java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv --cacsl2boogietranslator.bitprecise.bitfields false -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf -i ../../../trunk/examples/svcomp/array-memsafety/cstrncmp-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-11 12:51:10,470 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 12:51:10,471 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 12:51:10,483 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 12:51:10,483 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 12:51:10,484 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 12:51:10,485 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 12:51:10,486 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 12:51:10,487 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 12:51:10,488 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 12:51:10,489 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 12:51:10,489 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 12:51:10,490 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 12:51:10,491 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 12:51:10,491 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 12:51:10,493 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 12:51:10,494 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 12:51:10,496 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 12:51:10,497 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 12:51:10,498 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 12:51:10,499 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-04-11 12:51:10,504 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 [2018-04-11 12:51:10,524 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 12:51:10,525 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 12:51:10,526 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-11 12:51:10,526 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-11 12:51:10,526 INFO L133 SettingsManager]: * Use SBE=true [2018-04-11 12:51:10,526 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 12:51:10,526 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 12:51:10,526 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 12:51:10,526 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 12:51:10,526 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 12:51:10,527 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 12:51:10,527 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 12:51:10,527 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-11 12:51:10,527 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 12:51:10,527 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 12:51:10,527 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 12:51:10,527 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-11 12:51:10,527 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-11 12:51:10,527 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 12:51:10,527 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 12:51:10,528 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 12:51:10,528 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-11 12:51:10,554 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 12:51:10,562 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 12:51:10,564 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 12:51:10,565 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 12:51:10,566 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 12:51:10,566 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:10,910 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG0d8edd4e9 [2018-04-11 12:51:11,030 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 12:51:11,030 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 12:51:11,031 INFO L168 CDTParser]: Scanning cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,037 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 12:51:11,038 INFO L215 ultiparseSymbolTable]: [2018-04-11 12:51:11,038 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 12:51:11,038 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,038 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_32 ('__bswap_32') in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,038 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_64 ('__bswap_64') in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,038 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__ ('') in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,038 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 12:51:11,039 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____key_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,039 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____clockid_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,039 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__clockid_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,039 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____clock_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,039 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__dev_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,039 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__u_int16_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,039 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____u_int in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,039 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__quad_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,039 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__loff_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,039 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__u_int8_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,040 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_cond_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,040 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____uint8_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,040 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__fsid_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,040 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__uint in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,040 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____blkcnt_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,040 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_condattr_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,040 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____sigset_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,040 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____WAIT_STATUS in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,040 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____daddr_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,040 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_spinlock_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,040 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__id_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,040 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__int64_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,040 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_barrier_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,040 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____u_quad_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,040 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____pid_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,040 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____syscall_slong_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,041 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__ushort in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,041 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____int64_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,041 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____quad_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,041 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__wchar_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,041 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__register_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,041 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____useconds_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,041 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_attr_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,041 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____nlink_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,041 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____fsblkcnt64_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,041 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__sigset_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,041 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____gid_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,041 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____sig_atomic_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,041 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____timer_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,041 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____ino64_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,041 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____syscall_ulong_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,041 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,042 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____uid_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,042 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__ssize_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,042 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____fd_mask in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,042 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__nlink_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,042 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__u_int32_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,042 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__key_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,042 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__fd_mask in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,042 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__fsfilcnt_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,042 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____ssize_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,042 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,042 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____blkcnt64_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,042 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____fsword_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,042 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__timer_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,042 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____off_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,042 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____uint64_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,042 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__int32_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,042 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____suseconds_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,043 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__time_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,043 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____int32_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,043 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__fsblkcnt_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,043 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__div_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,043 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____id_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,043 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____uint32_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,043 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__caddr_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,043 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____qaddr_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,043 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____rlim64_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,043 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____fsfilcnt_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,043 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_mutexattr_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,044 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__u_int in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,044 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____blksize_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,044 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__blksize_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,044 