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-optional_true-unreach-call_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-10 15:17:15,340 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-10 15:17:15,341 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-10 15:17:15,354 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-10 15:17:15,355 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-10 15:17:15,355 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-10 15:17:15,356 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-10 15:17:15,358 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-10 15:17:15,359 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-10 15:17:15,360 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-10 15:17:15,361 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-04-10 15:17:15,377 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 15:17:15,391 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-10 15:17:15,391 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-10 15:17:15,392 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-10 15:17:15,392 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-10 15:17:15,393 INFO L133 SettingsManager]: * Use SBE=true [2018-04-10 15:17:15,393 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-10 15:17:15,393 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-10 15:17:15,393 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-10 15:17:15,393 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-10 15:17:15,393 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-10 15:17:15,393 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-10 15:17:15,393 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-10 15:17:15,393 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-10 15:17:15,394 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-10 15:17:15,394 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-10 15:17:15,394 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-10 15:17:15,394 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-10 15:17:15,394 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-10 15:17:15,394 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-10 15:17:15,394 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-10 15:17:15,394 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-10 15:17:15,394 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-04-10 15:17:15,421 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-10 15:17:15,428 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-10 15:17:15,431 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-10 15:17:15,432 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-10 15:17:15,432 INFO L276 PluginConnector]: CDTParser initialized [2018-04-10 15:17:15,433 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,793 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG75c3c5fef [2018-04-10 15:17:15,950 INFO L287 CDTParser]: IsIndexed: true [2018-04-10 15:17:15,950 INFO L288 CDTParser]: Found 1 translation units. [2018-04-10 15:17:15,950 INFO L168 CDTParser]: Scanning dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,957 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-10 15:17:15,957 INFO L215 ultiparseSymbolTable]: [2018-04-10 15:17:15,957 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-10 15:17:15,957 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,957 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-10 15:17:15,958 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i____ino_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,958 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i____u_quad_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,958 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i____pid_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,958 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i____syscall_slong_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,958 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__pthread_barrier_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,958 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__u_long in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,958 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i____ino64_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,958 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i____gid_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,958 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__int64_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,959 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__suseconds_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,959 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i____fsid_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,959 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i____off_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,959 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i____sigset_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,959 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i____quad_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,959 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__fd_mask in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,959 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__pthread_rwlockattr_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,959 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i____uint8_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,959 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i____key_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,959 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__ushort in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,959 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__SLL in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,959 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__clockid_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,959 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__clock_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,959 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i____daddr_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,959 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i____uint16_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,959 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__fsid_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,959 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__daddr_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,959 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i____fd_mask in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,959 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__u_int32_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,960 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i____clock_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,960 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__pthread_condattr_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,960 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__u_int8_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,960 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i____loff_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,960 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__pthread_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,960 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i____uid_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,960 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i____sig_atomic_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,960 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i____uint64_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,960 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i____fsblkcnt_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,960 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i____blksize_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,960 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i____qaddr_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,960 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__nlink_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,960 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i____fsword_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,961 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i____int64_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,961 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__loff_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,961 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__uint in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,961 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__u_quad_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,961 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__ssize_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,961 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__time_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,961 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i____u_int in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,961 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__dev_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,961 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i____useconds_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,961 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__id_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,961 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i____fsfilcnt64_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,962 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__pthread_barrierattr_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,962 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__register_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,962 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__sigset_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,962 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__pthread_rwlock_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,962 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__pthread_key_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,962 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i____blkcnt_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,962 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i____timer_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,962 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i____time_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,962 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i____fsfilcnt_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,962 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__key_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,962 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i____u_short in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,962 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__pthread_mutexattr_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,962 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i____mode_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,962 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__idtype_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,962 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i____rlim_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,962 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__int32_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,963 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__caddr_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,963 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__ino_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,963 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__u_int64_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,963 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__fsfilcnt_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,963 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__pthread_mutex_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,963 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__pid_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,963 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__int8_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,963 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__ldiv_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,963 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__gid_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,963 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__fsblkcnt_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,963 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i____suseconds_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,963 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i____pthread_slist_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,963 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i____blkcnt64_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,963 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i____nlink_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,963 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__mode_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,964 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i____rlim64_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,964 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__u_int in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,964 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i____id_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,964 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i____ssize_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,964 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__timer_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,964 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i____int8_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,964 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i____int32_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,964 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i____syscall_ulong_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,964 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__pthread_attr_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,964 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i____off64_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,964 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i____caddr_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,964 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i____dev_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,965 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__blksize_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,965 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__int16_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,965 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__wchar_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,965 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i____fsblkcnt64_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,965 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__fd_set in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,965 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i____u_char in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,965 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__ulong in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,965 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i____int16_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,965 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__u_short in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,965 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__off_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,965 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__div_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,966 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i____u_long in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,966 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i____clockid_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,966 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__pthread_spinlock_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,966 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__uid_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,966 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__lldiv_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,966 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i____socklen_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,966 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__blkcnt_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,966 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__quad_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,966 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i____uint32_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,966 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__pthread_once_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,966 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__u_char in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,966 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__u_int16_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,967 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i____intptr_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,967 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__pthread_cond_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,967 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_optional_true_unreach_call_true_valid_memsafety_i__size_t in dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:15,981 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG75c3c5fef [2018-04-10 15:17:15,984 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-10 15:17:15,985 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-10 15:17:15,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-10 15:17:15,986 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-10 15:17:15,989 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-10 15:17:15,990 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.04 03:17:15" (1/1) ... [2018-04-10 15:17:15,992 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@430cde96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:17:15, skipping insertion in model container [2018-04-10 15:17:15,992 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.04 03:17:15" (1/1) ... [2018-04-10 15:17:16,004 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-10 15:17:16,031 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-10 15:17:16,163 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-10 15:17:16,203 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-10 15:17:16,209 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 115 non ball SCCs. Number of states in SCCs 115. [2018-04-10 15:17:16,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:17:16 WrapperNode [2018-04-10 15:17:16,247 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-10 15:17:16,247 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-10 15:17:16,247 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-10 15:17:16,247 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-10 15:17:16,256 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:17:16" (1/1) ... [2018-04-10 15:17:16,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:17:16" (1/1) ... [2018-04-10 15:17:16,268 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:17:16" (1/1) ... [2018-04-10 15:17:16,268 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:17:16" (1/1) ... [2018-04-10 15:17:16,278 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:17:16" (1/1) ... [2018-04-10 15:17:16,284 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:17:16" (1/1) ... [2018-04-10 15:17:16,286 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:17:16" (1/1) ... [2018-04-10 15:17:16,290 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-10 15:17:16,290 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-10 15:17:16,291 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-10 15:17:16,291 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-10 15:17:16,291 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:17:16" (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 15:17:16,384 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-10 15:17:16,384 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-10 15:17:16,384 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-10 15:17:16,384 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-10 15:17:16,384 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-10 15:17:16,384 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-10 15:17:16,384 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-10 15:17:16,384 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-10 15:17:16,384 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-10 15:17:16,384 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-10 15:17:16,384 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-10 15:17:16,385 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-10 15:17:16,385 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-10 15:17:16,385 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-10 15:17:16,385 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-10 15:17:16,385 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-10 15:17:16,385 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-10 15:17:16,385 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-10 15:17:16,385 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-10 15:17:16,385 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-10 15:17:16,385 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-10 15:17:16,385 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-10 15:17:16,385 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-10 15:17:16,386 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-10 15:17:16,386 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-10 15:17:16,386 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-10 15:17:16,386 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-10 15:17:16,386 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-10 15:17:16,386 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-10 15:17:16,386 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-10 15:17:16,386 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-10 15:17:16,387 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-10 15:17:16,387 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-10 15:17:16,387 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-10 15:17:16,387 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-10 15:17:16,387 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-10 15:17:16,387 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-10 15:17:16,387 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-10 15:17:16,387 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-10 15:17:16,387 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-10 15:17:16,388 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-10 15:17:16,388 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-10 15:17:16,388 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-10 15:17:16,388 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-10 15:17:16,388 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-10 15:17:16,388 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-10 15:17:16,388 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-10 15:17:16,388 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-10 15:17:16,388 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-10 15:17:16,389 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-10 15:17:16,389 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-10 15:17:16,389 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-10 15:17:16,389 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-10 15:17:16,389 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-10 15:17:16,389 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-10 15:17:16,389 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-10 15:17:16,389 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-10 15:17:16,389 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-10 15:17:16,389 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-10 15:17:16,390 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-10 15:17:16,390 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-10 15:17:16,390 INFO L128 BoogieDeclarations]: Found specification of procedure aligned_alloc [2018-04-10 15:17:16,390 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-10 15:17:16,390 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-10 15:17:16,390 INFO L128 BoogieDeclarations]: Found specification of procedure at_quick_exit [2018-04-10 15:17:16,390 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-10 15:17:16,390 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-10 15:17:16,390 INFO L128 BoogieDeclarations]: Found specification of procedure quick_exit [2018-04-10 15:17:16,391 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-10 15:17:16,391 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-10 15:17:16,391 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-10 15:17:16,391 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-10 15:17:16,391 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-10 15:17:16,391 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-10 15:17:16,391 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-10 15:17:16,391 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-10 15:17:16,391 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-10 15:17:16,391 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-10 15:17:16,392 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-10 15:17:16,392 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-10 15:17:16,392 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-10 15:17:16,392 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-10 15:17:16,392 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-10 15:17:16,392 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-10 15:17:16,392 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-10 15:17:16,392 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-10 15:17:16,392 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-10 15:17:16,392 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-10 15:17:16,392 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-10 15:17:16,393 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-10 15:17:16,393 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-10 15:17:16,393 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-10 15:17:16,393 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-10 15:17:16,393 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-10 15:17:16,393 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-10 15:17:16,393 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-10 15:17:16,393 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-10 15:17:16,393 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-10 15:17:16,393 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-10 15:17:16,394 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-10 15:17:16,394 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-10 15:17:16,394 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-10 15:17:16,394 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-10 15:17:16,394 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-10 15:17:16,394 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-10 15:17:16,394 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-10 15:17:16,394 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-10 15:17:16,394 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-10 15:17:16,395 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-10 15:17:16,395 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-10 15:17:16,395 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-10 15:17:16,395 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-10 15:17:16,395 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-10 15:17:16,395 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-10 15:17:16,395 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-10 15:17:16,395 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-10 15:17:16,395 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-10 15:17:16,396 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-10 15:17:16,832 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-10 15:17:16,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.04 03:17:16 BoogieIcfgContainer [2018-04-10 15:17:16,833 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-10 15:17:16,833 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-10 15:17:16,833 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-10 15:17:16,835 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-10 15:17:16,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.04 03:17:15" (1/3) ... [2018-04-10 15:17:16,836 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@135b2f6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.04 03:17:16, skipping insertion in model container [2018-04-10 15:17:16,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:17:16" (2/3) ... [2018-04-10 15:17:16,836 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@135b2f6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.04 03:17:16, skipping insertion in model container [2018-04-10 15:17:16,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.04 03:17:16" (3/3) ... [2018-04-10 15:17:16,838 INFO L107 eAbstractionObserver]: Analyzing ICFG dll-optional_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:17:16,845 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-04-10 15:17:16,850 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 69 error locations. [2018-04-10 15:17:16,873 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-10 15:17:16,874 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-10 15:17:16,874 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-10 15:17:16,874 INFO L371 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-04-10 15:17:16,874 INFO L372 AbstractCegarLoop]: Backedges is CANONICAL [2018-04-10 15:17:16,874 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-10 15:17:16,874 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-10 15:17:16,874 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-10 15:17:16,874 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-10 15:17:16,875 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-10 15:17:16,886 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states. [2018-04-10 15:17:16,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-04-10 15:17:16,892 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:17:16,893 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:17:16,893 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:17:16,896 INFO L82 PathProgramCache]: Analyzing trace with hash 1857371026, now seen corresponding path program 1 times [2018-04-10 15:17:16,932 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:17:16,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:17:16,959 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:17:17,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:17:17,001 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:17:17,002 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-10 15:17:17,002 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:17:17,003 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 15:17:17,003 INFO L182 omatonBuilderFactory]: Interpolants [161#true, 162#false, 163#(= 1 (select |#valid| |main_#t~malloc0.base|)), 164#(= 1 (select |#valid| main_~head~0.base))] [2018-04-10 15:17:17,003 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 15:17:17,004 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-10 15:17:17,012 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-10 15:17:17,012 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-10 15:17:17,014 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 4 states. [2018-04-10 15:17:17,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:17:17,215 INFO L93 Difference]: Finished difference Result 177 states and 189 transitions. [2018-04-10 15:17:17,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-10 15:17:17,223 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-04-10 15:17:17,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:17:17,234 INFO L225 Difference]: With dead ends: 177 [2018-04-10 15:17:17,234 INFO L226 Difference]: Without dead ends: 173 [2018-04-10 15:17:17,236 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 15:17:17,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2018-04-10 15:17:17,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 147. [2018-04-10 15:17:17,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-04-10 15:17:17,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 158 transitions. [2018-04-10 15:17:17,274 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 158 transitions. Word has length 8 [2018-04-10 15:17:17,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:17:17,274 INFO L459 AbstractCegarLoop]: Abstraction has 147 states and 158 transitions. [2018-04-10 15:17:17,274 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-10 15:17:17,274 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 158 transitions. [2018-04-10 15:17:17,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-04-10 15:17:17,275 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:17:17,275 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:17:17,275 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:17:17,275 INFO L82 PathProgramCache]: Analyzing trace with hash 1857371027, now seen corresponding path program 1 times [2018-04-10 15:17:17,277 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:17:17,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:17:17,291 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:17:17,331 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 15:17:17,331 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:17:17,331 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-10 15:17:17,331 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:17:17,331 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 15:17:17,332 INFO L182 omatonBuilderFactory]: Interpolants [491#true, 492#false, 493#(and (= 16 (select |#length| |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 494#(and (= 16 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0))] [2018-04-10 15:17:17,332 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 15:17:17,333 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-10 15:17:17,333 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-10 15:17:17,333 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-10 15:17:17,334 INFO L87 Difference]: Start difference. First operand 147 states and 158 transitions. Second operand 4 states. [2018-04-10 15:17:17,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:17:17,460 INFO L93 Difference]: Finished difference Result 143 states and 154 transitions. [2018-04-10 15:17:17,460 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-10 15:17:17,460 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-04-10 15:17:17,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:17:17,461 INFO L225 Difference]: With dead ends: 143 [2018-04-10 15:17:17,461 INFO L226 Difference]: Without dead ends: 143 [2018-04-10 15:17:17,461 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 15:17:17,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-04-10 15:17:17,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 138. [2018-04-10 15:17:17,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-04-10 15:17:17,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 149 transitions. [2018-04-10 15:17:17,466 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 149 transitions. Word has length 8 [2018-04-10 15:17:17,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:17:17,466 INFO L459 AbstractCegarLoop]: Abstraction has 138 states and 149 transitions. [2018-04-10 15:17:17,466 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-10 15:17:17,466 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 149 transitions. [2018-04-10 15:17:17,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-04-10 15:17:17,467 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:17:17,467 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:17:17,467 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:17:17,467 INFO L82 PathProgramCache]: Analyzing trace with hash -1456476454, now seen corresponding path program 1 times [2018-04-10 15:17:17,468 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:17:17,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:17:17,480 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:17:17,513 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 15:17:17,514 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:17:17,514 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-10 15:17:17,514 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:17:17,514 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 15:17:17,514 INFO L182 omatonBuilderFactory]: Interpolants [778#true, 779#false, 780#(= 1 (select |#valid| |main_#t~malloc2.base|)), 781#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))), 782#(= 1 (select |#valid| |main_#t~mem3.base|))] [2018-04-10 15:17:17,514 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 15:17:17,514 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-10 15:17:17,514 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-10 15:17:17,514 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-10 15:17:17,515 INFO L87 Difference]: Start difference. First operand 138 states and 149 transitions. Second operand 5 states. [2018-04-10 15:17:17,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:17:17,825 INFO L93 Difference]: Finished difference Result 294 states and 318 transitions. [2018-04-10 15:17:17,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-10 15:17:17,825 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2018-04-10 15:17:17,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:17:17,827 INFO L225 Difference]: With dead ends: 294 [2018-04-10 15:17:17,827 INFO L226 Difference]: Without dead ends: 294 [2018-04-10 15:17:17,827 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 15:17:17,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2018-04-10 15:17:17,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 137. [2018-04-10 15:17:17,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-04-10 15:17:17,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 148 transitions. [2018-04-10 15:17:17,835 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 148 transitions. Word has length 16 [2018-04-10 15:17:17,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:17:17,836 INFO L459 AbstractCegarLoop]: Abstraction has 137 states and 148 transitions. [2018-04-10 15:17:17,836 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-10 15:17:17,836 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 148 transitions. [2018-04-10 15:17:17,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-04-10 15:17:17,836 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:17:17,837 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:17:17,837 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:17:17,837 INFO L82 PathProgramCache]: Analyzing trace with hash -1456476453, now seen corresponding path program 1 times [2018-04-10 15:17:17,838 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:17:17,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:17:17,852 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:17:17,891 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 15:17:17,892 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:17:17,892 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-10 15:17:17,892 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:17:17,892 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 15:17:17,892 INFO L182 omatonBuilderFactory]: Interpolants [1220#true, 1221#false, 1222#(and (= 0 |main_#t~malloc2.offset|) (= 16 (select |#length| |main_#t~malloc2.base|))), 1223#(and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8)))), 1224#(and (= |main_#t~mem3.offset| 0) (= 16 (select |#length| |main_#t~mem3.base|)))] [2018-04-10 15:17:17,892 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 15:17:17,893 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-10 15:17:17,893 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-10 15:17:17,893 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-10 15:17:17,893 INFO L87 Difference]: Start difference. First operand 137 states and 148 transitions. Second operand 5 states. [2018-04-10 15:17:18,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:17:18,093 INFO L93 Difference]: Finished difference Result 250 states and 270 transitions. [2018-04-10 15:17:18,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-10 15:17:18,093 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2018-04-10 15:17:18,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:17:18,094 INFO L225 Difference]: With dead ends: 250 [2018-04-10 15:17:18,094 INFO L226 Difference]: Without dead ends: 250 [2018-04-10 15:17:18,094 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 15:17:18,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2018-04-10 15:17:18,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 136. [2018-04-10 15:17:18,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-04-10 15:17:18,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 147 transitions. [2018-04-10 15:17:18,098 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 147 transitions. Word has length 16 [2018-04-10 15:17:18,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:17:18,098 INFO L459 AbstractCegarLoop]: Abstraction has 136 states and 147 transitions. [2018-04-10 15:17:18,098 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-10 15:17:18,098 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 147 transitions. [2018-04-10 15:17:18,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-10 15:17:18,099 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:17:18,099 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:17:18,099 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:17:18,099 INFO L82 PathProgramCache]: Analyzing trace with hash -1227125051, now seen corresponding path program 1 times [2018-04-10 15:17:18,100 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:17:18,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:17:18,109 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:17:18,143 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 15:17:18,143 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:17:18,143 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-10 15:17:18,143 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:17:18,144 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 15:17:18,144 INFO L182 omatonBuilderFactory]: Interpolants [1617#true, 1618#false, 1619#(= 1 (select |#valid| main_~head~0.base)), 1620#(= 1 (select |#valid| main_~x~0.base))] [2018-04-10 15:17:18,144 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 15:17:18,144 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-10 15:17:18,144 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-10 15:17:18,144 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-10 15:17:18,144 INFO L87 Difference]: Start difference. First operand 136 states and 147 transitions. Second operand 4 states. [2018-04-10 15:17:18,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:17:18,245 INFO L93 Difference]: Finished difference Result 140 states and 151 transitions. [2018-04-10 15:17:18,245 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-10 15:17:18,245 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-04-10 15:17:18,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:17:18,246 INFO L225 Difference]: With dead ends: 140 [2018-04-10 15:17:18,246 INFO L226 Difference]: Without dead ends: 140 [2018-04-10 15:17:18,247 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 15:17:18,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-04-10 15:17:18,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 131. [2018-04-10 15:17:18,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-04-10 15:17:18,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 147 transitions. [2018-04-10 15:17:18,251 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 147 transitions. Word has length 20 [2018-04-10 15:17:18,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:17:18,251 INFO L459 AbstractCegarLoop]: Abstraction has 131 states and 147 transitions. [2018-04-10 15:17:18,251 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-10 15:17:18,251 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 147 transitions. [2018-04-10 15:17:18,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-10 15:17:18,252 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:17:18,252 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:17:18,254 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:17:18,254 INFO L82 PathProgramCache]: Analyzing trace with hash -1227125050, now seen corresponding path program 1 times [2018-04-10 15:17:18,255 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:17:18,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:17:18,264 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:17:18,318 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 15:17:18,319 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:17:18,319 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-10 15:17:18,319 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:17:18,319 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 15:17:18,319 INFO L182 omatonBuilderFactory]: Interpolants [1894#true, 1895#false, 1896#(and (= 16 (select |#length| |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 1897#(and (= 0 main_~head~0.offset) (= 16 (select |#length| main_~head~0.base))), 1898#(and (= main_~x~0.offset 0) (= 16 (select |#length| main_~x~0.base)))] [2018-04-10 15:17:18,320 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 15:17:18,320 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-10 15:17:18,320 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-10 15:17:18,320 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-10 15:17:18,320 INFO L87 Difference]: Start difference. First operand 131 states and 147 transitions. Second operand 5 states. [2018-04-10 15:17:18,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:17:18,459 INFO L93 Difference]: Finished difference Result 186 states and 203 transitions. [2018-04-10 15:17:18,459 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-10 15:17:18,459 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2018-04-10 15:17:18,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:17:18,460 INFO L225 Difference]: With dead ends: 186 [2018-04-10 15:17:18,461 INFO L226 Difference]: Without dead ends: 186 [2018-04-10 15:17:18,461 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 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 15:17:18,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2018-04-10 15:17:18,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 164. [2018-04-10 15:17:18,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2018-04-10 15:17:18,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 188 transitions. [2018-04-10 15:17:18,466 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 188 transitions. Word has length 20 [2018-04-10 15:17:18,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:17:18,466 INFO L459 AbstractCegarLoop]: Abstraction has 164 states and 188 transitions. [2018-04-10 15:17:18,466 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-10 15:17:18,466 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 188 transitions. [2018-04-10 15:17:18,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-10 15:17:18,467 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:17:18,467 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:17:18,467 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:17:18,467 INFO L82 PathProgramCache]: Analyzing trace with hash 1848833480, now seen corresponding path program 1 times [2018-04-10 15:17:18,468 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:17:18,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:17:18,478 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:17:18,509 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 15:17:18,509 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:17:18,509 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-10 15:17:18,510 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:17:18,510 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 15:17:18,510 INFO L182 omatonBuilderFactory]: Interpolants [2256#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 2257#(= 1 (select |#valid| |main_#t~mem7.base|)), 2253#true, 2254#false, 2255#(= 1 (select |#valid| |main_#t~malloc6.base|))] [2018-04-10 15:17:18,510 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 15:17:18,511 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-10 15:17:18,511 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-10 15:17:18,511 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-10 15:17:18,511 INFO L87 Difference]: Start difference. First operand 164 states and 188 transitions. Second operand 5 states. [2018-04-10 15:17:18,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:17:18,643 INFO L93 Difference]: Finished difference Result 232 states and 266 transitions. [2018-04-10 15:17:18,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-10 15:17:18,643 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2018-04-10 15:17:18,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:17:18,644 INFO L225 Difference]: With dead ends: 232 [2018-04-10 15:17:18,644 INFO L226 Difference]: Without dead ends: 232 [2018-04-10 15:17:18,644 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 15:17:18,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2018-04-10 15:17:18,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 163. [2018-04-10 15:17:18,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2018-04-10 15:17:18,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 186 transitions. [2018-04-10 15:17:18,647 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 186 transitions. Word has length 22 [2018-04-10 15:17:18,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:17:18,647 INFO L459 AbstractCegarLoop]: Abstraction has 163 states and 186 transitions. [2018-04-10 15:17:18,647 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-10 15:17:18,647 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 186 transitions. [2018-04-10 15:17:18,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-10 15:17:18,648 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:17:18,648 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 15:17:18,648 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:17:18,648 INFO L82 PathProgramCache]: Analyzing trace with hash 1848833481, now seen corresponding path program 1 times [2018-04-10 15:17:18,649 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:17:18,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:17:18,654 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:17:18,693 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 15:17:18,694 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:17:18,694 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-10 15:17:18,694 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:17:18,694 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 15:17:18,694 INFO L182 omatonBuilderFactory]: Interpolants [2657#true, 2658#false, 2659#(and (= 0 |main_#t~malloc6.offset|) (= 16 (select |#length| |main_#t~malloc6.base|))), 2660#(and (= 16 (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))), 2661#(and (= 16 (select |#length| |main_#t~mem7.base|)) (= |main_#t~mem7.offset| 0))] [2018-04-10 15:17:18,695 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 15:17:18,695 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-10 15:17:18,695 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-10 15:17:18,695 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-10 15:17:18,695 INFO L87 Difference]: Start difference. First operand 163 states and 186 transitions. Second operand 5 states. [2018-04-10 15:17:18,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:17:18,889 INFO L93 Difference]: Finished difference Result 254 states and 292 transitions. [2018-04-10 15:17:18,890 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-10 15:17:18,891 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2018-04-10 15:17:18,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:17:18,892 INFO L225 Difference]: With dead ends: 254 [2018-04-10 15:17:18,892 INFO L226 Difference]: Without dead ends: 254 [2018-04-10 15:17:18,892 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 15:17:18,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2018-04-10 15:17:18,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 162. [2018-04-10 15:17:18,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2018-04-10 15:17:18,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 184 transitions. [2018-04-10 15:17:18,896 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 184 transitions. Word has length 22 [2018-04-10 15:17:18,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:17:18,896 INFO L459 AbstractCegarLoop]: Abstraction has 162 states and 184 transitions. [2018-04-10 15:17:18,896 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-10 15:17:18,896 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 184 transitions. [2018-04-10 15:17:18,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-04-10 15:17:18,897 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:17:18,897 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] [2018-04-10 15:17:18,897 INFO L408 AbstractCegarLoop]: === Iteration 9 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:17:18,897 INFO L82 PathProgramCache]: Analyzing trace with hash -1751147858, now seen corresponding path program 1 times [2018-04-10 15:17:18,898 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:17:18,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:17:18,909 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:17:18,933 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 15:17:18,934 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:17:18,934 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-10 15:17:18,934 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:17:18,934 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 15:17:18,934 INFO L182 omatonBuilderFactory]: Interpolants [3088#(not (= 0 main_~x~0.base)), 3084#true, 3085#false, 3086#(not (= 0 |main_#t~malloc0.base|)), 3087#(not (= 0 main_~head~0.base))] [2018-04-10 15:17:18,934 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 15:17:18,935 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-10 15:17:18,935 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-10 15:17:18,935 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-10 15:17:18,935 INFO L87 Difference]: Start difference. First operand 162 states and 184 transitions. Second operand 5 states. [2018-04-10 15:17:19,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:17:19,058 INFO L93 Difference]: Finished difference Result 177 states and 194 transitions. [2018-04-10 15:17:19,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-10 15:17:19,058 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2018-04-10 15:17:19,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:17:19,059 INFO L225 Difference]: With dead ends: 177 [2018-04-10 15:17:19,059 INFO L226 Difference]: Without dead ends: 177 [2018-04-10 15:17:19,060 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 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 15:17:19,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2018-04-10 15:17:19,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 162. [2018-04-10 15:17:19,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2018-04-10 15:17:19,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 182 transitions. [2018-04-10 15:17:19,062 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 182 transitions. Word has length 26 [2018-04-10 15:17:19,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:17:19,062 INFO L459 AbstractCegarLoop]: Abstraction has 162 states and 182 transitions. [2018-04-10 15:17:19,062 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-10 15:17:19,062 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 182 transitions. [2018-04-10 15:17:19,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-04-10 15:17:19,063 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:17:19,063 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] [2018-04-10 15:17:19,063 INFO L408 AbstractCegarLoop]: === Iteration 10 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:17:19,063 INFO L82 PathProgramCache]: Analyzing trace with hash -1933205494, now seen corresponding path program 1 times [2018-04-10 15:17:19,064 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:17:19,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:17:19,075 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:17:19,151 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 15:17:19,151 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:17:19,151 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-10 15:17:19,151 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:17:19,151 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 15:17:19,152 INFO L182 omatonBuilderFactory]: Interpolants [3440#(= 1 (select |#valid| |main_#t~mem8.base|)), 3432#true, 3433#false, 3434#(= 1 (select |#valid| main_~head~0.base)), 3435#(= (select |#valid| main_~x~0.base) 1), 3436#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (= 1 (select |#valid| |main_#t~malloc6.base|))), 3437#(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)))), 3438#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem7.base|))), 3439#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))] [2018-04-10 15:17:19,152 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 15:17:19,152 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-10 15:17:19,152 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-10 15:17:19,152 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-04-10 15:17:19,152 INFO L87 Difference]: Start difference. First operand 162 states and 182 transitions. Second operand 9 states. [2018-04-10 15:17:19,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:17:19,495 INFO L93 Difference]: Finished difference Result 163 states and 182 transitions. [2018-04-10 15:17:19,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-10 15:17:19,495 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 26 [2018-04-10 15:17:19,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:17:19,496 INFO L225 Difference]: With dead ends: 163 [2018-04-10 15:17:19,496 INFO L226 Difference]: Without dead ends: 163 [2018-04-10 15:17:19,497 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 2 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 15:17:19,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2018-04-10 15:17:19,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 161. [2018-04-10 15:17:19,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2018-04-10 15:17:19,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 181 transitions. [2018-04-10 15:17:19,500 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 181 transitions. Word has length 26 [2018-04-10 15:17:19,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:17:19,501 INFO L459 AbstractCegarLoop]: Abstraction has 161 states and 181 transitions. [2018-04-10 15:17:19,501 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-10 15:17:19,501 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 181 transitions. [2018-04-10 15:17:19,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-04-10 15:17:19,502 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:17:19,502 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] [2018-04-10 15:17:19,502 INFO L408 AbstractCegarLoop]: === Iteration 11 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:17:19,502 INFO L82 PathProgramCache]: Analyzing trace with hash -1933205493, now seen corresponding path program 1 times [2018-04-10 15:17:19,503 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:17:19,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:17:19,513 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:17:19,603 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 15:17:19,603 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:17:19,603 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-04-10 15:17:19,604 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:17:19,611 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 15:17:19,611 INFO L182 omatonBuilderFactory]: Interpolants [3776#false, 3777#(= 1 (select |#valid| main_~head~0.base)), 3778#(= (select |#valid| main_~x~0.base) 1), 3779#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (= 0 |main_#t~malloc6.offset|) (= 16 (select |#length| |main_#t~malloc6.base|))), 3780#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 16 (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))), 3781#(and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 3782#(and (= 16 (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))), 3783#(and (= 0 |main_#t~mem8.offset|) (= 16 (select |#length| |main_#t~mem8.base|))), 3784#(and (= main_~x~0.offset 0) (= 16 (select |#length| main_~x~0.base))), 3775#true] [2018-04-10 15:17:19,612 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 15:17:19,612 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-10 15:17:19,612 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-10 15:17:19,612 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-04-10 15:17:19,612 INFO L87 Difference]: Start difference. First operand 161 states and 181 transitions. Second operand 10 states. [2018-04-10 15:17:20,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:17:20,032 INFO L93 Difference]: Finished difference Result 154 states and 173 transitions. [2018-04-10 15:17:20,032 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-10 15:17:20,032 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 26 [2018-04-10 15:17:20,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:17:20,033 INFO L225 Difference]: With dead ends: 154 [2018-04-10 15:17:20,033 INFO L226 Difference]: Without dead ends: 154 [2018-04-10 15:17:20,033 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 15:17:20,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2018-04-10 15:17:20,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 141. [2018-04-10 15:17:20,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-04-10 15:17:20,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 160 transitions. [2018-04-10 15:17:20,037 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 160 transitions. Word has length 26 [2018-04-10 15:17:20,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:17:20,037 INFO L459 AbstractCegarLoop]: Abstraction has 141 states and 160 transitions. [2018-04-10 15:17:20,037 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-10 15:17:20,037 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 160 transitions. [2018-04-10 15:17:20,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-04-10 15:17:20,038 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:17:20,038 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] [2018-04-10 15:17:20,038 INFO L408 AbstractCegarLoop]: === Iteration 12 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:17:20,038 INFO L82 PathProgramCache]: Analyzing trace with hash 1353466829, now seen corresponding path program 1 times [2018-04-10 15:17:20,039 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:17:20,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:17:20,046 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:17:20,057 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 15:17:20,057 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:17:20,057 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-10 15:17:20,057 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:17:20,057 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 15:17:20,057 INFO L182 omatonBuilderFactory]: Interpolants [4102#true, 4103#false, 4104#(not |main_#t~short15|), 4105#(not |main_#t~short18|)] [2018-04-10 15:17:20,057 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 15:17:20,058 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-10 15:17:20,058 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-10 15:17:20,058 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-10 15:17:20,058 INFO L87 Difference]: Start difference. First operand 141 states and 160 transitions. Second operand 4 states. [2018-04-10 15:17:20,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:17:20,069 INFO L93 Difference]: Finished difference Result 167 states and 190 transitions. [2018-04-10 15:17:20,069 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-10 15:17:20,069 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2018-04-10 15:17:20,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:17:20,070 INFO L225 Difference]: With dead ends: 167 [2018-04-10 15:17:20,070 INFO L226 Difference]: Without dead ends: 167 [2018-04-10 15:17:20,070 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 15:17:20,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2018-04-10 15:17:20,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 145. [2018-04-10 15:17:20,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-04-10 15:17:20,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 164 transitions. [2018-04-10 15:17:20,073 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 164 transitions. Word has length 29 [2018-04-10 15:17:20,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:17:20,073 INFO L459 AbstractCegarLoop]: Abstraction has 145 states and 164 transitions. [2018-04-10 15:17:20,073 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-10 15:17:20,073 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 164 transitions. [2018-04-10 15:17:20,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-04-10 15:17:20,074 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:17:20,074 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] [2018-04-10 15:17:20,074 INFO L408 AbstractCegarLoop]: === Iteration 13 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:17:20,074 INFO L82 PathProgramCache]: Analyzing trace with hash -1930510614, now seen corresponding path program 1 times [2018-04-10 15:17:20,075 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:17:20,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:17:20,083 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:17:20,216 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 15:17:20,216 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:17:20,217 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-04-10 15:17:20,217 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:17:20,217 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 15:17:20,217 INFO L182 omatonBuilderFactory]: Interpolants [4420#true, 4421#false, 4422#(= 0 |main_#t~malloc0.offset|), 4423#(= main_~head~0.offset 0), 4424#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 4425#(and (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 4426#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))) (= 0 main_~x~0.offset)), 4427#(and (= 1 (select |#valid| main_~x~0.base)) (= |main_#t~mem14.base| main_~x~0.base) (= main_~x~0.offset 0) (= |main_#t~mem14.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))), 4428#(and (= main_~x~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))))), 4429#(= 1 (select |#valid| |main_#t~mem16.base|))] [2018-04-10 15:17:20,217 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 15:17:20,218 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-10 15:17:20,218 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-10 15:17:20,218 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-04-10 15:17:20,218 INFO L87 Difference]: Start difference. First operand 145 states and 164 transitions. Second operand 10 states. [2018-04-10 15:17:20,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:17:20,470 INFO L93 Difference]: Finished difference Result 257 states and 290 transitions. [2018-04-10 15:17:20,470 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-10 15:17:20,471 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 31 [2018-04-10 15:17:20,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:17:20,471 INFO L225 Difference]: With dead ends: 257 [2018-04-10 15:17:20,471 INFO L226 Difference]: Without dead ends: 257 [2018-04-10 15:17:20,472 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2018-04-10 15:17:20,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2018-04-10 15:17:20,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 162. [2018-04-10 15:17:20,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2018-04-10 15:17:20,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 185 transitions. [2018-04-10 15:17:20,474 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 185 transitions. Word has length 31 [2018-04-10 15:17:20,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:17:20,474 INFO L459 AbstractCegarLoop]: Abstraction has 162 states and 185 transitions. [2018-04-10 15:17:20,474 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-10 15:17:20,474 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 185 transitions. [2018-04-10 15:17:20,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-04-10 15:17:20,475 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:17:20,475 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] [2018-04-10 15:17:20,475 INFO L408 AbstractCegarLoop]: === Iteration 14 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:17:20,476 INFO L82 PathProgramCache]: Analyzing trace with hash -1930510613, now seen corresponding path program 1 times [2018-04-10 15:17:20,477 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:17:20,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:17:20,485 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:17:20,620 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 15:17:20,620 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:17:20,620 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-04-10 15:17:20,620 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:17:20,621 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 15:17:20,621 INFO L182 omatonBuilderFactory]: Interpolants [4867#true, 4868#false, 4869#(= 0 |main_#t~malloc0.offset|), 4870#(= main_~head~0.offset 0), 4871#(and (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0)), 4872#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))) (= 0 main_~x~0.offset)), 4873#(and (= |main_#t~mem14.base| main_~x~0.base) (= main_~x~0.offset 0) (= |main_#t~mem14.offset| main_~x~0.offset)), 4874#(and (not |main_#t~short15|) (= main_~x~0.offset 0)), 4875#(and (= main_~x~0.offset 0) (not |main_#t~short18|))] [2018-04-10 15:17:20,621 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 15:17:20,621 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-10 15:17:20,621 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-10 15:17:20,621 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-04-10 15:17:20,622 INFO L87 Difference]: Start difference. First operand 162 states and 185 transitions. Second operand 9 states. [2018-04-10 15:17:20,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:17:20,979 INFO L93 Difference]: Finished difference Result 238 states and 266 transitions. [2018-04-10 15:17:20,979 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-10 15:17:20,979 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 31 [2018-04-10 15:17:20,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:17:20,980 INFO L225 Difference]: With dead ends: 238 [2018-04-10 15:17:20,980 INFO L226 Difference]: Without dead ends: 238 [2018-04-10 15:17:20,980 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=107, Invalid=199, Unknown=0, NotChecked=0, Total=306 [2018-04-10 15:17:20,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2018-04-10 15:17:20,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 158. [2018-04-10 15:17:20,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2018-04-10 15:17:20,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 179 transitions. [2018-04-10 15:17:20,984 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 179 transitions. Word has length 31 [2018-04-10 15:17:20,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:17:20,984 INFO L459 AbstractCegarLoop]: Abstraction has 158 states and 179 transitions. [2018-04-10 15:17:20,984 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-10 15:17:20,984 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 179 transitions. [2018-04-10 15:17:20,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-04-10 15:17:20,985 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:17:20,985 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:17:20,985 INFO L408 AbstractCegarLoop]: === Iteration 15 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:17:20,985 INFO L82 PathProgramCache]: Analyzing trace with hash -1952774965, now seen corresponding path program 1 times [2018-04-10 15:17:20,987 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:17:20,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:17:20,996 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:17:21,020 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 15:17:21,021 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:17:21,021 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-10 15:17:21,021 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:17:21,021 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 15:17:21,021 INFO L182 omatonBuilderFactory]: Interpolants [5290#true, 5291#false, 5292#(= 1 (select |#valid| |main_#t~malloc10.base|)), 5293#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))), 5294#(= 1 (select |#valid| |main_#t~mem11.base|))] [2018-04-10 15:17:21,021 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 15:17:21,022 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-10 15:17:21,022 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-10 15:17:21,022 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-10 15:17:21,022 INFO L87 Difference]: Start difference. First operand 158 states and 179 transitions. Second operand 5 states. [2018-04-10 15:17:21,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:17:21,172 INFO L93 Difference]: Finished difference Result 269 states and 305 transitions. [2018-04-10 15:17:21,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-10 15:17:21,172 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2018-04-10 15:17:21,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:17:21,173 INFO L225 Difference]: With dead ends: 269 [2018-04-10 15:17:21,173 INFO L226 Difference]: Without dead ends: 269 [2018-04-10 15:17:21,173 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 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 15:17:21,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2018-04-10 15:17:21,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 157. [2018-04-10 15:17:21,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2018-04-10 15:17:21,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 178 transitions. [2018-04-10 15:17:21,179 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 178 transitions. Word has length 33 [2018-04-10 15:17:21,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:17:21,179 INFO L459 AbstractCegarLoop]: Abstraction has 157 states and 178 transitions. [2018-04-10 15:17:21,179 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-10 15:17:21,179 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 178 transitions. [2018-04-10 15:17:21,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-04-10 15:17:21,180 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:17:21,180 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] [2018-04-10 15:17:21,180 INFO L408 AbstractCegarLoop]: === Iteration 16 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:17:21,180 INFO L82 PathProgramCache]: Analyzing trace with hash -1952774964, now seen corresponding path program 1 times [2018-04-10 15:17:21,181 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:17:21,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:17:21,191 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:17:21,231 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 15:17:21,231 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:17:21,231 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-10 15:17:21,231 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:17:21,231 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 15:17:21,231 INFO L182 omatonBuilderFactory]: Interpolants [5728#true, 5729#false, 5730#(and (= 16 (select |#length| |main_#t~malloc10.base|)) (= 0 |main_#t~malloc10.offset|)), 5731#(and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8)))), 5732#(and (= |main_#t~mem11.offset| 0) (= 16 (select |#length| |main_#t~mem11.base|)))] [2018-04-10 15:17:21,232 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 15:17:21,232 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-10 15:17:21,232 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-10 15:17:21,232 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-10 15:17:21,232 INFO L87 Difference]: Start difference. First operand 157 states and 178 transitions. Second operand 5 states. [2018-04-10 15:17:21,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:17:21,408 INFO L93 Difference]: Finished difference Result 272 states and 310 transitions. [2018-04-10 15:17:21,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-10 15:17:21,409 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2018-04-10 15:17:21,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:17:21,409 INFO L225 Difference]: With dead ends: 272 [2018-04-10 15:17:21,410 INFO L226 Difference]: Without dead ends: 272 [2018-04-10 15:17:21,410 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 15:17:21,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2018-04-10 15:17:21,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 156. [2018-04-10 15:17:21,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2018-04-10 15:17:21,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 177 transitions. [2018-04-10 15:17:21,414 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 177 transitions. Word has length 33 [2018-04-10 15:17:21,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:17:21,414 INFO L459 AbstractCegarLoop]: Abstraction has 156 states and 177 transitions. [2018-04-10 15:17:21,414 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-10 15:17:21,414 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 177 transitions. [2018-04-10 15:17:21,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-04-10 15:17:21,414 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:17:21,415 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] [2018-04-10 15:17:21,415 INFO L408 AbstractCegarLoop]: === Iteration 17 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:17:21,415 INFO L82 PathProgramCache]: Analyzing trace with hash -1611197246, now seen corresponding path program 1 times [2018-04-10 15:17:21,416 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:17:21,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:17:21,428 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:17:21,508 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 15:17:21,509 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:17:21,509 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-10 15:17:21,509 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:17:21,509 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 15:17:21,509 INFO L182 omatonBuilderFactory]: Interpolants [6167#true, 6168#false, 6169#(= 1 (select |#valid| main_~head~0.base)), 6170#(and (= 1 (select |#valid| |main_#t~malloc2.base|)) (not (= main_~head~0.base |main_#t~malloc2.base|))), 6171#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 6172#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 6173#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))), 6174#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))), 6175#(= 1 (select |#valid| |main_#t~mem16.base|))] [2018-04-10 15:17:21,510 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 15:17:21,510 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-10 15:17:21,510 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-10 15:17:21,510 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-04-10 15:17:21,510 INFO L87 Difference]: Start difference. First operand 156 states and 177 transitions. Second operand 9 states. [2018-04-10 15:17:21,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:17:21,999 INFO L93 Difference]: Finished difference Result 423 states and 478 transitions. [2018-04-10 15:17:21,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-04-10 15:17:22,000 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 34 [2018-04-10 15:17:22,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:17:22,001 INFO L225 Difference]: With dead ends: 423 [2018-04-10 15:17:22,001 INFO L226 Difference]: Without dead ends: 423 [2018-04-10 15:17:22,001 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=131, Invalid=375, Unknown=0, NotChecked=0, Total=506 [2018-04-10 15:17:22,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2018-04-10 15:17:22,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 172. [2018-04-10 15:17:22,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2018-04-10 15:17:22,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 197 transitions. [2018-04-10 15:17:22,006 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 197 transitions. Word has length 34 [2018-04-10 15:17:22,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:17:22,006 INFO L459 AbstractCegarLoop]: Abstraction has 172 states and 197 transitions. [2018-04-10 15:17:22,006 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-10 15:17:22,006 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 197 transitions. [2018-04-10 15:17:22,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-04-10 15:17:22,006 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:17:22,007 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] [2018-04-10 15:17:22,007 INFO L408 AbstractCegarLoop]: === Iteration 18 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:17:22,007 INFO L82 PathProgramCache]: Analyzing trace with hash -1611197245, now seen corresponding path program 1 times [2018-04-10 15:17:22,008 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:17:22,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:17:22,018 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:17:22,203 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 15:17:22,203 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:17:22,203 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-04-10 15:17:22,203 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:17:22,203 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 15:17:22,204 INFO L182 omatonBuilderFactory]: Interpolants [6800#false, 6801#(= |main_#t~malloc0.offset| 0), 6802#(= main_~head~0.offset 0), 6803#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 6804#(and (= main_~head~0.offset |main_#t~malloc2.offset|) (= 16 (select |#length| |main_#t~malloc2.base|)) (= main_~head~0.offset 0) (not (= main_~head~0.base |main_#t~malloc2.base|))), 6805#(and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= main_~head~0.offset 0)), 6806#(and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~head~0.base |main_#t~mem3.base|)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= main_~head~0.offset 0)), 6807#(and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= main_~head~0.offset 0)), 6808#(and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8))) (= 0 main_~x~0.offset)), 6809#(and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= |main_#t~mem14.offset| main_~x~0.offset) (= |main_#t~mem14.offset| (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8))) (= 0 main_~x~0.offset)), 6810#(and (= 16 (select |#length| |main_#t~mem16.base|)) (= |main_#t~mem16.offset| 0)), 6799#true] [2018-04-10 15:17:22,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:17:22,204 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-10 15:17:22,204 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-10 15:17:22,204 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2018-04-10 15:17:22,204 INFO L87 Difference]: Start difference. First operand 172 states and 197 transitions. Second operand 12 states. [2018-04-10 15:17:22,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:17:22,769 INFO L93 Difference]: Finished difference Result 335 states and 379 transitions. [2018-04-10 15:17:22,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-10 15:17:22,770 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 34 [2018-04-10 15:17:22,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:17:22,771 INFO L225 Difference]: With dead ends: 335 [2018-04-10 15:17:22,771 INFO L226 Difference]: Without dead ends: 335 [2018-04-10 15:17:22,771 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=152, Invalid=354, Unknown=0, NotChecked=0, Total=506 [2018-04-10 15:17:22,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2018-04-10 15:17:22,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 172. [2018-04-10 15:17:22,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2018-04-10 15:17:22,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 196 transitions. [2018-04-10 15:17:22,775 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 196 transitions. Word has length 34 [2018-04-10 15:17:22,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:17:22,775 INFO L459 AbstractCegarLoop]: Abstraction has 172 states and 196 transitions. [2018-04-10 15:17:22,775 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-10 15:17:22,776 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 196 transitions. [2018-04-10 15:17:22,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-04-10 15:17:22,776 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:17:22,776 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] [2018-04-10 15:17:22,776 INFO L408 AbstractCegarLoop]: === Iteration 19 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:17:22,776 INFO L82 PathProgramCache]: Analyzing trace with hash 152582500, now seen corresponding path program 1 times [2018-04-10 15:17:22,777 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:17:22,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:17:22,784 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:17:22,803 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:17:22,804 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:17:22,804 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-10 15:17:22,804 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:17:22,804 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 15:17:22,804 INFO L182 omatonBuilderFactory]: Interpolants [7344#(not |main_#t~short20|), 7340#true, 7341#false, 7342#(not |main_#t~short15|), 7343#(not |main_#t~short18|)] [2018-04-10 15:17:22,804 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:17:22,805 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-10 15:17:22,805 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-10 15:17:22,805 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-10 15:17:22,805 INFO L87 Difference]: Start difference. First operand 172 states and 196 transitions. Second operand 5 states. [2018-04-10 15:17:22,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:17:22,834 INFO L93 Difference]: Finished difference Result 196 states and 220 transitions. [2018-04-10 15:17:22,835 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-10 15:17:22,835 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2018-04-10 15:17:22,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:17:22,836 INFO L225 Difference]: With dead ends: 196 [2018-04-10 15:17:22,836 INFO L226 Difference]: Without dead ends: 196 [2018-04-10 15:17:22,836 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 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 15:17:22,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2018-04-10 15:17:22,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 176. [2018-04-10 15:17:22,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2018-04-10 15:17:22,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 200 transitions. [2018-04-10 15:17:22,839 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 200 transitions. Word has length 37 [2018-04-10 15:17:22,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:17:22,839 INFO L459 AbstractCegarLoop]: Abstraction has 176 states and 200 transitions. [2018-04-10 15:17:22,839 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-10 15:17:22,839 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 200 transitions. [2018-04-10 15:17:22,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-04-10 15:17:22,840 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:17:22,840 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] [2018-04-10 15:17:22,840 INFO L408 AbstractCegarLoop]: === Iteration 20 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:17:22,840 INFO L82 PathProgramCache]: Analyzing trace with hash 1914757033, now seen corresponding path program 1 times [2018-04-10 15:17:22,841 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:17:22,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:17:22,847 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:17:22,911 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:17:22,912 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:17:22,912 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-04-10 15:17:22,912 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:17:22,912 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 15:17:22,913 INFO L182 omatonBuilderFactory]: Interpolants [7728#(and (= 0 main_~x~0.base) (= 0 main_~x~0.offset)), 7723#true, 7724#false, 7725#(and (= 0 (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))), 7726#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 7727#(and (= 0 |main_#t~mem21.offset|) (= 0 |main_#t~mem21.base|))] [2018-04-10 15:17:22,913 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:17:22,913 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-10 15:17:22,913 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-10 15:17:22,913 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-10 15:17:22,913 INFO L87 Difference]: Start difference. First operand 176 states and 200 transitions. Second operand 6 states. [2018-04-10 15:17:23,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:17:23,084 INFO L93 Difference]: Finished difference Result 218 states and 244 transitions. [2018-04-10 15:17:23,084 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-10 15:17:23,084 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39 [2018-04-10 15:17:23,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:17:23,085 INFO L225 Difference]: With dead ends: 218 [2018-04-10 15:17:23,085 INFO L226 Difference]: Without dead ends: 218 [2018-04-10 15:17:23,085 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-04-10 15:17:23,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2018-04-10 15:17:23,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 191. [2018-04-10 15:17:23,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2018-04-10 15:17:23,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 216 transitions. [2018-04-10 15:17:23,088 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 216 transitions. Word has length 39 [2018-04-10 15:17:23,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:17:23,089 INFO L459 AbstractCegarLoop]: Abstraction has 191 states and 216 transitions. [2018-04-10 15:17:23,089 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-10 15:17:23,089 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 216 transitions. [2018-04-10 15:17:23,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-04-10 15:17:23,089 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:17:23,090 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] [2018-04-10 15:17:23,090 INFO L408 AbstractCegarLoop]: === Iteration 21 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:17:23,090 INFO L82 PathProgramCache]: Analyzing trace with hash 820020174, now seen corresponding path program 1 times [2018-04-10 15:17:23,091 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:17:23,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:17:23,098 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:17:23,173 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-10 15:17:23,174 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:17:23,174 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-10 15:17:23,174 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:17:23,174 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 15:17:23,174 INFO L182 omatonBuilderFactory]: Interpolants [8144#true, 8145#false, 8146#(= 0 |main_#t~malloc0.offset|), 8147#(= main_~head~0.offset 0), 8148#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0)), 8149#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ 0 8))) (= 0 main_~x~0.offset)), 8150#(= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))), 8151#(= 0 |main_#t~mem24.offset|)] [2018-04-10 15:17:23,175 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-10 15:17:23,175 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-10 15:17:23,175 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-10 15:17:23,175 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-04-10 15:17:23,175 INFO L87 Difference]: Start difference. First operand 191 states and 216 transitions. Second operand 8 states. [2018-04-10 15:17:23,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:17:23,377 INFO L93 Difference]: Finished difference Result 311 states and 347 transitions. [2018-04-10 15:17:23,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-10 15:17:23,377 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 46 [2018-04-10 15:17:23,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:17:23,378 INFO L225 Difference]: With dead ends: 311 [2018-04-10 15:17:23,378 INFO L226 Difference]: Without dead ends: 311 [2018-04-10 15:17:23,378 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2018-04-10 15:17:23,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2018-04-10 15:17:23,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 280. [2018-04-10 15:17:23,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2018-04-10 15:17:23,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 326 transitions. [2018-04-10 15:17:23,381 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 326 transitions. Word has length 46 [2018-04-10 15:17:23,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:17:23,381 INFO L459 AbstractCegarLoop]: Abstraction has 280 states and 326 transitions. [2018-04-10 15:17:23,381 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-10 15:17:23,381 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 326 transitions. [2018-04-10 15:17:23,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-04-10 15:17:23,382 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:17:23,382 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] [2018-04-10 15:17:23,382 INFO L408 AbstractCegarLoop]: === Iteration 22 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:17:23,382 INFO L82 PathProgramCache]: Analyzing trace with hash -349178131, now seen corresponding path program 1 times [2018-04-10 15:17:23,382 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:17:23,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:17:23,388 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:17:23,549 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 15:17:23,549 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:17:23,549 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-04-10 15:17:23,549 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:17:23,549 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 15:17:23,550 INFO L182 omatonBuilderFactory]: Interpolants [8753#true, 8754#false, 8755#(= 0 |main_#t~malloc0.offset|), 8756#(= main_~head~0.offset 0), 8757#(and (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 0 main_~x~0.offset)), 8758#(and (= main_~head~0.offset main_~x~0.offset) (= |main_#t~mem13| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 8759#(and (or |main_#t~short15| (and (not (= 2 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12)))) (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.base main_~head~0.base))) (= main_~head~0.offset 0)), 8760#(and (not (= 2 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12)))) (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 8761#(and (not (= 2 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)))) (= main_~head~0.offset 0)), 8762#(and (not (= 2 (select (select |#memory_int| main_~x~0.base) (+ 0 12)))) (= 0 main_~x~0.offset)), 8763#(not (= 2 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)))), 8764#(not (= 2 |main_#t~mem23|))] [2018-04-10 15:17:23,550 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 15:17:23,550 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-10 15:17:23,550 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-10 15:17:23,550 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2018-04-10 15:17:23,550 INFO L87 Difference]: Start difference. First operand 280 states and 326 transitions. Second operand 12 states. [2018-04-10 15:17:23,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:17:23,922 INFO L93 Difference]: Finished difference Result 394 states and 445 transitions. [2018-04-10 15:17:23,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-10 15:17:23,925 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 47 [2018-04-10 15:17:23,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:17:23,926 INFO L225 Difference]: With dead ends: 394 [2018-04-10 15:17:23,926 INFO L226 Difference]: Without dead ends: 394 [2018-04-10 15:17:23,927 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=128, Invalid=334, Unknown=0, NotChecked=0, Total=462 [2018-04-10 15:17:23,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2018-04-10 15:17:23,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 274. [2018-04-10 15:17:23,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2018-04-10 15:17:23,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 319 transitions. [2018-04-10 15:17:23,932 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 319 transitions. Word has length 47 [2018-04-10 15:17:23,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:17:23,932 INFO L459 AbstractCegarLoop]: Abstraction has 274 states and 319 transitions. [2018-04-10 15:17:23,932 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-10 15:17:23,932 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 319 transitions. [2018-04-10 15:17:23,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-04-10 15:17:23,933 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:17:23,933 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] [2018-04-10 15:17:23,933 INFO L408 AbstractCegarLoop]: === Iteration 23 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:17:23,934 INFO L82 PathProgramCache]: Analyzing trace with hash -793059937, now seen corresponding path program 1 times [2018-04-10 15:17:23,934 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:17:23,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:17:23,950 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:17:24,151 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 15:17:24,151 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:17:24,151 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-04-10 15:17:24,151 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:17:24,152 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 15:17:24,152 INFO L182 omatonBuilderFactory]: Interpolants [9453#true, 9454#false, 9455#(= 1 (select |#valid| main_~head~0.base)), 9456#(and (= 1 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12))) (= (select |#valid| main_~head~0.base) 1)), 9457#(and (= 1 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12))) (= (select |#valid| main_~head~0.base) 1) (= (select |#valid| main_~x~0.base) 1)), 9458#(and (= 1 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12))) (not (= main_~x~0.base |main_#t~malloc6.base|)) (not (= main_~head~0.base |main_#t~malloc6.base|))), 9459#(and (= 1 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12))) (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)))), 9460#(and (= 1 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem7.base|))), 9461#(and (= 1 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 9462#(and (= 1 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12))) (not (= main_~head~0.base |main_#t~mem8.base|))), 9463#(and (= 1 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12))) (not (= main_~head~0.base main_~x~0.base))), 9464#(= 1 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12))), 9465#(= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12))), 9466#(= 1 |main_#t~mem13|), 9467#(not |main_#t~short15|)] [2018-04-10 15:17:24,152 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 15:17:24,152 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-10 15:17:24,152 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-10 15:17:24,152 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2018-04-10 15:17:24,153 INFO L87 Difference]: Start difference. First operand 274 states and 319 transitions. Second operand 15 states. [2018-04-10 15:17:24,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:17:24,904 INFO L93 Difference]: Finished difference Result 493 states and 553 transitions. [2018-04-10 15:17:24,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-04-10 15:17:24,904 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 47 [2018-04-10 15:17:24,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:17:24,905 INFO L225 Difference]: With dead ends: 493 [2018-04-10 15:17:24,905 INFO L226 Difference]: Without dead ends: 493 [2018-04-10 15:17:24,905 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=307, Invalid=953, Unknown=0, NotChecked=0, Total=1260 [2018-04-10 15:17:24,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2018-04-10 15:17:24,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 316. [2018-04-10 15:17:24,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2018-04-10 15:17:24,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 365 transitions. [2018-04-10 15:17:24,909 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 365 transitions. Word has length 47 [2018-04-10 15:17:24,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:17:24,909 INFO L459 AbstractCegarLoop]: Abstraction has 316 states and 365 transitions. [2018-04-10 15:17:24,909 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-10 15:17:24,909 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 365 transitions. [2018-04-10 15:17:24,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-04-10 15:17:24,910 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:17:24,910 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] [2018-04-10 15:17:24,910 INFO L408 AbstractCegarLoop]: === Iteration 24 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:17:24,910 INFO L82 PathProgramCache]: Analyzing trace with hash -1837580393, now seen corresponding path program 1 times [2018-04-10 15:17:24,911 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:17:24,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:17:24,918 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:17:25,088 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 15:17:25,088 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:17:25,089 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-04-10 15:17:25,089 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:17:25,089 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 15:17:25,089 INFO L182 omatonBuilderFactory]: Interpolants [10319#true, 10320#false, 10321#(= 1 (select |#valid| main_~head~0.base)), 10322#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12))) (= (select |#valid| main_~head~0.base) 1)), 10323#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12))) (= (select |#valid| main_~head~0.base) 1) (= (select |#valid| main_~x~0.base) 1)), 10324#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12))) (not (= main_~head~0.base |main_#t~malloc6.base|))), 10325#(and (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 12))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 10326#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem7.base|))), 10327#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 10328#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12))) (not (= main_~head~0.base |main_#t~mem8.base|))), 10329#(and (not (= main_~head~0.base main_~x~0.base)) (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)))), 10330#(= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12))), 10331#(= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12))), 10332#(= 0 |main_#t~mem13|), 10333#(not |main_#t~short15|)] [2018-04-10 15:17:25,089 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 15:17:25,090 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-10 15:17:25,090 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-10 15:17:25,090 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2018-04-10 15:17:25,090 INFO L87 Difference]: Start difference. First operand 316 states and 365 transitions. Second operand 15 states. [2018-04-10 15:17:25,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:17:25,895 INFO L93 Difference]: Finished difference Result 476 states and 530 transitions. [2018-04-10 15:17:25,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-04-10 15:17:25,896 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 47 [2018-04-10 15:17:25,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:17:25,897 INFO L225 Difference]: With dead ends: 476 [2018-04-10 15:17:25,897 INFO L226 Difference]: Without dead ends: 476 [2018-04-10 15:17:25,898 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=307, Invalid=953, Unknown=0, NotChecked=0, Total=1260 [2018-04-10 15:17:25,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2018-04-10 15:17:25,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 269. [2018-04-10 15:17:25,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2018-04-10 15:17:25,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 308 transitions. [2018-04-10 15:17:25,902 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 308 transitions. Word has length 47 [2018-04-10 15:17:25,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:17:25,903 INFO L459 AbstractCegarLoop]: Abstraction has 269 states and 308 transitions. [2018-04-10 15:17:25,903 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-10 15:17:25,903 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 308 transitions. [2018-04-10 15:17:25,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-04-10 15:17:25,903 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:17:25,903 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] [2018-04-10 15:17:25,904 INFO L408 AbstractCegarLoop]: === Iteration 25 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:17:25,904 INFO L82 PathProgramCache]: Analyzing trace with hash 1238139767, now seen corresponding path program 1 times [2018-04-10 15:17:25,905 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:17:25,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:17:25,922 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:17:26,242 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 15:17:26,242 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:17:26,242 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-04-10 15:17:26,242 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:17:26,242 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 15:17:26,243 INFO L182 omatonBuilderFactory]: Interpolants [11136#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))), 11137#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))), 11138#(= 1 (select |#valid| |main_#t~mem16.base|)), 11121#true, 11122#false, 11123#(= 0 |main_#t~malloc0.offset|), 11124#(= main_~head~0.offset 0), 11125#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 11126#(and (= (select |#valid| |main_#t~malloc2.base|) 1) (= main_~head~0.offset 0) (not (= main_~head~0.base |main_#t~malloc2.base|))), 11127#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 11128#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 11129#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 11130#(and (not (= main_~x~0.offset (+ main_~head~0.offset 8))) (= main_~head~0.base main_~x~0.base) (= (select |#valid| main_~head~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 11131#(and (not (= main_~x~0.offset (+ main_~head~0.offset 8))) (not (= main_~head~0.base |main_#t~malloc6.base|)) (= main_~x~0.base main_~head~0.base) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 11132#(and (not (= main_~x~0.offset (+ main_~head~0.offset 8))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base)), 11133#(and (not (= main_~x~0.offset (+ main_~head~0.offset 8))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 11134#(and (not (= main_~head~0.base |main_#t~mem8.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 11135#(and (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))))] [2018-04-10 15:17:26,243 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 15:17:26,243 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-10 15:17:26,243 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-10 15:17:26,243 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2018-04-10 15:17:26,244 INFO L87 Difference]: Start difference. First operand 269 states and 308 transitions. Second operand 18 states. [2018-04-10 15:17:27,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:17:27,280 INFO L93 Difference]: Finished difference Result 602 states and 679 transitions. [2018-04-10 15:17:27,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-04-10 15:17:27,280 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 50 [2018-04-10 15:17:27,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:17:27,281 INFO L225 Difference]: With dead ends: 602 [2018-04-10 15:17:27,281 INFO L226 Difference]: Without dead ends: 602 [2018-04-10 15:17:27,282 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 476 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=537, Invalid=1719, Unknown=0, NotChecked=0, Total=2256 [2018-04-10 15:17:27,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2018-04-10 15:17:27,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 300. [2018-04-10 15:17:27,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 300 states. [2018-04-10 15:17:27,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 345 transitions. [2018-04-10 15:17:27,287 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 345 transitions. Word has length 50 [2018-04-10 15:17:27,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:17:27,287 INFO L459 AbstractCegarLoop]: Abstraction has 300 states and 345 transitions. [2018-04-10 15:17:27,287 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-10 15:17:27,288 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 345 transitions. [2018-04-10 15:17:27,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-04-10 15:17:27,288 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:17:27,288 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] [2018-04-10 15:17:27,288 INFO L408 AbstractCegarLoop]: === Iteration 26 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:17:27,289 INFO L82 PathProgramCache]: Analyzing trace with hash 1238139768, now seen corresponding path program 1 times [2018-04-10 15:17:27,289 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:17:27,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:17:27,306 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:17:27,843 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 15:17:27,843 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:17:27,843 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-04-10 15:17:27,844 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:17:27,844 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 15:17:27,844 INFO L182 omatonBuilderFactory]: Interpolants [12101#true, 12102#false, 12103#(= 0 |main_#t~malloc0.offset|), 12104#(= main_~head~0.offset 0), 12105#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 12106#(and (= 0 |main_#t~malloc2.offset|) (= 16 (select |#length| |main_#t~malloc2.base|)) (= (select |#valid| |main_#t~malloc2.base|) 1) (= 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))), 12107#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) 1) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 12108#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) 1) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (not (= main_~head~0.base |main_#t~mem3.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 12109#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) 1) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 12110#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) 1) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= (select |#valid| main_~head~0.base) 1) (= main_~x~0.base main_~head~0.base)), 12111#(and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (not (= main_~head~0.base |main_#t~malloc6.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~x~0.base main_~head~0.base) (= |main_#t~malloc6.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~x~0.offset))), 12112#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~head~0.offset 8))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~x~0.base main_~head~0.base)), 12113#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~head~0.offset 8))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 12114#(and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~head~0.base |main_#t~mem8.base|))), 12115#(and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~x~0.base main_~head~0.base))), 12116#(and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8)))), 12117#(and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8)))), 12118#(and (= 16 (select |#length| |main_#t~mem16.base|)) (= |main_#t~mem16.offset| 0))] [2018-04-10 15:17:27,844 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 15:17:27,844 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-10 15:17:27,845 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-10 15:17:27,845 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2018-04-10 15:17:27,845 INFO L87 Difference]: Start difference. First operand 300 states and 345 transitions. Second operand 18 states. [2018-04-10 15:17:28,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:17:29,003 INFO L93 Difference]: Finished difference Result 545 states and 629 transitions. [2018-04-10 15:17:29,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-04-10 15:17:29,004 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 50 [2018-04-10 15:17:29,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:17:29,005 INFO L225 Difference]: With dead ends: 545 [2018-04-10 15:17:29,005 INFO L226 Difference]: Without dead ends: 545 [2018-04-10 15:17:29,005 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=262, Invalid=794, Unknown=0, NotChecked=0, Total=1056 [2018-04-10 15:17:29,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2018-04-10 15:17:29,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 300. [2018-04-10 15:17:29,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 300 states. [2018-04-10 15:17:29,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 344 transitions. [2018-04-10 15:17:29,010 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 344 transitions. Word has length 50 [2018-04-10 15:17:29,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:17:29,011 INFO L459 AbstractCegarLoop]: Abstraction has 300 states and 344 transitions. [2018-04-10 15:17:29,011 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-10 15:17:29,011 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 344 transitions. [2018-04-10 15:17:29,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-04-10 15:17:29,012 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:17:29,012 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] [2018-04-10 15:17:29,012 INFO L408 AbstractCegarLoop]: === Iteration 27 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:17:29,012 INFO L82 PathProgramCache]: Analyzing trace with hash 1600558393, now seen corresponding path program 1 times [2018-04-10 15:17:29,013 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:17:29,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:17:29,021 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:17:29,087 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:17:29,087 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:17:29,087 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-04-10 15:17:29,087 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:17:29,088 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 15:17:29,088 INFO L182 omatonBuilderFactory]: Interpolants [12994#true, 12995#false, 12996#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 12997#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem21.base|) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem21.offset|)), 12998#(and (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) main_~x~0.offset) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)), 12999#(and (= 0 (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))), 13000#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 13001#(and (= 0 |main_#t~mem22.base|) (= 0 |main_#t~mem22.offset|)), 13002#(and (= 0 main_~x~0.base) (= 0 main_~x~0.offset))] [2018-04-10 15:17:29,088 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:17:29,088 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-10 15:17:29,088 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-10 15:17:29,088 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-04-10 15:17:29,088 INFO L87 Difference]: Start difference. First operand 300 states and 344 transitions. Second operand 9 states. [2018-04-10 15:17:29,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:17:29,335 INFO L93 Difference]: Finished difference Result 401 states and 459 transitions. [2018-04-10 15:17:29,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-10 15:17:29,336 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 50 [2018-04-10 15:17:29,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:17:29,337 INFO L225 Difference]: With dead ends: 401 [2018-04-10 15:17:29,337 INFO L226 Difference]: Without dead ends: 401 [2018-04-10 15:17:29,337 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2018-04-10 15:17:29,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2018-04-10 15:17:29,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 332. [2018-04-10 15:17:29,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 332 states. [2018-04-10 15:17:29,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 382 transitions. [2018-04-10 15:17:29,339 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 382 transitions. Word has length 50 [2018-04-10 15:17:29,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:17:29,340 INFO L459 AbstractCegarLoop]: Abstraction has 332 states and 382 transitions. [2018-04-10 15:17:29,340 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-10 15:17:29,340 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 382 transitions. [2018-04-10 15:17:29,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-04-10 15:17:29,340 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:17:29,340 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, 1] [2018-04-10 15:17:29,340 INFO L408 AbstractCegarLoop]: === Iteration 28 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:17:29,340 INFO L82 PathProgramCache]: Analyzing trace with hash -970122375, now seen corresponding path program 1 times [2018-04-10 15:17:29,341 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:17:29,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:17:29,347 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:17:29,480 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:17:29,480 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:17:29,480 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-04-10 15:17:29,481 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:17:29,481 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 15:17:29,481 INFO L182 omatonBuilderFactory]: Interpolants [13747#true, 13748#false, 13749#(= 0 |main_#t~malloc0.offset|), 13750#(= main_~head~0.offset 0), 13751#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 13752#(and (= main_~head~0.offset 0) (not (= main_~head~0.base |main_#t~malloc2.base|))), 13753#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= main_~head~0.offset 0)), 13754#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= main_~head~0.offset 0)), 13755#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.base main_~head~0.base)), 13756#(and (= main_~head~0.offset main_~x~0.offset) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8))))), 13757#(and (= main_~head~0.offset main_~x~0.offset) (not (= main_~x~0.base |main_#t~mem19.base|))), 13758#(and (not |main_#t~short20|) (= main_~head~0.offset main_~x~0.offset))] [2018-04-10 15:17:29,481 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:17:29,481 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-10 15:17:29,481 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-10 15:17:29,481 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2018-04-10 15:17:29,481 INFO L87 Difference]: Start difference. First operand 332 states and 382 transitions. Second operand 12 states. [2018-04-10 15:17:29,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:17:29,822 INFO L93 Difference]: Finished difference Result 417 states and 470 transitions. [2018-04-10 15:17:29,823 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-10 15:17:29,823 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 51 [2018-04-10 15:17:29,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:17:29,823 INFO L225 Difference]: With dead ends: 417 [2018-04-10 15:17:29,823 INFO L226 Difference]: Without dead ends: 405 [2018-04-10 15:17:29,824 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2018-04-10 15:17:29,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2018-04-10 15:17:29,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 328. [2018-04-10 15:17:29,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2018-04-10 15:17:29,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 375 transitions. [2018-04-10 15:17:29,826 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 375 transitions. Word has length 51 [2018-04-10 15:17:29,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:17:29,826 INFO L459 AbstractCegarLoop]: Abstraction has 328 states and 375 transitions. [2018-04-10 15:17:29,826 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-10 15:17:29,826 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 375 transitions. [2018-04-10 15:17:29,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-04-10 15:17:29,827 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:17:29,827 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 15:17:29,827 INFO L408 AbstractCegarLoop]: === Iteration 29 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:17:29,827 INFO L82 PathProgramCache]: Analyzing trace with hash -1922298155, now seen corresponding path program 1 times [2018-04-10 15:17:29,828 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:17:29,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:17:29,835 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:17:29,908 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-10 15:17:29,908 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:17:29,908 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-04-10 15:17:29,908 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:17:29,909 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 15:17:29,909 INFO L182 omatonBuilderFactory]: Interpolants [14522#true, 14523#false, 14524#(= |#valid| |old(#valid)|), 14525#(= (store |#valid| |main_#t~malloc0.base| 0) |old(#valid)|), 14526#(= (store |#valid| main_~head~0.base 0) |old(#valid)|), 14527#(= (store |#valid| main_~x~0.base 0) |old(#valid)|)] [2018-04-10 15:17:29,909 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-10 15:17:29,909 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-10 15:17:29,909 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-10 15:17:29,910 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-10 15:17:29,910 INFO L87 Difference]: Start difference. First operand 328 states and 375 transitions. Second operand 6 states. [2018-04-10 15:17:30,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:17:30,039 INFO L93 Difference]: Finished difference Result 343 states and 389 transitions. [2018-04-10 15:17:30,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-10 15:17:30,040 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 51 [2018-04-10 15:17:30,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:17:30,040 INFO L225 Difference]: With dead ends: 343 [2018-04-10 15:17:30,040 INFO L226 Difference]: Without dead ends: 310 [2018-04-10 15:17:30,041 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2018-04-10 15:17:30,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2018-04-10 15:17:30,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 309. [2018-04-10 15:17:30,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2018-04-10 15:17:30,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 355 transitions. [2018-04-10 15:17:30,044 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 355 transitions. Word has length 51 [2018-04-10 15:17:30,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:17:30,045 INFO L459 AbstractCegarLoop]: Abstraction has 309 states and 355 transitions. [2018-04-10 15:17:30,045 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-10 15:17:30,045 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 355 transitions. [2018-04-10 15:17:30,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-04-10 15:17:30,045 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:17:30,046 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, 1, 1] [2018-04-10 15:17:30,046 INFO L408 AbstractCegarLoop]: === Iteration 30 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:17:30,046 INFO L82 PathProgramCache]: Analyzing trace with hash 257962024, now seen corresponding path program 1 times [2018-04-10 15:17:30,047 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:17:30,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:17:30,057 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:17:30,206 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 15:17:30,206 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:17:30,206 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-04-10 15:17:30,206 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:17:30,206 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 15:17:30,206 INFO L182 omatonBuilderFactory]: Interpolants [15186#true, 15187#false, 15188#(= 0 |main_#t~malloc0.offset|), 15189#(= main_~head~0.offset 0), 15190#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 15191#(and (= 0 |main_#t~malloc2.offset|) (= main_~head~0.offset 0) (not (= main_~head~0.base |main_#t~malloc2.base|))), 15192#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0)), 15193#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0)), 15194#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0)), 15195#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 15196#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ 0 8))) (= 0 main_~x~0.offset)), 15197#(= 0 |main_#t~mem24.offset|)] [2018-04-10 15:17:30,206 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 15:17:30,207 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-10 15:17:30,207 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-10 15:17:30,207 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2018-04-10 15:17:30,207 INFO L87 Difference]: Start difference. First operand 309 states and 355 transitions. Second operand 12 states. [2018-04-10 15:17:30,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:17:30,703 INFO L93 Difference]: Finished difference Result 634 states and 716 transitions. [2018-04-10 15:17:30,703 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-04-10 15:17:30,704 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 52 [2018-04-10 15:17:30,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:17:30,705 INFO L225 Difference]: With dead ends: 634 [2018-04-10 15:17:30,705 INFO L226 Difference]: Without dead ends: 634 [2018-04-10 15:17:30,705 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=246, Invalid=624, Unknown=0, NotChecked=0, Total=870 [2018-04-10 15:17:30,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2018-04-10 15:17:30,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 365. [2018-04-10 15:17:30,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 365 states. [2018-04-10 15:17:30,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 427 transitions. [2018-04-10 15:17:30,708 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 427 transitions. Word has length 52 [2018-04-10 15:17:30,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:17:30,709 INFO L459 AbstractCegarLoop]: Abstraction has 365 states and 427 transitions. [2018-04-10 15:17:30,709 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-10 15:17:30,709 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 427 transitions. [2018-04-10 15:17:30,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-04-10 15:17:30,709 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:17:30,709 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, 1, 1, 1] [2018-04-10 15:17:30,709 INFO L408 AbstractCegarLoop]: === Iteration 31 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:17:30,709 INFO L82 PathProgramCache]: Analyzing trace with hash -593111597, now seen corresponding path program 1 times [2018-04-10 15:17:30,710 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:17:30,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:17:30,716 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:17:30,876 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 15:17:30,876 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:17:30,876 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-04-10 15:17:30,876 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:17:30,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:17:30,876 INFO L182 omatonBuilderFactory]: Interpolants [16240#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= main_~head~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 16241#(and (= main_~head~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 16242#(and (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 16243#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ 0 8)))) (= 0 main_~x~0.offset)), 16244#(= 1 (select |#valid| |main_#t~mem24.base|)), 16233#true, 16234#false, 16235#(= 0 |main_#t~malloc0.offset|), 16236#(= main_~head~0.offset 0), 16237#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 16238#(and (= 1 (select |#valid| |main_#t~malloc2.base|)) (= main_~head~0.offset 0) (not (= main_~head~0.base |main_#t~malloc2.base|))), 16239#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= main_~head~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))))] [2018-04-10 15:17:30,876 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 15:17:30,877 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-10 15:17:30,877 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-10 15:17:30,877 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2018-04-10 15:17:30,877 INFO L87 Difference]: Start difference. First operand 365 states and 427 transitions. Second operand 12 states. [2018-04-10 15:17:31,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:17:31,377 INFO L93 Difference]: Finished difference Result 445 states and 512 transitions. [2018-04-10 15:17:31,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-10 15:17:31,377 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 53 [2018-04-10 15:17:31,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:17:31,378 INFO L225 Difference]: With dead ends: 445 [2018-04-10 15:17:31,379 INFO L226 Difference]: Without dead ends: 445 [2018-04-10 15:17:31,379 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=166, Invalid=386, Unknown=0, NotChecked=0, Total=552 [2018-04-10 15:17:31,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2018-04-10 15:17:31,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 375. [2018-04-10 15:17:31,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2018-04-10 15:17:31,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 438 transitions. [2018-04-10 15:17:31,382 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 438 transitions. Word has length 53 [2018-04-10 15:17:31,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:17:31,383 INFO L459 AbstractCegarLoop]: Abstraction has 375 states and 438 transitions. [2018-04-10 15:17:31,383 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-10 15:17:31,383 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 438 transitions. [2018-04-10 15:17:31,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-04-10 15:17:31,383 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:17:31,384 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] [2018-04-10 15:17:31,384 INFO L408 AbstractCegarLoop]: === Iteration 32 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:17:31,384 INFO L82 PathProgramCache]: Analyzing trace with hash -1457322319, now seen corresponding path program 1 times [2018-04-10 15:17:31,385 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:17:31,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:17:31,406 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:17:31,796 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 15:17:31,797 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:17:31,797 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-04-10 15:17:31,797 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:17:31,797 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 15:17:31,798 INFO L182 omatonBuilderFactory]: Interpolants [17089#true, 17090#false, 17091#(= 0 |main_#t~malloc0.offset|), 17092#(= main_~head~0.offset 0), 17093#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 17094#(and (= (select |#valid| |main_#t~malloc2.base|) 1) (= main_~head~0.offset 0) (not (= main_~head~0.base |main_#t~malloc2.base|))), 17095#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 17096#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 17097#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 17098#(and (not (= main_~x~0.offset (+ main_~head~0.offset 8))) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 17099#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (not (= main_~x~0.offset (+ main_~head~0.offset 8))) (= main_~x~0.base main_~head~0.base) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 17100#(and (not (= main_~x~0.offset (+ main_~head~0.offset 8))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 17101#(and (not (= main_~x~0.offset (+ main_~head~0.offset 8))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= (select |#valid| main_~x~0.base) 1)), 17102#(and (not (= main_~head~0.base |main_#t~mem8.base|)) (= (select |#valid| main_~head~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 17103#(and (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 17104#(and (not (= main_~head~0.base |main_#t~malloc10.base|)) (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 17105#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 17106#(and (not (= |main_#t~mem11.base| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 17107#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))), 17108#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))), 17109#(= 1 (select |#valid| |main_#t~mem16.base|))] [2018-04-10 15:17:31,798 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 15:17:31,798 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-10 15:17:31,798 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-10 15:17:31,798 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=356, Unknown=0, NotChecked=0, Total=420 [2018-04-10 15:17:31,799 INFO L87 Difference]: Start difference. First operand 375 states and 438 transitions. Second operand 21 states. [2018-04-10 15:17:33,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:17:33,126 INFO L93 Difference]: Finished difference Result 738 states and 846 transitions. [2018-04-10 15:17:33,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-04-10 15:17:33,126 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 53 [2018-04-10 15:17:33,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:17:33,128 INFO L225 Difference]: With dead ends: 738 [2018-04-10 15:17:33,128 INFO L226 Difference]: Without dead ends: 738 [2018-04-10 15:17:33,129 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 810 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=738, Invalid=2802, Unknown=0, NotChecked=0, Total=3540 [2018-04-10 15:17:33,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 738 states. [2018-04-10 15:17:33,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 738 to 397. [2018-04-10 15:17:33,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2018-04-10 15:17:33,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 464 transitions. [2018-04-10 15:17:33,132 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 464 transitions. Word has length 53 [2018-04-10 15:17:33,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:17:33,133 INFO L459 AbstractCegarLoop]: Abstraction has 397 states and 464 transitions. [2018-04-10 15:17:33,133 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-10 15:17:33,133 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 464 transitions. [2018-04-10 15:17:33,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-04-10 15:17:33,133 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:17:33,133 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] [2018-04-10 15:17:33,133 INFO L408 AbstractCegarLoop]: === Iteration 33 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:17:33,133 INFO L82 PathProgramCache]: Analyzing trace with hash -1457322318, now seen corresponding path program 1 times [2018-04-10 15:17:33,134 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:17:33,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:17:33,147 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:17:33,851 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 15:17:33,851 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:17:33,852 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-04-10 15:17:33,852 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:17:33,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:17:33,852 INFO L182 omatonBuilderFactory]: Interpolants [18336#(and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~head~0.base |main_#t~mem8.base|)) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 18337#(and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 18338#(and (not (= main_~head~0.base |main_#t~malloc10.base|)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 18339#(and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0)), 18340#(and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= main_~head~0.offset 0)), 18341#(and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0)), 18342#(and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8))) (= 0 main_~x~0.offset)), 18343#(and (= 16 (select |#length| |main_#t~mem16.base|)) (= |main_#t~mem16.offset| 0)), 18323#true, 18324#false, 18325#(= 0 |main_#t~malloc0.offset|), 18326#(= main_~head~0.offset 0), 18327#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 18328#(and (= 0 |main_#t~malloc2.offset|) (= 16 (select |#length| |main_#t~malloc2.base|)) (= (select |#valid| |main_#t~malloc2.base|) 1) (= main_~head~0.offset 0) (not (= main_~head~0.base |main_#t~malloc2.base|))), 18329#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) 1) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 18330#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) 1) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (not (= main_~head~0.base |main_#t~mem3.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 18331#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) 1) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 18332#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) 1) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~head~0.base main_~x~0.base) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 18333#(and (= 0 main_~head~0.offset) (not (= main_~head~0.base |main_#t~malloc6.base|)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~x~0.base main_~head~0.base)), 18334#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~head~0.offset 8))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 18335#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~head~0.offset 8))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1))] [2018-04-10 15:17:33,852 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 15:17:33,852 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-10 15:17:33,852 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-10 15:17:33,853 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=342, Unknown=0, NotChecked=0, Total=420 [2018-04-10 15:17:33,853 INFO L87 Difference]: Start difference. First operand 397 states and 464 transitions. Second operand 21 states. [2018-04-10 15:17:35,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:17:35,046 INFO L93 Difference]: Finished difference Result 612 states and 707 transitions. [2018-04-10 15:17:35,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-04-10 15:17:35,047 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 53 [2018-04-10 15:17:35,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:17:35,048 INFO L225 Difference]: With dead ends: 612 [2018-04-10 15:17:35,048 INFO L226 Difference]: Without dead ends: 612 [2018-04-10 15:17:35,049 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 264 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=385, Invalid=1175, Unknown=0, NotChecked=0, Total=1560 [2018-04-10 15:17:35,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2018-04-10 15:17:35,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 397. [2018-04-10 15:17:35,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2018-04-10 15:17:35,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 463 transitions. [2018-04-10 15:17:35,054 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 463 transitions. Word has length 53 [2018-04-10 15:17:35,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:17:35,054 INFO L459 AbstractCegarLoop]: Abstraction has 397 states and 463 transitions. [2018-04-10 15:17:35,054 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-10 15:17:35,054 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 463 transitions. [2018-04-10 15:17:35,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-04-10 15:17:35,055 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:17:35,055 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] [2018-04-10 15:17:35,055 INFO L408 AbstractCegarLoop]: === Iteration 34 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:17:35,055 INFO L82 PathProgramCache]: Analyzing trace with hash 55671134, now seen corresponding path program 1 times [2018-04-10 15:17:35,056 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:17:35,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:17:35,065 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:17:35,353 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 15:17:35,353 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:17:35,353 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-04-10 15:17:35,353 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:17:35,354 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 15:17:35,354 INFO L182 omatonBuilderFactory]: Interpolants [19392#false, 19393#(= |main_#t~malloc0.offset| 0), 19394#(= main_~head~0.offset 0), 19395#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 19396#(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)), 19397#(and (= main_~head~0.offset |main_#t~malloc6.offset|) (not (= main_~x~0.base |main_#t~malloc6.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 19398#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~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)), 19399#(and (= main_~head~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) (not (= main_~x~0.base |main_#t~mem7.base|))), 19400#(and (= main_~head~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)), 19401#(and (= main_~head~0.offset |main_#t~mem8.offset|) (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 19402#(or (and (= 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))) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))), 19403#(or (and (= 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 |#valid| main_~x~0.base) 1)) (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)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 19404#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (and (= 0 (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)))), 19405#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (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)))), 19406#(or (= 1 (select |#valid| |main_#t~mem21.base|)) (and (= 0 |main_#t~mem21.offset|) (= 0 |main_#t~mem21.base|))), 19407#(or (= 1 (select |#valid| main_~x~0.base)) (and (= 0 main_~x~0.base) (= 0 main_~x~0.offset))), 19408#(= 1 (select |#valid| main_~x~0.base)), 19391#true] [2018-04-10 15:17:35,354 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 15:17:35,354 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-10 15:17:35,354 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-10 15:17:35,354 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2018-04-10 15:17:35,354 INFO L87 Difference]: Start difference. First operand 397 states and 463 transitions. Second operand 18 states. [2018-04-10 15:17:36,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:17:36,108 INFO L93 Difference]: Finished difference Result 591 states and 682 transitions. [2018-04-10 15:17:36,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-04-10 15:17:36,108 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 55 [2018-04-10 15:17:36,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:17:36,109 INFO L225 Difference]: With dead ends: 591 [2018-04-10 15:17:36,109 INFO L226 Difference]: Without dead ends: 591 [2018-04-10 15:17:36,110 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 323 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=381, Invalid=1179, Unknown=0, NotChecked=0, Total=1560 [2018-04-10 15:17:36,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2018-04-10 15:17:36,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 459. [2018-04-10 15:17:36,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 459 states. [2018-04-10 15:17:36,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 534 transitions. [2018-04-10 15:17:36,113 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 534 transitions. Word has length 55 [2018-04-10 15:17:36,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:17:36,113 INFO L459 AbstractCegarLoop]: Abstraction has 459 states and 534 transitions. [2018-04-10 15:17:36,113 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-10 15:17:36,113 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 534 transitions. [2018-04-10 15:17:36,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-04-10 15:17:36,114 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:17:36,114 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] [2018-04-10 15:17:36,114 INFO L408 AbstractCegarLoop]: === Iteration 35 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:17:36,114 INFO L82 PathProgramCache]: Analyzing trace with hash 55671135, now seen corresponding path program 1 times [2018-04-10 15:17:36,115 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:17:36,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:17:36,121 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:17:36,305 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 15:17:36,305 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:17:36,305 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-04-10 15:17:36,305 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:17:36,305 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 15:17:36,305 INFO L182 omatonBuilderFactory]: Interpolants [20512#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 20513#(and (= 16 (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))), 20514#(and (= 16 (select |#length| |main_#t~mem21.base|)) (= 0 |main_#t~mem21.offset|)), 20515#(and (= 16 (select |#length| main_~x~0.base)) (= 0 main_~x~0.offset)), 20503#true, 20504#false, 20505#(= 1 (select |#valid| main_~head~0.base)), 20506#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 20507#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (= 0 |main_#t~malloc6.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 16 (select |#length| |main_#t~malloc6.base|))), 20508#(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) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)))), 20509#(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) (not (= main_~x~0.base |main_#t~mem7.base|)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)))), 20510#(and (not (= main_~head~0.base |main_#t~mem8.