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____off64_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,044 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____time_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,044 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____intptr_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,044 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__int8_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,044 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__size_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,044 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____u_char in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,044 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_key_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,045 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__u_quad_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,045 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__ino_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,045 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__uid_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,045 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_rwlock_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,045 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____socklen_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,045 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__lldiv_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,045 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_mutex_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,045 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__int16_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,045 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____fsblkcnt_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,045 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____pthread_list_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,045 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_barrierattr_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,046 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____rlim_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,046 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____fsfilcnt64_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,046 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__u_short in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,046 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____int16_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,046 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____u_long in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,046 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__ldiv_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,046 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__blkcnt_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,046 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____int8_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,046 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__gid_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,046 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__ulong in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,046 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__u_char in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,046 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__off_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,047 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__u_int64_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,047 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_once_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,047 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____mode_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,047 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____uint16_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,047 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____caddr_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,047 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____ino_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,047 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__u_long in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,047 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____loff_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,047 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____fsid_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,047 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__clock_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,047 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__pid_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,047 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__daddr_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,047 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__fd_set in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,047 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____dev_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,047 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__mode_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,047 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__suseconds_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,048 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____u_short in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,060 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG0d8edd4e9 [2018-04-11 12:51:11,066 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 12:51:11,067 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 12:51:11,068 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 12:51:11,068 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 12:51:11,072 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 12:51:11,072 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 12:51:11" (1/1) ... [2018-04-11 12:51:11,074 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41365720 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:51:11, skipping insertion in model container [2018-04-11 12:51:11,074 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 12:51:11" (1/1) ... [2018-04-11 12:51:11,085 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 12:51:11,106 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 12:51:11,231 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 12:51:11,266 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 12:51:11,272 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-11 12:51:11,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:51:11 WrapperNode [2018-04-11 12:51:11,312 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 12:51:11,312 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 12:51:11,313 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 12:51:11,313 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 12:51:11,324 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:51:11" (1/1) ... [2018-04-11 12:51:11,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:51:11" (1/1) ... [2018-04-11 12:51:11,336 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:51:11" (1/1) ... [2018-04-11 12:51:11,336 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:51:11" (1/1) ... [2018-04-11 12:51:11,344 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:51:11" (1/1) ... [2018-04-11 12:51:11,348 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:51:11" (1/1) ... [2018-04-11 12:51:11,351 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:51:11" (1/1) ... [2018-04-11 12:51:11,354 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 12:51:11,355 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 12:51:11,355 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 12:51:11,355 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 12:51:11,356 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:51:11" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 12:51:11,453 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 12:51:11,454 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 12:51:11,454 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-11 12:51:11,454 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-11 12:51:11,454 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrncmp [2018-04-11 12:51:11,454 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 12:51:11,454 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-11 12:51:11,454 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-11 12:51:11,455 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 12:51:11,455 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 12:51:11,455 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 12:51:11,455 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 12:51:11,455 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 12:51:11,455 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 12:51:11,455 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 12:51:11,455 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 12:51:11,455 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 12:51:11,456 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 12:51:11,456 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 12:51:11,456 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 12:51:11,456 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 12:51:11,456 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 12:51:11,456 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 12:51:11,456 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 12:51:11,456 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 12:51:11,456 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 12:51:11,457 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 12:51:11,457 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 12:51:11,457 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 12:51:11,457 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 12:51:11,457 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 12:51:11,457 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 12:51:11,457 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 12:51:11,457 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 12:51:11,457 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 12:51:11,457 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 12:51:11,458 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 12:51:11,458 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 12:51:11,458 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 12:51:11,458 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 12:51:11,458 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 12:51:11,458 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 12:51:11,458 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 12:51:11,458 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 12:51:11,458 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 12:51:11,459 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 12:51:11,459 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 12:51:11,459 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 12:51:11,459 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 12:51:11,459 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 12:51:11,459 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 12:51:11,459 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 12:51:11,459 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 12:51:11,459 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 12:51:11,460 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 12:51:11,460 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 12:51:11,460 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 12:51:11,460 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 12:51:11,460 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 12:51:11,460 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 12:51:11,460 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 12:51:11,460 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 12:51:11,460 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 12:51:11,460 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 12:51:11,461 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 12:51:11,461 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 12:51:11,461 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 12:51:11,461 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 12:51:11,461 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 12:51:11,461 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-11 12:51:11,461 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 12:51:11,461 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 12:51:11,461 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 12:51:11,461 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 12:51:11,462 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 12:51:11,462 