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 20511#(and (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))))] [2018-04-10 15:17:36,305 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 15:17:36,306 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-10 15:17:36,306 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-10 15:17:36,306 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2018-04-10 15:17:36,306 INFO L87 Difference]: Start difference. First operand 459 states and 534 transitions. Second operand 13 states. [2018-04-10 15:17:36,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:17:36,770 INFO L93 Difference]: Finished difference Result 614 states and 701 transitions. [2018-04-10 15:17:36,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-10 15:17:36,771 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 55 [2018-04-10 15:17:36,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:17:36,772 INFO L225 Difference]: With dead ends: 614 [2018-04-10 15:17:36,772 INFO L226 Difference]: Without dead ends: 614 [2018-04-10 15:17:36,772 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=359, Unknown=0, NotChecked=0, Total=462 [2018-04-10 15:17:36,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2018-04-10 15:17:36,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 523. [2018-04-10 15:17:36,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 523 states. [2018-04-10 15:17:36,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 609 transitions. [2018-04-10 15:17:36,777 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 609 transitions. Word has length 55 [2018-04-10 15:17:36,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:17:36,777 INFO L459 AbstractCegarLoop]: Abstraction has 523 states and 609 transitions. [2018-04-10 15:17:36,778 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-10 15:17:36,778 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 609 transitions. [2018-04-10 15:17:36,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-04-10 15:17:36,779 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:17:36,779 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 15:17:36,779 INFO L408 AbstractCegarLoop]: === Iteration 36 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:17:36,779 INFO L82 PathProgramCache]: Analyzing trace with hash 23857851, now seen corresponding path program 1 times [2018-04-10 15:17:36,780 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:17:36,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:17:36,788 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:17:36,863 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-10 15:17:36,863 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:17:36,863 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-10 15:17:36,864 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:17:36,864 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 15:17:36,864 INFO L182 omatonBuilderFactory]: Interpolants [21671#true, 21672#false, 21673#(= 0 |main_#t~malloc0.offset|), 21674#(= main_~head~0.offset 0), 21675#(and (= 2 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12))) (= main_~head~0.offset 0)), 21676#(and (= 2 (select (select |#memory_int| main_~x~0.base) (+ 0 12))) (= 0 main_~x~0.offset)), 21677#(and (= 2 |main_#t~mem23|) (= main_~head~0.offset 0))] [2018-04-10 15:17:36,864 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-10 15:17:36,865 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-10 15:17:36,865 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-10 15:17:36,865 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-04-10 15:17:36,865 INFO L87 Difference]: Start difference. First operand 523 states and 609 transitions. Second operand 7 states. [2018-04-10 15:17:37,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:17:37,000 INFO L93 Difference]: Finished difference Result 711 states and 823 transitions. [2018-04-10 15:17:37,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-10 15:17:37,000 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-04-10 15:17:37,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:17:37,002 INFO L225 Difference]: With dead ends: 711 [2018-04-10 15:17:37,002 INFO L226 Difference]: Without dead ends: 697 [2018-04-10 15:17:37,002 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2018-04-10 15:17:37,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 697 states. [2018-04-10 15:17:37,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 697 to 655. [2018-04-10 15:17:37,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 655 states. [2018-04-10 15:17:37,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 655 states and 772 transitions. [2018-04-10 15:17:37,007 INFO L78 Accepts]: Start accepts. Automaton has 655 states and 772 transitions. Word has length 57 [2018-04-10 15:17:37,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:17:37,007 INFO L459 AbstractCegarLoop]: Abstraction has 655 states and 772 transitions. [2018-04-10 15:17:37,007 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-10 15:17:37,007 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 772 transitions. [2018-04-10 15:17:37,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-04-10 15:17:37,007 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:17:37,008 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, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:17:37,008 INFO L408 AbstractCegarLoop]: === Iteration 37 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:17:37,008 INFO L82 PathProgramCache]: Analyzing trace with hash -943253546, now seen corresponding path program 1 times [2018-04-10 15:17:37,008 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:17:37,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:17:37,014 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:17:37,177 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 15:17:37,178 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:17:37,178 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-04-10 15:17:37,178 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:17:37,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:17:37,178 INFO L182 omatonBuilderFactory]: Interpolants [23056#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 23057#(and (= main_~head~0.offset 0) (not (= main_~head~0.base |main_#t~malloc2.base|))), 23058#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 23059#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 23060#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 23061#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ 0 8)))) (= 0 main_~x~0.offset)), 23062#(and (not (= |main_#t~mem24.base| main_~head~0.base)) (= 1 (select |#valid| main_~head~0.base))), 23063#(= 1 (select |#valid| main_~head~0.base)), 23052#true, 23053#false, 23054#(= 0 |main_#t~malloc0.offset|), 23055#(= main_~head~0.offset 0)] [2018-04-10 15:17:37,178 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 15:17:37,178 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-10 15:17:37,179 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-10 15:17:37,179 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2018-04-10 15:17:37,179 INFO L87 Difference]: Start difference. First operand 655 states and 772 transitions. Second operand 12 states. [2018-04-10 15:17:37,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:17:37,426 INFO L93 Difference]: Finished difference Result 753 states and 879 transitions. [2018-04-10 15:17:37,427 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-10 15:17:37,427 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 57 [2018-04-10 15:17:37,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:17:37,428 INFO L225 Difference]: With dead ends: 753 [2018-04-10 15:17:37,428 INFO L226 Difference]: Without dead ends: 753 [2018-04-10 15:17:37,429 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=135, Invalid=327, Unknown=0, NotChecked=0, Total=462 [2018-04-10 15:17:37,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 753 states. [2018-04-10 15:17:37,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 753 to 657. [2018-04-10 15:17:37,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 657 states. [2018-04-10 15:17:37,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 657 states and 774 transitions. [2018-04-10 15:17:37,433 INFO L78 Accepts]: Start accepts. Automaton has 657 states and 774 transitions. Word has length 57 [2018-04-10 15:17:37,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:17:37,433 INFO L459 AbstractCegarLoop]: Abstraction has 657 states and 774 transitions. [2018-04-10 15:17:37,433 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-10 15:17:37,433 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 774 transitions. [2018-04-10 15:17:37,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-04-10 15:17:37,434 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:17:37,434 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] [2018-04-10 15:17:37,434 INFO L408 AbstractCegarLoop]: === Iteration 38 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:17:37,435 INFO L82 PathProgramCache]: Analyzing trace with hash 1988603209, now seen corresponding path program 1 times [2018-04-10 15:17:37,435 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:17:37,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:17:37,443 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:17:37,670 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 15:17:37,671 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:17:37,671 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-04-10 15:17:37,671 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:17:37,671 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 15:17:37,671 INFO L182 omatonBuilderFactory]: Interpolants [24494#true, 24495#false, 24496#(= 1 (select |#valid| main_~head~0.base)), 24497#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 24498#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (= 0 |main_#t~malloc6.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 16 (select |#length| |main_#t~malloc6.base|))), 24499#(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)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 24500#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= (select |#valid| main_~x~0.base) 1)), 24501#(and (not (= main_~head~0.base |main_#t~mem8.base|)) (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (= 16 (select |#length| |main_#t~mem8.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 24502#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 16 (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))), 24503#(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~malloc10.base|)) (= 16 (select |#length| main_~x~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))), 24504#(and (= 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 8)))) (= 16 (select |#length| main_~x~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 24505#(and (not (= |main_#t~mem11.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 24506#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 24507#(and (= 16 (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))), 24508#(and (= 16 (select |#length| |main_#t~mem21.base|)) (= 0 |main_#t~mem21.offset|)), 24509#(and (= 16 (select |#length| main_~x~0.base)) (= 0 main_~x~0.offset))] [2018-04-10 15:17:37,671 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 15:17:37,671 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-10 15:17:37,671 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-10 15:17:37,672 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2018-04-10 15:17:37,672 INFO L87 Difference]: Start difference. First operand 657 states and 774 transitions. Second operand 16 states. [2018-04-10 15:17:38,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:17:38,328 INFO L93 Difference]: Finished difference Result 890 states and 1044 transitions. [2018-04-10 15:17:38,328 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-04-10 15:17:38,328 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 58 [2018-04-10 15:17:38,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:17:38,330 INFO L225 Difference]: With dead ends: 890 [2018-04-10 15:17:38,330 INFO L226 Difference]: Without dead ends: 890 [2018-04-10 15:17:38,330 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=167, Invalid=645, Unknown=0, NotChecked=0, Total=812 [2018-04-10 15:17:38,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 890 states. [2018-04-10 15:17:38,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 890 to 664. [2018-04-10 15:17:38,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 664 states. [2018-04-10 15:17:38,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 664 states and 786 transitions. [2018-04-10 15:17:38,335 INFO L78 Accepts]: Start accepts. Automaton has 664 states and 786 transitions. Word has length 58 [2018-04-10 15:17:38,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:17:38,335 INFO L459 AbstractCegarLoop]: Abstraction has 664 states and 786 transitions. [2018-04-10 15:17:38,335 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-10 15:17:38,335 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 786 transitions. [2018-04-10 15:17:38,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-04-10 15:17:38,336 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:17:38,336 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] [2018-04-10 15:17:38,336 INFO L408 AbstractCegarLoop]: === Iteration 39 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:17:38,336 INFO L82 PathProgramCache]: Analyzing trace with hash -1207598826, now seen corresponding path program 1 times [2018-04-10 15:17:38,336 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:17:38,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:17:38,342 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:17:38,628 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:17:38,628 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:17:38,628 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-04-10 15:17:38,628 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:17:38,629 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 15:17:38,629 INFO L182 omatonBuilderFactory]: Interpolants [26090#true, 26091#false, 26092#(= |#valid| |old(#valid)|), 26093#(and (= (store |#valid| |main_#t~malloc0.base| 0) |old(#valid)|) (= 0 |main_#t~malloc0.offset|)), 26094#(and (= (store |#valid| main_~head~0.base 0) |old(#valid)|) (= main_~head~0.offset 0)), 26095#(and (= 1 (select |#valid| main_~head~0.base)) (= (store |#valid| main_~head~0.base 0) |old(#valid)|) (= main_~head~0.offset 0)), 26096#(and (= (store (store |#valid| |main_#t~malloc2.base| 0) main_~head~0.base 0) |old(#valid)|) (= main_~head~0.offset 0) (not (= main_~head~0.base |main_#t~malloc2.base|))), 26097#(and (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)) 0) main_~head~0.base 0) |old(#valid)|) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= main_~head~0.offset 0)), 26098#(and (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)) 0) main_~head~0.base 0) |old(#valid)|) (not (= main_~head~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= main_~head~0.offset 0)), 26099#(and (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)) 0) main_~head~0.base 0) |old(#valid)|) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 26100#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ 0 8)))) (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) 8) 0) main_~x~0.base 0) |old(#valid)|) (= 0 main_~x~0.offset)), 26101#(and (= (store (store |#valid| |main_#t~mem24.base| 0) main_~head~0.base 0) |old(#valid)|) (not (= main_~head~0.base |main_#t~mem24.base|)) (= main_~head~0.offset 0)), 26102#(= (store |#valid| main_~head~0.base 0) |old(#valid)|)] [2018-04-10 15:17:38,629 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:17:38,629 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-10 15:17:38,629 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-10 15:17:38,629 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2018-04-10 15:17:38,630 INFO L87 Difference]: Start difference. First operand 664 states and 786 transitions. Second operand 13 states. [2018-04-10 15:17:39,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:17:39,094 INFO L93 Difference]: Finished difference Result 671 states and 792 transitions. [2018-04-10 15:17:39,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-10 15:17:39,094 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 62 [2018-04-10 15:17:39,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:17:39,096 INFO L225 Difference]: With dead ends: 671 [2018-04-10 15:17:39,096 INFO L226 Difference]: Without dead ends: 630 [2018-04-10 15:17:39,096 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=89, Invalid=373, Unknown=0, NotChecked=0, Total=462 [2018-04-10 15:17:39,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2018-04-10 15:17:39,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 630. [2018-04-10 15:17:39,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 630 states. [2018-04-10 15:17:39,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 751 transitions. [2018-04-10 15:17:39,103 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 751 transitions. Word has length 62 [2018-04-10 15:17:39,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:17:39,103 INFO L459 AbstractCegarLoop]: Abstraction has 630 states and 751 transitions. [2018-04-10 15:17:39,103 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-10 15:17:39,103 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 751 transitions. [2018-04-10 15:17:39,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-04-10 15:17:39,104 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:17:39,104 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:17:39,104 INFO L408 AbstractCegarLoop]: === Iteration 40 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:17:39,104 INFO L82 PathProgramCache]: Analyzing trace with hash -706981846, now seen corresponding path program 1 times [2018-04-10 15:17:39,105 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:17:39,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:17:39,114 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:17:39,485 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:17:39,485 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:17:39,485 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-04-10 15:17:39,485 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:17:39,485 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 15:17:39,486 INFO L182 omatonBuilderFactory]: Interpolants [27424#(= 0 |main_#t~malloc0.offset|), 27425#(= main_~head~0.offset 0), 27426#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 27427#(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)), 27428#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (= 0 |main_#t~malloc6.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 27429#(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) (= 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)), 27430#(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) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 27431#(and (not (= main_~head~0.base |main_#t~mem8.base|)) (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 |main_#t~mem8.offset|) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 27432#(and (= 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)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)), 27433#(and (= 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)) (= (select |#valid| main_~x~0.base) 1) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)), 27434#(and (= 1 (select |#valid| (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)) (= (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)) (+ main_~head~0.offset 8)))), 27435#(and (= (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 8))) (= 1 (select |#valid| (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))), 27436#(and (= 0 |main_#t~mem21.offset|) (= 1 (select |#valid| |main_#t~mem21.base|)) (= |main_#t~mem21.base| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) (+ 0 8)))), 27437#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))) (= 0 main_~x~0.offset)), 27438#(and (= 1 (select |#valid| main_~x~0.base)) (= |main_#t~mem14.base| main_~x~0.base) (= main_~x~0.offset 0) (= |main_#t~mem14.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))), 27439#(and (= main_~x~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))))), 27440#(= 1 (select |#valid| |main_#t~mem16.base|)), 27422#true, 27423#false] [2018-04-10 15:17:39,486 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:17:39,486 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-04-10 15:17:39,486 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-04-10 15:17:39,486 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2018-04-10 15:17:39,486 INFO L87 Difference]: Start difference. First operand 630 states and 751 transitions. Second operand 19 states. [2018-04-10 15:17:40,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:17:40,221 INFO L93 Difference]: Finished difference Result 825 states and 955 transitions. [2018-04-10 15:17:40,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-04-10 15:17:40,221 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 63 [2018-04-10 15:17:40,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:17:40,223 INFO L225 Difference]: With dead ends: 825 [2018-04-10 15:17:40,223 INFO L226 Difference]: Without dead ends: 825 [2018-04-10 15:17:40,223 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 277 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=292, Invalid=1268, Unknown=0, NotChecked=0, Total=1560 [2018-04-10 15:17:40,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 825 states. [2018-04-10 15:17:40,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 825 to 662. [2018-04-10 15:17:40,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 662 states. [2018-04-10 15:17:40,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 787 transitions. [2018-04-10 15:17:40,227 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 787 transitions. Word has length 63 [2018-04-10 15:17:40,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:17:40,227 INFO L459 AbstractCegarLoop]: Abstraction has 662 states and 787 transitions. [2018-04-10 15:17:40,227 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-04-10 15:17:40,227 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 787 transitions. [2018-04-10 15:17:40,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-04-10 15:17:40,228 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:17:40,228 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:17:40,228 INFO L408 AbstractCegarLoop]: === Iteration 41 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:17:40,228 INFO L82 PathProgramCache]: Analyzing trace with hash -706981845, now seen corresponding path program 1 times [2018-04-10 15:17:40,228 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:17:40,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:17:40,235 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:17:40,634 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:17:40,634 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:17:40,634 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-04-10 15:17:40,634 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:17:40,634 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 15:17:40,634 INFO L182 omatonBuilderFactory]: Interpolants [28970#true, 28971#false, 28972#(= 0 |main_#t~malloc0.offset|), 28973#(= main_~head~0.offset 0), 28974#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 28975#(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)), 28976#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= |main_#t~malloc6.offset| 0)), 28977#(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) (= 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)), 28978#(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) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0)), 28979#(and (not (= main_~head~0.base |main_#t~mem8.base|)) (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 |main_#t~mem8.offset|) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 28980#(and (= 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)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)), 28981#(and (= 0 (select (select |#memory_$Pointer$.offset| (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)) (= (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)) (+ main_~head~0.offset 8)))), 28982#(and (= (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 8))) (= 0 (select (select |#memory_$Pointer$.offset| (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))), 28983#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem21.base|) (+ 0 8))) (= |main_#t~mem21.base| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) (+ 0 8))) (= |main_#t~mem21.offset| 0)), 28984#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))) (= 0 main_~x~0.offset)), 28985#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8))) (= |main_#t~mem14.base| main_~x~0.base) (= main_~x~0.offset 0) (= |main_#t~mem14.offset| (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8)))), 28986#(not |main_#t~short15|), 28987#(not |main_#t~short18|)] [2018-04-10 15:17:40,635 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:17:40,635 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-10 15:17:40,635 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-10 15:17:40,635 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2018-04-10 15:17:40,635 INFO L87 Difference]: Start difference. First operand 662 states and 787 transitions. Second operand 18 states. [2018-04-10 15:17:41,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:17:41,686 INFO L93 Difference]: Finished difference Result 871 states and 1001 transitions. [2018-04-10 15:17:41,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-04-10 15:17:41,687 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 63 [2018-04-10 15:17:41,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:17:41,688 INFO L225 Difference]: With dead ends: 871 [2018-04-10 15:17:41,688 INFO L226 Difference]: Without dead ends: 871 [2018-04-10 15:17:41,689 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 505 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=471, Invalid=1979, Unknown=0, NotChecked=0, Total=2450 [2018-04-10 15:17:41,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2018-04-10 15:17:41,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 651. [2018-04-10 15:17:41,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 651 states. [2018-04-10 15:17:41,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 771 transitions. [2018-04-10 15:17:41,694 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 771 transitions. Word has length 63 [2018-04-10 15:17:41,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:17:41,694 INFO L459 AbstractCegarLoop]: Abstraction has 651 states and 771 transitions. [2018-04-10 15:17:41,694 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-10 15:17:41,694 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 771 transitions. [2018-04-10 15:17:41,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-04-10 15:17:41,695 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:17:41,695 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] [2018-04-10 15:17:41,695 INFO L408 AbstractCegarLoop]: === Iteration 42 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:17:41,695 INFO L82 PathProgramCache]: Analyzing trace with hash -1356863444, now seen corresponding path program 2 times [2018-04-10 15:17:41,696 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:17:41,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:17:41,708 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:17:42,270 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 15:17:42,270 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:17:42,270 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-04-10 15:17:42,270 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:17:42,270 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 15:17:42,271 INFO L182 omatonBuilderFactory]: Interpolants [30592#(and (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 8))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))) (not (= |main_#t~mem7.base| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem7.base|))), 30593#(and (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 8))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 30594#(and (or (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))) (not (= main_~head~0.base |main_#t~mem8.base|))), 30595#(and (or (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))) (not (= main_~x~0.base main_~head~0.base))), 30596#(and (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 30597#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))), 30598#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))), 30599#(= 1 (select |#valid| |main_#t~mem16.base|)), 30574#true, 30575#false, 30576#(= 0 |main_#t~malloc0.offset|), 30577#(= main_~head~0.offset 0), 30578#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 30579#(and (= (select |#valid| |main_#t~malloc2.base|) 1) (= main_~head~0.offset 0) (not (= main_~head~0.base |main_#t~malloc2.base|))), 30580#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 30581#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 30582#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 30583#(and (not (= main_~x~0.offset (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (= main_~x~0.base main_~head~0.base) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 30584#(and (not (= main_~x~0.offset (+ main_~head~0.offset 8))) (not (= main_~head~0.base |main_#t~malloc6.base|)) (= main_~x~0.base main_~head~0.base) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 30585#(and (not (= main_~x~0.offset (+ main_~head~0.offset 8))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 30586#(and (not (= main_~x~0.offset (+ main_~head~0.offset 8))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= (select |#valid| main_~x~0.base) 1)), 30587#(and (not (= main_~head~0.base |main_#t~mem8.base|)) (= (select |#valid| main_~head~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 30588#(and (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 30589#(and (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 30590#(and (or (= |main_#t~malloc6.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))) (not (= main_~x~0.base |main_#t~malloc6.base|)) (not (= main_~head~0.base |main_#t~malloc6.base|)) (not (= main_~x~0.base main_~head~0.base))), 30591#(and (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 8))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))) (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))))] [2018-04-10 15:17:42,271 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 15:17:42,271 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-04-10 15:17:42,271 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-04-10 15:17:42,271 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=563, Unknown=0, NotChecked=0, Total=650 [2018-04-10 15:17:42,271 INFO L87 Difference]: Start difference. First operand 651 states and 771 transitions. Second operand 26 states. [2018-04-10 15:17:43,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:17:43,729 INFO L93 Difference]: Finished difference Result 1060 states and 1230 transitions. [2018-04-10 15:17:43,730 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-04-10 15:17:43,730 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 66 [2018-04-10 15:17:43,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:17:43,732 INFO L225 Difference]: With dead ends: 1060 [2018-04-10 15:17:43,732 INFO L226 Difference]: Without dead ends: 1060 [2018-04-10 15:17:43,732 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 964 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=885, Invalid=3405, Unknown=0, NotChecked=0, Total=4290 [2018-04-10 15:17:43,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1060 states. [2018-04-10 15:17:43,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1060 to 682. [2018-04-10 15:17:43,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 682 states. [2018-04-10 15:17:43,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 808 transitions. [2018-04-10 15:17:43,737 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 808 transitions. Word has length 66 [2018-04-10 15:17:43,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:17:43,738 INFO L459 AbstractCegarLoop]: Abstraction has 682 states and 808 transitions. [2018-04-10 15:17:43,738 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-04-10 15:17:43,738 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 808 transitions. [2018-04-10 15:17:43,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-04-10 15:17:43,739 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:17:43,739 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] [2018-04-10 15:17:43,739 INFO L408 AbstractCegarLoop]: === Iteration 43 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:17:43,739 INFO L82 PathProgramCache]: Analyzing trace with hash -1356863443, now seen corresponding path program 2 times [2018-04-10 15:17:43,740 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:17:43,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:17:43,764 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:17:44,465 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 15:17:44,465 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:17:44,466 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-04-10 15:17:44,466 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:17:44,466 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 15:17:44,466 INFO L182 omatonBuilderFactory]: Interpolants [32422#true, 32423#false, 32424#(= 0 |main_#t~malloc0.offset|), 32425#(= main_~head~0.offset 0), 32426#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 32427#(and (= 0 |main_#t~malloc2.offset|) (= 16 (select |#length| |main_#t~malloc2.base|)) (= (select |#valid| |main_#t~malloc2.base|) 1) (= main_~head~0.offset 0) (not (= main_~head~0.base |main_#t~malloc2.base|))), 32428#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) 1) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 32429#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) 1) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (not (= main_~head~0.base |main_#t~mem3.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 32430#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) 1) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 32431#(and (not (= main_~x~0.offset (+ main_~head~0.offset 8))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) 1) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 32432#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (not (= main_~x~0.offset (+ main_~head~0.offset 8))) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~x~0.base main_~head~0.base)), 32433#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~head~0.offset 8))) (not (= main_~x~0.offset (+ main_~head~0.offset 8))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)))) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 32434#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~head~0.offset 8))) (not (= main_~x~0.offset (+ main_~head~0.offset 8))) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)))) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= (select |#valid| main_~x~0.base) 1)), 32435#(and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~head~0.base |main_#t~mem8.base|)) (= (select |#valid| main_~head~0.base) 1)), 32436#(and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 32437#(and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 32438#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (not (= main_~head~0.base |main_#t~malloc6.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~x~0.base main_~head~0.base))), 32439#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 32440#(and (not (= |main_#t~mem7.base| main_~head~0.base)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem7.base|))), 32441#(and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 32442#(and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~head~0.base |main_#t~mem8.base|))), 32443#(and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~x~0.base main_~head~0.base))), 32444#(and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8)))), 32445#(and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8)))), 32446#(and (= 16 (select |#length| |main_#t~mem16.base|)) (= |main_#t~mem16.offset| 0))] [2018-04-10 15:17:44,466 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 15:17:44,466 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-04-10 15:17:44,467 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-04-10 15:17:44,467 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=514, Unknown=0, NotChecked=0, Total=600 [2018-04-10 15:17:44,467 INFO L87 Difference]: Start difference. First operand 682 states and 808 transitions. Second operand 25 states. [2018-04-10 15:17:45,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:17:45,975 INFO L93 Difference]: Finished difference Result 912 states and 1068 transitions. [2018-04-10 15:17:45,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-04-10 15:17:45,976 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 66 [2018-04-10 15:17:45,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:17:45,978 INFO L225 Difference]: With dead ends: 912 [2018-04-10 15:17:45,978 INFO L226 Difference]: Without dead ends: 912 [2018-04-10 15:17:45,978 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=421, Invalid=1559, Unknown=0, NotChecked=0, Total=1980 [2018-04-10 15:17:45,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 912 states. [2018-04-10 15:17:45,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 912 to 682. [2018-04-10 15:17:45,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 682 states. [2018-04-10 15:17:45,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 807 transitions. [2018-04-10 15:17:45,983 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 807 transitions. Word has length 66 [2018-04-10 15:17:45,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:17:45,983 INFO L459 AbstractCegarLoop]: Abstraction has 682 states and 807 transitions. [2018-04-10 15:17:45,983 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-04-10 15:17:45,983 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 807 transitions. [2018-04-10 15:17:45,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-04-10 15:17:45,983 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:17:45,984 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:17:45,984 INFO L408 AbstractCegarLoop]: === Iteration 44 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:17:45,984 INFO L82 PathProgramCache]: Analyzing trace with hash -608372204, now seen corresponding path program 1 times [2018-04-10 15:17:45,984 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:17:45,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:17:45,998 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:17:46,404 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:17:46,404 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:17:46,405 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-04-10 15:17:46,405 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:17:46,405 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 15:17:46,405 INFO L182 omatonBuilderFactory]: Interpolants [34081#true, 34082#false, 34083#(= 0 |main_#t~malloc0.offset|), 34084#(= main_~head~0.offset 0), 34085#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 34086#(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)), 34087#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (= 0 |main_#t~malloc6.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| |main_#t~malloc6.base|) 1)), 34088#(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) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 1) (= 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) (= (select |#valid| main_~x~0.base) 1)), 34089#(and (= main_~x~0.offset main_~head~0.offset) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 1) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 34090#(and (= (select |#valid| |main_#t~mem8.base|) 1) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem8.base|) (not (= main_~head~0.base |main_#t~mem8.base|)) (= 0 |main_#t~mem8.offset|) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 34091#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset 0) (= (select |#valid| main_~head~0.base) 1) (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)) (= (select |#valid| main_~x~0.base) 1)), 34092#(and (= 1 (select |#valid| |main_#t~malloc10.base|)) (not (= main_~x~0.base |main_#t~malloc10.base|)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc10.base|)) (= main_~head~0.offset main_~x~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))), 34093#(and (= 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 8)))) (= main_~head~0.offset main_~x~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 34094#(and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.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)) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 34095#(and (= main_~head~0.offset 0) (= 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)) (+ main_~head~0.offset 8))))), 34096#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (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))), 34097#(and (= 0 |main_#t~mem21.offset|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) (+ 0 8))))), 34098#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= 0 main_~x~0.offset)), 34099#(= 1 (select |#valid| |main_#t~mem16.base|))] [2018-04-10 15:17:46,405 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:17:46,405 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-04-10 15:17:46,405 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-04-10 15:17:46,405 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2018-04-10 15:17:46,406 INFO L87 Difference]: Start difference. First operand 682 states and 807 transitions. Second operand 19 states. [2018-04-10 15:17:47,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:17:47,350 INFO L93 Difference]: Finished difference Result 909 states and 1061 transitions. [2018-04-10 15:17:47,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-04-10 15:17:47,350 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 66 [2018-04-10 15:17:47,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:17:47,352 INFO L225 Difference]: With dead ends: 909 [2018-04-10 15:17:47,352 INFO L226 Difference]: Without dead ends: 909 [2018-04-10 15:17:47,352 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 308 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=333, Invalid=1389, Unknown=0, NotChecked=0, Total=1722 [2018-04-10 15:17:47,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 909 states. [2018-04-10 15:17:47,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 909 to 682. [2018-04-10 15:17:47,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 682 states. [2018-04-10 15:17:47,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 804 transitions. [2018-04-10 15:17:47,356 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 804 transitions. Word has length 66 [2018-04-10 15:17:47,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:17:47,356 INFO L459 AbstractCegarLoop]: Abstraction has 682 states and 804 transitions. [2018-04-10 15:17:47,357 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-04-10 15:17:47,357 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 804 transitions. [2018-04-10 15:17:47,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-04-10 15:17:47,357 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:17:47,357 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:17:47,357 INFO L408 AbstractCegarLoop]: === Iteration 45 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:17:47,357 INFO L82 PathProgramCache]: Analyzing trace with hash -608372203, now seen corresponding path program 1 times [2018-04-10 15:17:47,358 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:17:47,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:17:47,365 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:17:47,876 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:17:47,876 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:17:47,876 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-04-10 15:17:47,876 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:17:47,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:17:47,876 INFO L182 omatonBuilderFactory]: Interpolants [35744#(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) (= 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) (= (select |#valid| main_~x~0.base) 1)), 35745#(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) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 35746#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem8.base|) (not (= main_~head~0.base |main_#t~mem8.base|)) (= 0 |main_#t~mem8.offset|) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 35747#(and (< main_~x~0.offset (+ main_~head~0.offset 1)) (or (< main_~x~0.offset main_~head~0.offset) (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)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~head~0.offset 0)), 35748#(and (= 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)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (<= 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)) (= (select |#valid| main_~x~0.base) 1)), 35749#(and (not (= main_~x~0.base |main_#t~malloc10.base|)) (= 16 (select |#length| |main_#t~malloc10.base|)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc10.base|)) (= 0 |main_#t~malloc10.offset|) (< main_~x~0.offset (+ main_~head~0.offset 1)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (<= main_~head~0.offset main_~x~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 35750#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= main_~head~0.offset 0) (<= main_~head~0.offset main_~x~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 35751#(and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8)))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (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))), 35752#(and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| (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))), 35753#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 8))) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| (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))), 35754#(and (= 0 |main_#t~mem21.offset|) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem21.base|) (+ 0 8))) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) (+ 0 8))))), 35755#(and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8))) (= 0 main_~x~0.offset)), 35756#(and (= 16 (select |#length| |main_#t~mem16.base|)) (= |main_#t~mem16.offset| 0)), 35737#true, 35738#false, 35739#(= 0 |main_#t~malloc0.offset|), 35740#(= main_~head~0.offset 0), 35741#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 35742#(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)), 35743#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (= 0 |main_#t~malloc6.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0))] [2018-04-10 15:17:47,877 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:17:47,877 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-04-10 15:17:47,877 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-04-10 15:17:47,877 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=319, Unknown=0, NotChecked=0, Total=380 [2018-04-10 15:17:47,877 INFO L87 Difference]: Start difference. First operand 682 states and 804 transitions. Second operand 20 states. [2018-04-10 15:17:49,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:17:49,034 INFO L93 Difference]: Finished difference Result 891 states and 1036 transitions. [2018-04-10 15:17:49,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-04-10 15:17:49,034 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 66 [2018-04-10 15:17:49,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:17:49,036 INFO L225 Difference]: With dead ends: 891 [2018-04-10 15:17:49,036 INFO L226 Difference]: Without dead ends: 891 [2018-04-10 15:17:49,036 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 275 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=298, Invalid=1262, Unknown=0, NotChecked=0, Total=1560 [2018-04-10 15:17:49,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 891 states. [2018-04-10 15:17:49,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 891 to 682. [2018-04-10 15:17:49,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 682 states. [2018-04-10 15:17:49,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 801 transitions. [2018-04-10 15:17:49,040 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 801 transitions. Word has length 66 [2018-04-10 15:17:49,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:17:49,041 INFO L459 AbstractCegarLoop]: Abstraction has 682 states and 801 transitions. [2018-04-10 15:17:49,041 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-04-10 15:17:49,041 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 801 transitions. [2018-04-10 15:17:49,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-04-10 15:17:49,041 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:17:49,041 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] [2018-04-10 15:17:49,041 INFO L408 AbstractCegarLoop]: === Iteration 46 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:17:49,041 INFO L82 PathProgramCache]: Analyzing trace with hash -937246454, now seen corresponding path program 1 times [2018-04-10 15:17:49,042 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:17:49,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:17:49,048 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:17:49,161 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-10 15:17:49,161 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:17:49,161 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-04-10 15:17:49,161 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:17:49,162 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 15:17:49,162 INFO L182 omatonBuilderFactory]: Interpolants [37376#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 37377#(and (not (= main_~head~0.base |main_#t~mem8.base|)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 37378#(and (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 37379#(not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 37380#(not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 37381#(not (= 0 |main_#t~mem21.base|)), 37382#(not (= 0 main_~x~0.base)), 37370#true, 37371#false, 37372#(= 1 (select |#valid| main_~head~0.base)), 37373#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 37374#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= 0 |main_#t~malloc6.base|))), 37375#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base))] [2018-04-10 15:17:49,162 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-10 15:17:49,162 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-10 15:17:49,162 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-10 15:17:49,162 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2018-04-10 15:17:49,162 INFO L87 Difference]: Start difference. First operand 682 states and 801 transitions. Second operand 13 states. [2018-04-10 15:17:49,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:17:49,630 INFO L93 Difference]: Finished difference Result 763 states and 880 transitions. [2018-04-10 15:17:49,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-10 15:17:49,631 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 67 [2018-04-10 15:17:49,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:17:49,632 INFO L225 Difference]: With dead ends: 763 [2018-04-10 15:17:49,632 INFO L226 Difference]: Without dead ends: 763 [2018-04-10 15:17:49,632 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=359, Unknown=0, NotChecked=0, Total=462 [2018-04-10 15:17:49,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 763 states. [2018-04-10 15:17:49,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 763 to 673. [2018-04-10 15:17:49,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 673 states. [2018-04-10 15:17:49,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 789 transitions. [2018-04-10 15:17:49,636 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 789 transitions. Word has length 67 [2018-04-10 15:17:49,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:17:49,636 INFO L459 AbstractCegarLoop]: Abstraction has 673 states and 789 transitions. [2018-04-10 15:17:49,637 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-10 15:17:49,637 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 789 transitions. [2018-04-10 15:17:49,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-04-10 15:17:49,637 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:17:49,637 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] [2018-04-10 15:17:49,637 INFO L408 AbstractCegarLoop]: === Iteration 47 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:17:49,637 INFO L82 PathProgramCache]: Analyzing trace with hash -712198298, now seen corresponding path program 1 times [2018-04-10 15:17:49,638 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:17:49,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:17:49,656 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:17:50,617 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:17:50,617 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:17:50,617 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-04-10 15:17:50,618 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:17:50,618 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 15:17:50,618 INFO L182 omatonBuilderFactory]: Interpolants [38848#(and (not (= main_~x~0.offset (+ main_~head~0.offset 8))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)))) (= 16 (select |#length| main_~x~0.base)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 38849#(and (not (= main_~x~0.offset (+ main_~head~0.offset 8))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)))) (= 16 (select |#length| main_~x~0.base)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 38850#(and (not (= main_~head~0.base |main_#t~mem8.base|)) (= (select |#valid| main_~head~0.base) 1) (= 16 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 38851#(and (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 16 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 38852#(and (not (= main_~head~0.base |main_#t~malloc10.base|)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 16 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 38853#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 16 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 38854#(and (not (= |main_#t~mem11.base| main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 16 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 38855#(and (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 16 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 38856#(and (or (= |main_#t~malloc6.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))) (not (= main_~x~0.base |main_#t~malloc6.base|)) (= 0 |main_#t~malloc6.offset|) (not (= main_~head~0.base |main_#t~malloc6.base|)) (not (= main_~x~0.base main_~head~0.base)) (= 16 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0)), 38857#(and (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 8))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))) (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))) (= 16 (select |#length| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0)), 38858#(and (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 8))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))) (not (= |main_#t~mem7.base| main_~head~0.base)) (= 16 (select |#length| main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0)), 38859#(and (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 8))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))) (= 16 (select |#length| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0)), 38860#(and (or (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))) (= 0 |main_#t~mem8.offset|) (= 16 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0)), 38861#(and (= main_~x~0.offset 0) (or (and (or (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))) (not (= main_~x~0.base main_~head~0.base))) (and (= 16 (select |#length| main_~head~0.base)) (= main_~x~0.base main_~head~0.base))) (= main_~head~0.offset 0)), 38862#(and (= main_~x~0.offset 0) (= main_~head~0.offset 0) (or (and (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))) (and (= main_~x~0.base main_~head~0.base) (= (select |#length| main_~x~0.base) 16)))), 38863#(and (or (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))) (= main_~head~0.offset 0)), 38864#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))), 38865#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))), 38866#(= 1 (select |#valid| |main_#t~mem16.base|)), 38837#true, 38838#false, 38839#(and (= 16 (select |#length| |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 38840#(and (= 16 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0)), 38841#(and (= 1 (select |#valid| main_~head~0.base)) (= 16 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0)), 38842#(and (= (select |#valid| |main_#t~malloc2.base|) 1) (= 16 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0) (not (= main_~head~0.base |main_#t~malloc2.base|))), 38843#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= (select |#valid| main_~head~0.base) 1) (= 16 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 38844#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= (select |#valid| main_~head~0.base) 1) (= 16 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 38845#(and (= (select |#valid| main_~head~0.base) 1) (= 16 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 38846#(and (not (= main_~x~0.offset (+ main_~head~0.offset 8))) (= 16 (select |#length| main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 38847#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (not (= main_~x~0.offset (+ main_~head~0.offset 8))) (= 16 (select |#length| main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))))] [2018-04-10 15:17:50,618 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:17:50,618 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-04-10 15:17:50,618 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-04-10 15:17:50,619 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=744, Unknown=0, NotChecked=0, Total=870 [2018-04-10 15:17:50,619 INFO L87 Difference]: Start difference. First operand 673 states and 789 transitions. Second operand 30 states. [2018-04-10 15:17:56,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:17:56,320 INFO L93 Difference]: Finished difference Result 917 states and 1043 transitions. [2018-04-10 15:17:56,320 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2018-04-10 15:17:56,320 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 69 [2018-04-10 15:17:56,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:17:56,322 INFO L225 Difference]: With dead ends: 917 [2018-04-10 15:17:56,322 INFO L226 Difference]: Without dead ends: 917 [2018-04-10 15:17:56,324 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4182 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=2974, Invalid=12526, Unknown=0, NotChecked=0, Total=15500 [2018-04-10 15:17:56,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 917 states. [2018-04-10 15:17:56,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 917 to 673. [2018-04-10 15:17:56,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 673 states. [2018-04-10 15:17:56,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 787 transitions. [2018-04-10 15:17:56,328 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 787 transitions. Word has length 69 [2018-04-10 15:17:56,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:17:56,328 INFO L459 AbstractCegarLoop]: Abstraction has 673 states and 787 transitions. [2018-04-10 15:17:56,328 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-04-10 15:17:56,328 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 787 transitions. [2018-04-10 15:17:56,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-04-10 15:17:56,328 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:17:56,329 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] [2018-04-10 15:17:56,329 INFO L408 AbstractCegarLoop]: === Iteration 48 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:17:56,329 INFO L82 PathProgramCache]: Analyzing trace with hash -712198297, now seen corresponding path program 1 times [2018-04-10 15:17:56,329 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:17:56,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:17:56,355 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:17:57,026 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:17:57,026 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:17:57,027 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-04-10 15:17:57,027 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:17:57,027 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 15:17:57,027 INFO L182 omatonBuilderFactory]: Interpolants [40647#true, 40648#false, 40649#(= 0 |main_#t~malloc0.offset|), 40650#(= main_~head~0.offset 0), 40651#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 40652#(and (= 0 |main_#t~malloc2.offset|) (= 16 (select |#length| |main_#t~malloc2.base|)) (= (select |#valid| |main_#t~malloc2.base|) 1) (= main_~head~0.offset 0) (not (= main_~head~0.base |main_#t~malloc2.base|))), 40653#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) 1) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 40654#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) 1) (not (= main_~head~0.base |main_#t~mem3.base|)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 40655#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) 1) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 40656#(and (not (= main_~x~0.offset (+ main_~head~0.offset 8))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) 1) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (= main_~x~0.base main_~head~0.base)), 40657#(and (not (= main_~x~0.offset (+ main_~head~0.offset 8))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) 1) (not (= main_~head~0.base |main_#t~malloc6.base|)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~x~0.base main_~head~0.base)), 40658#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~head~0.offset 8))) (not (= main_~x~0.offset (+ main_~head~0.offset 8))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)))) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)))) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 40659#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~head~0.offset 8))) (not (= main_~x~0.offset (+ main_~head~0.offset 8))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)))) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)))) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= (select |#valid| main_~x~0.base) 1)), 40660#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) 1) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~head~0.base |main_#t~mem8.base|)) (= (select |#valid| main_~head~0.base) 1)), 40661#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) 1) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 40662#(and (not (= main_~head~0.base |main_#t~malloc10.base|)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 40663#(and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 40664#(and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 40665#(and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 40666#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (not (= main_~head~0.base |main_#t~malloc6.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~x~0.base main_~head~0.base))), 40667#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 40668#(and (not (= |main_#t~mem7.base| main_~head~0.base)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem7.base|))), 40669#(and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 40670#(and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~head~0.base |main_#t~mem8.base|))), 40671#(and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~x~0.base main_~head~0.base))), 40672#(and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8)))), 40673#(and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8)))), 40674#(and (= 16 (select |#length| |main_#t~mem16.base|)) (= |main_#t~mem16.offset| 0))] [2018-04-10 15:17:57,027 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:17:57,027 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-04-10 15:17:57,027 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-04-10 15:17:57,027 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=655, Unknown=0, NotChecked=0, Total=756 [2018-04-10 15:17:57,028 INFO L87 Difference]: Start difference. First operand 673 states and 787 transitions. Second operand 28 states. [2018-04-10 15:17:59,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:17:59,069 INFO L93 Difference]: Finished difference Result 811 states and 928 transitions. [2018-04-10 15:17:59,069 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-04-10 15:17:59,069 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 69 [2018-04-10 15:17:59,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:17:59,071 INFO L225 Difference]: With dead ends: 811 [2018-04-10 15:17:59,071 INFO L226 Difference]: Without dead ends: 811 [2018-04-10 15:17:59,071 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 661 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=833, Invalid=2949, Unknown=0, NotChecked=0, Total=3782 [2018-04-10 15:17:59,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 811 states. [2018-04-10 15:17:59,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 811 to 642. [2018-04-10 15:17:59,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 642 states. [2018-04-10 15:17:59,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 749 transitions. [2018-04-10 15:17:59,075 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 749 transitions. Word has length 69 [2018-04-10 15:17:59,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:17:59,075 INFO L459 AbstractCegarLoop]: Abstraction has 642 states and 749 transitions. [2018-04-10 15:17:59,075 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-04-10 15:17:59,075 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 749 transitions. [2018-04-10 15:17:59,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-04-10 15:17:59,076 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:17:59,076 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, 1, 1, 1, 1, 1, 1] [2018-04-10 15:17:59,076 INFO L408 AbstractCegarLoop]: === Iteration 49 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:17:59,076 INFO L82 PathProgramCache]: Analyzing trace with hash -1301060246, now seen corresponding path program 1 times [2018-04-10 15:17:59,077 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:17:59,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:17:59,086 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:17:59,247 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 15:17:59,247 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:17:59,247 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-04-10 15:17:59,247 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:17:59,247 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 15:17:59,248 INFO L182 omatonBuilderFactory]: Interpolants [42208#(not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 42209#(not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 42210#(not (= 0 |main_#t~mem21.base|)), 42211#(not (= 0 main_~x~0.base)), 42196#true, 42197#false, 42198#(= (select |#valid| main_~head~0.base) 1), 42199#(and (= main_~x~0.offset main_~head~0.offset) (= (select |#valid| main_~head~0.base) 1) (= main_~x~0.base main_~head~0.base)), 42200#(and (not (= main_~head~0.base |main_#t~malloc6.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= 0 |main_#t~malloc6.base|))), 42201#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 (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)), 42202#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= (select |#valid| main_~x~0.base) 1)), 42203#(and (not (= main_~head~0.base |main_#t~mem8.base|)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1)), 42204#(and (not (= 0 (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))), 42205#(and (not (= main_~head~0.base |main_#t~malloc10.base|)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 42206#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 42207#(and (not (= |main_#t~mem11.base| main_~head~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))))] [2018-04-10 15:17:59,248 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 15:17:59,248 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-10 15:17:59,248 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-10 15:17:59,248 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2018-04-10 15:17:59,248 INFO L87 Difference]: Start difference. First operand 642 states and 749 transitions. Second operand 16 states. [2018-04-10 15:17:59,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:17:59,719 INFO L93 Difference]: Finished difference Result 791 states and 922 transitions. [2018-04-10 15:17:59,719 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-04-10 15:17:59,719 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 70 [2018-04-10 15:17:59,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:17:59,720 INFO L225 Difference]: With dead ends: 791 [2018-04-10 15:17:59,720 INFO L226 Difference]: Without dead ends: 791 [2018-04-10 15:17:59,720 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=160, Invalid=652, Unknown=0, NotChecked=0, Total=812 [2018-04-10 15:17:59,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 791 states. [2018-04-10 15:17:59,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 791 to 642. [2018-04-10 15:17:59,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 642 states. [2018-04-10 15:17:59,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 747 transitions. [2018-04-10 15:17:59,724 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 747 transitions. Word has length 70 [2018-04-10 15:17:59,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:17:59,724 INFO L459 AbstractCegarLoop]: Abstraction has 642 states and 747 transitions. [2018-04-10 15:17:59,724 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-10 15:17:59,724 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 747 transitions. [2018-04-10 15:17:59,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-04-10 15:17:59,725 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:17:59,725 INFO L355 BasicCegarLoop]: trace histogram [3, 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] [2018-04-10 15:17:59,725 INFO L408 AbstractCegarLoop]: === Iteration 50 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:17:59,725 INFO L82 PathProgramCache]: Analyzing trace with hash 1376334057, now seen corresponding path program 2 times [2018-04-10 15:17:59,725 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:17:59,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:17:59,732 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:17:59,971 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:17:59,971 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:17:59,971 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-04-10 15:17:59,971 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:17:59,972 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 15:17:59,972 INFO L182 omatonBuilderFactory]: Interpolants [43680#(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_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 43681#(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 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 43682#(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))) (= 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)))), 43683#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem21.base|) |main_#t~mem21.offset|)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) |main_#t~mem21.offset|))), 43684#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 43685#(and (= 0 |main_#t~mem21.offset|) (= 0 |main_#t~mem21.base|)), 43686#(and (= 0 main_~x~0.base) (= 0 main_~x~0.offset)), 43671#true, 43672#false, 43673#(= 1 (select |#valid| main_~head~0.base)), 43674#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 43675#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 43676#(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) (= main_~x~0.base main_~head~0.base)), 43677#(and (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 43678#(and (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem8.offset|) (not (= main_~head~0.base |main_#t~mem8.base|)) (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 43679#(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_~head~0.base)))] [2018-04-10 15:17:59,972 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:17:59,972 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-10 15:17:59,972 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-10 15:17:59,973 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2018-04-10 15:17:59,973 INFO L87 Difference]: Start difference. First operand 642 states and 747 transitions. Second operand 16 states. [2018-04-10 15:18:00,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:18:00,588 INFO L93 Difference]: Finished difference Result 682 states and 774 transitions. [2018-04-10 15:18:00,588 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-04-10 15:18:00,589 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 71 [2018-04-10 15:18:00,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:18:00,590 INFO L225 Difference]: With dead ends: 682 [2018-04-10 15:18:00,590 INFO L226 Difference]: Without dead ends: 682 [2018-04-10 15:18:00,590 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=146, Invalid=846, Unknown=0, NotChecked=0, Total=992 [2018-04-10 15:18:00,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2018-04-10 15:18:00,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 632. [2018-04-10 15:18:00,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 632 states. [2018-04-10 15:18:00,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 725 transitions. [2018-04-10 15:18:00,593 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 725 transitions. Word has length 71 [2018-04-10 15:18:00,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:18:00,594 INFO L459 AbstractCegarLoop]: Abstraction has 632 states and 725 transitions. [2018-04-10 15:18:00,594 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-10 15:18:00,594 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 725 transitions. [2018-04-10 15:18:00,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-04-10 15:18:00,594 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:18:00,594 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] [2018-04-10 15:18:00,594 INFO L408 AbstractCegarLoop]: === Iteration 51 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:18:00,594 INFO L82 PathProgramCache]: Analyzing trace with hash -1035335405, now seen corresponding path program 3 times [2018-04-10 15:18:00,595 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:18:00,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:18:00,601 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:18:00,945 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 15:18:00,945 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:18:00,946 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-04-10 15:18:00,946 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:18:00,946 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 15:18:00,946 INFO L182 omatonBuilderFactory]: Interpolants [45056#(= 1 (select |#valid| main_~x~0.base)), 45033#true, 45034#false, 45035#(= |main_#t~malloc0.offset| 0), 45036#(= main_~head~0.offset 0), 45037#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 45038#(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)), 45039#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 45040#(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) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 45041#(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) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 45042#(and (not (= main_~head~0.base |main_#t~mem8.base|)) (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 45043#(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)) (= main_~head~0.offset 0)), 45044#(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)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 45045#(and (= main_~head~0.offset |main_#t~malloc6.offset|) (not (= main_~x~0.base |main_#t~malloc6.base|)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc6.base|)) (not (= main_~x~0.base main_~head~0.base))), 45046#(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))) (= main_~head~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))) (= (select |#valid| main_~x~0.base) 1)), 45047#(and (not (= |main_#t~mem7.base| main_~head~0.base)) (= main_~x~0.base (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_~x~0.base |main_#t~mem7.base|)) (= (select |#valid| main_~x~0.base) 1)), 45048#(and (= main_~x~0.base (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_~x~0.base) 1)), 45049#(and (= main_~head~0.offset |main_#t~mem8.offset|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 45050#(or (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)) (and (= 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)))), 45051#(or (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)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (= 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)))), 45052#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (and (= 0 (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)))), 45053#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (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)))), 45054#(or (= 1 (select |#valid| |main_#t~mem21.base|)) (and (= 0 |main_#t~mem21.offset|) (= 0 |main_#t~mem21.base|))), 45055#(or (= 1 (select |#valid| main_~x~0.base)) (and (= 0 main_~x~0.base) (= 0 main_~x~0.offset)))] [2018-04-10 15:18:00,946 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 15:18:00,946 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-04-10 15:18:00,946 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-04-10 15:18:00,947 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=459, Unknown=0, NotChecked=0, Total=552 [2018-04-10 15:18:00,947 INFO L87 Difference]: Start difference. First operand 632 states and 725 transitions. Second operand 24 states. [2018-04-10 15:18:02,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:18:02,209 INFO L93 Difference]: Finished difference Result 932 states and 1080 transitions. [2018-04-10 15:18:02,209 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-04-10 15:18:02,209 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 71 [2018-04-10 15:18:02,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:18:02,211 INFO L225 Difference]: With dead ends: 932 [2018-04-10 15:18:02,211 INFO L226 Difference]: Without dead ends: 932 [2018-04-10 15:18:02,211 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 723 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=637, Invalid=2225, Unknown=0, NotChecked=0, Total=2862 [2018-04-10 15:18:02,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 932 states. [2018-04-10 15:18:02,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 932 to 729. [2018-04-10 15:18:02,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 729 states. [2018-04-10 15:18:02,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 835 transitions. [2018-04-10 15:18:02,216 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 835 transitions. Word has length 71 [2018-04-10 15:18:02,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:18:02,216 INFO L459 AbstractCegarLoop]: Abstraction has 729 states and 835 transitions. [2018-04-10 15:18:02,216 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-04-10 15:18:02,216 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 835 transitions. [2018-04-10 15:18:02,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-04-10 15:18:02,216 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:18:02,216 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] [2018-04-10 15:18:02,217 INFO L408 AbstractCegarLoop]: === Iteration 52 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:18:02,217 INFO L82 PathProgramCache]: Analyzing trace with hash -1035335404, now seen corresponding path program 2 times [2018-04-10 15:18:02,217 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:18:02,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:18:02,224 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:18:02,568 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 15:18:02,568 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:18:02,568 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-04-10 15:18:02,568 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:18:02,569 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 15:18:02,569 INFO L182 omatonBuilderFactory]: Interpolants [46784#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= (select |#length| |main_#t~mem7.base|) 16) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= (select |#valid| main_~x~0.base) 1)), 46785#(and (not (= main_~head~0.base |main_#t~mem8.base|)) (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (= (select |#length| |main_#t~mem8.base|) 16) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 46786#(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)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#length| main_~x~0.base) 16)), 46787#(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)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1) (= (select |#length| main_~x~0.base) 16)), 46788#(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~malloc6.base|)) (not (= main_~head~0.base |main_#t~malloc6.base|)) (= (select |#length| main_~x~0.base) (select |#length| |main_#t~malloc6.base|)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 46789#(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))) (= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select |#length| (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))), 46790#(and (not (= |main_#t~mem7.base| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem7.base|)) (= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select |#length| (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))), 46791#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select |#length| (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))), 46792#(and (= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select |#length| |main_#t~mem8.base|)) (not (= main_~head~0.base |main_#t~mem8.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 46793#(and (not (= main_~x~0.base main_~head~0.base)) (= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select |#length| main_~x~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 46794#(and (<= 0 main_~x~0.offset) (not (= main_~x~0.base main_~head~0.base)) (= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select |#length| main_~x~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 46795#(and (<= 16 (select |#length| main_~x~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select |#length| main_~x~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 46796#(and (<= 16 (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))), 46797#(and (<= 16 (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))), 46798#(and (= 0 |main_#t~mem21.offset|) (<= 16 (select |#length| |main_#t~mem21.base|))), 46799#(and (<= 16 (select |#length| main_~x~0.base)) (= 0 main_~x~0.offset)), 46778#true, 46779#false, 46780#(= 1 (select |#valid| main_~head~0.base)), 46781#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 46782#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (= 0 |main_#t~malloc6.offset|) (= main_~x~0.offset main_~head~0.offset) (= (select |#length| |main_#t~malloc6.base|) 16) (= main_~x~0.base main_~head~0.base)), 46783#(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) (= (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 16) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1))] [2018-04-10 15:18:02,569 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 15:18:02,569 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-04-10 15:18:02,569 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-04-10 15:18:02,569 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=388, Unknown=0, NotChecked=0, Total=462 [2018-04-10 15:18:02,569 INFO L87 Difference]: Start difference. First operand 729 states and 835 transitions. Second operand 22 states. [2018-04-10 15:18:03,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:18:03,479 INFO L93 Difference]: Finished difference Result 977 states and 1118 transitions. [2018-04-10 15:18:03,479 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-04-10 15:18:03,479 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 71 [2018-04-10 15:18:03,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:18:03,480 INFO L225 Difference]: With dead ends: 977 [2018-04-10 15:18:03,480 INFO L226 Difference]: Without dead ends: 977 [2018-04-10 15:18:03,481 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 368 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=306, Invalid=1254, Unknown=0, NotChecked=0, Total=1560 [2018-04-10 15:18:03,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2018-04-10 15:18:03,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 812. [2018-04-10 15:18:03,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 812 states. [2018-04-10 15:18:03,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 812 states and 934 transitions. [2018-04-10 15:18:03,485 INFO L78 Accepts]: Start accepts. Automaton has 812 states and 934 transitions. Word has length 71 [2018-04-10 15:18:03,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:18:03,485 INFO L459 AbstractCegarLoop]: Abstraction has 812 states and 934 transitions. [2018-04-10 15:18:03,485 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-04-10 15:18:03,485 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 934 transitions. [2018-04-10 15:18:03,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-04-10 15:18:03,486 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:18:03,486 INFO L355 BasicCegarLoop]: trace histogram [3, 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] [2018-04-10 15:18:03,486 INFO L408 AbstractCegarLoop]: === Iteration 53 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:18:03,486 INFO L82 PathProgramCache]: Analyzing trace with hash 733892819, now seen corresponding path program 1 times [2018-04-10 15:18:03,486 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:18:03,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:18:03,493 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:18:03,708 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:18:03,709 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:18:03,709 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-04-10 15:18:03,709 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:18:03,709 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 15:18:03,709 INFO L182 omatonBuilderFactory]: Interpolants [48640#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem21.base|) |main_#t~mem21.offset|)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) |main_#t~mem21.offset|))), 48641#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 48642#(and (= 0 |main_#t~mem21.offset|) (= 0 |main_#t~mem21.base|)), 48643#(and (= 0 main_~x~0.base) (= 0 main_~x~0.offset)), 48625#true, 48626#false, 48627#(= 1 (select |#valid| main_~head~0.base)), 48628#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 48629#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| |main_#t~malloc6.base|) 1)), 48630#(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) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 1) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 48631#(and (= main_~x~0.offset main_~head~0.offset) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 1) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= (select |#valid| main_~x~0.base) 1)), 48632#(and (= (select |#valid| |main_#t~mem8.base|) 1) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem8.base|) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem8.offset|) (not (= main_~head~0.base |main_#t~mem8.base|)) (= (select |#valid| main_~head~0.base) 1)), 48633#(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)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 48634#(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)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 48635#(and (not (= main_~x~0.base |main_#t~malloc10.base|)) (= 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~malloc10.base|)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 48636#(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 8)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 48637#(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~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= 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)))), 48638#(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 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 48639#(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))) (= 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))))] [2018-04-10 15:18:03,709 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:18:03,709 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-04-10 15:18:03,709 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-04-10 15:18:03,710 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2018-04-10 15:18:03,710 INFO L87 Difference]: Start difference. First operand 812 states and 934 transitions. Second operand 19 states. [2018-04-10 15:18:04,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:18:04,336 INFO L93 Difference]: Finished difference Result 893 states and 1014 transitions. [2018-04-10 15:18:04,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-04-10 15:18:04,336 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 74 [2018-04-10 15:18:04,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:18:04,338 INFO L225 Difference]: With dead ends: 893 [2018-04-10 15:18:04,338 INFO L226 Difference]: Without dead ends: 856 [2018-04-10 15:18:04,338 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 243 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=191, Invalid=1069, Unknown=0, NotChecked=0, Total=1260 [2018-04-10 15:18:04,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2018-04-10 15:18:04,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 793. [2018-04-10 15:18:04,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 793 states. [2018-04-10 15:18:04,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 912 transitions. [2018-04-10 15:18:04,342 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 912 transitions. Word has length 74 [2018-04-10 15:18:04,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:18:04,343 INFO L459 AbstractCegarLoop]: Abstraction has 793 states and 912 transitions. [2018-04-10 15:18:04,343 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-04-10 15:18:04,343 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 912 transitions. [2018-04-10 15:18:04,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-04-10 15:18:04,343 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:18:04,343 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] [2018-04-10 15:18:04,343 INFO L408 AbstractCegarLoop]: === Iteration 54 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:18:04,344 INFO L82 PathProgramCache]: Analyzing trace with hash -1677776643, now seen corresponding path program 1 times [2018-04-10 15:18:04,344 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:18:04,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:18:04,352 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:18:04,700 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 15:18:04,700 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:18:04,700 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-04-10 15:18:04,700 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:18:04,700 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 15:18:04,700 INFO L182 omatonBuilderFactory]: Interpolants [50368#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 50369#(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)), 50370#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 50371#(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) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 50372#(and (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 50373#(and (not (= main_~head~0.base |main_#t~mem8.base|)) (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 50374#(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)) (= main_~head~0.offset 0)), 50375#(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~malloc10.base|)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 50376#(and (= 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 8)))) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 50377#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~mem11.base| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 50378#(and (= 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_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 50379#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (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~malloc6.base|)) (not (= main_~x~0.base main_~head~0.base))) (and (= main_~head~0.offset |main_#t~malloc6.offset|) (= |main_#t~malloc6.base| main_~head~0.base)))), 50380#(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 (= 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))) (= (select |#valid| main_~x~0.base) 1))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 50381#(and (or (and (not (= |main_#t~mem7.base| main_~head~0.base)) (= 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))) (= (select |#valid| main_~x~0.base) 1)) (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~mem7.base|))), 50382#(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 (= 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))) (= (select |#valid| main_~x~0.base) 1))), 50383#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem8.base|))) (and (= |main_#t~mem8.base| main_~head~0.base) (= main_~head~0.offset |main_#t~mem8.offset|))), 50384#(or (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)) (and (= 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)))), 50385#(or (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)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (= 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)))), 50386#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (and (= 0 (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)))), 50387#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (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)))), 50388#(or (= 1 (select |#valid| |main_#t~mem21.base|)) (and (= 0 |main_#t~mem21.offset|) (= 0 |main_#t~mem21.base|))), 50389#(or (= 1 (select |#valid| main_~x~0.base)) (and (= 0 main_~x~0.base) (= 0 main_~x~0.offset))), 50390#(= 1 (select |#valid| main_~x~0.base)), 50364#true, 50365#false, 50366#(= |main_#t~malloc0.offset| 0), 50367#(= main_~head~0.offset 0)] [2018-04-10 15:18:04,701 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 15:18:04,701 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-04-10 15:18:04,701 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-04-10 15:18:04,701 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=600, Unknown=0, NotChecked=0, Total=702 [2018-04-10 15:18:04,701 INFO L87 Difference]: Start difference. First operand 793 states and 912 transitions. Second operand 27 states. [2018-04-10 15:18:06,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:18:06,479 INFO L93 Difference]: Finished difference Result 1132 states and 1312 transitions. [2018-04-10 15:18:06,479 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-04-10 15:18:06,479 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 74 [2018-04-10 15:18:06,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:18:06,482 INFO L225 Difference]: With dead ends: 1132 [2018-04-10 15:18:06,482 INFO L226 Difference]: Without dead ends: 1132 [2018-04-10 15:18:06,482 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1255 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1028, Invalid=3528, Unknown=0, NotChecked=0, Total=4556 [2018-04-10 15:18:06,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1132 states. [2018-04-10 15:18:06,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1132 to 874. [2018-04-10 15:18:06,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 874 states. [2018-04-10 15:18:06,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 1004 transitions. [2018-04-10 15:18:06,490 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 1004 transitions. Word has length 74 [2018-04-10 15:18:06,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:18:06,490 INFO L459 AbstractCegarLoop]: Abstraction has 874 states and 1004 transitions. [2018-04-10 15:18:06,490 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-04-10 15:18:06,490 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1004 transitions. [2018-04-10 15:18:06,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-04-10 15:18:06,491 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:18:06,491 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] [2018-04-10 15:18:06,491 INFO L408 AbstractCegarLoop]: === Iteration 55 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:18:06,491 INFO L82 PathProgramCache]: Analyzing trace with hash -1677776642, now seen corresponding path program 1 times [2018-04-10 15:18:06,492 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:18:06,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:18:06,504 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:18:07,003 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 15:18:07,004 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:18:07,004 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-04-10 15:18:07,004 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:18:07,004 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 15:18:07,004 INFO L182 omatonBuilderFactory]: Interpolants [52480#false, 52481#(= |main_#t~malloc0.offset| 0), 52482#(= main_~head~0.offset 0), 52483#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 52484#(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)), 52485#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (= 0 |main_#t~malloc6.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 16 (select |#length| |main_#t~malloc6.base|))), 52486#(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)) (= 16 (select |#length| (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) (= (select |#valid| main_~x~0.base) 1)), 52487#(and (= 16 (select |#length| |main_#t~mem7.base|)) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 52488#(and (not (= main_~head~0.base |main_#t~mem8.base|)) (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (= 16 (select |#length| |main_#t~mem8.base|)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 52489#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 16 (select |#length| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (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))), 52490#(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~malloc10.base|)) (= 16 (select |#length| main_~x~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))), 52491#(and (= 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 8)))) (= 16 (select |#length| main_~x~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)) (= (select |#valid| main_~x~0.base) 1)), 52492#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~mem11.base| main_~head~0.base)) (= 16 (select |#length| main_~x~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 52493#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 16 (select |#length| main_~x~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)) (= (select |#valid| main_~x~0.base) 1)), 52494#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (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~malloc6.base|)) (= 16 (select |#length| main_~x~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_~head~0.offset |main_#t~malloc6.offset|) (= |main_#t~malloc6.base| main_~head~0.base)))), 52495#(and (or (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 16 (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))) (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 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 52496#(and (or (and (not (= |main_#t~mem7.base| main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 16 (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))) (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~mem7.base|))), 52497#(or (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 16 (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))) (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))), 52498#(or (and (= |main_#t~mem8.base| main_~head~0.base) (= main_~head~0.offset |main_#t~mem8.offset|)) (and (not (= main_~head~0.base |main_#t~mem8.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))))), 52499#(or (and (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| 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))), 52500#(or (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)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))))), 52501#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (and (= 0 (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)))), 52502#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (= 16 (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)))), 52503#(or (and (= 16 (select |#length| |main_#t~mem21.base|)) (= 0 |main_#t~mem21.offset|)) (and (= 0 |main_#t~mem21.offset|) (= 0 |main_#t~mem21.base|))), 52504#(or (and (= 16 (select |#length| main_~x~0.base)) (= 0 main_~x~0.offset)) (and (= 0 main_~x~0.base) (= 0 main_~x~0.offset))), 52505#(and (= main_~x~0.offset 0) (= 16 (select |#length| main_~x~0.base))), 52479#true] [2018-04-10 15:18:07,004 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 15:18:07,005 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-04-10 15:18:07,005 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-04-10 15:18:07,005 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=600, Unknown=0, NotChecked=0, Total=702 [2018-04-10 15:18:07,005 INFO L87 Difference]: Start difference. First operand 874 states and 1004 transitions. Second operand 27 states. [2018-04-10 15:18:09,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:18:09,079 INFO L93 Difference]: Finished difference Result 1170 states and 1358 transitions. [2018-04-10 15:18:09,079 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-04-10 15:18:09,079 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 74 [2018-04-10 15:18:09,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:18:09,081 INFO L225 Difference]: With dead ends: 1170 [2018-04-10 15:18:09,081 INFO L226 Difference]: Without dead ends: 1170 [2018-04-10 15:18:09,082 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1206 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=801, Invalid=3755, Unknown=0, NotChecked=0, Total=4556 [2018-04-10 15:18:09,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1170 states. [2018-04-10 15:18:09,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1170 to 830. [2018-04-10 15:18:09,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 830 states. [2018-04-10 15:18:09,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 830 states and 956 transitions. [2018-04-10 15:18:09,089 INFO L78 Accepts]: Start accepts. Automaton has 830 states and 956 transitions. Word has length 74 [2018-04-10 15:18:09,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:18:09,089 INFO L459 AbstractCegarLoop]: Abstraction has 830 states and 956 transitions. [2018-04-10 15:18:09,089 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-04-10 15:18:09,089 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 956 transitions. [2018-04-10 15:18:09,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-04-10 15:18:09,090 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:18:09,090 INFO L355 BasicCegarLoop]: trace histogram [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] [2018-04-10 15:18:09,090 INFO L408 AbstractCegarLoop]: === Iteration 56 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:18:09,090 INFO L82 PathProgramCache]: Analyzing trace with hash 725113567, now seen corresponding path program 2 times [2018-04-10 15:18:09,091 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:18:09,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:18:09,108 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:18:10,665 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:18:10,665 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:18:10,666 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-04-10 15:18:10,666 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:18:10,666 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 15:18:10,666 INFO L182 omatonBuilderFactory]: Interpolants [54592#(and (= (select |#length| main_~head~0.base) 16) (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 54593#(and (= (select |#length| main_~head~0.base) 16) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) 1) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 54594#(and (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) 1) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1) (= (select |#length| main_~x~0.base) 16) (= 0 main_~x~0.offset)), 54595#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) 1) (= (select |#length| main_~x~0.base) (select |#length| |main_#t~malloc6.base|)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 16 (select |#length| |main_#t~malloc6.base|)) (= 0 main_~x~0.offset)), 54596#(and (= (select |#length| main_~x~0.base) (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) 1) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 16 (select |#length| (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) (= (select |#valid| main_~x~0.base) 1) (= 0 main_~x~0.offset)), 54597#(and (= (select |#length| main_~x~0.base) (select |#length| |main_#t~mem7.base|)) (= 16 (select |#length| |main_#t~mem7.base|)) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) 1) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1) (= 0 main_~x~0.offset)), 54598#(and (= 0 main_~head~0.offset) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) 1) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 16 (select |#length| main_~x~0.base)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1) (= 0 main_~x~0.offset)), 54599#(and (= |main_#t~mem8.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) 1) (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (= 16 (select |#length| main_~head~0.base)) (= 16 (select |#length| |main_#t~mem8.base|)) (= main_~head~0.offset 0)), 54600#(and (= main_~head~0.offset 0) (or (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) 1) (= 16 (select |#length| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)) (and (or (= main_~x~0.offset 0) (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= 16 (select |#length| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (= main_~x~0.base main_~head~0.base)))), 54601#(and (= main_~head~0.offset 0) (or (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) 1) (<= 0 main_~x~0.offset) (= (select |#valid| main_~head~0.base) 1) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base) (= (select |#length| main_~x~0.base) 16)) (and (or (= main_~x~0.offset 0) (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (<= 0 main_~x~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#length| main_~x~0.base) 16))) (= (select |#valid| main_~x~0.base) 1)), 54602#(and (or (and (<= (+ main_~x~0.offset 16) (select |#length| main_~x~0.base)) (<= 0 main_~x~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#length| main_~x~0.base) 16)) (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) 1) (= main_~head~0.offset main_~x~0.offset) (= (select |#valid| main_~head~0.base) 1) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12))) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base) (= (select |#length| main_~x~0.base) 16))) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 54603#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (= 0 |main_#t~malloc6.offset|) (= main_~head~0.offset 0) (or (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) 1) (not (= main_~head~0.base |main_#t~malloc6.base|)) (= main_~head~0.offset main_~x~0.offset) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12))) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)) (and (<= main_~x~0.offset 0) (<= 0 main_~x~0.offset) (= main_~x~0.base main_~head~0.base)))), 54604#(and (or (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) 1) (= 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))) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12))) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)) (and (<= main_~x~0.offset 0) (<= 0 main_~x~0.offset) (= main_~x~0.base main_~head~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_~x~0.offset)) (= main_~head~0.offset 0)), 54605#(and (or (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) 1) (= 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))) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12))) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)) (and (<= main_~x~0.offset 0) (<= 0 main_~x~0.offset) (= main_~x~0.base main_~head~0.base))) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0)), 54606#(and (= 0 |main_#t~mem8.offset|) (or (and (<= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) 1) (not (= main_~head~0.base |main_#t~mem8.base|)) (<= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12)))) (and (not (= main_~head~0.base |main_#t~mem8.base|)) (or (= (select (select |#memory_$Pointer$.base| main_~head~0.base) |main_#t~mem8.offset|) |main_#t~mem8.base|) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) 0)))) (= main_~head~0.offset 0)), 54607#(and (or (and (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)) (and (<= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12))) (<= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base main_~head~0.base)))) (= main_~x~0.offset 0) (= main_~head~0.offset 0)), 54608#(and (or (and (<= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12))) (<= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (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)) (+ main_~head~0.offset 8))))) (= main_~head~0.offset 0)), 54609#(or (and (= (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 8))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12)) (select (select |#memory_int| (select (select |#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)))), 54610#(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_~x~0.base) main_~x~0.offset)) (+ 0 8))) (and (= main_~x~0.offset 0) (= 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))) (and (= |main_#t~mem13| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12))) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12)) (select (select |#memory_int| (select (select |#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))))), 54611#(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_~x~0.base) main_~x~0.offset)) (+ 0 8))) (and (= main_~x~0.offset 0) (= 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))) |main_#t~short15| (and (not (= 2 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12)))) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12)) (select (select |#memory_int| (select (select |#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))))), 54612#(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_~x~0.base) main_~x~0.offset)) (+ 0 8))) (and (= main_~x~0.offset 0) (= 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))) (and (not (= 2 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12)))) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12)) (select (select |#memory_int| (select (select |#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))))), 54613#(or (and (not (= 2 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12)))) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12)) (select (select |#memory_int| (select (select |#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)))) (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_~x~0.base) main_~x~0.offset)) (+ 0 8))) (and (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))) (= main_~x~0.offset 0) (= 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)))), 54614#(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_~x~0.base) main_~x~0.offset)) (+ 0 8))) (not |main_#t~short20|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (and (not (= 2 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12)))) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12)) (select (select |#memory_int| (select (select |#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))))), 54615#(or (and (not (= 2 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12)))) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12)) (select (select |#memory_int| (select (select |#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)))) (and (= (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 8))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 54616#(or (and (= 0 |main_#t~mem21.offset|) (= |main_#t~mem21.base| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) (+ 0 8)))) (not (= 2 (select (select |#memory_int| |main_#t~mem21.base|) (+ |main_#t~mem21.offset| 12))))), 54617#(or (not (= 2 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12)))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))), 54618#(and (or (not (= 2 |main_#t~mem13|)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= 1 (select |#valid| main_~x~0.base))), 54619#(and (= 1 (select |#valid| main_~x~0.base)) (or (not |main_#t~short15|) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))))), 54620#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))), 54621#(and (= 1 (select |#valid| main_~x~0.base)) (= |main_#t~mem14.base| main_~x~0.base) (= |main_#t~mem14.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))), 54622#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))), 54623#(= 1 (select |#valid| |main_#t~mem16.base|)), 54588#true, 54589#false, 54590#(and (= |main_#t~malloc0.offset| 0) (= (select |#length| |main_#t~malloc0.base|) 16)), 54591#(and (= (select |#length| main_~head~0.base) 16) (= main_~head~0.offset 0))] [2018-04-10 15:18:10,666 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:18:10,667 INFO L442 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-04-10 15:18:10,667 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-04-10 15:18:10,667 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=1126, Unknown=0, NotChecked=0, Total=1260 [2018-04-10 15:18:10,667 INFO L87 Difference]: Start difference. First operand 830 states and 956 transitions. Second operand 36 states. [2018-04-10 15:18:13,892 WARN L151 SmtUtils]: Spent 109ms on a formula simplification. DAG size of input: 109 DAG size of output 92 [2018-04-10 15:18:16,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:18:16,623 INFO L93 Difference]: Finished difference Result 1421 states and 1590 transitions. [2018-04-10 15:18:16,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2018-04-10 15:18:16,623 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 79 [2018-04-10 15:18:16,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:18:16,626 INFO L225 Difference]: With dead ends: 1421 [2018-04-10 15:18:16,626 INFO L226 Difference]: Without dead ends: 1421 [2018-04-10 15:18:16,627 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4763 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=2207, Invalid=12555, Unknown=0, NotChecked=0, Total=14762 [2018-04-10 15:18:16,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1421 states. [2018-04-10 15:18:16,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1421 to 897. [2018-04-10 15:18:16,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 897 states. [2018-04-10 15:18:16,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 897 states and 1033 transitions. [2018-04-10 15:18:16,636 INFO L78 Accepts]: Start accepts. Automaton has 897 states and 1033 transitions. Word has length 79 [2018-04-10 15:18:16,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:18:16,636 INFO L459 AbstractCegarLoop]: Abstraction has 897 states and 1033 transitions. [2018-04-10 15:18:16,636 INFO L460 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-04-10 15:18:16,636 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 1033 transitions. [2018-04-10 15:18:16,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-04-10 15:18:16,636 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:18:16,637 INFO L355 BasicCegarLoop]: trace histogram [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] [2018-04-10 15:18:16,637 INFO L408 AbstractCegarLoop]: === Iteration 57 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:18:16,637 INFO L82 PathProgramCache]: Analyzing trace with hash 725113568, now seen corresponding path program 2 times [2018-04-10 15:18:16,638 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:18:16,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:18:16,650 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:18:17,756 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:18:17,756 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:18:17,756 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-04-10 15:18:17,756 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:18:17,757 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 15:18:17,757 INFO L182 omatonBuilderFactory]: Interpolants [57114#true, 57115#false, 57116#(= |main_#t~malloc0.offset| 0), 57117#(= main_~head~0.offset 0), 57118#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 57119#(and (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) 1) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 57120#(and (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) 1) (= 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)), 57121#(and (= 0 |main_#t~malloc6.offset|) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) 1) (not (= main_~head~0.base |main_#t~malloc6.base|)) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 57122#(and (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) 1) (= 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 main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 57123#(and (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) 1) (= main_~x~0.offset 0) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 57124#(and (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) 1) (not (= main_~head~0.base |main_#t~mem8.base|)) (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 |main_#t~mem8.offset|) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 57125#(and (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) 1) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= (select |#valid| main_~head~0.base) 1) (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)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)), 57126#(and (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) 1) (= main_~head~0.offset main_~x~0.offset) (= (select |#valid| main_~head~0.base) 1) (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)) (= (select |#valid| main_~x~0.base) 1) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)), 57127#(and (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) 1) (= main_~head~0.offset main_~x~0.offset) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)), 57128#(and (= main_~head~0.offset |main_#t~malloc6.offset|) (not (= main_~x~0.base |main_#t~malloc6.base|)) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) 1) (not (= main_~head~0.base |main_#t~malloc6.base|)) (= main_~head~0.offset main_~x~0.offset) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)), 57129#(and (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) 1) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 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) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)), 57130#(and (not (= |main_#t~mem7.base| main_~head~0.base)) (not (= main_~head~0.base main_~x~0.base)) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) 1) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset main_~x~0.offset) (not (= main_~x~0.base |main_#t~mem7.base|)) (= main_~head~0.offset 0) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)), 57131#(and (not (= main_~head~0.base main_~x~0.base)) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) 1) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset main_~x~0.offset) (= main_~head~0.offset 0) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)), 57132#(and (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) 1) (= main_~head~0.offset |main_#t~mem8.offset|) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 57133#(and (= main_~head~0.offset 0) (or (and (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (or (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) 1) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) (select (select |#memory_int| main_~x~0.base) (+ main_~head~0.offset 12)))) (and (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))))) (<= (+ main_~x~0.offset 1) 0) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)))), 57134#(and (or (and (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (or (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) 1) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) (select (select |#memory_int| main_~x~0.base) (+ main_~head~0.offset 12)))) (and (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| 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) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12))) (= 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)), 57135#(and (= main_~head~0.offset 0) (or (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)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (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_~head~0.offset)) (+ main_~head~0.offset 12))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (and (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 57136#(and (or (and (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= 0 (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 (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~head~0.offset 0)), 57137#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 12))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 12))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 57138#(or (and (= |main_#t~mem13| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12))) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 12))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 12))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 57139#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) |main_#t~short15| (and (not (= 2 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12)))) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 12))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 12))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 57140#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (not (= 2 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12)))) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 12))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 12))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 57141#(or (and (= 0 |main_#t~mem21.offset|) (not (= 2 (select (select |#memory_int| |main_#t~mem21.base|) (+ 0 12))))) (and (= 0 |main_#t~mem21.offset|) (= 0 |main_#t~mem21.base|))), 57142#(or (and (not (= 2 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12)))) (= 0 main_~x~0.offset)) (and (= 0 main_~x~0.base) (= 0 main_~x~0.offset))), 57143#(and (not (= 2 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12)))) (= main_~x~0.offset 0)), 57144#(and (not (= 2 |main_#t~mem13|)) (= main_~x~0.offset 0)), 57145#(not |main_#t~short15|)] [2018-04-10 15:18:17,757 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:18:17,757 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-04-10 15:18:17,757 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-04-10 15:18:17,757 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=838, Unknown=0, NotChecked=0, Total=992 [2018-04-10 15:18:17,758 INFO L87 Difference]: Start difference. First operand 897 states and 1033 transitions. Second operand 32 states. [2018-04-10 15:18:19,202 WARN L151 SmtUtils]: Spent 112ms on a formula simplification. DAG size of input: 74 DAG size of output 63 [2018-04-10 15:18:20,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:18:20,592 INFO L93 Difference]: Finished difference Result 1366 states and 1534 transitions. [2018-04-10 15:18:20,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2018-04-10 15:18:20,593 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 79 [2018-04-10 15:18:20,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:18:20,594 INFO L225 Difference]: With dead ends: 1366 [2018-04-10 15:18:20,594 INFO L226 Difference]: Without dead ends: 1366 [2018-04-10 15:18:20,595 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2131 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=1348, Invalid=6134, Unknown=0, NotChecked=0, Total=7482 [2018-04-10 15:18:20,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1366 states. [2018-04-10 15:18:20,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1366 to 946. [2018-04-10 15:18:20,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 946 states. [2018-04-10 15:18:20,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 946 states and 1084 transitions. [2018-04-10 15:18:20,605 INFO L78 Accepts]: Start accepts. Automaton has 946 states and 1084 transitions. Word has length 79 [2018-04-10 15:18:20,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:18:20,606 INFO L459 AbstractCegarLoop]: Abstraction has 946 states and 1084 transitions. [2018-04-10 15:18:20,606 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-04-10 15:18:20,606 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states and 1084 transitions. [2018-04-10 15:18:20,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-04-10 15:18:20,607 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:18:20,607 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] [2018-04-10 15:18:20,607 INFO L408 AbstractCegarLoop]: === Iteration 58 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:18:20,607 INFO L82 PathProgramCache]: Analyzing trace with hash 968514024, now seen corresponding path program 1 times [2018-04-10 15:18:20,608 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:18:20,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:18:20,631 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:18:21,795 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:18:21,796 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:18:21,796 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-04-10 15:18:21,796 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:18:21,796 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 15:18:21,796 INFO L182 omatonBuilderFactory]: Interpolants [59584#(and (not (= |main_#t~mem7.base| main_~head~0.base)) (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12))) (not (= main_~head~0.base main_~x~0.base)) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset main_~x~0.offset) (not (= main_~x~0.base |main_#t~mem7.base|)) (= main_~head~0.offset 0) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)), 59585#(and (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12))) (not (= main_~head~0.base main_~x~0.base)) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset main_~x~0.offset) (= main_~head~0.offset 0) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)), 59586#(and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12))) (= main_~head~0.offset |main_#t~mem8.offset|) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 59587#(and (= main_~head~0.offset 0) (or (<= (+ main_~x~0.offset 1) 0) (and (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12))) (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)))), 59588#(and (or (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)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12))) (= 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)), 59589#(and (or (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)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (or (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12))) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12)))) (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) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~head~0.offset 0)), 59590#(and (or (and (or (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12))) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= 0 (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 (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~head~0.offset 0)), 59591#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (or (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 12))) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 12)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 12))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 59592#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (or (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 12))) (and (= |main_#t~mem13| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12))) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 12))))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 12))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 59593#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) |main_#t~short15| (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 12))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (and (or (and (not (= 2 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12)))) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 12)))) (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 12)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 59594#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 12))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (and (or (and (not (= 2 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12)))) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 12)))) (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 12)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 59595#(or (and (= 0 |main_#t~mem21.offset|) (not (= 2 (select (select |#memory_int| |main_#t~mem21.base|) (+ 0 12))))) (and (= 0 |main_#t~mem21.offset|) (= 0 |main_#t~mem21.base|))), 59596#(or (and (not (= 2 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12)))) (= 0 main_~x~0.offset)) (and (= 0 main_~x~0.base) (= 0 main_~x~0.offset))), 59597#(and (not (= 2 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12)))) (= main_~x~0.offset 0)), 59598#(and (not (= 2 |main_#t~mem13|)) (= main_~x~0.offset 0)), 59599#(not |main_#t~short15|), 59568#true, 59569#false, 59570#(= |main_#t~malloc0.offset| 0), 59571#(= main_~head~0.offset 0), 59572#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 59573#(and (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) 1) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 59574#(and (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) 1) (= 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)), 59575#(and (= 0 |main_#t~malloc6.offset|) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) 1) (not (= main_~head~0.base |main_#t~malloc6.base|)) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 59576#(and (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) 1) (= 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 main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 59577#(and (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) 1) (= main_~x~0.offset 0) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 59578#(and (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) 1) (not (= main_~head~0.base |main_#t~mem8.base|)) (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 |main_#t~mem8.offset|) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 59579#(and (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) 1) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= (select |#valid| main_~head~0.base) 1) (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)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)), 59580#(and (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) 1) (= main_~head~0.offset main_~x~0.offset) (= (select |#valid| main_~head~0.base) 1) (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)) (= (select |#valid| main_~x~0.base) 1) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)), 59581#(and (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12))) (= main_~head~0.offset main_~x~0.offset) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)), 59582#(and (= main_~head~0.offset |main_#t~malloc6.offset|) (not (= main_~x~0.base |main_#t~malloc6.base|)) (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12))) (not (= main_~head~0.base |main_#t~malloc6.base|)) (= main_~head~0.offset main_~x~0.offset) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)), 59583#(and (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 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) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base))] [2018-04-10 15:18:21,796 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:18:21,796 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-04-10 15:18:21,796 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-04-10 15:18:21,797 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=838, Unknown=0, NotChecked=0, Total=992 [2018-04-10 15:18:21,797 INFO L87 Difference]: Start difference. First operand 946 states and 1084 transitions. Second operand 32 states. [2018-04-10 15:18:25,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:18:25,808 INFO L93 Difference]: Finished difference Result 1426 states and 1596 transitions. [2018-04-10 15:18:25,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2018-04-10 15:18:25,808 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 79 [2018-04-10 15:18:25,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:18:25,809 INFO L225 Difference]: With dead ends: 1426 [2018-04-10 15:18:25,809 INFO L226 Difference]: Without dead ends: 1426 [2018-04-10 15:18:25,810 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3425 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=1937, Invalid=8775, Unknown=0, NotChecked=0, Total=10712 [2018-04-10 15:18:25,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1426 states. [2018-04-10 15:18:25,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1426 to 919. [2018-04-10 15:18:25,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 919 states. [2018-04-10 15:18:25,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 919 states and 1053 transitions. [2018-04-10 15:18:25,820 INFO L78 Accepts]: Start accepts. Automaton has 919 states and 1053 transitions. Word has length 79 [2018-04-10 15:18:25,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:18:25,820 INFO L459 AbstractCegarLoop]: Abstraction has 919 states and 1053 transitions. [2018-04-10 15:18:25,820 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-04-10 15:18:25,820 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1053 transitions. [2018-04-10 15:18:25,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-04-10 15:18:25,821 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:18:25,821 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] [2018-04-10 15:18:25,821 INFO L408 AbstractCegarLoop]: === Iteration 59 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:18:25,821 INFO L82 PathProgramCache]: Analyzing trace with hash -785692185, now seen corresponding path program 1 times [2018-04-10 15:18:25,822 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:18:25,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:18:25,839 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:18:26,377 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:18:26,377 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:18:26,377 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-04-10 15:18:26,377 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:18:26,378 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 15:18:26,378 INFO L182 omatonBuilderFactory]: Interpolants [62089#true, 62090#false, 62091#(= 0 |main_#t~malloc0.offset|), 62092#(= main_~head~0.offset 0), 62093#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 62094#(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)), 62095#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (= 0 |main_#t~malloc6.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 62096#(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) (= 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) (= (select |#valid| main_~x~0.base) 1)), 62097#(and (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 62098#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem8.base|) (not (= main_~head~0.base |main_#t~mem8.base|)) (= 0 |main_#t~mem8.offset|) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 62099#(and (or (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset 0) (= (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))) (< main_~x~0.offset main_~head~0.offset)) (= main_~head~0.offset 0)), 62100#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset 0) (= (select |#valid| main_~head~0.base) 1) (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)) (= (select |#valid| main_~x~0.base) 1)), 62101#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset 0) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (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)) (= (select |#valid| main_~x~0.base) 1)), 62102#(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~malloc6.base|)) (not (= main_~head~0.base |main_#t~malloc6.base|)) (= main_~x~0.offset 0) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))) (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))), 62103#(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))) (= main_~x~0.offset 0) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))) (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 |#valid| main_~x~0.base) 1)), 62104#(and (not (= |main_#t~mem7.base| main_~head~0.base)) (= 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))) (= main_~x~0.offset 0) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem7.base|)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 62105#(and (not (= main_~head~0.base |main_#t~mem8.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem8.base|)) (= main_~head~0.offset 0) (= 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)) (+ main_~head~0.offset 8))))), 62106#(and (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_~head~0.offset 0) (= 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)) (+ main_~head~0.offset 8))))), 62107#(and (= main_~head~0.offset 0) (= 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)) (+ main_~head~0.offset 8))))), 62108#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (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))), 62109#(and (= 0 |main_#t~mem21.offset|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) (+ 0 8))))), 62110#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))), 62111#(= 1 (select |#valid| |main_#t~mem16.base|))] [2018-04-10 15:18:26,378 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:18:26,378 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-10 15:18:26,378 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-10 15:18:26,378 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=427, Unknown=0, NotChecked=0, Total=506 [2018-04-10 15:18:26,378 INFO L87 Difference]: Start difference. First operand 919 states and 1053 transitions. Second operand 23 states. [2018-04-10 15:18:27,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:18:27,497 INFO L93 Difference]: Finished difference Result 1274 states and 1451 transitions. [2018-04-10 15:18:27,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-04-10 15:18:27,497 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 79 [2018-04-10 15:18:27,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:18:27,498 INFO L225 Difference]: With dead ends: 1274 [2018-04-10 15:18:27,498 INFO L226 Difference]: Without dead ends: 1274 [2018-04-10 15:18:27,498 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 5 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 580 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=458, Invalid=2194, Unknown=0, NotChecked=0, Total=2652 [2018-04-10 15:18:27,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1274 states. [2018-04-10 15:18:27,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1274 to 1010. [2018-04-10 15:18:27,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1010 states. [2018-04-10 15:18:27,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 1010 states and 1160 transitions. [2018-04-10 15:18:27,503 INFO L78 Accepts]: Start accepts. Automaton has 1010 states and 1160 transitions. Word has length 79 [2018-04-10 15:18:27,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:18:27,503 INFO L459 AbstractCegarLoop]: Abstraction has 1010 states and 1160 transitions. [2018-04-10 15:18:27,503 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-10 15:18:27,504 INFO L276 IsEmpty]: Start isEmpty. Operand 1010 states and 1160 transitions. [2018-04-10 15:18:27,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-04-10 15:18:27,504 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:18:27,504 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] [2018-04-10 15:18:27,504 INFO L408 AbstractCegarLoop]: === Iteration 60 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:18:27,504 INFO L82 PathProgramCache]: Analyzing trace with hash -785692184, now seen corresponding path program 2 times [2018-04-10 15:18:27,505 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:18:27,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:18:27,513 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:18:28,051 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:18:28,051 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:18:28,051 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-04-10 15:18:28,052 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:18:28,052 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 15:18:28,052 INFO L182 omatonBuilderFactory]: Interpolants [64454#true, 64455#false, 64456#(= 0 |main_#t~malloc0.offset|), 64457#(= main_~head~0.offset 0), 64458#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 64459#(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)), 64460#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (= 0 |main_#t~malloc6.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 64461#(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) (= 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) (= (select |#valid| main_~x~0.base) 1)), 64462#(and (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 64463#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem8.base|) (not (= main_~head~0.base |main_#t~mem8.base|)) (= 0 |main_#t~mem8.offset|) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 64464#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset 0) (= (select |#valid| main_~head~0.base) 1) (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))), 64465#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset 0) (= (select |#valid| main_~head~0.base) 1) (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)) (= (select |#valid| main_~x~0.base) 1)), 64466#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset 0) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 64467#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc6.base|)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 64468#(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))) (= main_~x~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_int| main_~x~0.base) (+ main_~x~0.offset 12))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 64469#(and (not (= |main_#t~mem7.base| main_~head~0.base)) (= 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))) (= main_~x~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_int| main_~x~0.base) (+ main_~x~0.offset 12))) (not (= main_~x~0.base |main_#t~mem7.base|)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 64470#(and (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12))) (not (= main_~head~0.base |main_#t~mem8.