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 12:51:11,462 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 12:51:11,462 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 12:51:11,462 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 12:51:11,462 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 12:51:11,462 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 12:51:11,462 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 12:51:11,463 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 12:51:11,463 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 12:51:11,463 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 12:51:11,463 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 12:51:11,463 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 12:51:11,463 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 12:51:11,463 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 12:51:11,463 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 12:51:11,463 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 12:51:11,463 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 12:51:11,463 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 12:51:11,464 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 12:51:11,464 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 12:51:11,464 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 12:51:11,464 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 12:51:11,464 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 12:51:11,464 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 12:51:11,464 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 12:51:11,464 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 12:51:11,464 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 12:51:11,464 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 12:51:11,465 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 12:51:11,465 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 12:51:11,465 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 12:51:11,465 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 12:51:11,465 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 12:51:11,465 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-11 12:51:11,465 INFO L128 BoogieDeclarations]: Found specification of procedure cstrncmp [2018-04-11 12:51:11,465 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-11 12:51:11,465 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 12:51:11,465 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 12:51:11,466 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-11 12:51:11,466 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 12:51:11,466 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 12:51:11,466 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 12:51:11,466 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-11 12:51:11,766 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 12:51:11,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 12:51:11 BoogieIcfgContainer [2018-04-11 12:51:11,766 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 12:51:11,767 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 12:51:11,767 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 12:51:11,770 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 12:51:11,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 12:51:11" (1/3) ... [2018-04-11 12:51:11,771 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d24d30b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 12:51:11, skipping insertion in model container [2018-04-11 12:51:11,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:51:11" (2/3) ... [2018-04-11 12:51:11,771 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d24d30b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 12:51:11, skipping insertion in model container [2018-04-11 12:51:11,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 12:51:11" (3/3) ... [2018-04-11 12:51:11,772 INFO L107 eAbstractionObserver]: Analyzing ICFG cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:51:11,778 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-04-11 12:51:11,783 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2018-04-11 12:51:11,815 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 12:51:11,815 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 12:51:11,816 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-11 12:51:11,816 INFO L371 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-04-11 12:51:11,816 INFO L372 AbstractCegarLoop]: Backedges is CANONICAL [2018-04-11 12:51:11,816 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 12:51:11,816 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 12:51:11,816 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 12:51:11,816 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 12:51:11,816 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 12:51:11,824 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2018-04-11 12:51:11,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-11 12:51:11,830 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 12:51:11,831 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 12:51:11,831 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-04-11 12:51:11,834 INFO L82 PathProgramCache]: Analyzing trace with hash -878219724, now seen corresponding path program 1 times [2018-04-11 12:51:11,866 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 12:51:11,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 12:51:11,904 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 12:51:11,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:51:11,992 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 12:51:11,993 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 12:51:11,993 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 12:51:11,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:51:11,994 INFO L182 omatonBuilderFactory]: Interpolants [64#true, 65#false, 66#(= 1 (select |#valid| |main_#t~malloc15.base|)), 67#(= 1 (select |#valid| main_~nondetString1~0.base))] [2018-04-11 12:51:11,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:51:11,995 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 12:51:12,003 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 12:51:12,004 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 12:51:12,005 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 4 states. [2018-04-11 12:51:12,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 12:51:12,085 INFO L93 Difference]: Finished difference Result 60 states and 67 transitions. [2018-04-11 12:51:12,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 12:51:12,086 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-04-11 12:51:12,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 12:51:12,094 INFO L225 Difference]: With dead ends: 60 [2018-04-11 12:51:12,094 INFO L226 Difference]: Without dead ends: 57 [2018-04-11 12:51:12,096 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 [2018-04-11 12:51:12,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-04-11 12:51:12,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-04-11 12:51:12,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-04-11 12:51:12,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 64 transitions. [2018-04-11 12:51:12,122 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 64 transitions. Word has length 13 [2018-04-11 12:51:12,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 12:51:12,122 INFO L459 AbstractCegarLoop]: Abstraction has 57 states and 64 transitions. [2018-04-11 12:51:12,122 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 12:51:12,122 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 64 transitions. [2018-04-11 12:51:12,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-11 12:51:12,123 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 12:51:12,123 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 12:51:12,123 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-04-11 12:51:12,123 INFO L82 PathProgramCache]: Analyzing trace with hash -878219723, now seen corresponding path program 1 times [2018-04-11 12:51:12,124 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 12:51:12,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 12:51:12,140 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 12:51:12,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:51:12,231 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 12:51:12,231 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 12:51:12,231 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 12:51:12,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:51:12,232 INFO L182 omatonBuilderFactory]: Interpolants [192#(and (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (<= 1 main_~length1~0) (= main_~nondetString1~0.offset 0)), 187#true, 188#false, 189#(<= 1 main_~length1~0), 190#(and (= main_~length1~0 (select |#length| |main_#t~malloc15.base|)) (<= 1 main_~length1~0) (= (select |#valid| |main_#t~malloc15.base|) 1) (= 0 |main_#t~malloc15.offset|)), 191#(and (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (= (select |#valid| main_~nondetString1~0.base) 1) (<= 1 main_~length1~0) (= main_~nondetString1~0.offset 0))] [2018-04-11 12:51:12,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:51:12,233 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 12:51:12,234 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 12:51:12,234 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-04-11 12:51:12,234 INFO L87 Difference]: Start difference. First operand 57 states and 64 transitions. Second operand 6 states. [2018-04-11 12:51:12,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 12:51:12,308 INFO L93 Difference]: Finished difference Result 56 states and 63 transitions. [2018-04-11 12:51:12,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 12:51:12,308 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2018-04-11 12:51:12,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 12:51:12,309 INFO L225 Difference]: With dead ends: 56 [2018-04-11 12:51:12,309 INFO L226 Difference]: Without dead ends: 56 [2018-04-11 12:51:12,310 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2018-04-11 12:51:12,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-04-11 12:51:12,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2018-04-11 12:51:12,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-04-11 12:51:12,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 63 transitions. [2018-04-11 12:51:12,315 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 63 transitions. Word has length 13 [2018-04-11 12:51:12,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 12:51:12,315 INFO L459 AbstractCegarLoop]: Abstraction has 56 states and 63 transitions. [2018-04-11 12:51:12,315 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 12:51:12,315 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 63 transitions. [2018-04-11 12:51:12,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-11 12:51:12,316 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 12:51:12,316 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 12:51:12,316 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-04-11 12:51:12,316 INFO L82 PathProgramCache]: Analyzing trace with hash -1455007674, now seen corresponding path program 1 times [2018-04-11 12:51:12,317 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 12:51:12,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 12:51:12,328 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 12:51:12,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:51:12,359 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 12:51:12,359 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 12:51:12,359 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 12:51:12,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:51:12,359 INFO L182 omatonBuilderFactory]: Interpolants [307#true, 308#false, 309#(= 1 (select |#valid| |main_#t~malloc16.base|)), 310#(= 1 (select |#valid| main_~nondetString2~0.base))] [2018-04-11 12:51:12,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:51:12,360 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 12:51:12,360 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 12:51:12,360 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 12:51:12,360 INFO L87 Difference]: Start difference. First operand 56 states and 63 transitions. Second operand 4 states. [2018-04-11 12:51:12,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 12:51:12,413 INFO L93 Difference]: Finished difference Result 55 states and 62 transitions. [2018-04-11 12:51:12,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 12:51:12,414 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-04-11 12:51:12,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 12:51:12,415 INFO L225 Difference]: With dead ends: 55 [2018-04-11 12:51:12,415 INFO L226 Difference]: Without dead ends: 55 [2018-04-11 12:51:12,415 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 12:51:12,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-04-11 12:51:12,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-04-11 