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem8.base|)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 64471#(and (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12))) (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_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 64472#(and (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12))) (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))), 64473#(and (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 64474#(and (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 12))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 64475#(and (= 0 |main_#t~mem21.offset|) (= 0 (select (select |#memory_int| |main_#t~mem21.base|) (+ 0 12)))), 64476#(and (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12))) (= 0 main_~x~0.offset)), 64477#(and (= main_~x~0.offset 0) (= 0 |main_#t~mem13|)), 64478#(and (not |main_#t~short15|) (= main_~x~0.offset 0))] [2018-04-10 15:18:28,052 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:18:28,052 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-04-10 15:18:28,052 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-04-10 15:18:28,052 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=507, Unknown=0, NotChecked=0, Total=600 [2018-04-10 15:18:28,052 INFO L87 Difference]: Start difference. First operand 1010 states and 1160 transitions. Second operand 25 states. [2018-04-10 15:18:29,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:18:29,443 INFO L93 Difference]: Finished difference Result 1385 states and 1571 transitions. [2018-04-10 15:18:29,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-04-10 15:18:29,443 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 79 [2018-04-10 15:18:29,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:18:29,445 INFO L225 Difference]: With dead ends: 1385 [2018-04-10 15:18:29,446 INFO L226 Difference]: Without dead ends: 1385 [2018-04-10 15:18:29,446 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 4 SyntacticMatches, 5 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 663 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=506, Invalid=2464, Unknown=0, NotChecked=0, Total=2970 [2018-04-10 15:18:29,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1385 states. [2018-04-10 15:18:29,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1385 to 1086. [2018-04-10 15:18:29,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1086 states. [2018-04-10 15:18:29,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 1086 states and 1246 transitions. [2018-04-10 15:18:29,456 INFO L78 Accepts]: Start accepts. Automaton has 1086 states and 1246 transitions. Word has length 79 [2018-04-10 15:18:29,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:18:29,456 INFO L459 AbstractCegarLoop]: Abstraction has 1086 states and 1246 transitions. [2018-04-10 15:18:29,457 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-04-10 15:18:29,457 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 1246 transitions. [2018-04-10 15:18:29,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-04-10 15:18:29,458 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:18:29,458 INFO L355 BasicCegarLoop]: trace histogram [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] [2018-04-10 15:18:29,458 INFO L408 AbstractCegarLoop]: === Iteration 61 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:18:29,458 INFO L82 PathProgramCache]: Analyzing trace with hash 1043356888, now seen corresponding path program 1 times [2018-04-10 15:18:29,459 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:18:29,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:18:29,475 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:18:30,408 WARN L151 SmtUtils]: Spent 101ms on a formula simplification. DAG size of input: 86 DAG size of output 53 [2018-04-10 15:18:30,662 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:18:30,662 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:18:30,662 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-04-10 15:18:30,662 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:18:30,663 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 15:18:30,663 INFO L182 omatonBuilderFactory]: Interpolants [67011#false, 67010#true, 67013#(and (= 16 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0)), 67012#(and (= 16 (select |#length| |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 67015#(and (= main_~x~0.offset 0) (= 16 (select |#length| main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 67014#(and (= 1 (select |#valid| main_~head~0.base)) (= 16 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0)), 67017#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset 0) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 16 (select |#length| main_~head~0.base)) (= 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) (= (select |#valid| main_~x~0.base) 1)), 67016#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (= 0 |main_#t~malloc6.offset|) (= main_~x~0.offset 0) (= 16 (select |#length| main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 16 (select |#length| |main_#t~malloc6.base|))), 67019#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 16) (= main_~x~0.offset 0) (= 16 (select |#length| main_~head~0.base)) (= 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) (= (select |#valid| main_~x~0.base) 1)), 67018#(and (= 16 (select |#length| |main_#t~mem7.base|)) (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.offset 0) (= 16 (select |#length| main_~head~0.base)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 67021#(and (<= (select |#length| main_~x~0.base) 16) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 16 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)), 67020#(and (not (= main_~head~0.base |main_#t~mem8.base|)) (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 |main_#t~mem8.offset|) (<= (select |#length| |main_#t~mem8.base|) 16) (= (select |#valid| main_~head~0.base) 1) (= 16 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 67023#(and (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12))) (= main_~head~0.offset main_~x~0.offset) (<= (select |#length| main_~x~0.base) 16) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 16 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)), 67022#(and (= main_~head~0.offset main_~x~0.offset) (<= (select |#length| main_~x~0.base) 16) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 16 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)), 67025#(and (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12))) (<= (select |#length| main_~x~0.base) 16) (= 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))) (= 16 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)), 67024#(and (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12))) (not (= main_~head~0.base |main_#t~malloc6.base|)) (= main_~head~0.offset main_~x~0.offset) (<= (select |#length| main_~x~0.base) 16) (not (= main_~x~0.base main_~head~0.base)) (= 16 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)), 67027#(and (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12))) (<= (select |#length| main_~x~0.base) 16) (= main_~head~0.offset main_~x~0.offset) (= 16 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)), 67026#(and (not (= |main_#t~mem7.base| main_~head~0.base)) (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12))) (<= (select |#length| main_~x~0.base) 16) (= main_~head~0.offset main_~x~0.offset) (= 16 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)), 67029#(and (or (and (or (and (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= 16 (select |#length| main_~head~0.base)) (= main_~x~0.base main_~head~0.base))) (or (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (or (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 16) (< main_~x~0.offset (+ main_~head~0.offset 1)))) (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))))) (<= (+ main_~x~0.offset 1) 0) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))) (= main_~head~0.offset 0)), 67028#(and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12))) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 16) (= 16 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 67031#(and (or (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12))) (<= main_~head~0.offset main_~x~0.offset) (or (and (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) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (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)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (= main_~head~0.offset 0)), 67030#(and (or (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)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (or (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (or (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 16) (< main_~x~0.offset (+ main_~head~0.offset 1)))) (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))))) (<= main_~head~0.offset main_~x~0.offset) (or (and (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) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (and (<= 1 main_~x~0.offset) (= (select |#length| main_~x~0.base) 16))))) (= main_~head~0.offset 0)), 67033#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 12))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 67032#(and (= main_~head~0.offset 0) (or (and (= 0 (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 (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 67035#(or (and (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12))) (= 0 main_~x~0.offset)) (and (= 0 main_~x~0.base) (= 0 main_~x~0.offset))), 67034#(or (and (= 0 |main_#t~mem21.offset|) (= 1 (select (select |#memory_int| |main_#t~mem21.base|) (+ 0 12)))) (and (= 0 |main_#t~mem21.offset|) (= 0 |main_#t~mem21.base|))), 67037#(and (= main_~x~0.offset 0) (= 1 |main_#t~mem13|)), 67036#(and (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12))) (= main_~x~0.offset 0)), 67038#(not |main_#t~short15|)] [2018-04-10 15:18:30,663 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:18:30,663 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-10 15:18:30,663 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-10 15:18:30,663 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=674, Unknown=0, NotChecked=0, Total=812 [2018-04-10 15:18:30,663 INFO L87 Difference]: Start difference. First operand 1086 states and 1246 transitions. Second operand 29 states. [2018-04-10 15:18:31,812 WARN L151 SmtUtils]: Spent 109ms on a formula simplification. DAG size of input: 81 DAG size of output 65 [2018-04-10 15:18:32,001 WARN L151 SmtUtils]: Spent 104ms on a formula simplification. DAG size of input: 70 DAG size of output 61 [2018-04-10 15:18:32,171 WARN L151 SmtUtils]: Spent 126ms on a formula simplification. DAG size of input: 80 DAG size of output 62 [2018-04-10 15:18:33,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:18:33,663 INFO L93 Difference]: Finished difference Result 1541 states and 1742 transitions. [2018-04-10 15:18:33,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2018-04-10 15:18:33,663 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 79 [2018-04-10 15:18:33,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:18:33,665 INFO L225 Difference]: With dead ends: 1541 [2018-04-10 15:18:33,665 INFO L226 Difference]: Without dead ends: 1541 [2018-04-10 15:18:33,665 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1716 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=1044, Invalid=4962, Unknown=0, NotChecked=0, Total=6006 [2018-04-10 15:18:33,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1541 states. [2018-04-10 15:18:33,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1541 to 1025. [2018-04-10 15:18:33,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1025 states. [2018-04-10 15:18:33,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 1025 states and 1180 transitions. [2018-04-10 15:18:33,675 INFO L78 Accepts]: Start accepts. Automaton has 1025 states and 1180 transitions. Word has length 79 [2018-04-10 15:18:33,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:18:33,675 INFO L459 AbstractCegarLoop]: Abstraction has 1025 states and 1180 transitions. [2018-04-10 15:18:33,675 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-10 15:18:33,675 INFO L276 IsEmpty]: Start isEmpty. Operand 1025 states and 1180 transitions. [2018-04-10 15:18:33,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-04-10 15:18:33,676 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:18:33,677 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] [2018-04-10 15:18:33,677 INFO L408 AbstractCegarLoop]: === Iteration 62 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:18:33,677 INFO L82 PathProgramCache]: Analyzing trace with hash 1286757344, now seen corresponding path program 1 times [2018-04-10 15:18:33,678 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:18:33,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:18:33,697 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:18:34,492 WARN L151 SmtUtils]: Spent 101ms on a formula simplification. DAG size of input: 74 DAG size of output 46 [2018-04-10 15:18:34,884 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:18:34,884 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:18:34,885 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-04-10 15:18:34,885 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:18:34,885 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 15:18:34,885 INFO L182 omatonBuilderFactory]: Interpolants [69703#true, 69705#(and (= 16 (select |#length| |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 69704#false, 69707#(and (= 1 (select |#valid| main_~head~0.base)) (= 16 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0)), 69706#(and (= 16 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0)), 69709#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (= 0 |main_#t~malloc6.offset|) (= main_~x~0.offset 0) (= 16 (select |#length| main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 16 (select |#length| |main_#t~malloc6.base|))), 69708#(and (= main_~x~0.offset 0) (= 16 (select |#length| main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 69711#(and (= 16 (select |#length| |main_#t~mem7.base|)) (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.offset 0) (= 16 (select |#length| main_~head~0.base)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 69710#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset 0) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 16 (select |#length| main_~head~0.base)) (= 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) (= (select |#valid| main_~x~0.base) 1)), 69713#(and (not (= main_~head~0.base |main_#t~mem8.base|)) (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 |main_#t~mem8.offset|) (<= (select |#length| |main_#t~mem8.base|) 16) (= (select |#valid| main_~head~0.base) 1) (= 16 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 69712#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 16) (= main_~x~0.offset 0) (= 16 (select |#length| main_~head~0.base)) (= 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) (= (select |#valid| main_~x~0.base) 1)), 69715#(and (= main_~head~0.offset main_~x~0.offset) (<= (select |#length| main_~x~0.base) 16) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 16 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)), 69714#(and (<= (select |#length| main_~x~0.base) 16) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 16 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)), 69717#(and (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12))) (not (= main_~head~0.base |main_#t~malloc6.base|)) (= main_~head~0.offset main_~x~0.offset) (<= (select |#length| main_~x~0.base) 16) (not (= main_~x~0.base main_~head~0.base)) (= 16 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)), 69716#(and (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12))) (= main_~head~0.offset main_~x~0.offset) (<= (select |#length| main_~x~0.base) 16) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 16 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)), 69719#(and (not (= |main_#t~mem7.base| main_~head~0.base)) (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12))) (<= (select |#length| main_~x~0.base) 16) (= main_~head~0.offset main_~x~0.offset) (= 16 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)), 69718#(and (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12))) (<= (select |#length| main_~x~0.base) 16) (= 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))) (= 16 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)), 69721#(and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12))) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 16) (= 16 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 69720#(and (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12))) (<= (select |#length| main_~x~0.base) 16) (= main_~head~0.offset main_~x~0.offset) (= 16 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)), 69723#(and (or (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)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (or (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (or (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 16) (< main_~x~0.offset (+ main_~head~0.offset 1)))) (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))))) (<= main_~head~0.offset main_~x~0.offset) (or (and (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) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (and (<= 1 main_~x~0.offset) (= (select |#length| main_~x~0.base) 16))))) (= main_~head~0.offset 0)), 69722#(and (or (and (or (and (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= 16 (select |#length| main_~head~0.base)) (= main_~x~0.base main_~head~0.base))) (or (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (or (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 16) (< main_~x~0.offset (+ main_~head~0.offset 1)))) (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))))) (<= (+ main_~x~0.offset 1) 0) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))) (= main_~head~0.offset 0)), 69725#(and (= main_~head~0.offset 0) (or (and (or (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12))) (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= 0 (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))))), 69724#(and (or (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)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (or (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12))) (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12))))) (<= main_~head~0.offset main_~x~0.offset) (or (and (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) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))) (= main_~head~0.offset 0)), 69727#(or (and (= 0 |main_#t~mem21.offset|) (or (= 0 (select (select |#memory_int| |main_#t~mem21.base|) (+ 0 12))) (= 1 (select (select |#memory_int| |main_#t~mem21.base|) (+ 0 12))))) (and (= 0 |main_#t~mem21.offset|) (= 0 |main_#t~mem21.base|))), 69726#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (or (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 12))) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 12)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 69729#(and (or (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12))) (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12)))) (= main_~x~0.offset 0)), 69728#(or (and (or (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12))) (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12)))) (= 0 main_~x~0.offset)) (and (= 0 main_~x~0.base) (= 0 main_~x~0.offset))), 69731#(not |main_#t~short15|), 69730#(and (or (= 1 |main_#t~mem13|) (= 0 |main_#t~mem13|)) (= main_~x~0.offset 0))] [2018-04-10 15:18:34,885 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:18:34,885 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-10 15:18:34,885 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-10 15:18:34,886 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=674, Unknown=0, NotChecked=0, Total=812 [2018-04-10 15:18:34,886 INFO L87 Difference]: Start difference. First operand 1025 states and 1180 transitions. Second operand 29 states. [2018-04-10 15:18:36,510 WARN L151 SmtUtils]: Spent 129ms on a formula simplification. DAG size of input: 85 DAG size of output 69 [2018-04-10 15:18:37,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:18:37,960 INFO L93 Difference]: Finished difference Result 1475 states and 1665 transitions. [2018-04-10 15:18:37,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2018-04-10 15:18:37,991 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 79 [2018-04-10 15:18:37,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:18:37,993 INFO L225 Difference]: With dead ends: 1475 [2018-04-10 15:18:37,994 INFO L226 Difference]: Without dead ends: 1475 [2018-04-10 15:18:37,994 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1874 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=1123, Invalid=5357, Unknown=0, NotChecked=0, Total=6480 [2018-04-10 15:18:37,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1475 states. [2018-04-10 15:18:37,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1475 to 905. [2018-04-10 15:18:37,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 905 states. [2018-04-10 15:18:38,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1039 transitions. [2018-04-10 15:18:38,000 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1039 transitions. Word has length 79 [2018-04-10 15:18:38,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:18:38,000 INFO L459 AbstractCegarLoop]: Abstraction has 905 states and 1039 transitions. [2018-04-10 15:18:38,000 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-10 15:18:38,000 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1039 transitions. [2018-04-10 15:18:38,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-04-10 15:18:38,001 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:18:38,001 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] [2018-04-10 15:18:38,001 INFO L408 AbstractCegarLoop]: === Iteration 63 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:18:38,001 INFO L82 PathProgramCache]: Analyzing trace with hash 1340862665, now seen corresponding path program 1 times [2018-04-10 15:18:38,001 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:18:38,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:18:38,011 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:18:38,873 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:18:38,873 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:18:38,873 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-04-10 15:18:38,873 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:18:38,873 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 15:18:38,874 INFO L182 omatonBuilderFactory]: Interpolants [72217#false, 72216#true, 72219#(= main_~head~0.offset 0), 72218#(= |main_#t~malloc0.offset| 0), 72221#(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)), 72220#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 72223#(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) (= 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) (= (select |#valid| main_~x~0.base) 1)), 72222#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (= 0 |main_#t~malloc6.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 72225#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem8.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem8.base|)) (= 0 |main_#t~mem8.offset|) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 72224#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 72227#(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_~head~0.offset main_~x~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)) (= (select |#valid| main_~x~0.base) 1)), 72226#(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 (+ main_~head~0.offset 1)) (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))), 72229#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset main_~x~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)) main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (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)) (= (select |#valid| main_~x~0.base) 1)), 72228#(and (= 1 (select |#valid| |main_#t~malloc10.base|)) (not (= main_~x~0.base |main_#t~malloc10.base|)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~malloc10.base| 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) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 72231#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset main_~x~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (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)) (= (select |#valid| main_~x~0.base) 1)), 72230#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))) (= main_~head~0.offset main_~x~0.offset) (not (= main_~x~0.base |main_#t~mem11.base|)) (not (= |main_#t~mem11.base| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (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)) (= (select |#valid| main_~x~0.base) 1)), 72233#(and (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)) (= main_~head~0.offset main_~x~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (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))) (= main_~head~0.offset 0)), 72232#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (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~malloc6.base|)) (= main_~head~0.offset main_~x~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| 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))) (and (= main_~head~0.offset |main_#t~malloc6.offset|) (= |main_#t~malloc6.base| main_~head~0.base))) (= main_~head~0.offset 0)), 72235#(and (or (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))) (= main_~head~0.offset main_~x~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (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))) (= main_~head~0.offset 0)), 72234#(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 (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset main_~x~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= |main_#t~mem7.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)))) (not (= main_~x~0.base |main_#t~mem7.base|)) (= main_~head~0.offset 0)), 72237#(and (or (and (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)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8))))) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))) (= main_~head~0.offset 0)), 72236#(and (or (and (not (= main_~head~0.base |main_#t~mem8.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem8.base|)) (= 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)) (+ main_~head~0.offset 8))))) (and (= |main_#t~mem8.base| main_~head~0.base) (= main_~head~0.offset |main_#t~mem8.offset|))) (= main_~head~0.offset 0)), 72239#(and (or (and (= 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)) (+ main_~head~0.offset 8))))) (and (= 0 (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_~head~0.offset 0)), 72238#(and (or (and (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)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8))))) (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)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (= main_~head~0.offset 0)), 72241#(or (and (= 0 |main_#t~mem21.offset|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) (+ 0 8))))) (and (= 0 |main_#t~mem21.offset|) (= 0 |main_#t~mem21.base|))), 72240#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) 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)) (+ 0 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 72243#(and (= main_~x~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))))), 72242#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= 0 main_~x~0.offset)) (and (= 0 main_~x~0.base) (= 0 main_~x~0.offset))), 72244#(= 1 (select |#valid| |main_#t~mem16.base|))] [2018-04-10 15:18:38,874 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:18:38,874 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-10 15:18:38,874 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-10 15:18:38,874 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=706, Unknown=0, NotChecked=0, Total=812 [2018-04-10 15:18:38,874 INFO L87 Difference]: Start difference. First operand 905 states and 1039 transitions. Second operand 29 states. [2018-04-10 15:18:41,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:18:41,270 INFO L93 Difference]: Finished difference Result 1215 states and 1387 transitions. [2018-04-10 15:18:41,270 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-04-10 15:18:41,270 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 82 [2018-04-10 15:18:41,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:18:41,272 INFO L225 Difference]: With dead ends: 1215 [2018-04-10 15:18:41,272 INFO L226 Difference]: Without dead ends: 1215 [2018-04-10 15:18:41,272 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 5 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1333 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=837, Invalid=4419, Unknown=0, NotChecked=0, Total=5256 [2018-04-10 15:18:41,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1215 states. [2018-04-10 15:18:41,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1215 to 976. [2018-04-10 15:18:41,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 976 states. [2018-04-10 15:18:41,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 976 states and 1123 transitions. [2018-04-10 15:18:41,279 INFO L78 Accepts]: Start accepts. Automaton has 976 states and 1123 transitions. Word has length 82 [2018-04-10 15:18:41,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:18:41,280 INFO L459 AbstractCegarLoop]: Abstraction has 976 states and 1123 transitions. [2018-04-10 15:18:41,280 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-10 15:18:41,280 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 1123 transitions. [2018-04-10 15:18:41,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-04-10 15:18:41,281 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:18:41,281 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] [2018-04-10 15:18:41,281 INFO L408 AbstractCegarLoop]: === Iteration 64 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:18:41,281 INFO L82 PathProgramCache]: Analyzing trace with hash 1340862666, now seen corresponding path program 1 times [2018-04-10 15:18:41,282 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:18:41,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:18:41,302 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:18:42,426 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:18:42,426 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:18:42,426 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-04-10 15:18:42,427 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:18:42,427 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 15:18:42,427 INFO L182 omatonBuilderFactory]: Interpolants [74525#false, 74524#true, 74527#(= main_~head~0.offset 0), 74526#(= |main_#t~malloc0.offset| 0), 74529#(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)), 74528#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 74531#(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) (= 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) (= (select |#valid| main_~x~0.base) 1)), 74530#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (= 0 |main_#t~malloc6.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 74533#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem8.base|) (not (= main_~head~0.base |main_#t~mem8.base|)) (= 0 |main_#t~mem8.offset|) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 74532#(and (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 74535#(and (= 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)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (<= 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)) (= (select |#valid| main_~x~0.base) 1)), 74534#(and (= 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)) (= (select |#valid| main_~head~0.base) 1) (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))), 74537#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= main_~head~0.offset main_~x~0.offset) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8)) 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 74536#(and (not (= main_~x~0.base |main_#t~malloc10.base|)) (= 16 (select |#length| |main_#t~malloc10.base|)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc10.base|)) (< main_~x~0.offset (+ main_~head~0.offset 1)) (not (= main_~x~0.base main_~head~0.base)) (= |main_#t~malloc10.offset| 0) (<= 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)) (= (select |#valid| |main_#t~malloc10.base|) 1)), 74539#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))) 1) (= main_~head~0.offset main_~x~0.offset) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8)) 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 74538#(and (= 16 (select |#length| |main_#t~mem11.base|)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))) 1) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))) (= main_~head~0.offset main_~x~0.offset) (not (= main_~x~0.base |main_#t~mem11.base|)) (not (= |main_#t~mem11.base| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8)) 0) (= (select |#valid| main_~x~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 74541#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset main_~x~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8)) 0) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 74540#(and (= main_~head~0.offset |main_#t~malloc6.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~malloc6.base|)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= main_~head~0.offset main_~x~0.offset) (not (= main_~x~0.base main_~head~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8)) 0) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 74543#(and (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)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8)) 0)) (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (or (= 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))) (= main_~head~0.offset main_~x~0.offset) (= main_~head~0.offset 0)), 74542#(and (or (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8)) 0)) (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (or (= 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))) (= main_~head~0.offset main_~x~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|)) (= main_~head~0.offset 0)), 74545#(and (or (= main_~head~0.base main_~x~0.base) (and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| 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)) (+ main_~head~0.offset 8)) 0))) (or (not (= main_~head~0.base main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset)) (= main_~head~0.offset 0) (or (= main_~head~0.base main_~x~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 74544#(and (or (and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8)) 0) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem8.base|))) (= main_~head~0.base |main_#t~mem8.base|)) (= main_~head~0.offset |main_#t~mem8.offset|) (= main_~head~0.offset 0) (or (= main_~head~0.base |main_#t~mem8.base|) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 74547#(and (or (and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8)) 0)) (= 0 (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))), 74546#(and (or (= main_~head~0.base main_~x~0.base) (and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| 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)) (+ main_~head~0.offset 8)) 0))) (or (not (= main_~head~0.base main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset)) (or (not (= main_~head~0.base main_~x~0.base)) (= 0 (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))), 74549#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem21.base|) (+ 0 8))) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) (+ 0 8))))) (= 0 |main_#t~mem21.base|)) (= 0 |main_#t~mem21.offset|)), 74548#(and (or (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 8)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 8)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 74551#(and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8))) (= main_~x~0.offset 0)), 74550#(and (or (= 0 main_~x~0.base) (and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8)) 0))) (= 0 main_~x~0.offset)), 74552#(and (= 16 (select |#length| |main_#t~mem16.base|)) (= |main_#t~mem16.offset| 0))] [2018-04-10 15:18:42,427 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:18:42,427 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-10 15:18:42,427 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-10 15:18:42,427 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=700, Unknown=0, NotChecked=0, Total=812 [2018-04-10 15:18:42,428 INFO L87 Difference]: Start difference. First operand 976 states and 1123 transitions. Second operand 29 states. [2018-04-10 15:18:44,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:18:44,826 INFO L93 Difference]: Finished difference Result 1179 states and 1345 transitions. [2018-04-10 15:18:44,826 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-04-10 15:18:44,826 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 82 [2018-04-10 15:18:44,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:18:44,827 INFO L225 Difference]: With dead ends: 1179 [2018-04-10 15:18:44,827 INFO L226 Difference]: Without dead ends: 1179 [2018-04-10 15:18:44,828 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1031 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=704, Invalid=3586, Unknown=0, NotChecked=0, Total=4290 [2018-04-10 15:18:44,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1179 states. [2018-04-10 15:18:44,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1179 to 976. [2018-04-10 15:18:44,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 976 states. [2018-04-10 15:18:44,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 976 states and 1121 transitions. [2018-04-10 15:18:44,833 INFO L78 Accepts]: Start accepts. Automaton has 976 states and 1121 transitions. Word has length 82 [2018-04-10 15:18:44,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:18:44,833 INFO L459 AbstractCegarLoop]: Abstraction has 976 states and 1121 transitions. [2018-04-10 15:18:44,834 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-10 15:18:44,834 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 1121 transitions. [2018-04-10 15:18:44,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-04-10 15:18:44,834 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:18:44,834 INFO L355 BasicCegarLoop]: trace histogram [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] [2018-04-10 15:18:44,834 INFO L408 AbstractCegarLoop]: === Iteration 65 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:18:44,835 INFO L82 PathProgramCache]: Analyzing trace with hash 540736505, now seen corresponding path program 1 times [2018-04-10 15:18:44,835 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:18:44,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:18:44,841 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:18:45,130 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 15:18:45,130 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:18:45,130 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-04-10 15:18:45,130 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:18:45,130 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 15:18:45,130 INFO L182 omatonBuilderFactory]: Interpolants [76801#(and (= 1 (select |#valid| (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))), 76800#(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)))), 76803#(and (not (= main_~head~0.base |main_#t~mem22.base|)) (= 1 (select |#valid| |main_#t~mem22.base|))), 76802#(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)))), 76805#(= 1 (select |#valid| main_~x~0.base)), 76804#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base))), 76783#false, 76782#true, 76785#(and (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0)), 76784#(and (not (= 0 |main_#t~malloc0.base|)) (= |main_#t~malloc0.offset| 0)), 76787#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 76786#(and (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0)), 76789#(and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= 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))), 76788#(and (= main_~head~0.offset |main_#t~malloc6.offset|) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc6.base| main_~x~0.base))), 76791#(and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 76790#(and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 76793#(and (or (not (= main_~head~0.base main_~x~0.base)) (and (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)))) (or (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~head~0.base main_~x~0.base))), 76792#(and (= main_~head~0.offset |main_#t~mem8.offset|) (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= 0 main_~head~0.base))), 76795#(not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 76794#(and (or (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~head~0.base main_~x~0.base)) (or (not (= main_~head~0.base main_~x~0.base)) (and (= main_~x~0.offset main_~head~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base))))), 76797#(and (not (= main_~head~0.base |main_#t~mem21.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem21.base|)), 76796#(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)), 76799#(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 (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~head~0.base))), 76798#(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) main_~head~0.base)))] [2018-04-10 15:18:45,130 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 15:18:45,131 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-04-10 15:18:45,131 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-04-10 15:18:45,131 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=477, Unknown=0, NotChecked=0, Total=552 [2018-04-10 15:18:45,131 INFO L87 Difference]: Start difference. First operand 976 states and 1121 transitions. Second operand 24 states. [2018-04-10 15:18:45,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:18:45,958 INFO L93 Difference]: Finished difference Result 1037 states and 1180 transitions. [2018-04-10 15:18:45,959 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-04-10 15:18:45,959 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 82 [2018-04-10 15:18:45,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:18:45,959 INFO L225 Difference]: With dead ends: 1037 [2018-04-10 15:18:45,960 INFO L226 Difference]: Without dead ends: 1037 [2018-04-10 15:18:45,960 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 437 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=446, Invalid=1716, Unknown=0, NotChecked=0, Total=2162 [2018-04-10 15:18:45,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1037 states. [2018-04-10 15:18:45,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1037 to 989. [2018-04-10 15:18:45,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 989 states. [2018-04-10 15:18:45,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 989 states to 989 states and 1136 transitions. [2018-04-10 15:18:45,964 INFO L78 Accepts]: Start accepts. Automaton has 989 states and 1136 transitions. Word has length 82 [2018-04-10 15:18:45,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:18:45,965 INFO L459 AbstractCegarLoop]: Abstraction has 989 states and 1136 transitions. [2018-04-10 15:18:45,965 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-04-10 15:18:45,965 INFO L276 IsEmpty]: Start isEmpty. Operand 989 states and 1136 transitions. [2018-04-10 15:18:45,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-04-10 15:18:45,965 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:18:45,965 INFO L355 BasicCegarLoop]: trace histogram [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] [2018-04-10 15:18:45,965 INFO L408 AbstractCegarLoop]: === Iteration 66 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:18:45,966 INFO L82 PathProgramCache]: Analyzing trace with hash 540736506, now seen corresponding path program 1 times [2018-04-10 15:18:45,966 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:18:45,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:18:45,971 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:18:46,039 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 15:18:46,040 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:18:46,040 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-04-10 15:18:46,040 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:18:46,040 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 15:18:46,040 INFO L182 omatonBuilderFactory]: Interpolants [78881#(and (= |main_#t~mem21.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem21.base|)), 78880#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 78883#(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 16) (select |#length| main_~x~0.base))), 78882#(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))), 78885#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 16) (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))), 78884#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 16) (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))), 78887#(and (<= (+ main_~x~0.offset 16) (select |#length| main_~x~0.base)) (<= 0 main_~x~0.offset)), 78886#(and (<= 0 |main_#t~mem22.offset|) (<= (+ |main_#t~mem22.offset| 16) (select |#length| |main_#t~mem22.base|))), 78879#false, 78878#true] [2018-04-10 15:18:46,040 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 15:18:46,040 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-10 15:18:46,040 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-10 15:18:46,041 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-04-10 15:18:46,041 INFO L87 Difference]: Start difference. First operand 989 states and 1136 transitions. Second operand 10 states. [2018-04-10 15:18:46,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:18:46,375 INFO L93 Difference]: Finished difference Result 1115 states and 1295 transitions. [2018-04-10 15:18:46,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-10 15:18:46,375 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 82 [2018-04-10 15:18:46,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:18:46,376 INFO L225 Difference]: With dead ends: 1115 [2018-04-10 15:18:46,376 INFO L226 Difference]: Without dead ends: 1115 [2018-04-10 15:18:46,376 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2018-04-10 15:18:46,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1115 states. [2018-04-10 15:18:46,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1115 to 995. [2018-04-10 15:18:46,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 995 states. [2018-04-10 15:18:46,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 995 states to 995 states and 1144 transitions. [2018-04-10 15:18:46,381 INFO L78 Accepts]: Start accepts. Automaton has 995 states and 1144 transitions. Word has length 82 [2018-04-10 15:18:46,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:18:46,381 INFO L459 AbstractCegarLoop]: Abstraction has 995 states and 1144 transitions. [2018-04-10 15:18:46,381 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-10 15:18:46,381 INFO L276 IsEmpty]: Start isEmpty. Operand 995 states and 1144 transitions. [2018-04-10 15:18:46,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-04-10 15:18:46,382 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:18:46,382 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] [2018-04-10 15:18:46,382 INFO L408 AbstractCegarLoop]: === Iteration 67 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:18:46,382 INFO L82 PathProgramCache]: Analyzing trace with hash 1035925311, now seen corresponding path program 2 times [2018-04-10 15:18:46,382 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:18:46,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:18:46,393 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:18:47,272 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:18:47,272 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:18:47,272 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-04-10 15:18:47,272 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:18:47,273 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 15:18:47,273 INFO L182 omatonBuilderFactory]: Interpolants [81025#(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))) (= 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)) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12)))), 81024#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc6.base|)) (= main_~head~0.offset main_~x~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)) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12)))), 81027#(and (not (= main_~head~0.base |main_#t~mem8.base|)) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem8.base|)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 81026#(and (= 0 main_~head~0.offset) (not (= |main_#t~mem7.base| main_~head~0.base)) (= 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))) (= 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))) (not (= main_~x~0.base |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12)))), 81029#(and (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12))) (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))), 81028#(and (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12))) (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_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 81031#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8)) main_~head~0.offset) (not (= main_~head~0.base main_~x~0.base)) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 81030#(and (= |main_#t~malloc10.offset| main_~head~0.offset) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12))) (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))), 81033#(and (or (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12)))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 81032#(and (or (and (= |main_#t~mem11.offset| main_~head~0.offset) (= |main_#t~mem11.base| main_~head~0.base)) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12)))) (= main_~head~0.offset 0) (or (and (not (= |main_#t~mem11.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= |main_#t~mem11.offset| main_~head~0.offset) (= |main_#t~mem11.base| main_~head~0.base)))), 81035#(and (or (and (= |main_#t~mem13| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12))) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 12)))) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 81034#(and (or (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 12))) (= 0 (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)) (= 0 main_~x~0.offset)), 81037#(and (or (and (not (= 2 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12)))) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 12)))) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 81036#(and (or (and (not (= 2 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12)))) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 12)))) |main_#t~short15| (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 81039#(and (or (= 0 main_~x~0.base) (not (= 2 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12))))) (= 0 main_~x~0.offset)), 81038#(and (= 0 |main_#t~mem21.offset|) (or (not (= 2 (select (select |#memory_int| |main_#t~mem21.base|) (+ 0 12)))) (= 0 |main_#t~mem21.base|))), 81041#(and (not (= 2 |main_#t~mem13|)) (= main_~x~0.offset 0)), 81040#(and (not (= 2 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12)))) (= main_~x~0.offset 0)), 81042#(and (not |main_#t~short15|) (= main_~x~0.offset 0)), 81011#false, 81010#true, 81013#(= main_~head~0.offset 0), 81012#(= 0 |main_#t~malloc0.offset|), 81015#(and (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) 1) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 81014#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 81017#(and (= 0 |main_#t~malloc6.offset|) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) 1) (not (= main_~head~0.base |main_#t~malloc6.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 81016#(and (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) 1) (= 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)), 81019#(and (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) 1) (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 81018#(and (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) 1) (= 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) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 81021#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (or (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) 1) (not (= main_~head~0.offset main_~x~0.offset))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= (select |#valid| main_~head~0.base) 1) (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))), 81020#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem8.base|) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) 1) (not (= main_~head~0.base |main_#t~mem8.base|)) (= 0 |main_#t~mem8.offset|) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 81023#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset main_~x~0.offset) (= (select |#valid| main_~head~0.base) 1) (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)) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12))) (= (select |#valid| main_~x~0.base) 1)), 81022#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) 1) (= main_~head~0.offset main_~x~0.offset) (= (select |#valid| main_~head~0.base) 1) (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)) (= (select |#valid| main_~x~0.base) 1))] [2018-04-10 15:18:47,273 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:18:47,273 INFO L442 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-04-10 15:18:47,273 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-04-10 15:18:47,273 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=927, Unknown=0, NotChecked=0, Total=1056 [2018-04-10 15:18:47,273 INFO L87 Difference]: Start difference. First operand 995 states and 1144 transitions. Second operand 33 states. [2018-04-10 15:18:49,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:18:49,380 INFO L93 Difference]: Finished difference Result 1491 states and 1678 transitions. [2018-04-10 15:18:49,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-04-10 15:18:49,380 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 82 [2018-04-10 15:18:49,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:18:49,381 INFO L225 Difference]: With dead ends: 1491 [2018-04-10 15:18:49,381 INFO L226 Difference]: Without dead ends: 1491 [2018-04-10 15:18:49,381 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 4 SyntacticMatches, 5 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1711 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=1085, Invalid=5235, Unknown=0, NotChecked=0, Total=6320 [2018-04-10 15:18:49,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1491 states. [2018-04-10 15:18:49,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1491 to 1031. [2018-04-10 15:18:49,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1031 states. [2018-04-10 15:18:49,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 1031 states and 1184 transitions. [2018-04-10 15:18:49,386 INFO L78 Accepts]: Start accepts. Automaton has 1031 states and 1184 transitions. Word has length 82 [2018-04-10 15:18:49,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:18:49,387 INFO L459 AbstractCegarLoop]: Abstraction has 1031 states and 1184 transitions. [2018-04-10 15:18:49,387 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-04-10 15:18:49,387 INFO L276 IsEmpty]: Start isEmpty. Operand 1031 states and 1184 transitions. [2018-04-10 15:18:49,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-04-10 15:18:49,387 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:18:49,387 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] [2018-04-10 15:18:49,387 INFO L408 AbstractCegarLoop]: === Iteration 68 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:18:49,387 INFO L82 PathProgramCache]: Analyzing trace with hash -415937737, now seen corresponding path program 1 times [2018-04-10 15:18:49,388 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:18:49,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:18:49,400 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:18:50,030 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:18:50,030 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:18:50,031 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-04-10 15:18:50,031 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:18:50,031 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 15:18:50,031 INFO L182 omatonBuilderFactory]: Interpolants [83659#true, 83661#(= 0 |main_#t~malloc0.offset|), 83660#false, 83663#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 83662#(= main_~head~0.offset 0), 83665#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (= 0 |main_#t~malloc6.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 16 (select |#length| |main_#t~malloc6.base|))), 83664#(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)), 83667#(and (= 16 (select |#length| |main_#t~mem7.base|)) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 83666#(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)) (= 16 (select |#length| (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) (= (select |#valid| main_~x~0.base) 1)), 83669#(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)) (or (< main_~x~0.offset (+ main_~head~0.offset 1)) (= 16 (select |#length| main_~x~0.base))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 83668#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem8.base|) (not (= main_~head~0.base |main_#t~mem8.base|)) (= (select |#valid| main_~head~0.base) 1) (= 16 (select |#length| |main_#t~mem8.base|)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 83671#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset main_~x~0.offset) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 83670#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (or (and (= 16 (select |#length| main_~x~0.base)) (<= main_~head~0.offset main_~x~0.offset)) (= main_~head~0.offset main_~x~0.offset)) (= (select |#valid| main_~head~0.base) 1) (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)) (= (select |#valid| main_~x~0.base) 1)), 83673#(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))) (= 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))) (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 83672#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc6.base|)) (= main_~head~0.offset main_~x~0.offset) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 83675#(and (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12))) (not (= main_~head~0.base |main_#t~mem8.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem8.base|)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 83674#(and (not (= |main_#t~mem7.base| main_~head~0.base)) (= 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))) (= 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))) (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12))) (not (= main_~x~0.base |main_#t~mem7.base|)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 83677#(and (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12))) (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))), 83676#(and (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12))) (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_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 83679#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8)) main_~head~0.offset) (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 83678#(and (= |main_#t~malloc10.offset| main_~head~0.offset) (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12))) (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))), 83681#(or (and (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= 0 (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)))), 83680#(or (and (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= |main_#t~mem11.offset| main_~head~0.offset) (= |main_#t~mem11.base| main_~head~0.base))), 83683#(or (and (= 0 |main_#t~mem21.offset|) (= 0 (select (select |#memory_int| |main_#t~mem21.base|) (+ 0 12)))) (and (= 0 |main_#t~mem21.offset|) (= 0 |main_#t~mem21.base|))), 83682#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 12))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 83685#(= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12))), 83684#(or (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12))) (and (= 0 main_~x~0.base) (= 0 main_~x~0.offset))), 83687#(not |main_#t~short15|), 83686#(= 0 |main_#t~mem13|)] [2018-04-10 15:18:50,031 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:18:50,031 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-10 15:18:50,031 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-10 15:18:50,031 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=702, Unknown=0, NotChecked=0, Total=812 [2018-04-10 15:18:50,031 INFO L87 Difference]: Start difference. First operand 1031 states and 1184 transitions. Second operand 29 states. [2018-04-10 15:18:52,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:18:52,128 INFO L93 Difference]: Finished difference Result 1575 states and 1784 transitions. [2018-04-10 15:18:52,128 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-04-10 15:18:52,128 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 82 [2018-04-10 15:18:52,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:18:52,129 INFO L225 Difference]: With dead ends: 1575 [2018-04-10 15:18:52,129 INFO L226 Difference]: Without dead ends: 1575 [2018-04-10 15:18:52,129 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1311 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=760, Invalid=4352, Unknown=0, NotChecked=0, Total=5112 [2018-04-10 15:18:52,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1575 states. [2018-04-10 15:18:52,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1575 to 1050. [2018-04-10 15:18:52,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1050 states. [2018-04-10 15:18:52,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1050 states to 1050 states and 1205 transitions. [2018-04-10 15:18:52,135 INFO L78 Accepts]: Start accepts. Automaton has 1050 states and 1205 transitions. Word has length 82 [2018-04-10 15:18:52,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:18:52,135 INFO L459 AbstractCegarLoop]: Abstraction has 1050 states and 1205 transitions. [2018-04-10 15:18:52,135 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-10 15:18:52,135 INFO L276 IsEmpty]: Start isEmpty. Operand 1050 states and 1205 transitions. [2018-04-10 15:18:52,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-04-10 15:18:52,136 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:18:52,136 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] [2018-04-10 15:18:52,136 INFO L408 AbstractCegarLoop]: === Iteration 69 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:18:52,136 INFO L82 PathProgramCache]: Analyzing trace with hash -1465118137, now seen corresponding path program 1 times [2018-04-10 15:18:52,137 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:18:52,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:18:52,151 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:18:52,806 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:18:52,806 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:18:52,807 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-04-10 15:18:52,807 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:18:52,807 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 15:18:52,807 INFO L182 omatonBuilderFactory]: Interpolants [86401#(= 0 |main_#t~malloc0.offset|), 86400#false, 86403#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 86402#(= main_~head~0.offset 0), 86405#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (= 0 |main_#t~malloc6.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 86404#(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)), 86407#(and (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 86406#(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) (= 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) (= (select |#valid| main_~x~0.base) 1)), 86409#(and (= 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)) (= (select |#valid| main_~head~0.base) 1) (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))), 86408#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem8.base|) (not (= main_~head~0.base |main_#t~mem8.base|)) (= 0 |main_#t~mem8.offset|) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 86411#(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_~x~0.offset 12))) (= main_~head~0.offset main_~x~0.offset) (= (select |#valid| main_~head~0.base) 1) (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)) (= (select |#valid| main_~x~0.base) 1)), 86410#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset main_~x~0.offset) (= (select |#valid| main_~head~0.base) 1) (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)) (= (select |#valid| main_~x~0.base) 1)), 86413#(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_~x~0.offset 12))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 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))), 86412#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (= 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_~x~0.offset 12))) (not (= main_~head~0.base |main_#t~malloc6.base|)) (= main_~head~0.offset main_~x~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))), 86415#(and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12))) (not (= main_~head~0.base |main_#t~mem8.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem8.base|)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 86414#(and (not (= |main_#t~mem7.base| main_~head~0.base)) (= 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_~x~0.offset 12))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 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))) (not (= main_~x~0.base |main_#t~mem7.base|)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 86417#(and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12))) (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))), 86416#(and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12))) (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_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 86419#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8)) main_~head~0.offset) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 86418#(and (= |main_#t~malloc10.offset| main_~head~0.offset) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12))) (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))), 86421#(and (or (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12))) (= 0 (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))), 86420#(and (or (and (= |main_#t~mem11.offset| main_~head~0.offset) (= |main_#t~mem11.base| main_~head~0.base)) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12)))) (= main_~head~0.offset 0) (or (and (not (= |main_#t~mem11.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= |main_#t~mem11.offset| main_~head~0.offset) (= |main_#t~mem11.base| main_~head~0.base)))), 86423#(and (= 0 |main_#t~mem21.offset|) (or (= 1 (select (select |#memory_int| |main_#t~mem21.base|) (+ 0 12))) (= 0 |main_#t~mem21.base|))), 86422#(and (or (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 12))) (= 0 (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))), 86425#(and (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12))) (= main_~x~0.offset 0)), 86424#(and (or (= 0 main_~x~0.base) (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12)))) (= 0 main_~x~0.offset)), 86427#(and (not |main_#t~short15|) (= main_~x~0.offset 0)), 86426#(and (= main_~x~0.offset 0) (= 1 |main_#t~mem13|)), 86399#true] [2018-04-10 15:18:52,807 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:18:52,807 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-10 15:18:52,807 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-10 15:18:52,807 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=700, Unknown=0, NotChecked=0, Total=812 [2018-04-10 15:18:52,808 INFO L87 Difference]: Start difference. First operand 1050 states and 1205 transitions. Second operand 29 states. [2018-04-10 15:18:54,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:18:54,488 INFO L93 Difference]: Finished difference Result 1470 states and 1667 transitions. [2018-04-10 15:18:54,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-04-10 15:18:54,488 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 82 [2018-04-10 15:18:54,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:18:54,489 INFO L225 Difference]: With dead ends: 1470 [2018-04-10 15:18:54,489 INFO L226 Difference]: Without dead ends: 1470 [2018-04-10 15:18:54,489 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1266 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=738, Invalid=4232, Unknown=0, NotChecked=0, Total=4970 [2018-04-10 15:18:54,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1470 states. [2018-04-10 15:18:54,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1470 to 962. [2018-04-10 15:18:54,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 962 states. [2018-04-10 15:18:54,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 962 states and 1102 transitions. [2018-04-10 15:18:54,493 INFO L78 Accepts]: Start accepts. Automaton has 962 states and 1102 transitions. Word has length 82 [2018-04-10 15:18:54,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:18:54,493 INFO L459 AbstractCegarLoop]: Abstraction has 962 states and 1102 transitions. [2018-04-10 15:18:54,493 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-10 15:18:54,493 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1102 transitions. [2018-04-10 15:18:54,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-04-10 15:18:54,494 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:18:54,494 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, 1, 1, 1] [2018-04-10 15:18:54,494 INFO L408 AbstractCegarLoop]: === Iteration 70 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:18:54,494 INFO L82 PathProgramCache]: Analyzing trace with hash -1915991729, now seen corresponding path program 1 times [2018-04-10 15:18:54,495 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:18:54,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:18:54,502 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:18:54,685 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:18:54,685 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:18:54,685 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-04-10 15:18:54,685 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:18:54,685 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 15:18:54,685 INFO L182 omatonBuilderFactory]: Interpolants [88961#(not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 88960#(not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 88963#(not (= 0 main_~x~0.base)), 88962#(not (= 0 |main_#t~mem21.base|)), 88945#false, 88944#true, 88947#(and (= main_~x~0.offset main_~head~0.offset) (= (select |#valid| main_~head~0.base) 1) (= main_~x~0.base main_~head~0.base)), 88946#(= (select |#valid| main_~head~0.base) 1), 88949#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 (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)), 88948#(and (not (= main_~head~0.base |main_#t~malloc6.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= 0 |main_#t~malloc6.base|))), 88951#(and (not (= main_~head~0.base |main_#t~mem8.base|)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1)), 88950#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= (select |#valid| main_~x~0.base) 1)), 88953#(and (not (= 0 (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)), 88952#(and (not (= 0 (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))), 88955#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 (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)))), 88954#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (not (= main_~head~0.base |main_#t~malloc6.base|)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 88957#(and (not (= 0 (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)))), 88956#(and (not (= |main_#t~mem7.base| main_~head~0.base)) (not (= 0 (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_~x~0.base |main_#t~mem7.base|))), 88959#(and (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 88958#(and (not (= main_~head~0.base |main_#t~mem8.base|)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))))] [2018-04-10 15:18:54,685 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:18:54,685 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-04-10 15:18:54,686 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-04-10 15:18:54,686 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2018-04-10 15:18:54,686 INFO L87 Difference]: Start difference. First operand 962 states and 1102 transitions. Second operand 20 states. [2018-04-10 15:18:55,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:18:55,233 INFO L93 Difference]: Finished difference Result 1313 states and 1498 transitions. [2018-04-10 15:18:55,233 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-04-10 15:18:55,233 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 83 [2018-04-10 15:18:55,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:18:55,234 INFO L225 Difference]: With dead ends: 1313 [2018-04-10 15:18:55,234 INFO L226 Difference]: Without dead ends: 1313 [2018-04-10 15:18:55,234 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=207, Invalid=849, Unknown=0, NotChecked=0, Total=1056 [2018-04-10 15:18:55,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1313 states. [2018-04-10 15:18:55,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1313 to 1094. [2018-04-10 15:18:55,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1094 states. [2018-04-10 15:18:55,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 1094 states and 1248 transitions. [2018-04-10 15:18:55,239 INFO L78 Accepts]: Start accepts. Automaton has 1094 states and 1248 transitions. Word has length 83 [2018-04-10 15:18:55,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:18:55,239 INFO L459 AbstractCegarLoop]: Abstraction has 1094 states and 1248 transitions. [2018-04-10 15:18:55,240 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-04-10 15:18:55,240 INFO L276 IsEmpty]: Start isEmpty. Operand 1094 states and 1248 transitions. [2018-04-10 15:18:55,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-04-10 15:18:55,240 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:18:55,240 INFO L355 BasicCegarLoop]: trace histogram [3, 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 15:18:55,240 INFO L408 AbstractCegarLoop]: === Iteration 71 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:18:55,240 INFO L82 PathProgramCache]: Analyzing trace with hash -417038315, now seen corresponding path program 2 times [2018-04-10 15:18:55,241 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:18:55,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:18:55,245 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:18:55,296 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 15:18:55,296 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:18:55,296 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-04-10 15:18:55,296 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:18:55,296 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 15:18:55,296 INFO L182 omatonBuilderFactory]: Interpolants [91397#true, 91399#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 91398#false, 91401#(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))), 91400#(and (= |main_#t~mem21.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem21.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 91403#(or (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 91402#(or (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 91405#(or (not (= 0 main_~x~0.offset)) (not (= 0 main_~x~0.base))), 91404#(or (not (= 0 |main_#t~mem22.base|)) (not (= 0 |main_#t~mem22.offset|)))] [2018-04-10 15:18:55,296 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 15:18:55,297 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-10 15:18:55,297 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-10 15:18:55,297 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-04-10 15:18:55,297 INFO L87 Difference]: Start difference. First operand 1094 states and 1248 transitions. Second operand 9 states. [2018-04-10 15:18:55,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:18:55,541 INFO L93 Difference]: Finished difference Result 1209 states and 1394 transitions. [2018-04-10 15:18:55,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-10 15:18:55,541 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 83 [2018-04-10 15:18:55,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:18:55,542 INFO L225 Difference]: With dead ends: 1209 [2018-04-10 15:18:55,542 INFO L226 Difference]: Without dead ends: 1209 [2018-04-10 15:18:55,542 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2018-04-10 15:18:55,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1209 states. [2018-04-10 15:18:55,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1209 to 1094. [2018-04-10 15:18:55,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1094 states. [2018-04-10 15:18:55,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 1094 states and 1246 transitions. [2018-04-10 15:18:55,549 INFO L78 Accepts]: Start accepts. Automaton has 1094 states and 1246 transitions. Word has length 83 [2018-04-10 15:18:55,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:18:55,549 INFO L459 AbstractCegarLoop]: Abstraction has 1094 states and 1246 transitions. [2018-04-10 15:18:55,549 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-10 15:18:55,549 INFO L276 IsEmpty]: Start isEmpty. Operand 1094 states and 1246 transitions. [2018-04-10 15:18:55,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-04-10 15:18:55,550 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:18:55,550 INFO L355 BasicCegarLoop]: trace histogram [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] [2018-04-10 15:18:55,550 INFO L408 AbstractCegarLoop]: === Iteration 72 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:18:55,550 INFO L82 PathProgramCache]: Analyzing trace with hash 439800482, now seen corresponding path program 1 times [2018-04-10 15:18:55,550 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:18:55,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:18:55,557 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:18:55,741 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 15:18:55,741 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:18:55,742 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-04-10 15:18:55,742 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:18:55,742 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 15:18:55,742 INFO L182 omatonBuilderFactory]: Interpolants [93729#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 93728#(and (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 93731#(and (= 1 (select |#valid| main_~x~0.base)) (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| 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)), 93730#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 0 main_~x~0.offset)), 93733#(and (= main_~head~0.offset main_~x~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 93732#(and (= main_~head~0.offset main_~x~0.offset) (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= main_~x~0.base main_~head~0.base)) (not |main_#t~short20|)) (= main_~head~0.offset 0)), 93735#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ 0 8)))) (= 0 main_~x~0.offset)), 93734#(and (= main_~head~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 93737#(= 1 (select |#valid| |main_#t~mem24.base|)), 93736#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))), 93723#true, 93725#(= 0 |main_#t~malloc0.offset|), 93724#false, 93727#(and (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 93726#(= main_~head~0.offset 0)] [2018-04-10 15:18:55,742 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 15:18:55,742 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-10 15:18:55,742 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-10 15:18:55,743 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2018-04-10 15:18:55,743 INFO L87 Difference]: Start difference. First operand 1094 states and 1246 transitions. Second operand 15 states. [2018-04-10 15:18:56,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:18:56,073 INFO L93 Difference]: Finished difference Result 1364 states and 1550 transitions. [2018-04-10 15:18:56,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-10 15:18:56,073 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 84 [2018-04-10 15:18:56,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:18:56,074 INFO L225 Difference]: With dead ends: 1364 [2018-04-10 15:18:56,074 INFO L226 Difference]: Without dead ends: 1364 [2018-04-10 15:18:56,074 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=134, Invalid=372, Unknown=0, NotChecked=0, Total=506 [2018-04-10 15:18:56,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1364 states. [2018-04-10 15:18:56,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1364 to 1330. [2018-04-10 15:18:56,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1330 states. [2018-04-10 15:18:56,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 1330 states and 1527 transitions. [2018-04-10 15:18:56,080 INFO L78 Accepts]: Start accepts. Automaton has 1330 states and 1527 transitions. Word has length 84 [2018-04-10 15:18:56,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:18:56,080 INFO L459 AbstractCegarLoop]: Abstraction has 1330 states and 1527 transitions. [2018-04-10 15:18:56,080 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-10 15:18:56,080 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 1527 transitions. [2018-04-10 15:18:56,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-04-10 15:18:56,081 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:18:56,081 INFO L355 BasicCegarLoop]: trace histogram [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] [2018-04-10 15:18:56,081 INFO L408 AbstractCegarLoop]: === Iteration 73 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:18:56,081 INFO L82 PathProgramCache]: Analyzing trace with hash -43255814, now seen corresponding path program 1 times [2018-04-10 15:18:56,081 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:18:56,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:18:56,086 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:18:56,098 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-04-10 15:18:56,098 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:18:56,098 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-10 15:18:56,098 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:18:56,098 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 15:18:56,098 INFO L182 omatonBuilderFactory]: Interpolants [96449#false, 96448#true, 96451#(= 1 (select |#valid| main_~head~0.base)), 96450#(= main_~x~0.base main_~head~0.base)] [2018-04-10 15:18:56,098 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-04-10 15:18:56,099 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-10 15:18:56,099 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-10 15:18:56,099 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-10 15:18:56,099 INFO L87 Difference]: Start difference. First operand 1330 states and 1527 transitions. Second operand 4 states. [2018-04-10 15:18:56,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:18:56,163 INFO L93 Difference]: Finished difference Result 1343 states and 1539 transitions. [2018-04-10 15:18:56,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-10 15:18:56,163 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 84 [2018-04-10 15:18:56,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:18:56,164 INFO L225 Difference]: With dead ends: 1343 [2018-04-10 15:18:56,164 INFO L226 Difference]: Without dead ends: 1343 [2018-04-10 15:18:56,164 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 15:18:56,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1343 states. [2018-04-10 15:18:56,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1343 to 1329. [2018-04-10 15:18:56,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1329 states. [2018-04-10 15:18:56,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1329 states to 1329 states and 1526 transitions. [2018-04-10 15:18:56,170 INFO L78 Accepts]: Start accepts. Automaton has 1329 states and 1526 transitions. Word has length 84 [2018-04-10 15:18:56,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:18:56,170 INFO L459 AbstractCegarLoop]: Abstraction has 1329 states and 1526 transitions. [2018-04-10 15:18:56,170 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-10 15:18:56,170 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states and 1526 transitions. [2018-04-10 15:18:56,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-04-10 15:18:56,171 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:18:56,171 INFO L355 BasicCegarLoop]: trace histogram [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] [2018-04-10 15:18:56,171 INFO L408 AbstractCegarLoop]: === Iteration 74 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:18:56,171 INFO L82 PathProgramCache]: Analyzing trace with hash -43255813, now seen corresponding path program 1 times [2018-04-10 15:18:56,171 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:18:56,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:18:56,177 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:18:56,330 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 15:18:56,330 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:18:56,330 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-04-10 15:18:56,331 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:18:56,331 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 15:18:56,331 INFO L182 omatonBuilderFactory]: Interpolants [99137#(and (= main_~x~0.offset main_~head~0.offset) (<= (+ main_~x~0.offset 16) (select |#length| main_~head~0.base)) (<= 0 main_~x~0.offset)), 99136#(and (<= (+ main_~x~0.offset 16) (select |#length| main_~x~0.base)) (<= 0 main_~x~0.offset)), 99138#(and (<= (+ main_~head~0.offset 16) (select |#length| main_~head~0.base)) (<= 0 main_~head~0.offset)), 99127#true, 99129#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 99128#false, 99131#(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))), 99130#(and (= |main_#t~mem21.