12:51:12,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-04-11 12:51:12,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 62 transitions. [2018-04-11 12:51:12,419 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 62 transitions. Word has length 14 [2018-04-11 12:51:12,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 12:51:12,419 INFO L459 AbstractCegarLoop]: Abstraction has 55 states and 62 transitions. [2018-04-11 12:51:12,419 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 12:51:12,420 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 62 transitions. [2018-04-11 12:51:12,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-11 12:51:12,420 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 12:51:12,420 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 12:51:12,420 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-04-11 12:51:12,421 INFO L82 PathProgramCache]: Analyzing trace with hash -1455007673, now seen corresponding path program 1 times [2018-04-11 12:51:12,422 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 12:51:12,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 12:51:12,432 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 12:51:12,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:51:12,469 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 12:51:12,469 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 12:51:12,469 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 12:51:12,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:51:12,470 INFO L182 omatonBuilderFactory]: Interpolants [423#true, 424#false, 425#(<= 1 main_~length2~0), 426#(and (<= 1 main_~length2~0) (= 0 |main_#t~malloc16.offset|) (= main_~length2~0 (select |#length| |main_#t~malloc16.base|))), 427#(and (= main_~nondetString2~0.offset 0) (<= 1 main_~length2~0) (= main_~length2~0 (select |#length| main_~nondetString2~0.base)))] [2018-04-11 12:51:12,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:51:12,470 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 12:51:12,471 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 12:51:12,471 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 12:51:12,471 INFO L87 Difference]: Start difference. First operand 55 states and 62 transitions. Second operand 5 states. [2018-04-11 12:51:12,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 12:51:12,496 INFO L93 Difference]: Finished difference Result 54 states and 61 transitions. [2018-04-11 12:51:12,496 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 12:51:12,496 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-04-11 12:51:12,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 12:51:12,497 INFO L225 Difference]: With dead ends: 54 [2018-04-11 12:51:12,497 INFO L226 Difference]: Without dead ends: 54 [2018-04-11 12:51:12,497 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-04-11 12:51:12,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-04-11 12:51:12,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2018-04-11 12:51:12,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-04-11 12:51:12,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 61 transitions. [2018-04-11 12:51:12,499 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 61 transitions. Word has length 14 [2018-04-11 12:51:12,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 12:51:12,500 INFO L459 AbstractCegarLoop]: Abstraction has 54 states and 61 transitions. [2018-04-11 12:51:12,500 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 12:51:12,500 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 61 transitions. [2018-04-11 12:51:12,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-11 12:51:12,500 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 12:51:12,500 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] [2018-04-11 12:51:12,500 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-04-11 12:51:12,500 INFO L82 PathProgramCache]: Analyzing trace with hash 8354905, now seen corresponding path program 1 times [2018-04-11 12:51:12,501 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 12:51:12,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 12:51:12,511 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 12:51:12,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:51:12,549 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 12:51:12,549 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 12:51:12,549 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 12:51:12,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:51:12,550 INFO L182 omatonBuilderFactory]: Interpolants [538#true, 539#false, 540#(= 1 (select |#valid| main_~nondetString1~0.base)), 541#(= 1 (select |#valid| |cstrncmp_#in~s1.base|)), 542#(= 1 (select |#valid| cstrncmp_~s1.base))] [2018-04-11 12:51:12,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:51:12,550 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 12:51:12,550 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 12:51:12,550 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 12:51:12,550 INFO L87 Difference]: Start difference. First operand 54 states and 61 transitions. Second operand 5 states. [2018-04-11 12:51:12,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 12:51:12,584 INFO L93 Difference]: Finished difference Result 51 states and 58 transitions. [2018-04-11 12:51:12,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 12:51:12,584 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2018-04-11 12:51:12,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 12:51:12,585 INFO L225 Difference]: With dead ends: 51 [2018-04-11 12:51:12,585 INFO L226 Difference]: Without dead ends: 51 [2018-04-11 12:51:12,585 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-11 12:51:12,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-04-11 12:51:12,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-04-11 12:51:12,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-04-11 12:51:12,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 58 transitions. [2018-04-11 12:51:12,587 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 58 transitions. Word has length 22 [2018-04-11 12:51:12,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 12:51:12,587 INFO L459 AbstractCegarLoop]: Abstraction has 51 states and 58 transitions. [2018-04-11 12:51:12,587 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 12:51:12,587 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 58 transitions. [2018-04-11 12:51:12,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-11 12:51:12,588 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 12:51:12,588 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] [2018-04-11 12:51:12,588 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-04-11 12:51:12,588 INFO L82 PathProgramCache]: Analyzing trace with hash 8354906, now seen corresponding path program 1 times [2018-04-11 12:51:12,588 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 12:51:12,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 12:51:12,596 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 12:51:12,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:51:12,666 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 12:51:12,666 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-11 12:51:12,667 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 12:51:12,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:51:12,667 INFO L182 omatonBuilderFactory]: Interpolants [647#true, 648#false, 649#(<= 1 main_~length1~0), 650#(and (<= 1 main_~length1~0) (= 0 |main_#t~malloc15.offset|)), 651#(and (<= 1 main_~length1~0) (= main_~nondetString1~0.offset 0)), 652#(and (<= (+ main_~nondetString1~0.offset 1) (select |#length| main_~nondetString1~0.base)) (= main_~nondetString1~0.offset 0)), 653#(and (<= 1 (select |#length| |cstrncmp_#in~s1.base|)) (= 0 |cstrncmp_#in~s1.offset|)), 654#(and (= cstrncmp_~s1.offset 0) (<= 1 (select |#length| cstrncmp_~s1.base)))] [2018-04-11 12:51:12,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:51:12,667 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-11 12:51:12,667 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-11 12:51:12,667 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-04-11 12:51:12,667 INFO L87 Difference]: Start difference. First operand 51 states and 58 transitions. Second operand 8 states. [2018-04-11 12:51:12,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 12:51:12,780 INFO L93 Difference]: Finished difference Result 74 states and 86 transitions. [2018-04-11 12:51:12,780 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-11 12:51:12,780 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2018-04-11 12:51:12,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 12:51:12,783 INFO L225 Difference]: With dead ends: 74 [2018-04-11 12:51:12,783 INFO L226 Difference]: Without dead ends: 74 [2018-04-11 12:51:12,783 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2018-04-11 12:51:12,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-04-11 12:51:12,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 61. [2018-04-11 12:51:12,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-04-11 12:51:12,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 73 transitions. [2018-04-11 12:51:12,786 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 73 transitions. Word has length 22 [2018-04-11 12:51:12,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 12:51:12,786 INFO L459 AbstractCegarLoop]: Abstraction has 61 states and 73 transitions. [2018-04-11 12:51:12,786 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-11 12:51:12,786 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 73 transitions. [2018-04-11 12:51:12,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-11 12:51:12,786 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 12:51:12,787 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] [2018-04-11 12:51:12,787 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-04-11 12:51:12,787 INFO L82 PathProgramCache]: Analyzing trace with hash 259002080, now seen corresponding path program 1 times [2018-04-11 12:51:12,787 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 12:51:12,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 12:51:12,797 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 12:51:12,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:51:12,832 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 12:51:12,833 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 12:51:12,833 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 12:51:12,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:51:12,833 INFO L182 omatonBuilderFactory]: Interpolants [800#(= 1 (select |#valid| main_~nondetString2~0.base)), 801#(= 1 (select |#valid| |cstrncmp_#in~s2.base|)), 802#(= 1 (select |#valid| cstrncmp_~s2.base)), 798#true, 799#false] [2018-04-11 12:51:12,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:51:12,833 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 12:51:12,833 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 12:51:12,833 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 12:51:12,834 INFO L87 Difference]: Start difference. First operand 61 states and 73 transitions. Second operand 5 states. [2018-04-11 12:51:12,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 12:51:12,878 INFO L93 Difference]: Finished difference Result 59 states and 70 transitions. [2018-04-11 12:51:12,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 12:51:12,878 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2018-04-11 12:51:12,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 12:51:12,879 INFO L225 Difference]: With dead ends: 59 [2018-04-11 12:51:12,879 INFO L226 Difference]: Without dead ends: 59 [2018-04-11 12:51:12,879 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-11 12:51:12,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-04-11 12:51:12,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2018-04-11 12:51:12,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-04-11 12:51:12,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 70 transitions. [2018-04-11 12:51:12,883 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 70 transitions. Word has length 23 [2018-04-11 12:51:12,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 12:51:12,883 INFO L459 AbstractCegarLoop]: Abstraction has 59 states and 70 transitions. [2018-04-11 12:51:12,883 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 12:51:12,883 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 70 transitions. [2018-04-11 12:51:12,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-11 12:51:12,884 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 12:51:12,884 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] [2018-04-11 12:51:12,884 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-04-11 12:51:12,884 INFO L82 PathProgramCache]: Analyzing trace with hash 259002081, now seen corresponding path program 1 times [2018-04-11 12:51:12,884 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 12:51:12,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 12:51:12,895 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 12:51:12,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:51:12,963 