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem21.base|)), 99133#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 16) (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))), 99132#(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 16) (select |#length| main_~x~0.base))), 99135#(and (<= 0 |main_#t~mem22.offset|) (<= (+ |main_#t~mem22.offset| 16) (select |#length| |main_#t~mem22.base|))), 99134#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 16) (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 15:18:56,331 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 15:18:56,331 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-10 15:18:56,331 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-10 15:18:56,332 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2018-04-10 15:18:56,332 INFO L87 Difference]: Start difference. First operand 1329 states and 1526 transitions. Second operand 12 states. [2018-04-10 15:18:56,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:18:56,803 INFO L93 Difference]: Finished difference Result 1513 states and 1766 transitions. [2018-04-10 15:18:56,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-10 15:18:56,804 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 84 [2018-04-10 15:18:56,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:18:56,805 INFO L225 Difference]: With dead ends: 1513 [2018-04-10 15:18:56,805 INFO L226 Difference]: Without dead ends: 1513 [2018-04-10 15:18:56,805 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2018-04-10 15:18:56,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1513 states. [2018-04-10 15:18:56,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1513 to 1333. [2018-04-10 15:18:56,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1333 states. [2018-04-10 15:18:56,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1333 states to 1333 states and 1531 transitions. [2018-04-10 15:18:56,811 INFO L78 Accepts]: Start accepts. Automaton has 1333 states and 1531 transitions. Word has length 84 [2018-04-10 15:18:56,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:18:56,811 INFO L459 AbstractCegarLoop]: Abstraction has 1333 states and 1531 transitions. [2018-04-10 15:18:56,812 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-10 15:18:56,812 INFO L276 IsEmpty]: Start isEmpty. Operand 1333 states and 1531 transitions. [2018-04-10 15:18:56,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-04-10 15:18:56,812 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:18:56,812 INFO L355 BasicCegarLoop]: trace histogram [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, 1, 1, 1] [2018-04-10 15:18:56,812 INFO L408 AbstractCegarLoop]: === Iteration 75 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:18:56,813 INFO L82 PathProgramCache]: Analyzing trace with hash -310051447, now seen corresponding path program 1 times [2018-04-10 15:18:56,813 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:18:56,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:18:56,824 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:18:56,925 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-04-10 15:18:56,925 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:18:56,925 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-04-10 15:18:56,925 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:18:56,925 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 15:18:56,926 INFO L182 omatonBuilderFactory]: Interpolants [102001#(and (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 102000#(= main_~head~0.offset 0), 102003#(and (= main_~head~0.offset main_~x~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 102002#(and (= main_~head~0.offset main_~x~0.offset) (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 102005#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ 0 8)))) (= 0 main_~x~0.offset)), 102004#(and (= main_~head~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 102006#(= 1 (select |#valid| |main_#t~mem24.base|)), 101997#true, 101999#(= 0 |main_#t~malloc0.offset|), 101998#false] [2018-04-10 15:18:56,926 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-04-10 15:18:56,926 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-10 15:18:56,926 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-10 15:18:56,926 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-04-10 15:18:56,926 INFO L87 Difference]: Start difference. First operand 1333 states and 1531 transitions. Second operand 10 states. [2018-04-10 15:18:57,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:18:57,144 INFO L93 Difference]: Finished difference Result 1618 states and 1849 transitions. [2018-04-10 15:18:57,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-10 15:18:57,144 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 85 [2018-04-10 15:18:57,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:18:57,146 INFO L225 Difference]: With dead ends: 1618 [2018-04-10 15:18:57,146 INFO L226 Difference]: Without dead ends: 1618 [2018-04-10 15:18:57,146 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2018-04-10 15:18:57,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1618 states. [2018-04-10 15:18:57,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1618 to 1097. [2018-04-10 15:18:57,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1097 states. [2018-04-10 15:18:57,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 1097 states and 1248 transitions. [2018-04-10 15:18:57,156 INFO L78 Accepts]: Start accepts. Automaton has 1097 states and 1248 transitions. Word has length 85 [2018-04-10 15:18:57,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:18:57,156 INFO L459 AbstractCegarLoop]: Abstraction has 1097 states and 1248 transitions. [2018-04-10 15:18:57,156 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-10 15:18:57,157 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 1248 transitions. [2018-04-10 15:18:57,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-04-10 15:18:57,157 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:18:57,157 INFO L355 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:18:57,157 INFO L408 AbstractCegarLoop]: === Iteration 76 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:18:57,157 INFO L82 PathProgramCache]: Analyzing trace with hash 1011982613, now seen corresponding path program 2 times [2018-04-10 15:18:57,158 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:18:57,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:18:57,177 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:18:58,454 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 15:18:58,455 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:18:58,455 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-04-10 15:18:58,455 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:18:58,455 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 15:18:58,455 INFO L182 omatonBuilderFactory]: Interpolants [104769#(= 1 (select |#valid| |main_#t~mem16.base|)), 104768#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))), 104737#false, 104736#true, 104739#(and (= 0 (select |#valid| 0)) (= |main_#t~malloc0.offset| 0)), 104738#(= 0 (select |#valid| 0)), 104741#(and (= 1 (select |#valid| main_~head~0.base)) (= 0 (select |#valid| 0)) (= main_~head~0.offset 0)), 104740#(and (= 0 (select |#valid| 0)) (= main_~head~0.offset 0)), 104743#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select |#valid| 0)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= |main_#t~malloc6.offset| 0) (not (= |main_#t~malloc6.base| main_~x~0.base))), 104742#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= 0 (select |#valid| 0)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 104745#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select |#valid| 0)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.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) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 104744#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select |#valid| 0)) (= 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) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 104747#(and (= 0 (select |#valid| 0)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (or (< main_~x~0.offset main_~head~0.offset) (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset 0))) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0)), 104746#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem8.base|) (= 0 (select |#valid| 0)) (not (= |main_#t~mem8.base| main_~head~0.base)) (= 0 |main_#t~mem8.offset|) (= (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)), 104749#(and (= 1 (select |#valid| |main_#t~malloc10.base|)) (not (= main_~x~0.base |main_#t~malloc10.base|)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc10.base|)) (= 0 (select |#valid| 0)) (= main_~x~0.offset 0) (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)), 104748#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select |#valid| 0)) (= main_~x~0.offset 0) (= (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)), 104751#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))) (= 0 (select |#valid| 0)) (not (= main_~x~0.base |main_#t~mem11.base|)) (= main_~x~0.offset 0) (not (= |main_#t~mem11.base| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (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)), 104750#(and (= 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 8)))) (= 0 (select |#valid| 0)) (= main_~x~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (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)), 104753#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (or (and (= 0 main_~head~0.offset) (= main_~head~0.offset |main_#t~malloc6.offset|) (= |main_#t~malloc6.base| main_~head~0.base) (= 0 (select |#valid| 0))) (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_~head~0.base |main_#t~malloc6.base|)) (= 0 (select |#valid| 0)) (= main_~x~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (not (= main_~x~0.base main_~head~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)))), 104752#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select |#valid| 0)) (= main_~x~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (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)), 104755#(and (not (= main_~x~0.base |main_#t~mem7.base|)) (or (and (not (= |main_#t~mem7.base| main_~head~0.base)) (= 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))) (= 0 (select |#valid| 0)) (= main_~x~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (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) (= (select |#valid| main_~x~0.base) 1)) (and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select |#valid| 0)) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base))) (= main_~head~0.offset 0)), 104754#(and (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)) (= 0 (select |#valid| 0)) (= main_~x~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (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) (= (select |#valid| main_~x~0.base) 1)) (and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select |#valid| 0)) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base))) (= main_~head~0.offset 0)), 104757#(and (= main_~head~0.offset 0) (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem8.base|)) (= 0 (select |#valid| 0)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem8.base|)) (= (select (select |#memory_$Pointer$.offset| 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)) (+ main_~head~0.offset 8))))) (and (= main_~head~0.base |main_#t~mem8.base|) (= main_~head~0.offset |main_#t~mem8.offset|) (= 0 (select |#valid| 0))))), 104756#(and (= main_~head~0.offset 0) (or (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))) (= 0 (select |#valid| 0)) (= main_~x~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (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) (= (select |#valid| main_~x~0.base) 1)) (and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select |#valid| 0)) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)))), 104759#(and (or (and (= main_~x~0.offset main_~head~0.offset) (= 0 (select |#valid| 0)) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select |#valid| 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)) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~head~0.offset 0)), 104758#(and (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select |#valid| 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_$Pointer$.offset| 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)) (+ main_~head~0.offset 8))))) (and (= main_~x~0.offset main_~head~0.offset) (= 0 (select |#valid| 0)) (= main_~x~0.base main_~head~0.base))) (= main_~head~0.offset 0)), 104761#(and (or (and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8)) main_~head~0.offset) (= 0 (select |#valid| 0)) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)) main_~head~0.base)) (and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8)) main_~head~0.offset) (= 0 (select |#valid| 0)) (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 8)))) (= 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)) (+ main_~head~0.offset 8)))))) (= main_~head~0.offset 0)), 104760#(and (or (and (= |main_#t~malloc10.base| main_~head~0.base) (= |main_#t~malloc10.offset| main_~head~0.offset) (= 0 (select |#valid| 0))) (and (= |main_#t~malloc10.offset| main_~head~0.offset) (= 0 (select |#valid| 0)) (not (= 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) |main_#t~malloc10.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| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8))))) (and (not (= main_~x~0.base |main_#t~malloc10.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)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (= main_~head~0.offset 0)), 104763#(and (or (and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select |#valid| 0))) (and (= 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)) (+ main_~head~0.offset 8))))) (and (= 0 (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_~head~0.offset 0)), 104762#(and (or (and (= 0 (select |#valid| 0)) (= |main_#t~mem11.offset| main_~head~0.offset) (= |main_#t~mem11.base| main_~head~0.base)) (and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.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)) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~mem11.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~head~0.offset 0)), 104765#(or (and (= 0 |main_#t~mem21.offset|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) (+ 0 8))))) (and (= 0 (select |#valid| 0)) (= 0 |main_#t~mem21.base|)) (and (= 0 |main_#t~mem21.offset|) (= 0 |main_#t~mem21.base|))), 104764#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) 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)) (+ 0 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (and (= 0 (select |#valid| 0)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 104767#(or (and (= 0 main_~x~0.base) (= 0 (select |#valid| 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))))), 104766#(or (and (= 0 main_~x~0.base) (= 0 (select |#valid| 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (and (= 0 main_~x~0.base) (= 0 main_~x~0.offset)))] [2018-04-10 15:18:58,455 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 15:18:58,456 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-04-10 15:18:58,456 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-04-10 15:18:58,456 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=980, Unknown=0, NotChecked=0, Total=1122 [2018-04-10 15:18:58,456 INFO L87 Difference]: Start difference. First operand 1097 states and 1248 transitions. Second operand 34 states. [2018-04-10 15:19:02,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:19:02,314 INFO L93 Difference]: Finished difference Result 1395 states and 1591 transitions. [2018-04-10 15:19:02,314 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-04-10 15:19:02,315 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 85 [2018-04-10 15:19:02,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:19:02,315 INFO L225 Difference]: With dead ends: 1395 [2018-04-10 15:19:02,316 INFO L226 Difference]: Without dead ends: 1395 [2018-04-10 15:19:02,316 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1721 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=1050, Invalid=5922, Unknown=0, NotChecked=0, Total=6972 [2018-04-10 15:19:02,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1395 states. [2018-04-10 15:19:02,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1395 to 1097. [2018-04-10 15:19:02,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1097 states. [2018-04-10 15:19:02,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 1097 states and 1245 transitions. [2018-04-10 15:19:02,321 INFO L78 Accepts]: Start accepts. Automaton has 1097 states and 1245 transitions. Word has length 85 [2018-04-10 15:19:02,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:19:02,321 INFO L459 AbstractCegarLoop]: Abstraction has 1097 states and 1245 transitions. [2018-04-10 15:19:02,321 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-04-10 15:19:02,321 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 1245 transitions. [2018-04-10 15:19:02,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-04-10 15:19:02,322 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:19:02,322 INFO L355 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:19:02,322 INFO L408 AbstractCegarLoop]: === Iteration 77 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:19:02,322 INFO L82 PathProgramCache]: Analyzing trace with hash 1011982614, now seen corresponding path program 2 times [2018-04-10 15:19:02,323 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:19:02,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:19:02,337 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:19:03,744 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 15:19:03,745 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:19:03,745 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-04-10 15:19:03,745 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:19:03,745 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 15:19:03,745 INFO L182 omatonBuilderFactory]: Interpolants [107393#(and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8)))), 107392#(or (and (= 0 main_~x~0.base) (= 0 main_~x~0.offset)) (and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8))))), 107394#(and (= 16 (select |#length| |main_#t~mem16.base|)) (= |main_#t~mem16.offset| 0)), 107363#false, 107362#true, 107365#(= main_~head~0.offset 0), 107364#(= |main_#t~malloc0.offset| 0), 107367#(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)), 107366#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 107369#(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) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= 16 (select |#length| (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) (= (select |#valid| main_~x~0.base) 1)), 107368#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (= 0 |main_#t~malloc6.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= 0 |main_#t~malloc6.base|)) (= main_~head~0.offset 0) (= 16 (select |#length| |main_#t~malloc6.base|))), 107371#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem8.base|) (not (= main_~head~0.base |main_#t~mem8.base|)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1) (= 16 (select |#length| |main_#t~mem8.base|)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 107370#(and (= main_~x~0.offset main_~head~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 107373#(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)) (or (= main_~head~0.offset main_~x~0.offset) (and (<= main_~head~0.offset main_~x~0.offset) (= (select |#length| main_~x~0.base) 16))) (not (= 0 (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)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 107372#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= 0 (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)) (or (< main_~x~0.offset (+ main_~head~0.offset 1)) (= 16 (select |#length| main_~x~0.base))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 107375#(and (= 16 (select |#length| |main_#t~malloc10.base|)) (not (= main_~head~0.base |main_#t~malloc10.base|)) (= 0 |main_#t~malloc10.offset|) (not (= 0 (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_~head~0.offset main_~x~0.offset) (= main_~head~0.offset 0) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (not (= main_~x~0.base |main_#t~malloc10.base|)) (= 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)) (= (select |#valid| |main_#t~malloc10.base|) 1)), 107374#(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)) (= main_~head~0.offset main_~x~0.offset) (not (= 0 (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)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 107377#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))) 1) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))) (= main_~head~0.offset main_~x~0.offset) (not (= 0 (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) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8))) (not (= main_~x~0.base |main_#t~mem11.base|)) (not (= |main_#t~mem11.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| 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)), 107376#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))) 1) (= main_~head~0.offset main_~x~0.offset) (not (= 0 (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 8)))) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8))) (= 0 (select (select |#memory_$Pointer$.offset| 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)), 107379#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (or (and (= main_~head~0.offset |main_#t~malloc6.offset|) (= main_~head~0.base |main_#t~malloc6.base|)) (and (= main_~head~0.offset |main_#t~malloc6.offset|) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= main_~head~0.offset main_~x~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8))) (not (= 0 (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)) (= |main_#t~malloc6.offset| (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~head~0.offset 0) (= (select |#valid| |main_#t~malloc6.base|) 1)), 107378#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8))) (= main_~head~0.offset main_~x~0.offset) (not (= 0 (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_~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 |#valid| main_~x~0.base) 1)), 107381#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 1) (or (and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset main_~x~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8))) (not (= 0 (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)) (= (select |#valid| main_~x~0.base) 1))) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|)) (= main_~head~0.offset 0)), 107380#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 1) (or (and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset main_~x~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8))) (not (= 0 (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)) (= (select |#valid| main_~x~0.base) 1))) (= main_~head~0.offset 0)), 107383#(and (= (select |#valid| |main_#t~mem8.base|) 1) (or (and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8)))) (= main_~head~0.offset |main_#t~mem8.offset|) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8))) (not (= 0 (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) |main_#t~mem8.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= main_~head~0.base |main_#t~mem8.base|) (= main_~head~0.offset |main_#t~mem8.offset|))) (= main_~head~0.offset 0)), 107382#(and (or (and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (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))) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset main_~x~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8))) (not (= 0 (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)) (= (select |#valid| main_~x~0.base) 1))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 1) (= main_~head~0.offset 0)), 107385#(and (or (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)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8)))) (= main_~x~0.offset main_~head~0.offset) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8))) (not (= 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) (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_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 107384#(and (or (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)) (and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8)))) (= main_~x~0.offset main_~head~0.offset) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 (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_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 107387#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (or (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)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8)) main_~head~0.offset) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8))) (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 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~head~0.offset 0)), 107386#(and (not (= main_~x~0.base |main_#t~malloc10.base|)) (or (and (= |main_#t~malloc10.offset| main_~head~0.offset) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8)))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8))) (not (= 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) |main_#t~malloc10.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))) (= 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) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (= main_~head~0.offset 0)), 107389#(and (= main_~head~0.offset 0) (or (and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= 0 (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))))), 107388#(and (or (and (= |main_#t~mem11.offset| main_~head~0.offset) (= |main_#t~mem11.base| main_~head~0.base)) (and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8)))) (not (= |main_#t~mem11.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)) (+ main_~head~0.offset 8))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~mem11.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~head~0.offset 0)), 107391#(or (and (= 0 |main_#t~mem21.offset|) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem21.base|) (+ 0 8))) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) (+ 0 8))))) (and (= 0 |main_#t~mem21.offset|) (= 0 |main_#t~mem21.base|))), 107390#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 8))) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| (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))))] [2018-04-10 15:19:03,745 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 15:19:03,746 INFO L442 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-04-10 15:19:03,746 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-04-10 15:19:03,746 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=931, Unknown=0, NotChecked=0, Total=1056 [2018-04-10 15:19:03,746 INFO L87 Difference]: Start difference. First operand 1097 states and 1245 transitions. Second operand 33 states. [2018-04-10 15:19:06,141 WARN L151 SmtUtils]: Spent 102ms on a formula simplification. DAG size of input: 85 DAG size of output 84 [2018-04-10 15:19:07,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:19:07,221 INFO L93 Difference]: Finished difference Result 1367 states and 1553 transitions. [2018-04-10 15:19:07,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-04-10 15:19:07,221 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 85 [2018-04-10 15:19:07,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:19:07,222 INFO L225 Difference]: With dead ends: 1367 [2018-04-10 15:19:07,222 INFO L226 Difference]: Without dead ends: 1367 [2018-04-10 15:19:07,222 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1215 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=765, Invalid=4347, Unknown=0, NotChecked=0, Total=5112 [2018-04-10 15:19:07,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1367 states. [2018-04-10 15:19:07,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1367 to 1065. [2018-04-10 15:19:07,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1065 states. [2018-04-10 15:19:07,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 1065 states and 1206 transitions. [2018-04-10 15:19:07,227 INFO L78 Accepts]: Start accepts. Automaton has 1065 states and 1206 transitions. Word has length 85 [2018-04-10 15:19:07,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:19:07,228 INFO L459 AbstractCegarLoop]: Abstraction has 1065 states and 1206 transitions. [2018-04-10 15:19:07,228 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-04-10 15:19:07,228 INFO L276 IsEmpty]: Start isEmpty. Operand 1065 states and 1206 transitions. [2018-04-10 15:19:07,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-04-10 15:19:07,228 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:19:07,228 INFO L355 BasicCegarLoop]: trace histogram [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] [2018-04-10 15:19:07,228 INFO L408 AbstractCegarLoop]: === Iteration 78 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:19:07,229 INFO L82 PathProgramCache]: Analyzing trace with hash -1336071809, now seen corresponding path program 1 times [2018-04-10 15:19:07,229 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:19:07,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:19:07,236 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:19:07,745 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:19:07,745 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:19:07,745 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-04-10 15:19:07,745 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:19:07,745 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 15:19:07,745 INFO L182 omatonBuilderFactory]: Interpolants [109921#(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| main_~x~0.base) main_~x~0.offset)) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0)), 109920#(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)) (+ main_~head~0.offset 8)))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 109923#(and (or (and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)))) (= 0 main_~x~0.offset)) (< main_~x~0.offset main_~head~0.offset)) (= main_~head~0.offset 0)), 109922#(and (not (= |main_#t~mem21.base| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) (+ main_~head~0.offset 8)))) (= 0 |main_#t~mem21.offset|) (= main_~head~0.offset 0)), 109925#(and (or (< main_~x~0.offset main_~head~0.offset) (not |main_#t~short20|)) (= main_~head~0.offset 0)), 109924#(and (= main_~head~0.offset 0) (or (and (= main_~x~0.offset 0) (not (= main_~x~0.base |main_#t~mem19.base|))) (< main_~x~0.offset main_~head~0.offset))), 109926#(and (< main_~x~0.offset main_~head~0.offset) (= main_~head~0.offset 0)), 109905#true, 109907#(= 0 |main_#t~malloc0.offset|), 109906#false, 109909#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 109908#(= main_~head~0.offset 0), 109911#(and (= 0 |main_#t~malloc6.offset|) (not (= main_~head~0.base |main_#t~malloc6.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| |main_#t~malloc6.base|) 1)), 109910#(and (= main_~x~0.offset main_~head~0.offset) (= (select |#valid| main_~head~0.base) 1) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 109913#(and (= main_~x~0.offset main_~head~0.offset) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 1) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~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 (= main_~x~0.base |main_#t~mem7.base|)) (= (select |#valid| main_~x~0.base) 1)), 109912#(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) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 1) (= 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) (= (select |#valid| main_~x~0.base) 1)), 109915#(and (or (< main_~x~0.offset main_~head~0.offset) (and (= 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)) (= (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))) (= main_~head~0.offset 0)), 109914#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem8.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 1) (not (= main_~head~0.base |main_#t~mem8.base|)) (= 0 |main_#t~mem8.offset|) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 109917#(and (not (= main_~x~0.base |main_#t~malloc10.base|)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc10.base|)) (< main_~x~0.offset (+ main_~head~0.offset 1)) (not (= main_~x~0.base main_~head~0.base)) (<= 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))), 109916#(and (= 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)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (<= 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)) (= (select |#valid| main_~x~0.base) 1)), 109919#(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)) (+ main_~head~0.offset 8)))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 109918#(and (= 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 8)))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| 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)))] [2018-04-10 15:19:07,745 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:19:07,746 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-04-10 15:19:07,746 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-04-10 15:19:07,746 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=387, Unknown=0, NotChecked=0, Total=462 [2018-04-10 15:19:07,746 INFO L87 Difference]: Start difference. First operand 1065 states and 1206 transitions. Second operand 22 states. [2018-04-10 15:19:08,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:19:08,735 INFO L93 Difference]: Finished difference Result 1127 states and 1265 transitions. [2018-04-10 15:19:08,735 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-04-10 15:19:08,735 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 86 [2018-04-10 15:19:08,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:19:08,736 INFO L225 Difference]: With dead ends: 1127 [2018-04-10 15:19:08,736 INFO L226 Difference]: Without dead ends: 1109 [2018-04-10 15:19:08,736 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 387 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=390, Invalid=1772, Unknown=0, NotChecked=0, Total=2162 [2018-04-10 15:19:08,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1109 states. [2018-04-10 15:19:08,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1109 to 1059. [2018-04-10 15:19:08,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1059 states. [2018-04-10 15:19:08,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 1059 states and 1194 transitions. [2018-04-10 15:19:08,742 INFO L78 Accepts]: Start accepts. Automaton has 1059 states and 1194 transitions. Word has length 86 [2018-04-10 15:19:08,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:19:08,742 INFO L459 AbstractCegarLoop]: Abstraction has 1059 states and 1194 transitions. [2018-04-10 15:19:08,742 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-04-10 15:19:08,742 INFO L276 IsEmpty]: Start isEmpty. Operand 1059 states and 1194 transitions. [2018-04-10 15:19:08,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-04-10 15:19:08,742 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:19:08,743 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:19:08,743 INFO L408 AbstractCegarLoop]: === Iteration 79 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:19:08,743 INFO L82 PathProgramCache]: Analyzing trace with hash 197432661, now seen corresponding path program 1 times [2018-04-10 15:19:08,743 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:19:08,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:19:08,754 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:19:08,971 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:19:08,972 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:19:08,972 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-04-10 15:19:08,972 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:19:08,972 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 15:19:08,972 INFO L182 omatonBuilderFactory]: Interpolants [112163#true, 112165#(= (select |#valid| main_~head~0.base) 1), 112164#false, 112167#(and (not (= main_~head~0.base |main_#t~malloc6.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= 0 |main_#t~malloc6.base|))), 112166#(and (= main_~x~0.offset main_~head~0.offset) (= (select |#valid| main_~head~0.base) 1) (= main_~x~0.base main_~head~0.base)), 112169#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= (select |#valid| main_~x~0.base) 1)), 112168#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 (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)), 112171#(and (not (= 0 (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))), 112170#(and (not (= main_~head~0.base |main_#t~mem8.base|)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1)), 112173#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (not (= 0 (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)), 112172#(and (not (= main_~head~0.base |main_#t~malloc10.base|)) (not (= 0 (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))), 112175#(and (not (= 0 (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)), 112174#(and (not (= |main_#t~mem11.base| main_~head~0.base)) (not (= 0 (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)), 112177#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 (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)))), 112176#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (not (= main_~head~0.base |main_#t~malloc6.base|)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 112179#(and (not (= 0 (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)))), 112178#(and (not (= |main_#t~mem7.base| main_~head~0.base)) (not (= 0 (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_~x~0.base |main_#t~mem7.base|))), 112181#(and (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 112180#(and (not (= main_~head~0.base |main_#t~mem8.base|)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 112183#(not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 112182#(not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 112185#(not (= 0 main_~x~0.base)), 112184#(not (= 0 |main_#t~mem21.base|))] [2018-04-10 15:19:08,972 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:19:08,972 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-10 15:19:08,972 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-10 15:19:08,973 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=419, Unknown=0, NotChecked=0, Total=506 [2018-04-10 15:19:08,973 INFO L87 Difference]: Start difference. First operand 1059 states and 1194 transitions. Second operand 23 states. [2018-04-10 15:19:09,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:19:09,849 INFO L93 Difference]: Finished difference Result 1173 states and 1333 transitions. [2018-04-10 15:19:09,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-04-10 15:19:09,849 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 86 [2018-04-10 15:19:09,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:19:09,850 INFO L225 Difference]: With dead ends: 1173 [2018-04-10 15:19:09,850 INFO L226 Difference]: Without dead ends: 1173 [2018-04-10 15:19:09,851 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 466 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=421, Invalid=1835, Unknown=0, NotChecked=0, Total=2256 [2018-04-10 15:19:09,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1173 states. [2018-04-10 15:19:09,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1173 to 894. [2018-04-10 15:19:09,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2018-04-10 15:19:09,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1004 transitions. [2018-04-10 15:19:09,854 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1004 transitions. Word has length 86 [2018-04-10 15:19:09,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:19:09,855 INFO L459 AbstractCegarLoop]: Abstraction has 894 states and 1004 transitions. [2018-04-10 15:19:09,855 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-10 15:19:09,855 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1004 transitions. [2018-04-10 15:19:09,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-04-10 15:19:09,855 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:19:09,855 INFO L355 BasicCegarLoop]: trace histogram [3, 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 15:19:09,855 INFO L408 AbstractCegarLoop]: === Iteration 80 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:19:09,855 INFO L82 PathProgramCache]: Analyzing trace with hash 1380841947, now seen corresponding path program 1 times [2018-04-10 15:19:09,856 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:19:09,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:19:09,862 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:19:09,999 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 15:19:09,999 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:19:10,000 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-04-10 15:19:10,000 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:19:10,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:19:10,000 INFO L182 omatonBuilderFactory]: Interpolants [114305#(= 1 (select |#valid| main_~head~0.base)), 114304#false, 114307#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 16 (select |#length| |main_#t~malloc6.base|))), 114306#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 114309#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)))), 114308#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)))), 114311#(and (not (= main_~x~0.base main_~head~0.base)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 114310#(and (not (= main_~head~0.base |main_#t~mem8.base|)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 114313#(and (= main_~x~0.base main_~head~0.base) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)))), 114312#(= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 114315#(= 16 (select |#length| |main_#t~mem22.base|)), 114314#(= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 114317#(and (= main_~x~0.offset main_~head~0.offset) (= 16 (select |#length| main_~head~0.base))), 114316#(= 16 (select |#length| main_~x~0.base)), 114319#(and (<= main_~head~0.offset 0) (<= 0 main_~head~0.offset)), 114318#(and (<= 0 main_~head~0.offset) (= 16 (select |#length| main_~head~0.base))), 114303#true] [2018-04-10 15:19:10,000 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 15:19:10,000 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-10 15:19:10,000 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-10 15:19:10,000 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2018-04-10 15:19:10,000 INFO L87 Difference]: Start difference. First operand 894 states and 1004 transitions. Second operand 17 states. [2018-04-10 15:19:10,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:19:10,586 INFO L93 Difference]: Finished difference Result 959 states and 1069 transitions. [2018-04-10 15:19:10,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-04-10 15:19:10,586 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 86 [2018-04-10 15:19:10,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:19:10,587 INFO L225 Difference]: With dead ends: 959 [2018-04-10 15:19:10,587 INFO L226 Difference]: Without dead ends: 959 [2018-04-10 15:19:10,587 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 218 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=172, Invalid=1018, Unknown=0, NotChecked=0, Total=1190 [2018-04-10 15:19:10,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959 states. [2018-04-10 15:19:10,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959 to 932. [2018-04-10 15:19:10,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 932 states. [2018-04-10 15:19:10,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 932 states and 1047 transitions. [2018-04-10 15:19:10,591 INFO L78 Accepts]: Start accepts. Automaton has 932 states and 1047 transitions. Word has length 86 [2018-04-10 15:19:10,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:19:10,591 INFO L459 AbstractCegarLoop]: Abstraction has 932 states and 1047 transitions. [2018-04-10 15:19:10,591 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-10 15:19:10,591 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1047 transitions. [2018-04-10 15:19:10,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-04-10 15:19:10,591 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:19:10,592 INFO L355 BasicCegarLoop]: trace histogram [3, 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, 1, 1, 1] [2018-04-10 15:19:10,592 INFO L408 AbstractCegarLoop]: === Iteration 81 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:19:10,592 INFO L82 PathProgramCache]: Analyzing trace with hash -143583328, now seen corresponding path program 1 times [2018-04-10 15:19:10,592 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:19:10,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:19:10,598 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:19:10,892 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 15:19:10,892 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:19:10,892 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-04-10 15:19:10,892 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:19:10,893 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 15:19:10,893 INFO L182 omatonBuilderFactory]: Interpolants [116257#(and (or (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base)) (= 0 (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)), 116256#(and (not (= main_~head~0.base |main_#t~mem8.base|)) (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 |main_#t~mem8.offset|) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 116259#(and (= 0 (select (select |#memory_$Pointer$.offset| (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))), 116258#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 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))), 116261#(and (= 0 (select (select |#memory_$Pointer$.offset| (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))), 116260#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 116263#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ 0 8))) (= 0 main_~x~0.offset)), 116262#(and (= 0 |main_#t~mem22.offset|) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem22.base|) (+ 0 8)))), 116265#(= 0 |main_#t~mem24.offset|), 116264#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0)), 116247#true, 116249#(= 0 |main_#t~malloc0.offset|), 116248#false, 116251#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 116250#(= main_~head~0.offset 0), 116253#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (= 0 |main_#t~malloc6.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 116252#(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)), 116255#(and (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0)), 116254#(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) (= 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))] [2018-04-10 15:19:10,893 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 15:19:10,893 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-04-10 15:19:10,893 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-04-10 15:19:10,893 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2018-04-10 15:19:10,893 INFO L87 Difference]: Start difference. First operand 932 states and 1047 transitions. Second operand 19 states. [2018-04-10 15:19:11,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:19:11,904 INFO L93 Difference]: Finished difference Result 1079 states and 1194 transitions. [2018-04-10 15:19:11,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-04-10 15:19:11,904 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 87 [2018-04-10 15:19:11,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:19:11,905 INFO L225 Difference]: With dead ends: 1079 [2018-04-10 15:19:11,905 INFO L226 Difference]: Without dead ends: 1079 [2018-04-10 15:19:11,905 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 778 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=564, Invalid=2628, Unknown=0, NotChecked=0, Total=3192 [2018-04-10 15:19:11,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1079 states. [2018-04-10 15:19:11,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1079 to 932. [2018-04-10 15:19:11,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 932 states. [2018-04-10 15:19:11,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 932 states and 1046 transitions. [2018-04-10 15:19:11,909 INFO L78 Accepts]: Start accepts. Automaton has 932 states and 1046 transitions. Word has length 87 [2018-04-10 15:19:11,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:19:11,910 INFO L459 AbstractCegarLoop]: Abstraction has 932 states and 1046 transitions. [2018-04-10 15:19:11,910 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-04-10 15:19:11,910 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1046 transitions. [2018-04-10 15:19:11,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-04-10 15:19:11,910 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:19:11,910 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:19:11,910 INFO L408 AbstractCegarLoop]: === Iteration 82 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:19:11,911 INFO L82 PathProgramCache]: Analyzing trace with hash 203273886, now seen corresponding path program 4 times [2018-04-10 15:19:11,911 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:19:11,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:19:11,918 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:19:12,169 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:19:12,169 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:19:12,169 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-04-10 15:19:12,169 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:19:12,169 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 15:19:12,170 INFO L182 omatonBuilderFactory]: Interpolants [118369#(= 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)))), 118368#(and (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))) (= (select |#valid| main_~x~0.base) 1)), 118371#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) |main_#t~mem21.offset|))), 118370#(= 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)))), 118373#(= 1 (select |#valid| |main_#t~mem21.base|)), 118372#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 118374#(= 1 (select |#valid| main_~x~0.base)), 118353#true, 118355#(= 1 (select |#valid| main_~head~0.base)), 118354#false, 118357#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 118356#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 118359#(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) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= (select |#valid| main_~x~0.base) 1)), 118358#(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) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 118361#(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)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 118360#(and (= |main_#t~mem8.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem8.base|) (not (= main_~head~0.base |main_#t~mem8.base|)) (= (select |#valid| main_~head~0.base) 1)), 118363#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (= 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~malloc6.base|)) (not (= main_~x~0.base main_~head~0.base))), 118362#(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)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 118365#(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))) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|))), 118364#(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 (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)))), 118367#(and (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)))), 118366#(and (not (= main_~head~0.base |main_#t~mem8.base|)) (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| (select (select |#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~mem8.base|)))] [2018-04-10 15:19:12,170 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:19:12,170 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-04-10 15:19:12,170 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-04-10 15:19:12,170 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2018-04-10 15:19:12,170 INFO L87 Difference]: Start difference. First operand 932 states and 1046 transitions. Second operand 22 states. [2018-04-10 15:19:13,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:19:13,091 INFO L93 Difference]: Finished difference Result 1123 states and 1261 transitions. [2018-04-10 15:19:13,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-04-10 15:19:13,091 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 87 [2018-04-10 15:19:13,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:19:13,092 INFO L225 Difference]: With dead ends: 1123 [2018-04-10 15:19:13,092 INFO L226 Difference]: Without dead ends: 1123 [2018-04-10 15:19:13,092 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 377 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=280, Invalid=1526, Unknown=0, NotChecked=0, Total=1806 [2018-04-10 15:19:13,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1123 states. [2018-04-10 15:19:13,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1123 to 1019. [2018-04-10 15:19:13,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1019 states. [2018-04-10 15:19:13,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 1019 states and 1142 transitions. [2018-04-10 15:19:13,096 INFO L78 Accepts]: Start accepts. Automaton has 1019 states and 1142 transitions. Word has length 87 [2018-04-10 15:19:13,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:19:13,096 INFO L459 AbstractCegarLoop]: Abstraction has 1019 states and 1142 transitions. [2018-04-10 15:19:13,096 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-04-10 15:19:13,096 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 1142 transitions. [2018-04-10 15:19:13,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-04-10 15:19:13,097 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:19:13,097 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:19:13,097 INFO L408 AbstractCegarLoop]: === Iteration 83 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:19:13,097 INFO L82 PathProgramCache]: Analyzing trace with hash 203273887, now seen corresponding path program 3 times [2018-04-10 15:19:13,098 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:19:13,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:19:13,106 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:19:13,574 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:19:13,574 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:19:13,574 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-04-10 15:19:13,574 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:19:13,574 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 15:19:13,575 INFO L182 omatonBuilderFactory]: Interpolants [120577#(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))) (= 16 (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 (= 0 (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)))), 120576#(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))) (= 16 (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 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 120579#(or (and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem21.base|) |main_#t~mem21.offset|)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) |main_#t~mem21.offset|)))) (and (= 0 |main_#t~mem21.offset|) (= 0 |main_#t~mem21.base|))), 120578#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (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))) (= 16 (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)))))), 120581#(and (= 16 (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))), 120580#(or (and (= 16 (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))) (and (= 0 main_~x~0.base) (= 0 main_~x~0.offset))), 120583#(and (= 16 (select |#length| main_~x~0.base)) (= 0 main_~x~0.offset)), 120582#(and (= 16 (select |#length| |main_#t~mem21.base|)) (= 0 |main_#t~mem21.offset|)), 120559#true, 120561#(= 0 |main_#t~malloc0.offset|), 120560#false, 120563#(and (= 0 main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base))), 120562#(= 0 main_~head~0.offset), 120565#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base)), 120564#(and (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 120567#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= (select |#valid| main_~x~0.base) 1)), 120566#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 120569#(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) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 120568#(and (= |main_#t~mem8.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem8.base|) (not (= main_~head~0.base |main_#t~mem8.base|)) (<= main_~head~0.offset 0) (= (select |#valid| main_~head~0.base) 1)), 120571#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (= 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~malloc6.offset|) (not (= main_~head~0.base |main_#t~malloc6.base|)) (<= main_~head~0.offset 0) (not (= main_~x~0.base main_~head~0.base)) (= 16 (select |#length| |main_#t~malloc6.base|))), 120570#(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) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 120573#(and (not (= |main_#t~mem7.base| main_~head~0.base)) (= 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))) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (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))) (not (= main_~x~0.base |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 120572#(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))) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (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) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 120575#(and (not (= main_~x~0.base main_~head~0.base)) (or (<= (+ main_~x~0.offset 1) 0) (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))) (= 16 (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 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))))), 120574#(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_#t~mem8.base|)) (= 16 (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)))) (<= main_~head~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem8.base|)))] [2018-04-10 15:19:13,575 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:19:13,575 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-04-10 15:19:13,575 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-04-10 15:19:13,575 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2018-04-10 15:19:13,575 INFO L87 Difference]: Start difference. First operand 1019 states and 1142 transitions. Second operand 25 states. [2018-04-10 15:19:15,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:19:15,072 INFO L93 Difference]: Finished difference Result 1172 states and 1317 transitions. [2018-04-10 15:19:15,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-04-10 15:19:15,072 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 87 [2018-04-10 15:19:15,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:19:15,073 INFO L225 Difference]: With dead ends: 1172 [2018-04-10 15:19:15,073 INFO L226 Difference]: Without dead ends: 1172 [2018-04-10 15:19:15,074 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 626 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=430, Invalid=2432, Unknown=0, NotChecked=0, Total=2862 [2018-04-10 15:19:15,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1172 states. [2018-04-10 15:19:15,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1172 to 1035. [2018-04-10 15:19:15,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1035 states. [2018-04-10 15:19:15,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 1164 transitions. [2018-04-10 15:19:15,078 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 1164 transitions. Word has length 87 [2018-04-10 15:19:15,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:19:15,078 INFO L459 AbstractCegarLoop]: Abstraction has 1035 states and 1164 transitions. [2018-04-10 15:19:15,078 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-04-10 15:19:15,078 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1164 transitions. [2018-04-10 15:19:15,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-04-10 15:19:15,079 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:19:15,079 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-04-10 15:19:15,079 INFO L408 AbstractCegarLoop]: === Iteration 84 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:19:15,079 INFO L82 PathProgramCache]: Analyzing trace with hash 2086571720, now seen corresponding path program 5 times [2018-04-10 15:19:15,080 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:19:15,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:19:15,090 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:19:15,425 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:19:15,425 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:19:15,425 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-04-10 15:19:15,425 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:19:15,425 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 15:19:15,426 INFO L182 omatonBuilderFactory]: Interpolants [122849#true, 122851#(= 1 (select |#valid| main_~head~0.base)), 122850#false, 122853#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 122852#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 122855#(and (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= (select |#valid| main_~x~0.base) 1)), 122854#(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) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 122857#(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))), 122856#(and (not (= main_~head~0.base |main_#t~mem8.base|)) (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1)), 122859#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc6.base|)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 122858#(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)), 122861#(and (not (= |main_#t~mem7.base| main_~head~0.base)) (= 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))) (not (= main_~x~0.base |main_#t~mem7.base|)) (= (select |#valid| main_~x~0.base) 1)), 122860#(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 |#valid| main_~x~0.base) 1)), 122863#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem8.base|)) (= (select |#valid| main_~head~0.base) 1)), 122862#(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 |#valid| main_~x~0.base) 1)), 122865#(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)) (= (select |#valid| main_~x~0.base) 1)), 122864#(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))), 122867#(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))) (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))))), 122866#(and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~malloc6.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base |main_#t~malloc6.base|)) (not (= main_~head~0.base |main_#t~malloc6.base|)) (not (= main_~x~0.base main_~head~0.base))), 122869#(and (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))))), 122868#(and (not (= |main_#t~mem7.base| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem7.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))))), 122871#(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)))) (not (= main_~x~0.base main_~head~0.base))), 122870#(and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem8.base|))), 122873#(and (= 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))), 122872#(and (= 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)) (= (select |#valid| main_~x~0.base) 1)), 122875#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 122874#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 122877#(= 1 (select |#valid| main_~x~0.base)), 122876#(= 1 (select |#valid| |main_#t~mem21.base|))] [2018-04-10 15:19:15,426 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:19:15,426 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-10 15:19:15,426 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-10 15:19:15,426 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=689, Unknown=0, NotChecked=0, Total=812 [2018-04-10 15:19:15,426 INFO L87 Difference]: Start difference. First operand 1035 states and 1164 transitions. Second operand 29 states. [2018-04-10 15:19:16,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:19:16,312 INFO L93 Difference]: Finished difference Result 1248 states and 1405 transitions. [2018-04-10 15:19:16,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-04-10 15:19:16,312 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 87 [2018-04-10 15:19:16,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:19:16,313 INFO L225 Difference]: With dead ends: 1248 [2018-04-10 15:19:16,313 INFO L226 Difference]: Without dead ends: 1248 [2018-04-10 15:19:16,313 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 577 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=473, Invalid=1977, Unknown=0, NotChecked=0, Total=2450 [2018-04-10 15:19:16,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1248 states. [2018-04-10 15:19:16,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1248 to 1120. [2018-04-10 15:19:16,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1120 states. [2018-04-10 15:19:16,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1260 transitions. [2018-04-10 15:19:16,318 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 1260 transitions. Word has length 87 [2018-04-10 15:19:16,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:19:16,318 INFO L459 AbstractCegarLoop]: Abstraction has 1120 states and 1260 transitions. [2018-04-10 15:19:16,318 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-10 15:19:16,318 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1260 transitions. [2018-04-10 15:19:16,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-04-10 15:19:16,319 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:19:16,319 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-04-10 15:19:16,319 INFO L408 AbstractCegarLoop]: === Iteration 85 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:19:16,319 INFO L82 PathProgramCache]: Analyzing trace with hash 2086571721, now seen corresponding path program 4 times [2018-04-10 15:19:16,320 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:19:16,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:19:16,328 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:19:16,768 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:19:16,768 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:19:16,768 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-04-10 15:19:16,769 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:19:16,769 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 15:19:16,769 INFO L182 omatonBuilderFactory]: Interpolants [125313#(and (= 16 (select |#length| |main_#t~mem21.base|)) (= 0 |main_#t~mem21.offset|)), 125312#(and (= 16 (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))), 125314#(and (= 16 (select |#length| main_~x~0.base)) (= 0 main_~x~0.offset)), 125289#false, 125288#true, 125291#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 125290#(= 1 (select |#valid| main_~head~0.base)), 125293#(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)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 125292#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (= 0 |main_#t~malloc6.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 16 (select |#length| |main_#t~malloc6.base|))), 125295#(and (not (= main_~head~0.base |main_#t~mem8.base|)) (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (= 16 (select |#length| |main_#t~mem8.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 125294#(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)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= (select |#valid| main_~x~0.base) 1)), 125297#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 16 (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)), 125296#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 16 (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))), 125299#(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))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#length| main_~x~0.base) 16)), 125298#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc6.base|)) (= 16 (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))), 125301#(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))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#length| main_~x~0.base) 16)), 125300#(and (not (= |main_#t~mem7.base| main_~head~0.base)) (= 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))) (not (= main_~x~0.base |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#length| main_~x~0.base) 16)), 125303#(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)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 125302#(and (not (= main_~head~0.base |main_#t~mem8.base|)) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 125305#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (not (= main_~head~0.base |main_#t~malloc6.base|)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 125304#(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) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 125307#(and (not (= |main_#t~mem7.base| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 125306#(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)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 125309#(and (not (= main_~head~0.base |main_#t~mem8.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 125308#(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)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 125311#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 125310#(and (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))))] [2018-04-10 15:19:16,769 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:19:16,769 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-04-10 15:19:16,769 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-04-10 15:19:16,769 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=584, Unknown=0, NotChecked=0, Total=702 [2018-04-10 15:19:16,769 INFO L87 Difference]: Start difference. First operand 1120 states and 1260 transitions. Second operand 27 states. [2018-04-10 15:19:17,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:19:17,762 INFO L93 Difference]: Finished difference Result 1298 states and 1462 transitions. [2018-04-10 15:19:17,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-04-10 15:19:17,762 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 87 [2018-04-10 15:19:17,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:19:17,763 INFO L225 Difference]: With dead ends: 1298 [2018-04-10 15:19:17,763 INFO L226 Difference]: Without dead ends: 1298 [2018-04-10 15:19:17,764 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 478 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=350, Invalid=1542, Unknown=0, NotChecked=0, Total=1892 [2018-04-10 15:19:17,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1298 states. [2018-04-10 15:19:17,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1298 to 1116. [2018-04-10 15:19:17,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2018-04-10 15:19:17,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1254 transitions. [2018-04-10 15:19:17,770 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1254 transitions. Word has length 87 [2018-04-10 15:19:17,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:19:17,770 INFO L459 AbstractCegarLoop]: Abstraction has 1116 states and 1254 transitions. [2018-04-10 15:19:17,770 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-04-10 15:19:17,770 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1254 transitions. [2018-04-10 15:19:17,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-04-10 15:19:17,771 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:19:17,771 INFO L355 BasicCegarLoop]: trace histogram [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] [2018-04-10 15:19:17,771 INFO L408 AbstractCegarLoop]: === Iteration 86 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:19:17,771 INFO L82 PathProgramCache]: Analyzing trace with hash -1478552283, now seen corresponding path program 1 times [2018-04-10 15:19:17,771 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:19:17,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:19:17,782 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:19:18,287 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 3 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:19:18,287 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:19:18,287 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-04-10 15:19:18,287 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:19:18,288 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 15:19:18,288 INFO L182 omatonBuilderFactory]: Interpolants [127777#(and (= 1 (select |#valid| main_~head~0.base)) (or (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (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))) (= main_~head~0.offset 0)), 127776#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset |main_#t~mem8.offset|) (= main_~head~0.offset 0)), 127779#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0) (or (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (and (= 0 (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))))), 127778#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0) (or (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (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) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))))), 127781#(and (= 1 (select |#valid| main_~head~0.base)) (or (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (and (= |main_#t~mem21.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem21.