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 12:51:12,963 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-11 12:51:12,963 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 12:51:12,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:51:12,963 INFO L182 omatonBuilderFactory]: Interpolants [928#(and (= 0 main_~nondetString2~0.offset) (<= 1 (select |#length| main_~nondetString2~0.base))), 929#(and (<= 1 (select |#length| |cstrncmp_#in~s2.base|)) (= 0 |cstrncmp_#in~s2.offset|)), 930#(and (= cstrncmp_~s2.offset 0) (<= 1 (select |#length| cstrncmp_~s2.base))), 923#true, 924#false, 925#(<= 1 main_~length2~0), 926#(and (<= 1 main_~length2~0) (= 0 |main_#t~malloc16.offset|) (= main_~length2~0 (select |#length| |main_#t~malloc16.base|))), 927#(and (= 0 main_~nondetString2~0.offset) (<= 1 main_~length2~0) (= main_~length2~0 (select |#length| main_~nondetString2~0.base)))] [2018-04-11 12:51:12,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:51:12,964 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-11 12:51:12,964 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-11 12:51:12,964 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-04-11 12:51:12,964 INFO L87 Difference]: Start difference. First operand 59 states and 70 transitions. Second operand 8 states. [2018-04-11 12:51:13,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 12:51:13,057 INFO L93 Difference]: Finished difference Result 68 states and 80 transitions. [2018-04-11 12:51:13,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-11 12:51:13,058 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2018-04-11 12:51:13,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 12:51:13,058 INFO L225 Difference]: With dead ends: 68 [2018-04-11 12:51:13,059 INFO L226 Difference]: Without dead ends: 68 [2018-04-11 12:51:13,059 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2018-04-11 12:51:13,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-04-11 12:51:13,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 61. [2018-04-11 12:51:13,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-04-11 12:51:13,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 71 transitions. [2018-04-11 12:51:13,062 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 71 transitions. Word has length 23 [2018-04-11 12:51:13,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 12:51:13,062 INFO L459 AbstractCegarLoop]: Abstraction has 61 states and 71 transitions. [2018-04-11 12:51:13,062 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-11 12:51:13,062 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 71 transitions. [2018-04-11 12:51:13,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-04-11 12:51:13,063 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 12:51:13,063 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] [2018-04-11 12:51:13,063 INFO L408 AbstractCegarLoop]: === Iteration 9 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-04-11 12:51:13,063 INFO L82 PathProgramCache]: Analyzing trace with hash -633449795, now seen corresponding path program 1 times [2018-04-11 12:51:13,064 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 12:51:13,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 12:51:13,073 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 12:51:13,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:51:13,135 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 12:51:13,135 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 12:51:13,135 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 12:51:13,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:51:13,135 INFO L182 omatonBuilderFactory]: Interpolants [1064#true, 1065#false, 1066#(= |#valid| |old(#valid)|), 1067#(and (= (select |#valid| |main_#t~malloc15.base|) 1) (= (store |#valid| |main_#t~malloc15.base| 0) |old(#valid)|)), 1068#(and (= (store (store |#valid| |main_#t~malloc15.base| 0) |main_#t~malloc16.base| 0) |old(#valid)|) (not (= |main_#t~malloc15.base| |main_#t~malloc16.base|))), 1069#(= (store |#valid| |main_#t~malloc16.base| 0) |old(#valid)|)] [2018-04-11 12:51:13,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:51:13,135 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 12:51:13,135 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 12:51:13,135 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-11 12:51:13,136 INFO L87 Difference]: Start difference. First operand 61 states and 71 transitions. Second operand 6 states. [2018-04-11 12:51:13,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 12:51:13,272 INFO L93 Difference]: Finished difference Result 60 states and 70 transitions. [2018-04-11 12:51:13,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-11 12:51:13,273 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2018-04-11 12:51:13,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 12:51:13,273 INFO L225 Difference]: With dead ends: 60 [2018-04-11 12:51:13,273 INFO L226 Difference]: Without dead ends: 46 [2018-04-11 12:51:13,273 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-04-11 12:51:13,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-04-11 12:51:13,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2018-04-11 12:51:13,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-04-11 12:51:13,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 52 transitions. [2018-04-11 12:51:13,276 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 52 transitions. Word has length 26 [2018-04-11 12:51:13,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 12:51:13,276 INFO L459 AbstractCegarLoop]: Abstraction has 46 states and 52 transitions. [2018-04-11 12:51:13,276 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 12:51:13,276 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 52 transitions. [2018-04-11 12:51:13,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-11 12:51:13,277 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 12:51:13,277 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] [2018-04-11 12:51:13,278 INFO L408 AbstractCegarLoop]: === Iteration 10 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-04-11 12:51:13,279 INFO L82 PathProgramCache]: Analyzing trace with hash 517212813, now seen corresponding path program 1 times [2018-04-11 12:51:13,279 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 12:51:13,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 12:51:13,287 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 12:51:13,300 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:51:13,300 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 12:51:13,300 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 12:51:13,301 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 12:51:13,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:51:13,301 INFO L182 omatonBuilderFactory]: Interpolants [1180#true, 1181#false, 1182#(not |cstrncmp_#t~short5|)] [2018-04-11 12:51:13,301 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:51:13,301 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-11 12:51:13,302 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-11 12:51:13,302 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 12:51:13,302 INFO L87 Difference]: Start difference. First operand 46 states and 52 transitions. Second operand 3 states. [2018-04-11 12:51:13,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 12:51:13,308 INFO L93 Difference]: Finished difference Result 48 states and 53 transitions. [2018-04-11 12:51:13,309 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-11 12:51:13,309 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2018-04-11 12:51:13,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 12:51:13,310 INFO L225 Difference]: With dead ends: 48 [2018-04-11 12:51:13,310 INFO L226 Difference]: Without dead ends: 47 [2018-04-11 12:51:13,310 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 12:51:13,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-04-11 12:51:13,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2018-04-11 12:51:13,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-04-11 12:51:13,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 52 transitions. [2018-04-11 12:51:13,313 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 52 transitions. Word has length 28 [2018-04-11 12:51:13,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 12:51:13,313 INFO L459 AbstractCegarLoop]: Abstraction has 47 states and 52 transitions. [2018-04-11 12:51:13,313 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-11 12:51:13,313 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 52 transitions. [2018-04-11 12:51:13,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-04-11 12:51:13,314 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 12:51:13,314 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] [2018-04-11 12:51:13,314 INFO L408 AbstractCegarLoop]: === Iteration 11 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-04-11 12:51:13,314 INFO L82 PathProgramCache]: Analyzing trace with hash 733581303, now seen corresponding path program 1 times [2018-04-11 12:51:13,315 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 12:51:13,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 12:51:13,324 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 12:51:13,338 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:51:13,338 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 12:51:13,338 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 12:51:13,338 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 12:51:13,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:51:13,339 INFO L182 omatonBuilderFactory]: Interpolants [1280#|cstrncmp_#t~short7|, 1278#true, 1279#false] [2018-04-11 12:51:13,339 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:51:13,339 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-11 12:51:13,339 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-11 12:51:13,339 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 12:51:13,339 INFO L87 Difference]: Start difference. First operand 47 states and 52 transitions. Second operand 3 states. [2018-04-11 12:51:13,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 12:51:13,344 INFO L93 Difference]: Finished difference Result 48 states and 52 transitions. [2018-04-11 12:51:13,344 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-11 12:51:13,344 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2018-04-11 12:51:13,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 12:51:13,345 INFO L225 Difference]: With dead ends: 48 [2018-04-11 12:51:13,345 INFO L226 Difference]: Without dead ends: 47 [2018-04-11 12:51:13,345 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 12:51:13,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-04-11 12:51:13,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2018-04-11 12:51:13,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-04-11 12:51:13,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 50 transitions. [2018-04-11 12:51:13,348 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 50 transitions. Word has length 31 [2018-04-11 12:51:13,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 12:51:13,348 INFO L459 AbstractCegarLoop]: Abstraction has 47 states and 50 transitions. [2018-04-11 12:51:13,348 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-11 12:51:13,348 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 50 transitions. [2018-04-11 12:51:13,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-04-11 12:51:13,349 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 12:51:13,349 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] [2018-04-11 12:51:13,349 INFO L408 AbstractCegarLoop]: === Iteration 12 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-04-11 12:51:13,349 INFO L82 PathProgramCache]: Analyzing trace with hash 2137199122, now seen corresponding path program 1 times [2018-04-11 12:51:13,350 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 12:51:13,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 12:51:13,361 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 12:51:13,529 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:51:13,529 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 12:51:13,529 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-04-11 12:51:13,530 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 12:51:13,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:51:13,530 INFO L182 omatonBuilderFactory]: Interpolants [1376#true, 1377#false, 1378#(and (<= 1 main_~length1~0) (<= main_~length1~0 1)), 1379#(and (<= 1 main_~length1~0) (= (select |#valid| |main_#t~malloc15.base|) 1) (<= main_~length1~0 1) (= 0 |main_#t~malloc15.offset|)), 1380#(and (= (select |#valid| main_~nondetString1~0.base) 1) (<= 1 main_~length1~0) (<= main_~length1~0 1) (= main_~nondetString1~0.offset 0)), 1381#(and (<= 1 main_~length1~0) (<= main_~length1~0 1) (not (= main_~nondetString1~0.base |main_#t~malloc16.base|)) (= main_~nondetString1~0.offset 0)), 1382#(and (<= 1 main_~length1~0) (not (= main_~nondetString1~0.base main_~nondetString2~0.base)) (<= main_~length1~0 1) (= main_~nondetString1~0.offset 0)), 1383#(and (= 0 (select (select |#memory_int| main_~nondetString1~0.base) main_~nondetString1~0.offset)) (not (= main_~nondetString1~0.base main_~nondetString2~0.base)) (= main_~nondetString1~0.offset 0)), 1384#(= 0 (select (select |#memory_int| |cstrncmp_#in~s1.base|) |cstrncmp_#in~s1.offset|)), 1385#(= 0 (select (select |#memory_int| cstrncmp_~s1.base) cstrncmp_~s1.offset)), 1386#(= 0 |cstrncmp_#t~mem6|), 1387#|cstrncmp_#t~short7|] [2018-04-11 12:51:13,530 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:51:13,530 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-11 12:51:13,531 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-11 12:51:13,531 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2018-04-11 12:51:13,531 INFO L87 Difference]: Start difference. First operand 47 states and 50 transitions. Second operand 12 states. [2018-04-11 12:51:13,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 12:51:13,674 INFO L93 Difference]: Finished difference Result 69 states and 72 transitions. [2018-04-11 12:51:13,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-11 12:51:13,674 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 33 [2018-04-11 12:51:13,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 12:51:13,674 INFO L225 Difference]: With dead ends: 69 [2018-04-11 12:51:13,674 INFO L226 Difference]: Without dead ends: 47 [2018-04-11 12:51:13,674 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=267, Unknown=0, NotChecked=0, Total=342 [2018-04-11 12:51:13,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-04-11 12:51:13,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2018-04-11 12:51:13,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-04-11 12:51:13,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 49 transitions. [2018-04-11 12:51:13,676 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 49 transitions. Word has length 33 [2018-04-11 12:51:13,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 12:51:13,676 INFO L459 AbstractCegarLoop]: Abstraction has 47 states and 49 transitions. [2018-04-11 12:51:13,677 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-11 12:51:13,677 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 49 transitions. [2018-04-11 12:51:13,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-04-11 12:51:13,677 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 12:51:13,677 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] [2018-04-11 12:51:13,677 INFO L408 AbstractCegarLoop]: === Iteration 13 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-04-11 12:51:13,677 INFO L82 PathProgramCache]: Analyzing trace with hash -234540140, now seen corresponding path program 1 times [2018-04-11 12:51:13,678 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 12:51:13,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 12:51:13,691 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 12:51:13,886 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:51:13,886 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 12:51:13,886 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-04-11 12:51:13,886 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 12:51:13,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:51:13,887 INFO L182 omatonBuilderFactory]: Interpolants [1518#true, 1519#false, 1520#(<= 1 main_~length1~0), 1521#(and (<= 1 main_~length1~0) (= (select |#valid| |main_#t~malloc15.base|) 1) (= 0 |main_#t~malloc15.offset|)), 1522#(and (or (not (= (+ main_~nondetString1~0.offset main_~length1~0) 1)) (= (select |#valid| main_~nondetString1~0.base) 1)) (<= 1 main_~length1~0) (= main_~nondetString1~0.offset 0)), 1523#(and (or (not (= (+ main_~nondetString1~0.offset main_~length1~0) 1)) (not (= main_~nondetString1~0.base |main_#t~malloc16.base|))) (<= 1 main_~length1~0) (= main_~nondetString1~0.offset 0)), 1524#(and (or (not (= (+ main_~nondetString1~0.offset main_~length1~0) 1)) (not (= main_~nondetString1~0.base main_~nondetString2~0.base))) (<= 1 main_~length1~0) (= main_~nondetString1~0.offset 0)), 1525#(and (= 0 main_~nondetString1~0.offset) (or (and (= 0 (select (select |#memory_int| main_~nondetString1~0.base) main_~nondetString1~0.offset)) (not (= main_~nondetString1~0.base main_~nondetString2~0.base))) (<= 2 (select |#length| main_~nondetString1~0.base)))), 1526#(and (or (<= 2 (select |#length| |cstrncmp_#in~s1.base|)) (= 0 (select (select |#memory_int| |cstrncmp_#in~s1.base|) |cstrncmp_#in~s1.offset|))) (= 0 |cstrncmp_#in~s1.offset|)), 1527#(and (or (<= 2 (select |#length| cstrncmp_~s1.base)) (= 0 (select (select |#memory_int| cstrncmp_~s1.base) cstrncmp_~s1.offset))) (= cstrncmp_~s1.offset 0)), 1528#(and (or (<= 2 (select |#length| cstrncmp_~s1.base)) (= 0 |cstrncmp_#t~mem6|)) (= cstrncmp_~s1.offset 0)), 1529#(and (= cstrncmp_~s1.offset 0) (or (<= 2 (select |#length| cstrncmp_~s1.base)) |cstrncmp_#t~short7|)), 1530#(and (<= 1 cstrncmp_~s1.offset) (<= (+ cstrncmp_~s1.offset 1) (select |#length| cstrncmp_~s1.base)))] [2018-04-11 12:51:13,887 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:51:13,887 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-11 12:51:13,887 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-11 12:51:13,887 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-04-11 12:51:13,888 INFO L87 Difference]: Start difference. First operand 47 states and 49 transitions. Second operand 13 states. [2018-04-11 12:51:14,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 12:51:14,124 INFO L93 Difference]: Finished difference Result 66 states and 69 transitions. [2018-04-11 12:51:14,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-11 12:51:14,125 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 33 [2018-04-11 12:51:14,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 12:51:14,125 INFO L225 Difference]: With dead ends: 66 [2018-04-11 12:51:14,125 INFO L226 Difference]: Without dead ends: 66 [2018-04-11 12:51:14,126 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=339, Unknown=0, NotChecked=0, Total=420 [2018-04-11 12:51:14,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-04-11 12:51:14,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 60. [2018-04-11 12:51:14,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-04-11 12:51:14,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 65 transitions. [2018-04-11 12:51:14,128 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 65 transitions. Word has length 33 [2018-04-11 12:51:14,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 12:51:14,128 INFO L459 AbstractCegarLoop]: Abstraction has 60 states and 65 transitions. [2018-04-11 12:51:14,128 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-11 12:51:14,128 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 65 transitions. [2018-04-11 12:51:14,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-04-11 12:51:14,129 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 12:51:14,129 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] [2018-04-11 12:51:14,129 INFO L408 AbstractCegarLoop]: === Iteration 14 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-04-11 12:51:14,129 INFO L82 PathProgramCache]: Analyzing trace with hash 1319190247, now seen corresponding path program 1 times [2018-04-11 12:51:14,130 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 12:51:14,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 12:51:14,142 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 12:51:14,266 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:51:14,266 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 12:51:14,266 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-04-11 12:51:14,266 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 12:51:14,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:51:14,266 INFO L182 omatonBuilderFactory]: Interpolants [1673#true, 1674#false, 1675#(and (<= main_~length2~0 1) (<= 1 main_~length2~0)), 1676#(and (<= main_~length2~0 1) (<= 1 main_~length2~0) (= 0 |main_#t~malloc16.offset|)), 1677#(and (= main_~nondetString2~0.offset 0) (<= 1 main_~length2~0) (<= (+ main_~nondetString2~0.offset main_~length2~0) 1)), 1678#(and (= main_~nondetString2~0.offset 0) (= 0 (select (select |#memory_int| main_~nondetString2~0.base) main_~nondetString2~0.offset))), 1679#(= 0 (select (select |#memory_int| |cstrncmp_#in~s2.base|) |cstrncmp_#in~s2.offset|)), 1680#(= 0 (select (select |#memory_int| cstrncmp_~s2.base) cstrncmp_~s2.offset)), 1681#(and (= (select (select |#memory_int| cstrncmp_~s1.base) cstrncmp_~s1.offset) |cstrncmp_#t~mem3|) (= 0 (select (select |#memory_int| cstrncmp_~s2.base) cstrncmp_~s2.offset))), 1682#(and (= |cstrncmp_#t~mem4| (select (select |#memory_int| cstrncmp_~s2.base) cstrncmp_~s2.offset)) (= (select (select |#memory_int| cstrncmp_~s1.base) cstrncmp_~s1.offset) |cstrncmp_#t~mem3|) (= 0 (select (select |#memory_int| cstrncmp_~s2.base) cstrncmp_~s2.offset))), 1683#(or (not |cstrncmp_#t~short5|) (and (= 0 (select (select |#memory_int| cstrncmp_~s2.base) cstrncmp_~s2.offset)) (= (select (select |#memory_int| cstrncmp_~s1.base) cstrncmp_~s1.offset) (select (select |#memory_int| cstrncmp_~s2.base) cstrncmp_~s2.offset)))), 1684#(and (= 0 (select (select |#memory_int| cstrncmp_~s2.base) cstrncmp_~s2.offset)) (= (select (select |#memory_int| cstrncmp_~s1.base) cstrncmp_~s1.offset) (select (select |#memory_int| cstrncmp_~s2.base) cstrncmp_~s2.offset))), 1685#(and (= |cstrncmp_#t~mem6| (select (select |#memory_int| cstrncmp_~s2.base) cstrncmp_~s2.offset)) (= 0 (select (select |#memory_int| cstrncmp_~s2.base) cstrncmp_~s2.offset))), 1686#|cstrncmp_#t~short7|] [2018-04-11 12:51:14,266 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:51:14,266 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-11 12:51:14,267 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-11 12:51:14,267 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-04-11 12:51:14,267 INFO L87 Difference]: Start difference. First operand 60 states and 65 transitions. Second operand 14 states. [2018-04-11 12:51:14,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 12:51:14,409 INFO L93 Difference]: Finished difference Result 81 states and 85 transitions. [2018-04-11 12:51:14,409 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-11 12:51:14,409 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 34 [2018-04-11 12:51:14,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 12:51:14,409 INFO L225 Difference]: With dead ends: 81 [2018-04-11 12:51:14,409 INFO L226 Difference]: Without dead ends: 60 [2018-04-11 12:51:14,410 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=100, Invalid=406, Unknown=0, NotChecked=0, Total=506 [2018-04-11 12:51:14,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-04-11 12:51:14,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2018-04-11 12:51:14,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-04-11 12:51:14,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 64 transitions. [2018-04-11 12:51:14,411 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 64 transitions. Word has length 34 [2018-04-11 12:51:14,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 12:51:14,411 INFO L459 AbstractCegarLoop]: Abstraction has 60 states and 64 transitions. [2018-04-11 12:51:14,412 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-11 12:51:14,412 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 64 transitions. [2018-04-11 12:51:14,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-04-11 12:51:14,412 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 12:51:14,412 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] [2018-04-11 12:51:14,412 INFO L408 AbstractCegarLoop]: === Iteration 15 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-04-11 12:51:14,412 INFO L82 PathProgramCache]: Analyzing trace with hash -1052549015, now seen corresponding path program 1 times [2018-04-11 12:51:14,413 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 12:51:14,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 12:51:14,423 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 12:51:14,602 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:51:14,602 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 12:51:14,602 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-04-11 12:51:14,602 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 12:51:14,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:51:14,603 INFO L182 omatonBuilderFactory]: Interpolants [1856#(and (or (not |cstrncmp_#t~short5|) (<= 2 (select |#length| cstrncmp_~s2.base)) (and (= 0 (select (select |#memory_int| cstrncmp_~s2.base) cstrncmp_~s2.offset)) (= (select (select |#memory_int| cstrncmp_~s1.base) cstrncmp_~s1.offset) (select (select |#memory_int| cstrncmp_~s2.base) cstrncmp_~s2.offset)))) (= cstrncmp_~s2.offset 0)), 1857#(and (= cstrncmp_~s2.offset 0) (or (<= 2 (select |#length| cstrncmp_~s2.base)) (and (= 0 (select (select |#memory_int| cstrncmp_~s2.base) cstrncmp_~s2.offset)) (= (select (select |#memory_int| cstrncmp_~s1.base) cstrncmp_~s1.offset) (select (select |#memory_int| cstrncmp_~s2.base) cstrncmp_~s2.offset))))), 1858#(and (or (<= 2 (select |#length| cstrncmp_~s2.base)) (and (= |cstrncmp_#t~mem6| (select (select |#memory_int| cstrncmp_~s2.base) cstrncmp_~s2.offset)) (= 0 (select (select |#memory_int| cstrncmp_~s2.base) cstrncmp_~s2.offset)))) (= cstrncmp_~s2.offset 0)), 1859#(and (or (<= 2 (select |#length| cstrncmp_~s2.base)) |cstrncmp_#t~short7|) (= cstrncmp_~s2.offset 0)), 1860#(and (<= (+ cstrncmp_~s2.offset 1) (select |#length| cstrncmp_~s2.base)) (<= 1 cstrncmp_~s2.offset)), 1846#true, 1847#false, 1848#(<= 1 main_~length2~0), 1849#(and (<= 1 main_~length2~0) (= 0 |main_#t~malloc16.offset|) (= main_~length2~0 (select |#length| |main_#t~malloc16.base|))), 1850#(and (= 0 main_~nondetString2~0.offset) (<= 1 main_~length2~0) (or (= (+ main_~nondetString2~0.offset main_~length2~0) 1) (= main_~length2~0 (select |#length| main_~nondetString2~0.base)))), 1851#(and (= 0 main_~nondetString2~0.offset) (or (= 0 (select (select |#memory_int| main_~nondetString2~0.base) main_~nondetString2~0.offset)) (<= 2 (+ main_~nondetString2~0.offset (select |#length| main_~nondetString2~0.base))))), 1852#(and (or (= 0 (select (select |#memory_int| |cstrncmp_#in~s2.base|) |cstrncmp_#in~s2.offset|)) (<= 2 (select |#length| |cstrncmp_#in~s2.base|))) (= 0 |cstrncmp_#in~s2.offset|)), 1853#(and (or (<= 2 (select |#length| cstrncmp_~s2.base)) (= 0 (select (select |#memory_int| cstrncmp_~s2.base) cstrncmp_~s2.offset))) (= cstrncmp_~s2.offset 0)), 1854#(and (= cstrncmp_~s2.offset 0) (or (and (= (select (select |#memory_int| cstrncmp_~s1.base) cstrncmp_~s1.offset) |cstrncmp_#t~mem3|) (= 0 (select (select |#memory_int| cstrncmp_~s2.base) cstrncmp_~s2.offset))) (<= 2 (select |#length| cstrncmp_~s2.base)))), 1855#(and (or (<= 2 (select |#length| cstrncmp_~s2.base)) (and (= |cstrncmp_#t~mem4| (select (select |#memory_int| cstrncmp_~s2.base) cstrncmp_~s2.offset)) (= (select (select |#memory_int| cstrncmp_~s1.base) cstrncmp_~s1.offset) |cstrncmp_#t~mem3|) (= 0 (select (select |#memory_int| cstrncmp_~s2.base) cstrncmp_~s2.offset)))) (= cstrncmp_~s2.offset 0))] [2018-04-11 12:51:14,603 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:51:14,603 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-11 12:51:14,603 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-11 12:51:14,604 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2018-04-11 12:51:14,604 INFO L87 Difference]: Start difference. First operand 60 states and 64 transitions. Second operand 15 states. [2018-04-11 12:51:14,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 12:51:14,912 INFO L93 Difference]: Finished difference Result 64 states and 66 transitions. [2018-04-11 12:51:14,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-11 12:51:14,913 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 34 [2018-04-11 12:51:14,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 12:51:14,913 INFO L225 Difference]: With dead ends: 64 [2018-04-11 12:51:14,913 INFO L226 Difference]: Without dead ends: 60 [2018-04-11 12:51:14,913 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=106, Invalid=494, Unknown=0, NotChecked=0, Total=600 [2018-04-11 12:51:14,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-04-11 12:51:14,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 58. [2018-04-11 12:51:14,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-04-11 12:51:14,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 59 transitions. [2018-04-11 12:51:14,916 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 59 transitions. Word has length 34 [2018-04-11 12:51:14,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 12:51:14,916 INFO L459 AbstractCegarLoop]: Abstraction has 58 states and 59 transitions. [2018-04-11 12:51:14,916 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-11 12:51:14,917 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 59 transitions. [2018-04-11 12:51:14,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-04-11 12:51:14,917 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 12:51:14,917 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 12:51:14,918 INFO L408 AbstractCegarLoop]: === Iteration 16 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-04-11 12:51:14,918 INFO L82 PathProgramCache]: Analyzing trace with hash -1148970598, now seen corresponding path program 1 times [2018-04-11 12:51:14,919 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 12:51:14,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 12:51:14,931 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 12:51:15,194 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:51:15,195 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 12:51:15,195 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-04-11 12:51:15,195 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 12:51:15,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:51:15,195 INFO L182 omatonBuilderFactory]: Interpolants [2016#(and (<= 2 cstrncmp_~s1.offset) (<= (+ cstrncmp_~s1.offset 1) (select |#length| cstrncmp_~s1.base))), 2003#true, 2004#false, 2005#(and (= main_~length1~0 (select |#length| |main_#t~malloc15.base|)) (= (select |#valid| |main_#t~malloc15.base|) 1) (= 0 |main_#t~malloc15.offset|)), 2006#(and (= 0 main_~nondetString1~0.offset) (= (select |#valid| main_~nondetString1~0.base) 1) (or (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (= (+ main_~nondetString1~0.offset main_~length1~0) 2))), 2007#(and (= 0 main_~nondetString1~0.offset) (or (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (= (+ main_~nondetString1~0.offset main_~length1~0) 2)) (not (= main_~nondetString1~0.base |main_#t~malloc16.base|))), 2008#(and (= 0 main_~nondetString1~0.offset) (or (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (= (+ main_~nondetString1~0.offset main_~length1~0) 2)) (not (= main_~nondetString1~0.base main_~nondetString2~0.base))), 2009#(and (= 0 main_~nondetString1~0.offset) (not (= main_~nondetString1~0.base main_~nondetString2~0.base)) (or (= 0 (select (select |#memory_int| main_~nondetString1~0.base) 1)) (<= 3 (+ main_~nondetString1~0.offset (select |#length| main_~nondetString1~0.base))) (<= (+ main_~nondetString1~0.offset (select |#length| main_~nondetString1~0.base)) 1))), 2010#(and (= 0 |cstrncmp_#in~s1.offset|) (or (<= (select |#length| |cstrncmp_#in~s1.base|) 1) (= 0 (select (select |#memory_int| |cstrncmp_#in~s1.base|) 1)) (<= 3 (select |#length| |cstrncmp_#in~s1.base|)))), 2011#(and (or (= 0 (select (select |#memory_int| cstrncmp_~s1.base) 1)) (<= (select |#length| cstrncmp_~s1.base) 1) (<= 3 (select |#length| cstrncmp_~s1.base))) (= cstrncmp_~s1.offset 0)), 2012#(or (and (<= 1 cstrncmp_~s1.offset) (or (<= (+ cstrncmp_~s1.offset 2) (select |#length| cstrncmp_~s1.base)) (<= (select |#length| cstrncmp_~s1.base) cstrncmp_~s1.offset))) (and (= 0 (select (select |#memory_int| cstrncmp_~s1.base) cstrncmp_~s1.offset)) (= 1 cstrncmp_~s1.offset))), 2013#(or (and (<= 1 cstrncmp_~s1.offset) (<= (+ cstrncmp_~s1.offset 2) (select |#length| cstrncmp_~s1.base))) (and (= 0 (select (select |#memory_int| cstrncmp_~s1.base) cstrncmp_~s1.offset)) (= 1 cstrncmp_~s1.offset))), 2014#(or (and (= 0 |cstrncmp_#t~mem6|) (= 1 cstrncmp_~s1.offset)) (and (<= 1 cstrncmp_~s1.offset) (<= (+ cstrncmp_~s1.offset 2) (select |#length| cstrncmp_~s1.base)))), 2015#(or (and |cstrncmp_#t~short7| (= 1 cstrncmp_~s1.offset)) (and (<= 1 cstrncmp_~s1.offset) (<= (+ cstrncmp_~s1.offset 2) (select |#length| cstrncmp_~s1.base))))] [2018-04-11 12:51:15,196 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:51:15,196 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-11 12:51:15,196 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-11 12:51:15,196 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2018-04-11 12:51:15,196 INFO L87 Difference]: Start difference. First operand 58 states and 59 transitions. Second operand 14 states. [2018-04-11 12:51:15,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 12:51:15,512 INFO L93 Difference]: Finished difference Result 77 states and 79 transitions. [2018-04-11 12:51:15,512 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-11 12:51:15,512 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 44 [2018-04-11 12:51:15,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 12:51:15,513 INFO L225 Difference]: With dead ends: 77 [2018-04-11 12:51:15,513 INFO L226 Difference]: Without dead ends: 77 [2018-04-11 12:51:15,513 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=90, Invalid=462, Unknown=0, NotChecked=0, Total=552 [2018-04-11 12:51:15,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-04-11 12:51:15,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 71. [2018-04-11 12:51:15,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-04-11 12:51:15,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 75 transitions. [2018-04-11 12:51:15,515 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 75 transitions. Word has length 44 [2018-04-11 12:51:15,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 12:51:15,515 INFO L459 AbstractCegarLoop]: Abstraction has 71 states and 75 transitions. [2018-04-11 12:51:15,515 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-11 12:51:15,515 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 75 transitions. [2018-04-11 12:51:15,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-04-11 12:51:15,516 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 12:51:15,516 INFO L355 BasicCegarLoop]: trace histogram [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] [2018-04-11 12:51:15,516 INFO L408 AbstractCegarLoop]: === Iteration 17 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-04-11 12:51:15,516 INFO L82 PathProgramCache]: Analyzing trace with hash -1258350175, now seen corresponding path program 2 times [2018-04-11 12:51:15,517 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 12:51:15,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 12:51:15,527 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 12:51:15,816 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:51:15,817 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 12:51:15,817 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-04-11 12:51:15,817 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 12:51:15,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:51:15,817 INFO L182 omatonBuilderFactory]: Interpolants [2185#true, 2186#false, 2187#(and (= 0 |main_#t~malloc16.offset|) (= main_~length2~0 (select |#length| |main_#t~malloc16.base|))), 2188#(and (= 0 main_~nondetString2~0.offset) (= main_~length2~0 (select |#length| main_~nondetString2~0.base))), 2189#(and (= 0 main_~nondetString2~0.offset) (or (= 0 (select (select |#memory_int| main_~nondetString2~0.base) 1)) (<= (+ main_~nondetString2~0.offset (select |#length| main_~nondetString2~0.base)) 1) (<= 3 (+ main_~nondetString2~0.offset (select |#length| main_~nondetString2~0.base))))), 2190#(and (or (<= 3 (select |#length| |cstrncmp_#in~s2.base|)) (= 0 (select (select |#memory_int| |cstrncmp_#in~s2.base|) 1)) (<= (select |#length| |cstrncmp_#in~s2.base|) 1)) (= 0 |cstrncmp_#in~s2.offset|)), 2191#(and (or (<= 3 (select |#length| cstrncmp_~s2.base)) (= 0 (select (select |#memory_int| cstrncmp_~s2.base) 1)) (<= (select |#length| cstrncmp_~s2.base) 1)) (= cstrncmp_~s2.offset 0)), 2192#(or (and (= 0 (select (select |#memory_int| cstrncmp_~s2.base) cstrncmp_~s2.offset)) (= 1 cstrncmp_~s2.offset)) (and (or (<= (+ cstrncmp_~s2.offset 2) (select |#length| cstrncmp_~s2.base)) (<= (select |#length| cstrncmp_~s2.base) cstrncmp_~s2.offset)) (<= 1 cstrncmp_~s2.offset))), 2193#(or (and (= (select (select |#memory_int| cstrncmp_~s1.base) cstrncmp_~s1.offset) |cstrncmp_#t~mem3|) (= 0 (select (select |#memory_int| cstrncmp_~s2.base) cstrncmp_~s2.offset)) (= 1 cstrncmp_~s2.offset)) (and (or (<= (+ cstrncmp_~s2.offset 2) (select |#length| cstrncmp_~s2.base)) (<= (select |#length| cstrncmp_~s2.base) cstrncmp_~s2.offset)) (<= 1 cstrncmp_~s2.offset))), 2194#(or (and (<= (+ cstrncmp_~s2.offset 2) (select |#length| cstrncmp_~s2.base)) (<= 1 cstrncmp_~s2.offset)) (and (= |cstrncmp_#t~mem4| (select (select |#memory_int| cstrncmp_~s2.base) cstrncmp_~s2.offset)) (= (select (select |#memory_int| cstrncmp_~s1.base) cstrncmp_~s1.offset) |cstrncmp_#t~mem3|) (= 0 (select (select |#memory_int| cstrncmp_~s2.base) cstrncmp_~s2.offset)) (= 1 cstrncmp_~s2.offset))), 2195#(or (and (<= (+ cstrncmp_~s2.offset 2) (select |#length| cstrncmp_~s2.base)) (<= 1 cstrncmp_~s2.offset)) (and (or (not |cstrncmp_#t~short5|) (and (= 0 (select (select |#memory_int| cstrncmp_~s2.base) cstrncmp_~s2.offset)) (= (select (select |#memory_int| cstrncmp_~s1.base) cstrncmp_~s1.offset) (select (select |#memory_int| cstrncmp_~s2.base) cstrncmp_~s2.offset)))) (= 1 cstrncmp_~s2.offset))), 2196#(or (and (= 0 (select (select |#memory_int| cstrncmp_~s2.base) cstrncmp_~s2.offset)) (= (select (select |#memory_int| cstrncmp_~s1.base) cstrncmp_~s1.offset) (select (select |#memory_int| cstrncmp_~s2.base) cstrncmp_~s2.offset)) (= 1 cstrncmp_~s2.offset)) (and (<= (+ cstrncmp_~s2.offset 2) (select |#length| cstrncmp_~s2.base)) (<= 1 cstrncmp_~s2.offset))), 2197#(or (and (= |cstrncmp_#t~mem6| (select (select |#memory_int| cstrncmp_~s2.base) cstrncmp_~s2.offset)) (= 0 (select (select |#memory_int| cstrncmp_~s2.base) cstrncmp_~s2.offset)) (= 1 cstrncmp_~s2.offset)) (and (<= (+ cstrncmp_~s2.offset 2) (select |#length| cstrncmp_~s2.base)) (<= 1 cstrncmp_~s2.offset))), 2198#(or (and (<= (+ cstrncmp_~s2.offset 