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_~head~0.offset 0)), 127780#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0) (or (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)))) (= main_~x~0.base main_~head~0.base)) (and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 127783#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ 0 8)))) (= 0 main_~x~0.offset)), 127782#(and (= 1 (select |#valid| main_~head~0.base)) (or (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (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 (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_~head~0.offset 0)), 127785#(and (not (= |main_#t~mem24.base| main_~head~0.base)) (= 1 (select |#valid| main_~head~0.base))), 127784#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 1 (select |#valid| main_~head~0.base))), 127786#(= 1 (select |#valid| main_~head~0.base)), 127763#true, 127765#(= |main_#t~malloc0.offset| 0), 127764#false, 127767#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 127766#(= main_~head~0.offset 0), 127769#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)) main_~head~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 127768#(and (not (= |main_#t~malloc2.base| main_~head~0.base)) (= main_~head~0.offset 0)), 127771#(and (not (= main_~x~0.offset (+ main_~head~0.offset 8))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 127770#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~head~0.base |main_#t~mem3.base|)) (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 127773#(and (not (= main_~x~0.offset (+ main_~head~0.offset 8))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)))) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 127772#(and (= main_~head~0.offset |main_#t~malloc6.offset|) (not (= main_~x~0.offset (+ main_~head~0.offset 8))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (not (= main_~head~0.base |main_#t~malloc6.base|)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 127775#(and (not (= main_~x~0.offset (+ main_~head~0.offset 8))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)))) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 127774#(and (not (= main_~x~0.offset (+ main_~head~0.offset 8))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)))) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1))] [2018-04-10 15:19:18,288 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 3 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:19:18,288 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-04-10 15:19:18,288 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-04-10 15:19:18,288 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=414, Unknown=0, NotChecked=0, Total=552 [2018-04-10 15:19:18,288 INFO L87 Difference]: Start difference. First operand 1116 states and 1254 transitions. Second operand 24 states. [2018-04-10 15:19:19,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:19:19,128 INFO L93 Difference]: Finished difference Result 1317 states and 1465 transitions. [2018-04-10 15:19:19,128 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-04-10 15:19:19,128 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 88 [2018-04-10 15:19:19,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:19:19,129 INFO L225 Difference]: With dead ends: 1317 [2018-04-10 15:19:19,129 INFO L226 Difference]: Without dead ends: 1317 [2018-04-10 15:19:19,130 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 612 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=587, Invalid=1669, Unknown=0, NotChecked=0, Total=2256 [2018-04-10 15:19:19,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1317 states. [2018-04-10 15:19:19,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1317 to 1116. [2018-04-10 15:19:19,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2018-04-10 15:19:19,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1253 transitions. [2018-04-10 15:19:19,135 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1253 transitions. Word has length 88 [2018-04-10 15:19:19,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:19:19,136 INFO L459 AbstractCegarLoop]: Abstraction has 1116 states and 1253 transitions. [2018-04-10 15:19:19,136 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-04-10 15:19:19,136 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1253 transitions. [2018-04-10 15:19:19,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-04-10 15:19:19,137 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:19:19,137 INFO L355 BasicCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1] [2018-04-10 15:19:19,137 INFO L408 AbstractCegarLoop]: === Iteration 87 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:19:19,137 INFO L82 PathProgramCache]: Analyzing trace with hash -156115621, now seen corresponding path program 1 times [2018-04-10 15:19:19,137 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:19:19,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:19:19,144 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:19:19,712 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 15:19:19,712 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:19:19,712 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-04-10 15:19:19,712 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:19:19,712 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 15:19:19,713 INFO L182 omatonBuilderFactory]: Interpolants [130269#false, 130268#true, 130271#(= main_~head~0.offset 0), 130270#(= 0 |main_#t~malloc0.offset|), 130273#(and (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) 1) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 130272#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 130275#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (= 0 |main_#t~malloc6.offset|) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) 1) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 130274#(and (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) 1) (= 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)), 130277#(and (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) 1) (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0)), 130276#(and (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) 1) (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) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0)), 130279#(and (or (< main_~x~0.offset main_~head~0.offset) (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) 1) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~head~0.offset 0)), 130278#(and (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) 1) (not (= main_~head~0.base |main_#t~mem8.base|)) (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 |main_#t~mem8.offset|) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 130281#(and (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base)) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~x~0.offset 12))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 130280#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) 1) (= 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))), 130283#(and (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12))) (= 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) (= 0 main_~x~0.offset)), 130282#(and (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 130285#(and (or |main_#t~short15| (and (not (= 2 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12)))) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base))) (= main_~x~0.offset 0) (= main_~head~0.offset 0)), 130284#(and (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.offset 0) (= |main_#t~mem13| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 130287#(and (not (= 2 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12)))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 130286#(and (not (= 2 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12)))) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12))) (= 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) (= main_~head~0.offset 0)), 130289#(and (not (= 2 (select (select |#memory_int| |main_#t~mem22.base|) (+ 0 12)))) (= 0 |main_#t~mem22.offset|)), 130288#(and (not (= 2 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 12)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 130291#(and (not (= 2 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)))) (= main_~head~0.offset 0)), 130290#(and (not (= 2 (select (select |#memory_int| main_~x~0.base) (+ 0 12)))) (= 0 main_~x~0.offset)), 130292#(and (= main_~head~0.offset 0) (not (= 2 |main_#t~mem23|)))] [2018-04-10 15:19:19,713 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 15:19:19,713 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-04-10 15:19:19,713 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-04-10 15:19:19,713 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=508, Unknown=0, NotChecked=0, Total=600 [2018-04-10 15:19:19,713 INFO L87 Difference]: Start difference. First operand 1116 states and 1253 transitions. Second operand 25 states. [2018-04-10 15:19:20,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:19:20,908 INFO L93 Difference]: Finished difference Result 1770 states and 1952 transitions. [2018-04-10 15:19:20,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-04-10 15:19:20,908 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 88 [2018-04-10 15:19:20,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:19:20,909 INFO L225 Difference]: With dead ends: 1770 [2018-04-10 15:19:20,909 INFO L226 Difference]: Without dead ends: 1770 [2018-04-10 15:19:20,910 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 2 SyntacticMatches, 5 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 713 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=675, Invalid=2517, Unknown=0, NotChecked=0, Total=3192 [2018-04-10 15:19:20,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1770 states. [2018-04-10 15:19:20,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1770 to 1189. [2018-04-10 15:19:20,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1189 states. [2018-04-10 15:19:20,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1189 states to 1189 states and 1329 transitions. [2018-04-10 15:19:20,916 INFO L78 Accepts]: Start accepts. Automaton has 1189 states and 1329 transitions. Word has length 88 [2018-04-10 15:19:20,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:19:20,916 INFO L459 AbstractCegarLoop]: Abstraction has 1189 states and 1329 transitions. [2018-04-10 15:19:20,916 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-04-10 15:19:20,916 INFO L276 IsEmpty]: Start isEmpty. Operand 1189 states and 1329 transitions. [2018-04-10 15:19:20,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-04-10 15:19:20,917 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:19:20,917 INFO L355 BasicCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1] [2018-04-10 15:19:20,917 INFO L408 AbstractCegarLoop]: === Iteration 88 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:19:20,917 INFO L82 PathProgramCache]: Analyzing trace with hash -1420783005, now seen corresponding path program 1 times [2018-04-10 15:19:20,918 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:19:20,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:19:20,924 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:19:21,276 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:19:21,277 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:19:21,277 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-04-10 15:19:21,277 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:19:21,277 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 15:19:21,277 INFO L182 omatonBuilderFactory]: Interpolants [133318#(= 0 |main_#t~malloc0.offset|), 133319#(= main_~head~0.offset 0), 133316#true, 133317#false, 133322#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (= 0 |main_#t~malloc6.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 133323#(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) (= main_~head~0.offset 0)), 133320#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 133321#(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)), 133326#(and (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))), 133327#(and (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 133324#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= |main_#t~mem7.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) (not (= main_~x~0.base |main_#t~mem7.base|))), 133325#(and (not (= main_~head~0.base |main_#t~mem8.base|)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 133330#(and (or (< main_~x~0.offset main_~head~0.offset) (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_~head~0.base) main_~head~0.offset)) (= 0 main_~x~0.offset))) (= main_~head~0.offset 0)), 133331#(and (or (< main_~x~0.offset main_~head~0.offset) (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset 0) (= |main_#t~mem13| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~head~0.offset 0)), 133328#(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)) (= main_~head~0.offset 0)), 133329#(and (= 0 |main_#t~mem21.offset|) (= |main_#t~mem21.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))), 133334#(and (not (= 2 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12)))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 133335#(and (not (= 2 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 12)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 133332#(and (or |main_#t~short15| (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= 2 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12)))) (= main_~x~0.offset 0) (= 0 (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)), 133333#(and (or (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= 2 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12)))) (= main_~x~0.offset 0) (= 0 (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)), 133338#(and (not (= 2 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)))) (= main_~head~0.offset 0)), 133339#(and (= main_~head~0.offset 0) (not (= 2 |main_#t~mem23|))), 133336#(and (not (= 2 (select (select |#memory_int| |main_#t~mem22.base|) (+ 0 12)))) (= 0 |main_#t~mem22.offset|)), 133337#(and (not (= 2 (select (select |#memory_int| main_~x~0.base) (+ 0 12)))) (= 0 main_~x~0.offset))] [2018-04-10 15:19:21,277 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:19:21,277 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-04-10 15:19:21,277 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-04-10 15:19:21,278 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=478, Unknown=0, NotChecked=0, Total=552 [2018-04-10 15:19:21,278 INFO L87 Difference]: Start difference. First operand 1189 states and 1329 transitions. Second operand 24 states. [2018-04-10 15:19:22,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:19:22,911 INFO L93 Difference]: Finished difference Result 1439 states and 1591 transitions. [2018-04-10 15:19:22,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2018-04-10 15:19:22,912 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 88 [2018-04-10 15:19:22,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:19:22,913 INFO L225 Difference]: With dead ends: 1439 [2018-04-10 15:19:22,913 INFO L226 Difference]: Without dead ends: 1439 [2018-04-10 15:19:22,914 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1688 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=993, Invalid=5013, Unknown=0, NotChecked=0, Total=6006 [2018-04-10 15:19:22,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1439 states. [2018-04-10 15:19:22,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1439 to 1110. [2018-04-10 15:19:22,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1110 states. [2018-04-10 15:19:22,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 1110 states and 1245 transitions. [2018-04-10 15:19:22,922 INFO L78 Accepts]: Start accepts. Automaton has 1110 states and 1245 transitions. Word has length 88 [2018-04-10 15:19:22,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:19:22,923 INFO L459 AbstractCegarLoop]: Abstraction has 1110 states and 1245 transitions. [2018-04-10 15:19:22,923 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-04-10 15:19:22,923 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 1245 transitions. [2018-04-10 15:19:22,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-04-10 15:19:22,924 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:19:22,924 INFO L355 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:19:22,924 INFO L408 AbstractCegarLoop]: === Iteration 89 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:19:22,924 INFO L82 PathProgramCache]: Analyzing trace with hash 1584812287, now seen corresponding path program 1 times [2018-04-10 15:19:22,925 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:19:22,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:19:22,938 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:19:23,071 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-04-10 15:19:23,071 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:19:23,071 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2018-04-10 15:19:23,072 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:19:23,072 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 15:19:23,072 INFO L182 omatonBuilderFactory]: Interpolants [136002#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8)) |main_#t~mem19.offset|) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 0 main_~x~0.offset)), 136003#(and (= main_~head~0.offset main_~x~0.offset) (or (not |main_#t~short20|) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8))) (= main_~x~0.base main_~head~0.base))) (= main_~head~0.offset 0)), 136000#(= main_~head~0.offset 0), 136001#(and (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 0 main_~x~0.offset)), 136006#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ 0 8))) (= 0 main_~x~0.offset)), 136007#(= 0 |main_#t~mem24.offset|), 136004#(and (= 0 (select (select |#memory_$Pointer$.offset| 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)), 136005#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0)), 135998#false, 135999#(= 0 |main_#t~malloc0.offset|), 135997#true] [2018-04-10 15:19:23,072 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-04-10 15:19:23,072 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-10 15:19:23,072 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-10 15:19:23,072 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-04-10 15:19:23,072 INFO L87 Difference]: Start difference. First operand 1110 states and 1245 transitions. Second operand 11 states. [2018-04-10 15:19:23,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:19:23,319 INFO L93 Difference]: Finished difference Result 1398 states and 1561 transitions. [2018-04-10 15:19:23,320 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-10 15:19:23,320 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 89 [2018-04-10 15:19:23,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:19:23,321 INFO L225 Difference]: With dead ends: 1398 [2018-04-10 15:19:23,321 INFO L226 Difference]: Without dead ends: 1398 [2018-04-10 15:19:23,321 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=307, Unknown=0, NotChecked=0, Total=420 [2018-04-10 15:19:23,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1398 states. [2018-04-10 15:19:23,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1398 to 1317. [2018-04-10 15:19:23,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1317 states. [2018-04-10 15:19:23,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1317 states to 1317 states and 1488 transitions. [2018-04-10 15:19:23,327 INFO L78 Accepts]: Start accepts. Automaton has 1317 states and 1488 transitions. Word has length 89 [2018-04-10 15:19:23,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:19:23,327 INFO L459 AbstractCegarLoop]: Abstraction has 1317 states and 1488 transitions. [2018-04-10 15:19:23,327 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-10 15:19:23,327 INFO L276 IsEmpty]: Start isEmpty. Operand 1317 states and 1488 transitions. [2018-04-10 15:19:23,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-04-10 15:19:23,328 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:19:23,328 INFO L355 BasicCegarLoop]: trace histogram [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] [2018-04-10 15:19:23,328 INFO L408 AbstractCegarLoop]: === Iteration 90 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:19:23,329 INFO L82 PathProgramCache]: Analyzing trace with hash 1184188658, now seen corresponding path program 1 times [2018-04-10 15:19:23,329 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:19:23,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:19:23,341 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:19:23,956 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 15:19:23,956 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:19:23,956 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-04-10 15:19:23,956 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:19:23,956 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 15:19:23,957 INFO L182 omatonBuilderFactory]: Interpolants [138754#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (or (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~head~0.offset 8))) (not (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= 16 (select |#length| (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) (= (select |#valid| main_~x~0.base) 1)), 138755#(and (or (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~head~0.offset 8))) (not (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 138752#(and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~x~0.offset)) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 138753#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~x~0.offset)) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 16 (select |#length| |main_#t~malloc6.base|))), 138758#(and (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (or (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~x~0.offset 0))) (= main_~head~0.offset 0) (or (and (<= 0 main_~x~0.offset) (= (select |#length| main_~x~0.base) 16)) (= main_~x~0.offset 0))), 138759#(and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~x~0.offset 0) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 138756#(and (or (not (= |main_#t~mem8.offset| 0)) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8)))) (not (= main_~head~0.base |main_#t~mem8.base|)) (= (select |#valid| main_~head~0.base) 1) (= 16 (select |#length| |main_#t~mem8.base|)) (= main_~head~0.offset 0)), 138757#(and (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (or (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~x~0.offset 0))) (= main_~head~0.offset 0) (or (= main_~x~0.offset 0) (= 16 (select |#length| main_~x~0.base)))), 138762#(and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= main_~head~0.offset 0)), 138763#(and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0)), 138760#(and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~head~0.base |main_#t~malloc10.base|)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 138761#(and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= main_~x~0.offset 0) (= main_~head~0.offset 0)), 138766#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ 0 8))) (= 0 main_~x~0.offset)), 138767#(= 0 |main_#t~mem24.offset|), 138764#(and (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~head~0.offset 8))) (= 0 main_~x~0.offset)), 138765#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8)) |main_#t~mem14.offset|) (= |main_#t~mem14.offset| main_~x~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 0 main_~x~0.offset)), 138743#true, 138746#(= main_~head~0.offset 0), 138747#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 138744#false, 138745#(= |main_#t~malloc0.offset| 0), 138750#(and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~head~0.base |main_#t~mem3.base|)) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 138751#(and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 138748#(and (= main_~head~0.offset |main_#t~malloc2.offset|) (= 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))), 138749#(and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))] [2018-04-10 15:19:23,957 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 15:19:23,957 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-04-10 15:19:23,957 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-04-10 15:19:23,957 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=511, Unknown=0, NotChecked=0, Total=600 [2018-04-10 15:19:23,957 INFO L87 Difference]: Start difference. First operand 1317 states and 1488 transitions. Second operand 25 states. [2018-04-10 15:19:24,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:19:24,970 INFO L93 Difference]: Finished difference Result 1556 states and 1775 transitions. [2018-04-10 15:19:24,971 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-04-10 15:19:24,971 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 90 [2018-04-10 15:19:24,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:19:24,972 INFO L225 Difference]: With dead ends: 1556 [2018-04-10 15:19:24,972 INFO L226 Difference]: Without dead ends: 1556 [2018-04-10 15:19:24,972 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 1 SyntacticMatches, 5 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 660 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=455, Invalid=2407, Unknown=0, NotChecked=0, Total=2862 [2018-04-10 15:19:24,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1556 states. [2018-04-10 15:19:24,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1556 to 1254. [2018-04-10 15:19:24,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1254 states. [2018-04-10 15:19:24,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1254 states to 1254 states and 1422 transitions. [2018-04-10 15:19:24,979 INFO L78 Accepts]: Start accepts. Automaton has 1254 states and 1422 transitions. Word has length 90 [2018-04-10 15:19:24,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:19:24,979 INFO L459 AbstractCegarLoop]: Abstraction has 1254 states and 1422 transitions. [2018-04-10 15:19:24,979 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-04-10 15:19:24,979 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 1422 transitions. [2018-04-10 15:19:24,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-04-10 15:19:24,980 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:19:24,980 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, 1, 1, 1, 1, 1, 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 15:19:24,980 INFO L408 AbstractCegarLoop]: === Iteration 91 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:19:24,980 INFO L82 PathProgramCache]: Analyzing trace with hash 687456904, now seen corresponding path program 2 times [2018-04-10 15:19:24,981 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:19:24,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:19:24,989 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:19:25,463 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 15:19:25,463 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:19:25,463 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-04-10 15:19:25,464 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:19:25,464 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 15:19:25,464 INFO L182 omatonBuilderFactory]: Interpolants [141638#(= |main_#t~malloc0.offset| 0), 141639#(= main_~head~0.offset 0), 141636#true, 141637#false, 141642#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 141643#(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) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 141640#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 141641#(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)), 141646#(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)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 141647#(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~malloc10.base|)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 141644#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 141645#(and (= |main_#t~mem8.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem8.base|) (not (= main_~head~0.base |main_#t~mem8.base|)) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 141650#(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_~head~0.base)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 141651#(and (not (= main_~x~0.base |main_#t~malloc6.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)) (not (= main_~head~0.base |main_#t~malloc6.base|)) (not (= main_~x~0.base main_~head~0.base))) (and (= main_~head~0.offset |main_#t~malloc6.offset|) (= |main_#t~malloc6.base| main_~head~0.base)))), 141648#(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 8)))) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 141649#(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~mem11.base| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 141654#(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)) (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)))) (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))), 141655#(or (and (not (= main_~head~0.base |main_#t~mem8.base|)) (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| (select (select |#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~mem8.base|))) (and (= |main_#t~mem8.base| main_~head~0.base) (= main_~head~0.offset |main_#t~mem8.offset|))), 141652#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (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)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~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)))), 141653#(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)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~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~mem7.base|))), 141658#(or (and (= 0 (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))))), 141659#(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)))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 141656#(or (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)) (and (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))))), 141657#(or (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)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (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))) (= (select |#valid| main_~x~0.base) 1))), 141662#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 141663#(= 1 (select |#valid| |main_#t~mem21.base|)), 141660#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) |main_#t~mem21.offset|))) (and (= 0 |main_#t~mem21.offset|) (= 0 |main_#t~mem21.base|))), 141661#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (= 0 main_~x~0.base) (= 0 main_~x~0.offset))), 141664#(= 1 (select |#valid| main_~x~0.base))] [2018-04-10 15:19:25,464 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 15:19:25,464 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-10 15:19:25,464 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-10 15:19:25,464 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=721, Unknown=0, NotChecked=0, Total=812 [2018-04-10 15:19:25,464 INFO L87 Difference]: Start difference. First operand 1254 states and 1422 transitions. Second operand 29 states. [2018-04-10 15:19:27,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:19:27,751 INFO L93 Difference]: Finished difference Result 1486 states and 1690 transitions. [2018-04-10 15:19:27,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2018-04-10 15:19:27,752 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 90 [2018-04-10 15:19:27,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:19:27,752 INFO L225 Difference]: With dead ends: 1486 [2018-04-10 15:19:27,752 INFO L226 Difference]: Without dead ends: 1486 [2018-04-10 15:19:27,753 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1571 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=951, Invalid=5211, Unknown=0, NotChecked=0, Total=6162 [2018-04-10 15:19:27,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1486 states. [2018-04-10 15:19:27,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1486 to 1320. [2018-04-10 15:19:27,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1320 states. [2018-04-10 15:19:27,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 1497 transitions. [2018-04-10 15:19:27,758 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 1497 transitions. Word has length 90 [2018-04-10 15:19:27,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:19:27,758 INFO L459 AbstractCegarLoop]: Abstraction has 1320 states and 1497 transitions. [2018-04-10 15:19:27,758 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-10 15:19:27,758 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 1497 transitions. [2018-04-10 15:19:27,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-04-10 15:19:27,759 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:19:27,759 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, 1, 1, 1, 1, 1, 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 15:19:27,759 INFO L408 AbstractCegarLoop]: === Iteration 92 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:19:27,759 INFO L82 PathProgramCache]: Analyzing trace with hash 687456905, now seen corresponding path program 2 times [2018-04-10 15:19:27,759 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:19:27,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:19:27,768 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:19:28,347 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 15:19:28,347 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:19:28,348 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-04-10 15:19:28,348 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:19:28,348 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 15:19:28,348 INFO L182 omatonBuilderFactory]: Interpolants [144578#(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) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 144579#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 144576#(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)), 144577#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 144582#(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~malloc10.base|)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 144583#(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 8)))) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 144580#(and (= |main_#t~mem8.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem8.base|) (not (= main_~head~0.base |main_#t~mem8.base|)) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 144581#(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)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 144586#(and (= main_~head~0.offset |main_#t~malloc6.offset|) (not (= main_~x~0.base |main_#t~malloc6.base|)) (= 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~malloc6.offset|) (not (= main_~x~0.base main_~head~0.base)) (= 16 (select |#length| |main_#t~malloc6.base|))), 144587#(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))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 16 (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)))), 144584#(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~mem11.base| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 144585#(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_~head~0.base)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 144590#(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 (= main_~head~0.base |main_#t~mem8.base|)) (= 16 (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~mem8.base|))) (and (= |main_#t~mem8.base| main_~head~0.base) (= main_~head~0.offset |main_#t~mem8.offset|))), 144591#(or (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)) (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))) (= 16 (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 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)))), 144588#(and (or (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 16 (select |#length| (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_~x~0.base) main_~x~0.offset))) (= |main_#t~mem7.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)))) (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~mem7.base|))), 144589#(or (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))) (= 16 (select |#length| (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_~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)))) (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))), 144594#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (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))) (= 16 (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)))))), 144595#(or (and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem21.base|) |main_#t~mem21.offset|)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) |main_#t~mem21.offset|)))) (and (= 0 |main_#t~mem21.offset|) (= 0 |main_#t~mem21.base|))), 144592#(or (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)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~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))) (= 16 (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 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)))), 144593#(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))) (= 16 (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 (= 0 (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)))), 144598#(and (= 16 (select |#length| |main_#t~mem21.base|)) (= 0 |main_#t~mem21.offset|)), 144599#(and (= 16 (select |#length| main_~x~0.base)) (= 0 main_~x~0.offset)), 144596#(or (and (= 16 (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))) (and (= 0 main_~x~0.base) (= 0 main_~x~0.offset))), 144597#(and (= 16 (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))), 144571#true, 144574#(= main_~head~0.offset 0), 144575#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 144572#false, 144573#(= |main_#t~malloc0.offset| 0)] [2018-04-10 15:19:28,348 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 15:19:28,348 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-10 15:19:28,348 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-10 15:19:28,348 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=725, Unknown=0, NotChecked=0, Total=812 [2018-04-10 15:19:28,348 INFO L87 Difference]: Start difference. First operand 1320 states and 1497 transitions. Second operand 29 states. [2018-04-10 15:19:30,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:19:30,663 INFO L93 Difference]: Finished difference Result 1524 states and 1733 transitions. [2018-04-10 15:19:30,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-04-10 15:19:30,663 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 90 [2018-04-10 15:19:30,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:19:30,664 INFO L225 Difference]: With dead ends: 1524 [2018-04-10 15:19:30,664 INFO L226 Difference]: Without dead ends: 1524 [2018-04-10 15:19:30,664 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1161 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=678, Invalid=4152, Unknown=0, NotChecked=0, Total=4830 [2018-04-10 15:19:30,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1524 states. [2018-04-10 15:19:30,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1524 to 1292. [2018-04-10 15:19:30,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1292 states. [2018-04-10 15:19:30,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1292 states to 1292 states and 1465 transitions. [2018-04-10 15:19:30,670 INFO L78 Accepts]: Start accepts. Automaton has 1292 states and 1465 transitions. Word has length 90 [2018-04-10 15:19:30,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:19:30,670 INFO L459 AbstractCegarLoop]: Abstraction has 1292 states and 1465 transitions. [2018-04-10 15:19:30,670 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-10 15:19:30,670 INFO L276 IsEmpty]: Start isEmpty. Operand 1292 states and 1465 transitions. [2018-04-10 15:19:30,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-04-10 15:19:30,671 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:19:30,671 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1] [2018-04-10 15:19:30,671 INFO L408 AbstractCegarLoop]: === Iteration 93 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:19:30,671 INFO L82 PathProgramCache]: Analyzing trace with hash -1724212558, now seen corresponding path program 3 times [2018-04-10 15:19:30,672 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:19:30,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:19:30,685 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:19:31,390 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:19:31,390 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:19:31,390 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-04-10 15:19:31,390 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:19:31,390 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 15:19:31,390 INFO L182 omatonBuilderFactory]: Interpolants [147522#(and (or (and (not (= |main_#t~mem7.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))))) (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~mem7.base|))), 147523#(or (and (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 (= 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))), 147520#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (or (and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~malloc6.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc6.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)) (and (= main_~head~0.offset |main_#t~malloc6.offset|) (= |main_#t~malloc6.base| main_~head~0.base)))), 147521#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (or (and (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 (= 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)))), 147526#(and (= (select |#valid| main_~x~0.base) 1) (or (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)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (= 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))))), 147527#(or (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)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (= 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)))), 147524#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem8.base|))) (and (= |main_#t~mem8.base| main_~head~0.base) (= main_~head~0.offset |main_#t~mem8.offset|)) (and (not (= main_~head~0.base |main_#t~mem8.base|)) (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 147525#(or (and (= 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))) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)) (and (= 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)))), 147530#(or (= 1 (select |#valid| |main_#t~mem21.base|)) (and (= 0 |main_#t~mem21.offset|) (= 0 |main_#t~mem21.base|))), 147531#(or (= 1 (select |#valid| main_~x~0.base)) (and (= 0 main_~x~0.base) (= 0 main_~x~0.offset))), 147528#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (and (= 0 (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)))), 147529#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (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)))), 147532#(= 1 (select |#valid| main_~x~0.base)), 147498#true, 147499#false, 147502#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 147503#(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)), 147500#(= |main_#t~malloc0.offset| 0), 147501#(= main_~head~0.offset 0), 147506#(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) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 147507#(and (not (= main_~head~0.base |main_#t~mem8.base|)) (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 147504#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 147505#(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) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 147510#(and (= 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 8)))) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 147511#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~mem11.base| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 147508#(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)) (= main_~head~0.offset 0)), 147509#(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~malloc10.base|)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 147514#(and (= main_~x~0.base (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) main_~head~0.offset) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 147515#(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 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)) (and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) main_~head~0.offset) (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|))), 147512#(and (= 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_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 147513#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= |main_#t~malloc6.offset| main_~head~0.offset) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 147518#(or (and (= 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)) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))), 147519#(and (or (and (= 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)) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))) (= (select |#valid| main_~x~0.base) 1)), 147516#(or (and (= 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))) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)) (and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) main_~head~0.offset) (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 147517#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem8.base|)) (= main_~head~0.offset 0)) (and (= main_~head~0.base |main_#t~mem8.base|) (= |main_#t~mem8.offset| main_~head~0.offset)))] [2018-04-10 15:19:31,391 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:19:31,391 INFO L442 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-04-10 15:19:31,391 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-04-10 15:19:31,391 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=1022, Unknown=0, NotChecked=0, Total=1190 [2018-04-10 15:19:31,391 INFO L87 Difference]: Start difference. First operand 1292 states and 1465 transitions. Second operand 35 states. [2018-04-10 15:19:33,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:19:33,614 INFO L93 Difference]: Finished difference Result 1631 states and 1881 transitions. [2018-04-10 15:19:33,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-04-10 15:19:33,614 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 90 [2018-04-10 15:19:33,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:19:33,615 INFO L225 Difference]: With dead ends: 1631 [2018-04-10 15:19:33,615 INFO L226 Difference]: Without dead ends: 1631 [2018-04-10 15:19:33,616 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1926 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1488, Invalid=5318, Unknown=0, NotChecked=0, Total=6806 [2018-04-10 15:19:33,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1631 states. [2018-04-10 15:19:33,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1631 to 1403. [2018-04-10 15:19:33,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1403 states. [2018-04-10 15:19:33,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1403 states to 1403 states and 1590 transitions. [2018-04-10 15:19:33,622 INFO L78 Accepts]: Start accepts. Automaton has 1403 states and 1590 transitions. Word has length 90 [2018-04-10 15:19:33,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:19:33,622 INFO L459 AbstractCegarLoop]: Abstraction has 1403 states and 1590 transitions. [2018-04-10 15:19:33,622 INFO L460 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-04-10 15:19:33,622 INFO L276 IsEmpty]: Start isEmpty. Operand 1403 states and 1590 transitions. [2018-04-10 15:19:33,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-04-10 15:19:33,623 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:19:33,623 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1] [2018-04-10 15:19:33,623 INFO L408 AbstractCegarLoop]: === Iteration 94 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:19:33,623 INFO L82 PathProgramCache]: Analyzing trace with hash -1724212557, now seen corresponding path program 3 times [2018-04-10 15:19:33,624 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:19:33,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:19:33,637 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:19:34,889 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:19:34,889 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:19:34,889 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-04-10 15:19:34,890 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:19:34,890 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 15:19:34,890 INFO L182 omatonBuilderFactory]: Interpolants [150663#true, 150666#(= main_~head~0.offset 0), 150667#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 150664#false, 150665#(= |main_#t~malloc0.offset| 0), 150670#(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)) (= 16 (select |#length| (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) (= (select |#valid| main_~x~0.base) 1)), 150671#(and (= 16 (select |#length| |main_#t~mem7.base|)) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 150668#(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)), 150669#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (= 0 |main_#t~malloc6.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 16 (select |#length| |main_#t~malloc6.base|))), 150674#(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~malloc10.base|)) (= 16 (select |#length| main_~x~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))), 150675#(and (= 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 8)))) (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)) (= (select |#valid| main_~x~0.base) 1) (= (select |#length| main_~x~0.base) 16)), 150672#(and (not (= main_~head~0.base |main_#t~mem8.base|)) (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (= 16 (select |#length| |main_#t~mem8.base|)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 150673#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 16 (select |#length| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (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))), 150678#(and (<= 16 (select |#length| main_~x~0.base)) (not (= main_~x~0.base |main_#t~malloc6.base|)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= |main_#t~malloc6.offset| 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))), 150679#(and (<= 16 (select |#length| main_~x~0.base)) (= main_~x~0.base (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) main_~head~0.offset) (not (= main_~x~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 |#valid| main_~x~0.base) 1)), 150676#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~mem11.base| 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)) (= (select |#valid| main_~x~0.base) 1) (= (select |#length| main_~x~0.base) 16)), 150677#(and (= 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_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#length| main_~x~0.base) 16)), 150682#(or (and (= main_~head~0.base |main_#t~mem8.base|) (= |main_#t~mem8.offset| main_~head~0.offset)) (and (<= 16 (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) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem8.offset| main_~head~0.offset))), 150683#(or (and (<= 16 (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_~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))) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))), 150680#(and (or (and (<= 16 (select |#length| main_~x~0.base)) (= main_~x~0.base (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) main_~head~0.offset) (= |main_#t~mem7.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 |#valid| main_~x~0.base) 1)) (and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) main_~head~0.offset) (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (not (= main_~x~0.base |main_#t~mem7.base|))), 150681#(or (and (<= 16 (select |#length| main_~x~0.base)) (= main_~x~0.base (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) main_~head~0.offset) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1) (= 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) (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 150686#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)))) (and (<= 16 (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)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 150687#(and (or (and (not (= |main_#t~mem7.base| main_~head~0.base)) (<= 16 (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))) (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~mem7.base|))), 150684#(and (or (and (<= 16 (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_~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))) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))) (= (select |#valid| main_~x~0.base) 1)), 150685#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (or (and (= main_~head~0.offset |main_#t~malloc6.offset|) (<= 16 (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~malloc6.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 16 (select |#length| |main_#t~malloc6.base|))))), 150690#(or (and (<= 16 (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))), 150691#(or (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)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (<= 16 (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)))), 150688#(or (and (<= 16 (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))) (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))), 150689#(or (and (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem8.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= |main_#t~mem8.base| main_~head~0.base) (= main_~head~0.offset |main_#t~mem8.offset|))), 150694#(or (and (= 0 |main_#t~mem21.offset|) (<= 16 (select |#length| |main_#t~mem21.base|))) (and (= 0 |main_#t~mem21.offset|) (= 0 |main_#t~mem21.base|))), 150695#(or (and (<= 16 (select |#length| main_~x~0.base)) (= 0 main_~x~0.offset)) (and (= 0 main_~x~0.base) (= 0 main_~x~0.offset))), 150692#(or (and (<= 16 (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 (= 0 (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)))), 150693#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (<= 16 (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)))), 150696#(and (<= 16 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0))] [2018-04-10 15:19:34,890 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:19:34,890 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-04-10 15:19:34,890 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-04-10 15:19:34,890 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=967, Unknown=0, NotChecked=0, Total=1122 [2018-04-10 15:19:34,891 INFO L87 Difference]: Start difference. First operand 1403 states and 1590 transitions. Second operand 34 states. [2018-04-10 15:19:37,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:19:37,813 INFO L93 Difference]: Finished difference Result 2025 states and 2334 transitions. [2018-04-10 15:19:37,813 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2018-04-10 15:19:37,813 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 90 [2018-04-10 15:19:37,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:19:37,814 INFO L225 Difference]: With dead ends: 2025 [2018-04-10 15:19:37,815 INFO L226 Difference]: Without dead ends: 2025 [2018-04-10 15:19:37,815 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 2 SyntacticMatches, 5 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2076 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=1264, Invalid=6046, Unknown=0, NotChecked=0, Total=7310 [2018-04-10 15:19:37,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2025 states. [2018-04-10 15:19:37,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2025 to 1477. [2018-04-10 15:19:37,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1477 states. [2018-04-10 15:19:37,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1477 states to 1477 states and 1674 transitions. [2018-04-10 15:19:37,822 INFO L78 Accepts]: Start accepts. Automaton has 1477 states and 1674 transitions. Word has length 90 [2018-04-10 15:19:37,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:19:37,822 INFO L459 AbstractCegarLoop]: Abstraction has 1477 states and 1674 transitions. [2018-04-10 15:19:37,822 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-04-10 15:19:37,822 INFO L276 IsEmpty]: Start isEmpty. Operand 1477 states and 1674 transitions. [2018-04-10 15:19:37,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-04-10 15:19:37,823 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:19:37,823 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, 1, 1, 1, 1, 1, 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 15:19:37,824 INFO L408 AbstractCegarLoop]: === Iteration 95 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:19:37,824 INFO L82 PathProgramCache]: Analyzing trace with hash -2047741186, now seen corresponding path program 4 times [2018-04-10 15:19:37,824 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:19:37,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:19:37,833 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:19:38,286 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 15:19:38,286 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:19:38,286 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-04-10 15:19:38,286 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:19:38,286 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 15:19:38,286 INFO L182 omatonBuilderFactory]: Interpolants [154306#(= 0 main_~head~0.offset), 154307#(and (= 0 main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base))), 154304#false, 154305#(= 0 |main_#t~malloc0.offset|), 154310#(and (= 0 main_~head~0.offset) (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) (= (select |#valid| main_~x~0.base) 1)), 154311#(and (= 0 main_~head~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_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= (select |#valid| main_~x~0.base) 1)), 154308#(and (= 0 main_~head~0.offset) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 154309#(and (= 0 main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc6.base|)) (= 0 |main_#t~malloc6.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 154314#(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)) (= (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)), 154315#(and (= 0 main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc6.base|)) (= 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~malloc6.base|)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 154312#(and (= 0 main_~head~0.offset) (= |main_#t~mem8.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem8.base|) (not (= main_~head~0.base |main_#t~mem8.base|)) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 154313#(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)) (= (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))), 154318#(and (= 0 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~mem8.base|)) (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| (select (select |#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~mem8.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 154319#(and (= 0 main_~head~0.offset) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 1) (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))), 154316#(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_~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)) (= (select |#valid| main_~x~0.base) 1)), 154317#(and (= 0 main_~head~0.offset) (not (= |main_#t~mem7.base| main_~head~0.base)) (= 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 (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.base |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 154322#(or (and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= 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))))) (and (= |main_#t~mem11.offset| main_~head~0.offset) (= |main_#t~mem11.base| main_~head~0.base))), 154323#(or (and (= 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))))) (and (= 0 (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)))), 154320#(and (= |main_#t~malloc10.offset| main_~head~0.offset) (not (= 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) |main_#t~malloc10.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))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 154321#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8)) 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 (= (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 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 154326#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 main_~x~0.offset)) (and (= 0 main_~x~0.base) (= 0 main_~x~0.offset))), 154327#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 154324#(and (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)))) (= 0 (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))), 154325#(or (and (= 0 |main_#t~mem21.offset|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) |main_#t~mem21.offset|)))) (and (= 0 |main_#t~mem21.offset|) (= 0 |main_#t~mem21.base|))), 154328#(= 1 (select |#valid| |main_#t~mem21.base|)), 154329#(= 1 (select |#valid| main_~x~0.base)), 154303#true] [2018-04-10 15:19:38,286 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 15:19:38,287 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-04-10 15:19:38,287 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-04-10 15:19:38,287 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=619, Unknown=0, NotChecked=0, Total=702 [2018-04-10 15:19:38,287 INFO L87 Difference]: Start difference. First operand 1477 states and 1674 transitions. Second operand 27 states. [2018-04-10 15:19:40,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:19:40,226 INFO L93 Difference]: Finished difference Result 1737 states and 1982 transitions. [2018-04-10 15:19:40,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-04-10 15:19:40,227 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 90 [2018-04-10 15:19:40,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:19:40,228 INFO L225 Difference]: With dead ends: 1737 [2018-04-10 15:19:40,228 INFO L226 Difference]: Without dead ends: 1737 [2018-04-10 15:19:40,228 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1072 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=722, Invalid=3834, Unknown=0, NotChecked=0, Total=4556 [2018-04-10 15:19:40,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1737 states. [2018-04-10 15:19:40,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1737 to 1513. [2018-04-10 15:19:40,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1513 states. [2018-04-10 15:19:40,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1513 states to 1513 states and 1713 transitions. [2018-04-10 15:19:40,234 INFO L78 Accepts]: Start accepts. Automaton has 1513 states and 1713 transitions. Word has length 90 [2018-04-10 15:19:40,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:19:40,235 INFO L459 AbstractCegarLoop]: Abstraction has 1513 states and 1713 transitions. [2018-04-10 15:19:40,235 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-04-10 15:19:40,235 INFO L276 IsEmpty]: Start isEmpty. Operand 1513 states and 1713 transitions. [2018-04-10 15:19:40,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-04-10 15:19:40,235 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:19:40,236 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, 1, 1, 1, 1, 1, 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 15:19:40,236 INFO L408 AbstractCegarLoop]: === Iteration 96 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:19:40,236 INFO L82 PathProgramCache]: Analyzing trace with hash -2047741185, now seen corresponding path program 4 times [2018-04-10 15:19:40,236 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:19:40,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:19:40,246 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:19:41,018 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 15:19:41,018 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:19:41,018 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-04-10 15:19:41,018 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:19:41,018 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 15:19:41,019 INFO L182 omatonBuilderFactory]: Interpolants [157662#true, 157663#false, 157666#(and (= 0 main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base))), 157667#(and (= 0 main_~head~0.offset) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 157664#(= 0 |main_#t~malloc0.offset|), 157665#(= 0 main_~head~0.offset), 157670#(and (= 0 main_~head~0.offset) (= 16 (select |#length| |main_#t~mem7.base|)) (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset) 0) (= (select |#valid| main_~x~0.base) 1)), 157671#(and (= 0 main_~head~0.offset) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem8.base|) (not (= main_~head~0.base |main_#t~mem8.base|)) (= (select |#valid| main_~head~0.base) 1) (= 16 (select |#length| |main_#t~mem8.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 157668#(and (= 0 main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc6.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 16 (select |#length| |main_#t~malloc6.base|)) (= |main_#t~malloc6.offset| 0)), 157669#(and (= 0 main_~head~0.offset) (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) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset) 0) (= (select |#valid| main_~x~0.base) 1)), 157674#(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)) (= main_~x~0.offset 0) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 157675#(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)) (= 0 |main_#t~malloc6.offset|) (not (= main_~x~0.base |main_#t~malloc6.base|)) (not (= main_~head~0.base |main_#t~malloc6.base|)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base)) (= 16 (select |#length| |main_#t~malloc6.base|))), 157672#(and (or (not (= main_~x~0.offset 0)) (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)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)))) (or (= main_~x~0.offset 0) (= 16 (select |#length| main_~x~0.base)))), 157673#(and (or (not (= main_~x~0.offset 0)) (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)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)))) (= (select |#valid| main_~x~0.base) 1) (or (= main_~x~0.offset 0) (and (<= 0 main_~x~0.offset) (= 16 (select |#length| main_~x~0.base))))), 157678#(and (= 0 main_~head~0.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))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 1) (not (= main_~head~0.base |main_#t~mem8.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#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~mem8.base|) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem8.base|)) (= 16 (select |#length| |main_#t~mem8.base|))), 157679#(and (= 0 main_~head~0.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))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 1) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 16 (select |#length| main_~x~0.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)))), 157676#(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_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset 0) (= 16 (select |#length| (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))) (= (select |#valid| main_~x~0.base) 1)), 157677#(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)) (= 16 (select |#length| |main_#t~mem7.base|)) (= main_~x~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 157682#(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| main_~x~0.base) (+ main_~x~0.offset 8)) main_~head~0.offset) (<= 16 (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))) (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 8))))), 157683#(or (and (= |main_#t~mem11.offset| main_~head~0.offset) (= |main_#t~mem11.base| main_~head~0.base)) (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~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base)) (<= 16 (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)))))), 157680#(and (= 0 main_~head~0.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))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 1) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (<= 0 main_~x~0.offset) (= 16 (select |#length| main_~x~0.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)))), 157681#(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))) (<= 16 (select |#length| main_~x~0.base)) (= |main_#t~malloc10.offset| main_~head~0.offset) (not (= 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) |main_#t~malloc10.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)))), 157686#(or (and (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) |main_#t~mem21.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem21.base|) |main_#t~mem21.offset|))) (and (= 0 |main_#t~mem21.offset|) (= 0 |main_#t~mem21.base|))), 157687#(or (and (<= 16 (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))) (and (= 0 main_~x~0.base) (= 0 main_~x~0.offset))), 157684#(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))) (<= 16 (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 (= 0 (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)))), 157685#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (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))) (<= 16 (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)))))), 157690#(and (<= 16 (select |#length| main_~x~0.base)) (= 0 main_~x~0.offset)), 157688#(and (<= 16 (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))), 157689#(and (= 0 |main_#t~mem21.offset|) (<= 16 (select |#length| |main_#t~mem21.base|)))] [2018-04-10 15:19:41,019 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 15:19:41,019 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-10 15:19:41,019 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-10 15:19:41,019 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=715, Unknown=0, NotChecked=0, Total=812 [2018-04-10 15:19:41,019 INFO L87 Difference]: Start difference. First operand 1513 states and 1713 transitions. Second operand 29 states. [2018-04-10 15:19:43,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:19:43,338 INFO L93 Difference]: Finished difference Result 1802 states and 2056 transitions. [2018-04-10 15:19:43,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-04-10 15:19:43,338 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 90 [2018-04-10 15:19:43,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:19:43,339 INFO L225 Difference]: With dead ends: 1802 [2018-04-10 15:19:43,339 INFO L226 Difference]: Without dead ends: 1802 [2018-04-10 15:19:43,340 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 5 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1249 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=728, Invalid=4242, Unknown=0, NotChecked=0, Total=4970 [2018-04-10 15:19:43,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1802 states. [2018-04-10 15:19:43,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1802 to 1452. [2018-04-10 15:19:43,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1452 states. [2018-04-10 15:19:43,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1452 states to 1452 states and 1650 transitions. [2018-04-10 15:19:43,346 INFO L78 Accepts]: Start accepts. Automaton has 1452 states and 1650 transitions. Word has length 90 [2018-04-10 15:19:43,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:19:43,346 INFO L459 AbstractCegarLoop]: Abstraction has 1452 states and 1650 transitions. [2018-04-10 15:19:43,346 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-10 15:19:43,346 INFO L276 IsEmpty]: Start isEmpty. Operand 1452 states and 1650 transitions. [2018-04-10 15:19:43,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-04-10 15:19:43,347 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:19:43,347 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1] [2018-04-10 15:19:43,347 INFO L408 AbstractCegarLoop]: === Iteration 97 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:19:43,347 INFO L82 PathProgramCache]: Analyzing trace with hash -164443352, now seen corresponding path program 5 times [2018-04-10 15:19:43,348 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:19:43,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:19:43,366 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:19:43,934 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:19:43,934 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:19:43,934 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-04-10 15:19:43,934 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:19:43,934 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 15:19:43,935 INFO L182 omatonBuilderFactory]: Interpolants [161030#false, 161031#(= 1 (select |#valid| main_~head~0.base)), 161029#true, 161034#(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) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 161035#(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) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= (select |#valid| main_~x~0.base) 1)), 161032#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 161033#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 161038#(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)), 161039#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc6.base|)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| |main_#t~malloc6.base|) 1)), 161036#(and (not (= main_~head~0.base |main_#t~mem8.base|)) (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1)), 161037#(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))), 161042#(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 |#valid| main_~x~0.base) 1)), 161043#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem8.base|)) (= (select |#valid| main_~head~0.base) 1)), 161040#(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| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 1) (= (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 |#valid| main_~x~0.base) 1)), 161041#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 1) (= (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))) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|)) (= (select |#valid| main_~x~0.base) 1)), 161046#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (not (= (select |#valid| main_~head~0.base) 0)) (= 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)) (= (select |#valid| main_~x~0.base) 1)), 161047#(and (not (= (select |#valid| main_~head~0.base) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 161044#(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))), 161045#(and (not (= main_~head~0.base |main_#t~malloc10.base|)) (not (= (select |#valid| main_~head~0.base) 0)) (= 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))), 161050#(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))) (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))))), 161051#(and (not (= |main_#t~mem7.base| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem7.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))))), 161048#(and (not (= (select |#valid| main_~head~0.base) 0)) (= 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)) (= (select |#valid| main_~x~0.base) 1)), 161049#(and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~malloc6.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base |main_#t~malloc6.base|)) (not (= main_~head~0.base |main_#t~malloc6.base|)) (not (= main_~x~0.base main_~head~0.base))), 161054#(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)))) (not (= main_~x~0.base main_~head~0.base))), 161055#(and (= 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))), 161052#(and (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))))), 161053#(and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem8.base|))), 161058#(= 1 (select |#valid| |main_#t~mem21.base|)), 161059#(= 1 (select |#valid| main_~x~0.base)), 161056#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 161057#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))] [2018-04-10 15:19:43,935 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:19:43,935 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-04-10 15:19:43,935 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-04-10 15:19:43,935 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=794, Unknown=0, NotChecked=0, Total=930 [2018-04-10 15:19:43,936 INFO L87 Difference]: Start difference. First operand 1452 states and 1650 transitions. Second operand 31 states. [2018-04-10 15:19:45,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:19:45,701 INFO L93 Difference]: Finished difference Result 1524 states and 1727 transitions. [2018-04-10 15:19:45,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-04-10 15:19:45,702 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 90 [2018-04-10 15:19:45,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:19:45,703 INFO L225 Difference]: With dead ends: 1524 [2018-04-10 15:19:45,703 INFO L226 Difference]: Without dead ends: 1524 [2018-04-10 15:19:45,703 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1343 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=932, Invalid=4324, Unknown=0, NotChecked=0, Total=5256 [2018-04-10 15:19:45,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1524 states. [2018-04-10 15:19:45,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1524 to 1359. [2018-04-10 15:19:45,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1359 states. [2018-04-10 15:19:45,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1359 states to 1359 states and 1547 transitions. [2018-04-10 15:19:45,710 INFO L78 Accepts]: Start accepts. Automaton has 1359 states and 1547 transitions. Word has length 90 [2018-04-10 15:19:45,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:19:45,710 INFO L459 AbstractCegarLoop]: Abstraction has 1359 states and 1547 transitions. [2018-04-10 15:19:45,710 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-04-10 15:19:45,710 INFO L276 IsEmpty]: Start isEmpty. Operand 1359 states and 1547 transitions. [2018-04-10 15:19:45,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-04-10 15:19:45,711 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:19:45,711 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1] [2018-04-10 15:19:45,711 INFO L408 AbstractCegarLoop]: === Iteration 98 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:19:45,711 INFO L82 PathProgramCache]: Analyzing trace with hash -164443351, now seen corresponding path program 5 times [2018-04-10 15:19:45,711 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:19:45,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:19:45,732 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:19:47,548 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:19:47,548 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:19:47,548 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-04-10 15:19:47,548 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:19:47,549 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 15:19:47,549 INFO L182 omatonBuilderFactory]: Interpolants [164034#(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)) (= 16 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0)) (and (= 16 (select |#length| main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0))) (= (select |#valid| main_~head~0.base) 1)), 164035#(and (or (and (<= 0 main_~x~0.offset) (= 16 (select |#length| main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)) (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_~x~0.offset) (= 16 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0))) (= (select |#valid| main_~head~0.base) 1) (= (select |#valid| main_~x~0.base) 1)), 164032#(and (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.offset 0) (= 16 (select |#length| main_~x~0.base)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 164033#(and (= |main_#t~mem8.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem8.base|) (= (select |#valid| main_~head~0.base) 1) (= 16 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0)), 164038#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (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)) (<= (+ main_~x~0.offset 16) (select |#length| main_~x~0.base)) (<= 0 main_~x~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 16 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0)) (and (<= main_~x~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (<= 0 main_~x~0.offset) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 16 (select |#length| main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0))) (= (select |#valid| main_~x~0.base) (select |#valid| main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 164039#(and (or (and (not (= |main_#t~mem7.base| main_~head~0.base)) (= 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 16) (select |#length| main_~x~0.base)) (<= 0 main_~x~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 16 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0)) (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (<= main_~x~0.offset 0) (<= 0 main_~x~0.offset) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 16 (select |#length| main_~head~0.base)) (= |main_#t~mem7.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))) (= (select |#valid| main_~x~0.base) (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem7.base|)) (= (select |#valid| main_~x~0.base) 1)), 164036#(and (or (and (= main_~x~0.offset 0) (= 16 (select |#length| main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)) (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 16) (select |#length| main_~x~0.base)) (<= 0 main_~x~0.offset) (= 16 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0))) (= (select |#valid| main_~head~0.base) 1) (= (select |#valid| main_~x~0.base) 1)), 164037#(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)) (<= (+ main_~x~0.offset 16) (select |#length| main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc6.base|)) (<= 0 main_~x~0.offset) (not (= main_~x~0.base main_~head~0.base)) (= 16 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0)) (and (= 0 |main_#t~malloc6.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.offset 0) (= 16 (select |#length| main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= 16 (select |#length| |main_#t~malloc6.base|)))) (not (= main_~x~0.base |main_#t~malloc6.base|)) (= (select |#valid| main_~head~0.base) 1)), 164042#(and (or (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) 0)) (= 16 (select |#length| main_~x~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 16 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 16) (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) (<= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base main_~head~0.base)) (= 16 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0))) (= (select |#valid| main_~head~0.base) 1)), 164043#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 16) (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) (<= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 16 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0)), 164040#(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)) (<= (+ main_~x~0.offset 16) (select |#length| main_~x~0.base)) (<= 0 main_~x~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 16 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0)) (and (<= main_~x~0.offset 0) (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)) (<= 0 main_~x~0.offset) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 16 (select |#length| main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0))) (= (select |#valid| main_~x~0.base) (select |#valid| main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 164041#(and (or (and (not (= main_~head~0.base |main_#t~mem8.base|)) (= 16 (select |#length| main_~head~0.base)) (= 16 (select |#length| |main_#t~mem8.base|)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) 0))) (and (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 16) (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~mem8.base|)) (<= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 16 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0))) (= (select |#valid| main_~head~0.base) 1)), 164046#(and (= (select |#valid| main_~head~0.base) 1) (or (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) 0)) (not (= |main_#t~mem11.base| main_~head~0.base)) (= 16 (select |#length| main_~x~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 16 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 16) (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_#t~mem11.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_~head~0.base)) (= 16 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0)))), 164047#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 16) (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc6.base|)) (<= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base main_~head~0.base)) (= 16 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0)), 164044#(and (or (and (not (= main_~x~0.base |main_#t~malloc10.base|)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) 0)) (not (= main_~head~0.base |main_#t~malloc10.base|)) (= 16 (select |#length| main_~x~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 16 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 16) (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc10.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 1) (<= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base main_~head~0.base)) (= 16 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0))) (= (select |#valid| main_~head~0.base) 1)), 164045#(and (or (and (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 16) (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 8)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 1) (<= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base main_~head~0.base)) (= 16 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0)) (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= 16 (select |#length| main_~x~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 16 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= (select |#valid| main_~head~0.base) 1)), 164050#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 16) (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)) (= 16 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0)), 164051#(or (<= (+ main_~x~0.offset 1) 0) (and (or (not (= main_~x~0.offset 0)) (= main_~x~0.offset main_~head~0.offset)) (= 16 (select |#length| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)) (and (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 16) (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)) (not (= main_~x~0.base main_~head~0.base)))), 164048#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 16) (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)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 16 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0)), 164049#(and (not (= |main_#t~mem7.base| main_~head~0.base)) (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 16) (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)) (= 16 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0)), 164054#(or (and (= 0 (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 (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 16) (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)))), 164055#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 16) (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)))), 164052#(or (and (or (and (not (= main_~x~0.offset 0)) (<= 0 main_~x~0.offset)) (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)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (= (select |#length| main_~x~0.base) 16)) (and (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 16) (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)) (not (= main_~x~0.base main_~head~0.base)))), 164053#(or (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)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= (select |#length| main_~x~0.base) 16)) (and (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 16) (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)) (not (= main_~x~0.base main_~head~0.base)))), 164058#(and (<= (+ main_~x~0.offset 16) (select |#length| main_~x~0.base)) (<= 0 main_~x~0.offset)), 164056#(or (and (= 0 |main_#t~mem21.offset|) (= 0 |main_#t~mem21.base|)) (and (<= (+ |main_#t~mem21.offset| 16) (select |#length| |main_#t~mem21.base|)) (<= 0 |main_#t~mem21.offset|))), 164057#(or (and (<= (+ main_~x~0.offset 16) (select |#length| main_~x~0.base)) (<= 0 main_~x~0.offset)) (and (= 0 main_~x~0.base) (= 0 main_~x~0.offset))), 164027#true, 164030#(and (= 0 main_~head~0.offset) (= 16 (select |#length| main_~head~0.base))), 164031#(and (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.offset 0) (= 16 (select |#length| main_~x~0.base)) (= main_~x~0.base main_~head~0.base)), 164028#false, 164029#(and (= 16 (select |#length| |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|))] [2018-04-10 15:19:47,549 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:19:47,549 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-04-10 15:19:47,549 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-04-10 15:19:47,549 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=812, Unknown=0, NotChecked=0, Total=992 [2018-04-10 15:19:47,549 INFO L87 Difference]: Start difference. First operand 1359 states and 1547 transitions. Second operand 32 states. [2018-04-10 15:19:50,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:19:50,771 INFO L93 Difference]: Finished difference Result 1923 states and 2204 transitions. [2018-04-10 15:19:50,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-04-10 15:19:50,771 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 90 [2018-04-10 15:19:50,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:19:50,773 INFO L225 Difference]: With dead ends: 1923 [2018-04-10 15:19:50,773 INFO L226 Difference]: Without dead ends: 1923 [2018-04-10 15:19:50,773 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1904 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=1103, Invalid=5217, Unknown=0, NotChecked=0, Total=6320 [2018-04-10 15:19:50,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1923 states. [2018-04-10 15:19:50,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1923 to 1348. [2018-04-10 15:19:50,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1348 states. [2018-04-10 15:19:50,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1348 states to 1348 states and 1533 transitions. [2018-04-10 15:19:50,779 INFO L78 Accepts]: Start accepts. Automaton has 1348 states and 1533 transitions. Word has length 90 [2018-04-10 15:19:50,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:19:50,780 INFO L459 AbstractCegarLoop]: Abstraction has 1348 states and 1533 transitions. [2018-04-10 15:19:50,780 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-04-10 15:19:50,780 INFO L276 IsEmpty]: Start isEmpty. Operand 1348 states and 1533 transitions. [2018-04-10 15:19:50,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-04-10 15:19:50,780 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:19:50,780 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:19:50,781 INFO L408 AbstractCegarLoop]: === Iteration 99 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:19:50,781 INFO L82 PathProgramCache]: Analyzing trace with hash -2130382837, now seen corresponding path program 2 times [2018-04-10 15:19:50,781 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:19:50,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:19:50,786 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:19:50,885 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 33 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 15:19:50,885 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:19:50,886 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-04-10 15:19:50,886 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:19:50,886 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 15:19:50,886 INFO L182 omatonBuilderFactory]: Interpolants [167426#true, 167427#false, 167430#(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))), 167431#(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~mem21.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~mem21.base|)), 167428#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 167429#(and (= |main_#t~mem21.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem21.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 167434#(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))) (= 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)))), 167435#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem22.base|) |main_#t~mem22.offset|)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem22.base|) |main_#t~mem22.offset|))), 167432#(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_~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_~x~0.base)), 167433#(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 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 167438#(and (= 0 main_~x~0.base) (= 0 main_~x~0.offset)), 167436#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 167437#(and (= 0 |main_#t~mem22.base|) (= 0 |main_#t~mem22.offset|))] [2018-04-10 15:19:50,886 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 33 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 15:19:50,886 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-10 15:19:50,886 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-10 15:19:50,886 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2018-04-10 15:19:50,886 INFO L87 Difference]: Start difference. First operand 1348 states and 1533 transitions. Second operand 13 states. [2018-04-10 15:19:51,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:19:51,351 INFO L93 Difference]: Finished difference Result 1780 states and 2093 transitions. [2018-04-10 15:19:51,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-10 15:19:51,351 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 91 [2018-04-10 15:19:51,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:19:51,352 INFO L225 Difference]: With dead ends: 1780 [2018-04-10 15:19:51,352 INFO L226 Difference]: Without dead ends: 1780 [2018-04-10 15:19:51,352 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=396, Unknown=0, NotChecked=0, Total=462 [2018-04-10 15:19:51,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1780 states. [2018-04-10 15:19:51,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1780 to 1594. [2018-04-10 15:19:51,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1594 states. [2018-04-10 15:19:51,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1594 states to 1594 states and 1855 transitions. [2018-04-10 15:19:51,362 INFO L78 Accepts]: Start accepts. Automaton has 1594 states and 1855 transitions. Word has length 91 [2018-04-10 15:19:51,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:19:51,362 INFO L459 AbstractCegarLoop]: Abstraction has 1594 states and 1855 transitions. [2018-04-10 15:19:51,362 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-10 15:19:51,362 INFO L276 IsEmpty]: Start isEmpty. Operand 1594 states and 1855 transitions. [2018-04-10 15:19:51,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-04-10 15:19:51,363 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:19:51,363 INFO L355 BasicCegarLoop]: trace histogram [3, 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] [2018-04-10 15:19:51,363 INFO L408 AbstractCegarLoop]: === Iteration 100 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:19:51,363 INFO L82 PathProgramCache]: Analyzing trace with hash -892332889, now seen corresponding path program 1 times [2018-04-10 15:19:51,364 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:19:51,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:19:51,370 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:19:52,069 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:19:52,070 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:19:52,070 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-04-10 15:19:52,070 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:19:52,070 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 15:19:52,070 INFO L182 omatonBuilderFactory]: Interpolants [170831#true, 170834#(= main_~head~0.offset 0), 170835#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 170832#false, 170833#(= |main_#t~malloc0.offset| 0), 170838#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~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) (= main_~head~0.offset 0)), 170839#(and (= main_~head~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) (not (= main_~x~0.base |main_#t~mem7.base|)) (= main_~head~0.offset 0)), 170836#(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)), 170837#(and (= main_~head~0.offset |main_#t~malloc6.offset|) (not (= main_~x~0.base |main_#t~malloc6.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 170842#(and (or (and (= 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))) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))) (= main_~head~0.offset 0)), 170843#(and (or (and (= 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 |#valid| main_~x~0.base) 1)) (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)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (= main_~head~0.offset 0)), 170840#(and (= main_~head~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) (= main_~head~0.offset 0)), 170841#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem8.base|) (= main_~head~0.offset |main_#t~mem8.offset|) (= main_~head~0.offset 0)), 170846#(and (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)) |main_#t~mem19.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)) (and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~x~0.offset 0) (= main_~head~0.offset 0)), 170847#(and (or (not |main_#t~short20|) (and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base))) (= main_~x~0.offset 0) (= main_~head~0.offset 0)), 170844#(and (or (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)))) (and (= 0 (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_~head~0.offset 0)), 170845#(and (or (and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~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))) (= main_~head~0.offset 0) (= 0 main_~x~0.offset)), 170850#(and (= main_~head~0.offset 0) (or (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)) (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_~head~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)) (= 0 (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))))), 170851#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)) (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_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0)), 170848#(and (= main_~x~0.offset 0) (= main_~head~0.offset 0) (or (and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)))), 170849#(and (= main_~head~0.offset 0) (or (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)) (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_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (and (= |main_#t~mem21.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem21.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))))), 170854#(and (not (= main_~head~0.base |main_#t~mem22.base|)) (= main_~head~0.offset 0) (= 1 (select |#valid| |main_#t~mem22.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)) |main_#t~mem22.base|))), 170855#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)) main_~x~0.base)) (= main_~head~0.offset 0)), 170852#(and (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ 0 8)) (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))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 main_~x~0.offset)), 170853#(and (= 1 (select |#valid| (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 8)) (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)), 170858#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base))), 170859#(= 1 (select |#valid| main_~x~0.base)), 170856#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base)) (not (= |main_#t~mem24.base| main_~x~0.base)) (= main_~head~0.offset 0)), 170857#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base)) (= main_~head~0.offset 0))] [2018-04-10 15:19:52,070 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:19:52,070 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-10 15:19:52,071 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-10 15:19:52,071 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=701, Unknown=0, NotChecked=0, Total=812 [2018-04-10 15:19:52,071 INFO L87 Difference]: Start difference. First operand 1594 states and 1855 transitions. Second operand 29 states. [2018-04-10 15:19:53,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:19:53,365 INFO L93 Difference]: Finished difference Result 1698 states and 1959 transitions. [2018-04-10 15:19:53,366 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-04-10 15:19:53,366 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 92 [2018-04-10 15:19:53,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:19:53,366 INFO L225 Difference]: With dead ends: 1698 [2018-04-10 15:19:53,367 INFO L226 Difference]: Without dead ends: 1698 [2018-04-10 15:19:53,367 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 777 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=637, Invalid=2903, Unknown=0, NotChecked=0, Total=3540 [2018-04-10 15:19:53,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1698 states. [2018-04-10 15:19:53,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1698 to 1667. [2018-04-10 15:19:53,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1667 states. [2018-04-10 15:19:53,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1667 states to 1667 states and 1930 transitions. [2018-04-10 15:19:53,373 INFO L78 Accepts]: Start accepts. Automaton has 1667 states and 1930 transitions. Word has length 92 [2018-04-10 15:19:53,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:19:53,373 INFO L459 AbstractCegarLoop]: Abstraction has 1667 states and 1930 transitions. [2018-04-10 15:19:53,374 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-10 15:19:53,374 INFO L276 IsEmpty]: Start isEmpty. Operand 1667 states and 1930 transitions. [2018-04-10 15:19:53,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-04-10 15:19:53,374 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:19:53,375 INFO L355 BasicCegarLoop]: trace histogram [3, 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] [2018-04-10 15:19:53,375 INFO L408 AbstractCegarLoop]: === Iteration 101 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:19:53,375 INFO L82 PathProgramCache]: Analyzing trace with hash -1121540025, now seen corresponding path program 1 times [2018-04-10 15:19:53,375 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:19:53,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:19:53,382 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:19:53,578 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 15:19:53,578 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:19:53,578 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-04-10 15:19:53,578 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:19:53,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:19:53,579 INFO L182 omatonBuilderFactory]: Interpolants [174306#(and (<= main_~head~0.offset 0) (<= 0 main_~head~0.offset)), 174304#(and (= main_~x~0.offset main_~head~0.offset) (= 16 (select |#length| main_~head~0.base))), 174305#(and (<= 0 main_~head~0.offset) (= 16 (select |#length| main_~head~0.base))), 174287#true, 174290#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 174291#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 16 (select |#length| |main_#t~malloc6.base|))), 174288#false, 174289#(= 1 (select |#valid| main_~head~0.base)), 174294#(and (not (= main_~head~0.base |main_#t~mem8.base|)) (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (= 16 (select |#length| |main_#t~mem8.base|))), 174295#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 16 (select |#length| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 174292#(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) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 174293#(and (= 16 (select |#length| |main_#t~mem7.base|)) (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= (select |#valid| main_~x~0.base) 1)), 174298#(and (not (= |main_#t~mem11.base| main_~head~0.base)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 174299#(= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 174296#(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~malloc10.base|)) (= 16 (select |#length| main_~x~0.base)) (not (= main_~x~0.base main_~head~0.base))), 174297#(and (= 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 8)))) (= 16 (select |#length| main_~x~0.base))), 174302#(= 16 (select |#length| |main_#t~mem22.base|)), 174303#(= 16 (select |#length| main_~x~0.base)), 174300#(and (= main_~x~0.base main_~head~0.base) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)))), 174301#(= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))] [2018-04-10 15:19:53,579 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 15:19:53,579 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-04-10 15:19:53,579 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-04-10 15:19:53,579 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=320, Unknown=0, NotChecked=0, Total=380 [2018-04-10 15:19:53,579 INFO L87 Difference]: Start difference. First operand 1667 states and 1930 transitions. Second operand 20 states. [2018-04-10 15:19:54,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:19:54,249 INFO L93 Difference]: Finished difference Result 1718 states and 1980 transitions. [2018-04-10 15:19:54,249 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-04-10 15:19:54,249 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 92 [2018-04-10 15:19:54,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:19:54,250 INFO L225 Difference]: With dead ends: 1718 [2018-04-10 15:19:54,250 INFO L226 Difference]: Without dead ends: 1718 [2018-04-10 15:19:54,250 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 387 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=257, Invalid=1465, Unknown=0, NotChecked=0, Total=1722 [2018-04-10 15:19:54,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1718 states. [2018-04-10 15:19:54,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1718 to 1694. [2018-04-10 15:19:54,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1694 states. [2018-04-10 15:19:54,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1694 states to 1694 states and 1962 transitions. [2018-04-10 15:19:54,256 INFO L78 Accepts]: Start accepts. Automaton has 1694 states and 1962 transitions. Word has length 92 [2018-04-10 15:19:54,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:19:54,256 INFO L459 AbstractCegarLoop]: Abstraction has 1694 states and 1962 transitions. [2018-04-10 15:19:54,256 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-04-10 15:19:54,256 INFO L276 IsEmpty]: Start isEmpty. Operand 1694 states and 1962 transitions. [2018-04-10 15:19:54,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-04-10 15:19:54,257 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:19:54,257 INFO L355 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:19:54,257 INFO L408 AbstractCegarLoop]: === Iteration 102 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:19:54,257 INFO L82 PathProgramCache]: Analyzing trace with hash -1617359293, now seen corresponding path program 3 times [2018-04-10 15:19:54,258 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:19:54,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:19:54,264 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:19:54,652 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 15:19:54,652 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:19:54,652 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-04-10 15:19:54,652 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:19:54,653 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 15:19:54,653 INFO L182 omatonBuilderFactory]: Interpolants [177763#true, 177766#(= (store |#valid| |main_#t~malloc0.base| 0) |old(#valid)|), 177767#(= (store |#valid| main_~head~0.base 0) |old(#valid)|), 177764#false, 177765#(= |#valid| |old(#valid)|), 177770#(and (= (store (store |#valid| |main_#t~malloc6.base| 0) main_~head~0.base 0) |old(#valid)|) (not (= main_~x~0.base |main_#t~malloc6.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 177771#(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) (= main_~x~0.base main_~head~0.base) (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) main_~head~0.base 0) |old(#valid)|)), 177768#(and (= 1 (select |#valid| main_~head~0.base)) (= (store |#valid| main_~head~0.base 0) |old(#valid)|)), 177769#(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)), 177774#(and (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) |old(#valid)|) (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))), 177775#(and (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) |old(#valid)|) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 177772#(and (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) main_~head~0.base 0) |old(#valid)|)), 177773#(and (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) |old(#valid)|) (not (= main_~head~0.base |main_#t~mem8.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 177778#(and (not (= main_~head~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_~head~0.base 0) |old(#valid)|)), 177779#(and (not (= main_~head~0.base |main_#t~mem22.base|)) (= (store (store |#valid| |main_#t~mem22.base| 0) main_~head~0.base 0) |old(#valid)|)), 177776#(and (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) 0) main_~head~0.base 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)), 177777#(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)|)), 177780#(and (not (= main_~head~0.base main_~x~0.base)) (= (store (store |#valid| main_~x~0.base 0) main_~head~0.base 0) |old(#valid)|)), 177781#(= (store |#valid| main_~x~0.base 0) |old(#valid)|)] [2018-04-10 15:19:54,653 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 15:19:54,653 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-04-10 15:19:54,653 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-04-10 15:19:54,653 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2018-04-10 15:19:54,653 INFO L87 Difference]: Start difference. First operand 1694 states and 1962 transitions. Second operand 19 states. [2018-04-10 15:19:55,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:19:55,188 INFO L93 Difference]: Finished difference Result 1745 states and 2012 transitions. [2018-04-10 15:19:55,188 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-04-10 15:19:55,188 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 92 [2018-04-10 15:19:55,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:19:55,189 INFO L225 Difference]: With dead ends: 1745 [2018-04-10 15:19:55,189 INFO L226 Difference]: Without dead ends: 1687 [2018-04-10 15:19:55,189 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 2 SyntacticMatches, 7 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=136, Invalid=794, Unknown=0, NotChecked=0, Total=930 [2018-04-10 15:19:55,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1687 states. [2018-04-10 15:19:55,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1687 to 1687. [2018-04-10 15:19:55,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1687 states. [2018-04-10 15:19:55,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1687 states to 1687 states and 1954 transitions. [2018-04-10 15:19:55,195 INFO L78 Accepts]: Start accepts. Automaton has 1687 states and 1954 transitions. Word has length 92 [2018-04-10 15:19:55,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:19:55,195 INFO L459 AbstractCegarLoop]: Abstraction has 1687 states and 1954 transitions. [2018-04-10 15:19:55,195 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-04-10 15:19:55,196 INFO L276 IsEmpty]: Start isEmpty. Operand 1687 states and 1954 transitions. [2018-04-10 15:19:55,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-04-10 15:19:55,196 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:19:55,196 INFO L355 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:19:55,196 INFO L408 AbstractCegarLoop]: === Iteration 103 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:19:55,197 INFO L82 PathProgramCache]: Analyzing trace with hash 1947494542, now seen corresponding path program 1 times [2018-04-10 15:19:55,197 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:19:55,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:19:55,207 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:19:56,509 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:19:56,509 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:19:56,510 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-04-10 15:19:56,510 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:19:56,510 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 15:19:56,510 INFO L182 omatonBuilderFactory]: Interpolants [181250#(and (= main_~head~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) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|)) (= main_~head~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)) |main_#t~mem7.base|))), 181251#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.offset main_~head~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)) (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 main_~head~0.base) (= main_~head~0.offset 0)), 181248#(and (= main_~head~0.offset |main_#t~malloc6.offset|) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)) |main_#t~malloc6.base|)) (not (= main_~x~0.base |main_#t~malloc6.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 181249#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.offset main_~head~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)) (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)), 181254#(and (or (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)) (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_~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))) (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)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (= main_~head~0.offset 0)), 181255#(and (or (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)) (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_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (and (= 0 (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_~head~0.offset 0)), 181252#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset |main_#t~mem8.offset|) (= 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))) (= main_~head~0.offset 0)), 181253#(and (or (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)) (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_~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))) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))) (= main_~head~0.offset 0)), 181258#(and (or (and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not |main_#t~short15|) (and (not (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8)) 0)) (= main_~x~0.base main_~head~0.base)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~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) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))))) (= main_~x~0.offset 0) (= main_~head~0.offset 0)), 181259#(and (or (and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (not (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8)) 0)) (= main_~x~0.base main_~head~0.base)) (not |main_#t~short18|) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~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) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))))) (= main_~x~0.offset 0) (= main_~head~0.offset 0)), 181256#(and (or (and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~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) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))))) (= main_~head~0.offset 0) (= 0 main_~x~0.offset)), 181257#(and (or (and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~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) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))))) (= |main_#t~mem14.offset| (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8))) (= main_~head~0.offset 0) (= 0 main_~x~0.offset)), 181262#(and (= main_~head~0.offset 0) (or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8)) 0)) (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)) (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_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (and (= |main_#t~mem21.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem21.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))))), 181263#(and (= main_~head~0.offset 0) (or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8)) 0)) (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)) (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_~head~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)) (= 0 (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))))), 181260#(and (or (and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (not (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8)) 0)) (= main_~x~0.base main_~head~0.base)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~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) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))))) (= main_~x~0.offset 0) (= main_~head~0.offset 0)), 181261#(and (or (and (not (= 1 |main_#t~mem16.offset|)) (or (and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~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) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)))))) (and (not (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8)) 0)) (= main_~x~0.base main_~head~0.base))) (= main_~x~0.offset 0) (= main_~head~0.offset 0)), 181266#(and (or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8)) 0)) (and (= 1 (select |#valid| (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 8)) (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)), 181267#(and (or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8)) 0)) (and (not (= main_~head~0.base |main_#t~mem22.base|)) (= 1 (select |#valid| |main_#t~mem22.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)) |main_#t~mem22.base|)))) (= main_~head~0.offset 0)), 181264#(and (= main_~head~0.offset 0) (or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8)) 0)) (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)) (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_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))))), 181265#(and (or (and (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ 0 8)) (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))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (not (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ 0 8)) 0))) (= 0 main_~x~0.offset)), 181270#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base)) (not (= |main_#t~mem24.base| main_~x~0.base)) (= main_~head~0.offset 0)), 181271#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base)) (= main_~head~0.offset 0)), 181268#(and (or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8)) 0)) (and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)) main_~x~0.base)))) (= main_~head~0.offset 0)), 181269#(and (or (not (= |main_#t~mem24.offset| 0)) (and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base)) (not (= |main_#t~mem24.base| main_~x~0.base)))) (= main_~head~0.offset 0)), 181272#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base))), 181273#(= 1 (select |#valid| main_~x~0.base)), 181238#true, 181239#false, 181242#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 181243#(and (= 1 (select |#valid| |main_#t~malloc2.base|)) (= main_~head~0.offset 0) (not (= main_~head~0.base |main_#t~malloc2.base|))), 181240#(= |main_#t~malloc0.offset| 0), 181241#(= main_~head~0.offset 0), 181246#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 181247#(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) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 181244#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 181245#(and (not (= main_~head~0.base |main_#t~mem3.base|)) (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))))] [2018-04-10 15:19:56,510 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:19:56,510 INFO L442 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-04-10 15:19:56,511 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-04-10 15:19:56,511 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=1104, Unknown=0, NotChecked=0, Total=1260 [2018-04-10 15:19:56,511 INFO L87 Difference]: Start difference. First operand 1687 states and 1954 transitions. Second operand 36 states. [2018-04-10 15:19:59,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:19:59,685 INFO L93 Difference]: Finished difference Result 1881 states and 2176 transitions. [2018-04-10 15:19:59,685 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2018-04-10 15:19:59,685 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 93 [2018-04-10 15:19:59,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:19:59,687 INFO L225 Difference]: With dead ends: 1881 [2018-04-10 15:19:59,687 INFO L226 Difference]: Without dead ends: 1881 [2018-04-10 15:19:59,687 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2288 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=1446, Invalid=6744, Unknown=0, NotChecked=0, Total=8190 [2018-04-10 15:19:59,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1881 states. [2018-04-10 15:19:59,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1881 to 1647. [2018-04-10 15:19:59,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1647 states. [2018-04-10 15:19:59,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1647 states to 1647 states and 1912 transitions. [2018-04-10 15:19:59,711 INFO L78 Accepts]: Start accepts. Automaton has 1647 states and 1912 transitions. Word has length 93 [2018-04-10 15:19:59,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:19:59,711 INFO L459 AbstractCegarLoop]: Abstraction has 1647 states and 1912 transitions. [2018-04-10 15:19:59,711 INFO L460 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-04-10 15:19:59,711 INFO L276 IsEmpty]: Start isEmpty. Operand 1647 states and 1912 transitions. [2018-04-10 15:19:59,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-04-10 15:19:59,712 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:19:59,712 INFO L355 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:19:59,712 INFO L408 AbstractCegarLoop]: === Iteration 104 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:19:59,712 INFO L82 PathProgramCache]: Analyzing trace with hash -408013132, now seen corresponding path program 1 times [2018-04-10 15:19:59,713 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:19:59,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:19:59,721 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:20:00,153 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:20:00,153 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:20:00,153 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-04-10 15:20:00,154 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:20:00,154 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 15:20:00,154 INFO L182 omatonBuilderFactory]: Interpolants [184930#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~head~0.offset 8))) (= main_~x~0.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))), 184931#(and (= 0 (select (select |#memory_$Pointer$.offset| (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))), 184928#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ main_~head~0.offset 8))) (= 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)), 184929#(and (= |main_#t~mem21.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem21.base|) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 184934#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0)), 184935#(= 0 |main_#t~mem24.offset|), 184932#(and (= 0 |main_#t~mem22.offset|) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem22.base|) (+ 0 8)))), 184933#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ 0 8))) (= 0 main_~x~0.offset)), 184914#(= 0 |main_#t~malloc0.offset|), 184915#(= main_~head~0.offset 0), 184912#true, 184913#false, 184918#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (= 0 |main_#t~malloc6.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| |main_#t~malloc6.base|) 1)), 184919#(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) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 1) (= 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) (= (select |#valid| main_~x~0.base) 1)), 184916#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 184917#(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)), 184922#(and (= 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)) (= (select |#valid| main_~head~0.base) 1) (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)) (= (select |#valid| main_~x~0.base) 1)), 184923#(and (= 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)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (<= 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)) (= (select |#valid| main_~x~0.base) 1)), 184920#(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) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 1) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 184921#(and (= (select |#valid| |main_#t~mem8.base|) 1) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem8.base|) (not (= main_~head~0.base |main_#t~mem8.base|)) (= 0 |main_#t~mem8.offset|) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 184926#(and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (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))), 184927#(and (= 0 (select (select |#memory_$Pointer$.offset| (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))), 184924#(and (not (= main_~x~0.base |main_#t~malloc10.base|)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc10.base|)) (= 0 |main_#t~malloc10.offset|) (< main_~x~0.offset (+ main_~head~0.offset 1)) (not (= main_~x~0.base main_~head~0.base)) (<= 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))), 184925#(and (= 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 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| 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)))] [2018-04-10 15:20:00,154 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:20:00,154 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-04-10 15:20:00,154 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-04-10 15:20:00,154 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=473, Unknown=0, NotChecked=0, Total=552 [2018-04-10 15:20:00,154 INFO L87 Difference]: Start difference. First operand 1647 states and 1912 transitions. Second operand 24 states. [2018-04-10 15:20:02,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:20:02,004 INFO L93 Difference]: Finished difference Result 1813 states and 2086 transitions. [2018-04-10 15:20:02,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2018-04-10 15:20:02,004 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 93 [2018-04-10 15:20:02,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:20:02,005 INFO L225 Difference]: With dead ends: 1813 [2018-04-10 15:20:02,005 INFO L226 Difference]: Without dead ends: 1813 [2018-04-10 15:20:02,006 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1475 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=869, Invalid=4533, Unknown=0, NotChecked=0, Total=5402 [2018-04-10 15:20:02,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1813 states. [2018-04-10 15:20:02,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1813 to 1647. [2018-04-10 15:20:02,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1647 states. [2018-04-10 15:20:02,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1647 states to 1647 states and 1911 transitions. [2018-04-10 15:20:02,020 INFO L78 Accepts]: Start accepts. Automaton has 1647 states and 1911 transitions. Word has length 93 [2018-04-10 15:20:02,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:20:02,020 INFO L459 AbstractCegarLoop]: Abstraction has 1647 states and 1911 transitions. [2018-04-10 15:20:02,020 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-04-10 15:20:02,020 INFO L276 IsEmpty]: Start isEmpty. Operand 1647 states and 1911 transitions. [2018-04-10 15:20:02,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-04-10 15:20:02,021 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:20:02,021 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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:20:02,021 INFO L408 AbstractCegarLoop]: === Iteration 105 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:20:02,022 INFO L82 PathProgramCache]: Analyzing trace with hash -251631916, now seen corresponding path program 2 times [2018-04-10 15:20:02,022 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:20:02,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:20:02,046 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:20:03,062 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:20:03,063 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:20:03,063 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-04-10 15:20:03,063 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:20:03,063 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 15:20:03,063 INFO L182 omatonBuilderFactory]: Interpolants [188498#(= 0 (select |#valid| 0)), 188499#(and (= 0 (select |#valid| 0)) (= |main_#t~malloc0.offset| 0)), 188496#true, 188497#false, 188502#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= 0 (select |#valid| 0)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 188503#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select |#valid| 0)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= |main_#t~malloc6.offset| 0) (not (= |main_#t~malloc6.base| main_~x~0.base))), 188500#(and (= 0 (select |#valid| 0)) (= main_~head~0.offset 0)), 188501#(and (= 1 (select |#valid| main_~head~0.base)) (= 0 (select |#valid| 0)) (= main_~head~0.offset 0)), 188506#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem8.base|) (= 0 (select |#valid| 0)) (not (= |main_#t~mem8.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) (= main_~head~0.offset 0) (= |main_#t~mem8.offset| 0)), 188507#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select |#valid| 0)) (= main_~x~0.offset 0) (= (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)), 188504#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select |#valid| 0)) (= 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) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 188505#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select |#valid| 0)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.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) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 188510#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select |#valid| 0)) (= main_~x~0.offset 0) (not (= |main_#t~mem11.base| main_~head~0.base)) (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)), 188511#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select |#valid| 0)) (= main_~x~0.offset 0) (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)), 188508#(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~malloc10.base|)) (= 0 (select |#valid| 0)) (= main_~x~0.offset 0) (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)), 188509#(and (= 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 8)))) (= 0 (select |#valid| 0)) (= main_~x~0.offset 0) (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)), 188514#(and (not (= main_~x~0.base |main_#t~mem7.base|)) (or (and (= 0 main_~head~0.offset) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select |#valid| 0)) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (and (= 0 main_~head~0.offset) (not (= |main_#t~mem7.base| main_~head~0.base)) (= 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))) (= 0 (select |#valid| 0)) (= main_~x~0.offset 0) (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) (= (select |#valid| main_~x~0.base) 1)))), 188515#(or (and (= 0 main_~head~0.offset) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select |#valid| 0)) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (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_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select |#valid| 0)) (= main_~x~0.offset 0) (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) (= (select |#valid| main_~x~0.base) 1))), 188512#(and (not (= main_~x~0.base |main_#t~malloc6.base|)) (or (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_~head~0.base |main_#t~malloc6.base|)) (= 0 (select |#valid| 0)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (and (= 0 main_~head~0.offset) (= main_~head~0.offset |main_#t~malloc6.offset|) (= |main_#t~malloc6.base| main_~head~0.base) (= 0 (select |#valid| 0))))), 188513#(and (or (and (= 0 main_~head~0.offset) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select |#valid| 0)) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (and (= 0 main_~head~0.offset) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select |#valid| 0)) (= main_~x~0.offset 0) (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) (= (select |#valid| main_~x~0.base) 1))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 188518#(or (and (= 0 main_~head~0.offset) (= main_~x~0.offset main_~head~0.offset) (= 0 (select |#valid| 0)) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (= 0 main_~head~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select |#valid| 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))))), 188519#(or (and (not (= |main_#t~malloc10.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~malloc10.offset| main_~head~0.offset) (= 0 (select |#valid| 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)))) (and (= |main_#t~malloc10.base| main_~head~0.base) (= |main_#t~malloc10.offset| main_~head~0.offset) (= 0 (select |#valid| 0))) (and (not (= main_~x~0.base |main_#t~malloc10.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)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 188516#(or (and (= 0 main_~head~0.offset) (= main_~head~0.base |main_#t~mem8.base|) (= main_~head~0.offset |main_#t~mem8.offset|) (= 0 (select |#valid| 0))) (and (= 0 main_~head~0.offset) (= |main_#t~mem8.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| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem8.base|)) (= 0 (select |#valid| 0)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem8.base|)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0))), 188517#(or (and (= 0 main_~head~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select |#valid| 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)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (and (= 0 main_~head~0.offset) (= main_~x~0.offset main_~head~0.offset) (= 0 (select |#valid| 0)) (= main_~x~0.base main_~head~0.base))), 188522#(or (and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select |#valid| 0))) (and (= 0 (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))))), 188523#(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)))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (= 0 (select |#valid| 0)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 188520#(or (and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8)) main_~head~0.offset) (= 0 (select |#valid| 0)) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)) main_~head~0.base)) (and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8)) main_~head~0.offset) (= 0 (select |#valid| 0)) (= 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 8)) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~x~0.base) 1))), 188521#(or (and (= 0 (select |#valid| 0)) (= |main_#t~mem11.offset| main_~head~0.offset) (= |main_#t~mem11.base| main_~head~0.base)) (and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.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))))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~mem11.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 188526#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (= 0 main_~x~0.base) (= 0 (select |#valid| 0)))), 188527#(and (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 188524#(or (and (= 0 (select |#valid| 0)) (= 0 |main_#t~mem21.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) |main_#t~mem21.offset|))) (and (= 0 |main_#t~mem21.offset|) (= 0 |main_#t~mem21.base|))), 188525#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (= 0 main_~x~0.base) (= 0 (select |#valid| 0))) (and (= 0 main_~x~0.base) (= 0 main_~x~0.offset))), 188528#(= 1 (select |#valid| |main_#t~mem21.base|)), 188529#(= 1 (select |#valid| main_~x~0.base))] [2018-04-10 15:20:03,063 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:20:03,063 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-04-10 15:20:03,064 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-04-10 15:20:03,064 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=993, Unknown=0, NotChecked=0, Total=1122 [2018-04-10 15:20:03,064 INFO L87 Difference]: Start difference. First operand 1647 states and 1911 transitions. Second operand 34 states. [2018-04-10 15:20:05,131 WARN L151 SmtUtils]: Spent 116ms on a formula simplification. DAG size of input: 83 DAG size of output 65 [2018-04-10 15:20:05,364 WARN L151 SmtUtils]: Spent 161ms on a formula simplification. DAG size of input: 94 DAG size of output 76 [2018-04-10 15:20:06,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:20:06,614 INFO L93 Difference]: Finished difference Result 1964 states and 2300 transitions. [2018-04-10 15:20:06,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-04-10 15:20:06,614 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 93 [2018-04-10 15:20:06,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:20:06,615 INFO L225 Difference]: With dead ends: 1964 [2018-04-10 15:20:06,615 INFO L226 Difference]: Without dead ends: 1964 [2018-04-10 15:20:06,616 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1412 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=925, Invalid=5237, Unknown=0, NotChecked=0, Total=6162 [2018-04-10 15:20:06,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1964 states. [2018-04-10 15:20:06,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1964 to 1665. [2018-04-10 15:20:06,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1665 states. [2018-04-10 15:20:06,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1665 states to 1665 states and 1930 transitions. [2018-04-10 15:20:06,623 INFO L78 Accepts]: Start accepts. Automaton has 1665 states and 1930 transitions. Word has length 93 [2018-04-10 15:20:06,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:20:06,623 INFO L459 AbstractCegarLoop]: Abstraction has 1665 states and 1930 transitions. [2018-04-10 15:20:06,623 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-04-10 15:20:06,623 INFO L276 IsEmpty]: Start isEmpty. Operand 1665 states and 1930 transitions. [2018-04-10 15:20:06,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-04-10 15:20:06,623 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:20:06,623 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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:20:06,624 INFO L408 AbstractCegarLoop]: === Iteration 106 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:20:06,624 INFO L82 PathProgramCache]: Analyzing trace with hash -251631915, now seen corresponding path program 2 times [2018-04-10 15:20:06,624 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:20:06,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:20:06,635 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. Received shutdown request... [2018-04-10 15:20:06,947 WARN L519 AbstractCegarLoop]: Verification canceled [2018-04-10 15:20:06,952 WARN L197 ceAbstractionStarter]: Timeout [2018-04-10 15:20:06,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.04 03:20:06 BoogieIcfgContainer [2018-04-10 15:20:06,952 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-10 15:20:06,953 INFO L168 Benchmark]: Toolchain (without parser) took 170968.67 ms. Allocated memory was 405.8 MB in the beginning and 1.2 GB in the end (delta: 763.4 MB). Free memory was 339.9 MB in the beginning and 386.5 MB in the end (delta: -46.6 MB). Peak memory consumption was 716.7 MB. Max. memory is 5.3 GB. [2018-04-10 15:20:06,954 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 405.8 MB. Free memory is still 366.4 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-10 15:20:06,954 INFO L168 Benchmark]: CACSL2BoogieTranslator took 261.33 ms. Allocated memory is still 405.8 MB. Free memory was 338.5 MB in the beginning and 312.1 MB in the end (delta: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 5.3 GB. [2018-04-10 15:20:06,955 INFO L168 Benchmark]: Boogie Preprocessor took 42.88 ms. Allocated memory is still 405.8 MB. Free memory was 312.1 MB in the beginning and 308.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 5.3 GB. [2018-04-10 15:20:06,955 INFO L168 Benchmark]: RCFGBuilder took 542.34 ms. Allocated memory was 405.8 MB in the beginning and 614.5 MB in the end (delta: 208.7 MB). Free memory was 308.1 MB in the beginning and 530.1 MB in the end (delta: -222.0 MB). Peak memory consumption was 24.6 MB. Max. memory is 5.3 GB. [2018-04-10 15:20:06,955 INFO L168 Benchmark]: TraceAbstraction took 170119.06 ms. Allocated memory was 614.5 MB in the beginning and 1.2 GB in the end (delta: 554.7 MB). Free memory was 530.1 MB in the beginning and 386.5 MB in the end (delta: 143.7 MB). Peak memory consumption was 698.3 MB. Max. memory is 5.3 GB. [2018-04-10 15:20:06,956 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 405.8 MB. Free memory is still 366.4 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 261.33 ms. Allocated memory is still 405.8 MB. Free memory was 338.5 MB in the beginning and 312.1 MB in the end (delta: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 42.88 ms. Allocated memory is still 405.8 MB. Free memory was 312.1 MB in the beginning and 308.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 542.34 ms. Allocated memory was 405.8 MB in the beginning and 614.5 MB in the end (delta: 208.7 MB). Free memory was 308.1 MB in the beginning and 530.1 MB in the end (delta: -222.0 MB). Peak memory consumption was 24.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 170119.06 ms. Allocated memory was 614.5 MB in the beginning and 1.2 GB in the end (delta: 554.7 MB). Free memory was 530.1 MB in the beginning and 386.5 MB in the end (delta: 143.7 MB). Peak memory consumption was 698.3 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 998]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 998). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 1010]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1010). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 992]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 992). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 998]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 998). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 989]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 989). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 992]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 992). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 992]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 992). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 987]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 987). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 992]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 992). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 998]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 998). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 992]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 992). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 988]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 988). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 1007]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1007). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 1009]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1009). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 989]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 989). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 998]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 998). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 989]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 989). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 989]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 989). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 992]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 992). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 998]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 998). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 989]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 989). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 992]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 992). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 983]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 983). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 992]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 992). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 989]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 989). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 999]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 999). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 1009]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1009). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 992]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 992). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 992]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 992). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 989]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 989). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 992]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 992). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 989]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 989). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 998]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 998). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 992]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 992). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 989]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 989). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 989]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 989). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 992]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 992). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 1008]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1008). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 1007]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1007). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 992]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 992). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 992]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 992). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 992]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 992). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 992]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 992). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 999]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 999). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 998]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 998). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 992]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 992). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 989]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 989). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 992]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 992). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 988]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 988). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 998]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 998). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 992]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 992). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 989]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 989). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 992]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 992). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 1009]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1009). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 992]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 992). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 992]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 992). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 987]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 987). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 1008]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1008). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 989]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 989). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 1009]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1009). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 998]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 998). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 989]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 989). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 992]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 992). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 989]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 989). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 992]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 992). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 998]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 998). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 989]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 989). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 1010]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1010). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - TimeoutResultAtElement [Line: 992]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 992). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 39. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 158 locations, 69 error locations. TIMEOUT Result, 170.0s OverallTime, 106 OverallIterations, 4 TraceHistogramMax, 124.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 10021 SDtfs, 70895 SDslu, 88800 SDs, 0 SdLazy, 118744 SolverSat, 12881 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 47.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4757 GetRequests, 264 SyntacticMatches, 219 SemanticMatches, 4274 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67015 ImplicationChecksByTransitivity, 100.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1694occurred in iteration=101, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 132/2037 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 105 MinimizatonAttempts, 20141 StatesRemovedByMinimization, 103 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 42.0s InterpolantComputationTime, 6907 NumberOfCodeBlocks, 6907 NumberOfCodeBlocksAsserted, 105 NumberOfCheckSat, 6802 ConstructedInterpolants, 0 QuantifiedInterpolants, 10760005 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 105 InterpolantComputations, 23 PerfectInterpolantSequences, 132/2037 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/dll-optional_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-10_15-20-06-963.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/dll-optional_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-10_15-20-06-963.csv Completed graceful shutdown