2) (select |#length| cstrncmp_~s2.base)) (<= 1 cstrncmp_~s2.offset)) (and |cstrncmp_#t~short7| (= 1 cstrncmp_~s2.offset))), 2199#(and (<= 2 cstrncmp_~s2.offset) (<= (+ cstrncmp_~s2.offset 1) (select |#length| cstrncmp_~s2.base)))] [2018-04-11 12:51:15,817 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:51:15,817 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-11 12:51:15,818 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-11 12:51:15,818 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2018-04-11 12:51:15,818 INFO L87 Difference]: Start difference. First operand 71 states and 75 transitions. Second operand 15 states. [2018-04-11 12:51:16,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 12:51:16,199 INFO L93 Difference]: Finished difference Result 75 states and 77 transitions. [2018-04-11 12:51:16,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-11 12:51:16,199 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 45 [2018-04-11 12:51:16,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 12:51:16,200 INFO L225 Difference]: With dead ends: 75 [2018-04-11 12:51:16,200 INFO L226 Difference]: Without dead ends: 71 [2018-04-11 12:51:16,200 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=106, Invalid=544, Unknown=0, NotChecked=0, Total=650 [2018-04-11 12:51:16,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2018-04-11 12:51:16,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 69. [2018-04-11 12:51:16,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-04-11 12:51:16,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 70 transitions. [2018-04-11 12:51:16,201 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 70 transitions. Word has length 45 [2018-04-11 12:51:16,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 12:51:16,202 INFO L459 AbstractCegarLoop]: Abstraction has 69 states and 70 transitions. [2018-04-11 12:51:16,202 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-11 12:51:16,202 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 70 transitions. [2018-04-11 12:51:16,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-04-11 12:51:16,202 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 12:51:16,202 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 12:51:16,202 INFO L408 AbstractCegarLoop]: === Iteration 18 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-04-11 12:51:16,202 INFO L82 PathProgramCache]: Analyzing trace with hash 1488170194, now seen corresponding path program 2 times [2018-04-11 12:51:16,203 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 12:51:16,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 12:51:16,211 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 12:51:16,373 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-04-11 12:51:16,373 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 12:51:16,373 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-04-11 12:51:16,373 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 12:51:16,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:51:16,374 INFO L182 omatonBuilderFactory]: Interpolants [2368#(and (= main_~length1~0 (select |#length| |main_#t~malloc15.base|)) (= (select |#valid| |main_#t~malloc15.base|) 1) (= 0 |main_#t~malloc15.offset|)), 2369#(and (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (= (select |#valid| main_~nondetString1~0.base) 1) (= main_~nondetString1~0.offset 0)), 2370#(and (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (not (= main_~nondetString1~0.base |main_#t~malloc16.base|)) (= main_~nondetString1~0.offset 0)), 2371#(and (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (not (= main_~nondetString1~0.base main_~nondetString2~0.base)) (= main_~nondetString1~0.offset 0)), 2372#(and (not (= main_~nondetString1~0.base main_~nondetString2~0.base)) (= 0 (select (select |#memory_int| main_~nondetString1~0.base) (+ (select |#length| main_~nondetString1~0.base) (+ main_~nondetString1~0.offset (- 1))))) (= main_~nondetString1~0.offset 0)), 2373#(= 0 (select (select |#memory_int| |cstrncmp_#in~s1.base|) (+ (select |#length| |cstrncmp_#in~s1.base|) (- 1)))), 2374#(= 0 (select (select |#memory_int| cstrncmp_~s1.base) (+ (select |#length| cstrncmp_~s1.base) (- 1)))), 2375#(or (<= (+ cstrncmp_~s1.offset 2) (select |#length| cstrncmp_~s1.base)) (<= (select |#length| cstrncmp_~s1.base) cstrncmp_~s1.offset) (= 0 (select (select |#memory_int| cstrncmp_~s1.base) cstrncmp_~s1.offset))), 2376#(or (and (<= 0 cstrncmp_~s1.offset) (<= (+ cstrncmp_~s1.offset 2) (select |#length| cstrncmp_~s1.base))) (= 0 (select (select |#memory_int| cstrncmp_~s1.base) cstrncmp_~s1.offset))), 2377#(or (and (<= 0 cstrncmp_~s1.offset) (<= (+ cstrncmp_~s1.offset 2) (select |#length| cstrncmp_~s1.base))) (= 0 |cstrncmp_#t~mem6|)), 2378#(or (and (<= 0 cstrncmp_~s1.offset) (<= (+ cstrncmp_~s1.offset 2) (select |#length| cstrncmp_~s1.base))) |cstrncmp_#t~short7|), 2379#(and (<= 1 cstrncmp_~s1.offset) (<= (+ cstrncmp_~s1.offset 1) (select |#length| cstrncmp_~s1.base))), 2366#true, 2367#false] [2018-04-11 12:51:16,374 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-04-11 12:51:16,374 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-11 12:51:16,374 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-11 12:51:16,374 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2018-04-11 12:51:16,374 INFO L87 Difference]: Start difference. First operand 69 states and 70 transitions. Second operand 14 states. [2018-04-11 12:51:16,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 12:51:16,686 INFO L93 Difference]: Finished difference Result 66 states and 67 transitions. [2018-04-11 12:51:16,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-11 12:51:16,687 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 55 [2018-04-11 12:51:16,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 12:51:16,687 INFO L225 Difference]: With dead ends: 66 [2018-04-11 12:51:16,687 INFO L226 Difference]: Without dead ends: 66 [2018-04-11 12:51:16,687 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=123, Invalid=477, Unknown=0, NotChecked=0, Total=600 [2018-04-11 12:51:16,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-04-11 12:51:16,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 64. [2018-04-11 12:51:16,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-04-11 12:51:16,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 65 transitions. [2018-04-11 12:51:16,689 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 65 transitions. Word has length 55 [2018-04-11 12:51:16,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 12:51:16,689 INFO L459 AbstractCegarLoop]: Abstraction has 64 states and 65 transitions. [2018-04-11 12:51:16,689 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-11 12:51:16,689 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 65 transitions. [2018-04-11 12:51:16,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-04-11 12:51:16,690 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 12:51:16,690 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 12:51:16,690 INFO L408 AbstractCegarLoop]: === Iteration 19 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-04-11 12:51:16,690 INFO L82 PathProgramCache]: Analyzing trace with hash -1111364247, now seen corresponding path program 3 times [2018-04-11 12:51:16,691 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 12:51:16,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 12:51:16,700 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 12:51:16,874 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-04-11 12:51:16,874 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 12:51:16,875 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-04-11 12:51:16,875 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 12:51:16,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:51:16,875 INFO L182 omatonBuilderFactory]: Interpolants [2532#true, 2533#false, 2534#(and (= 0 |main_#t~malloc16.offset|) (= main_~length2~0 (select |#length| |main_#t~malloc16.base|))), 2535#(and (= main_~nondetString2~0.offset 0) (= main_~length2~0 (select |#length| main_~nondetString2~0.base))), 2536#(and (= main_~nondetString2~0.offset 0) (= 0 (select (select |#memory_int| main_~nondetString2~0.base) (+ (select |#length| main_~nondetString2~0.base) (+ main_~nondetString2~0.offset (- 1)))))), 2537#(= 0 (select (select |#memory_int| |cstrncmp_#in~s2.base|) (+ (select |#length| |cstrncmp_#in~s2.base|) (- 1)))), 2538#(= 0 (select (select |#memory_int| cstrncmp_~s2.base) (+ (select |#length| cstrncmp_~s2.base) (- 1)))), 2539#(or (<= (+ cstrncmp_~s2.offset 2) (select |#length| cstrncmp_~s2.base)) (<= (select |#length| cstrncmp_~s2.base) cstrncmp_~s2.offset) (= 0 (select (select |#memory_int| cstrncmp_~s2.base) cstrncmp_~s2.offset))), 2540#(or (<= (+ cstrncmp_~s2.offset 2) (select |#length| cstrncmp_~s2.base)) (and (= (select (select |#memory_int| cstrncmp_~s1.base) cstrncmp_~s1.offset) |cstrncmp_#t~mem3|) (= 0 (select (select |#memory_int| cstrncmp_~s2.base) cstrncmp_~s2.offset))) (<= (select |#length| cstrncmp_~s2.base) cstrncmp_~s2.offset)), 2541#(or (and (= |cstrncmp_#t~mem4| (select (select |#memory_int| cstrncmp_~s2.base) cstrncmp_~s2.offset)) (= (select (select |#memory_int| cstrncmp_~s1.base) cstrncmp_~s1.offset) |cstrncmp_#t~mem3|) (= 0 (select (select |#memory_int| cstrncmp_~s2.base) cstrncmp_~s2.offset))) (and (<= (+ cstrncmp_~s2.offset 2) (select |#length| cstrncmp_~s2.base)) (<= 0 cstrncmp_~s2.offset))), 2542#(or (not |cstrncmp_#t~short5|) (and (= 0 (select (select |#memory_int| cstrncmp_~s2.base) cstrncmp_~s2.offset)) (= (select (select |#memory_int| cstrncmp_~s1.base) cstrncmp_~s1.offset) (select (select |#memory_int| cstrncmp_~s2.base) cstrncmp_~s2.offset))) (and (<= (+ cstrncmp_~s2.offset 2) (select |#length| cstrncmp_~s2.base)) (<= 0 cstrncmp_~s2.offset))), 2543#(or (and (= 0 (select (select |#memory_int| cstrncmp_~s2.base) cstrncmp_~s2.offset)) (= (select (select |#memory_int| cstrncmp_~s1.base) cstrncmp_~s1.offset) (select (select |#memory_int| cstrncmp_~s2.base) cstrncmp_~s2.offset))) (and (<= (+ cstrncmp_~s2.offset 2) (select |#length| cstrncmp_~s2.base)) (<= 0 cstrncmp_~s2.offset))), 2544#(or (and (= |cstrncmp_#t~mem6| (select (select |#memory_int| cstrncmp_~s2.base) cstrncmp_~s2.offset)) (= 0 (select (select |#memory_int| cstrncmp_~s2.base) cstrncmp_~s2.offset))) (and (<= (+ cstrncmp_~s2.offset 2) (select |#length| cstrncmp_~s2.base)) (<= 0 cstrncmp_~s2.offset))), 2545#(or (and (<= (+ cstrncmp_~s2.offset 2) (select |#length| cstrncmp_~s2.base)) (<= 0 cstrncmp_~s2.offset)) |cstrncmp_#t~short7|), 2546#(and (<= (+ cstrncmp_~s2.offset 1) (select |#length| cstrncmp_~s2.base)) (<= 1 cstrncmp_~s2.offset))] [2018-04-11 12:51:16,875 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-04-11 12:51:16,875 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-11 12:51:16,875 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-11 12:51:16,875 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2018-04-11 12:51:16,876 INFO L87 Difference]: Start difference. First operand 64 states and 65 transitions. Second operand 15 states. [2018-04-11 12:51:17,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 12:51:17,347 INFO L93 Difference]: Finished difference Result 62 states and 63 transitions. [2018-04-11 12:51:17,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-04-11 12:51:17,347 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 56 [2018-04-11 12:51:17,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 12:51:17,347 INFO L225 Difference]: With dead ends: 62 [2018-04-11 12:51:17,347 INFO L226 Difference]: Without dead ends: 0 [2018-04-11 12:51:17,348 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=207, Invalid=785, Unknown=0, NotChecked=0, Total=992 [2018-04-11 12:51:17,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-11 12:51:17,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-11 12:51:17,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-11 12:51:17,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-11 12:51:17,348 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2018-04-11 12:51:17,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 12:51:17,348 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-11 12:51:17,348 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-11 12:51:17,348 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-11 12:51:17,348 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-11 12:51:17,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.04 12:51:17 BoogieIcfgContainer [2018-04-11 12:51:17,351 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-11 12:51:17,351 INFO L168 Benchmark]: Toolchain (without parser) took 6284.75 ms. Allocated memory was 398.5 MB in the beginning and 788.5 MB in the end (delta: 390.1 MB). Free memory was 330.0 MB in the beginning and 712.3 MB in the end (delta: -382.4 MB). Peak memory consumption was 7.7 MB. Max. memory is 5.3 GB. [2018-04-11 12:51:17,352 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 398.5 MB. Free memory is still 358.5 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 12:51:17,352 INFO L168 Benchmark]: CACSL2BoogieTranslator took 244.19 ms. Allocated memory is still 398.5 MB. Free memory was 328.7 MB in the beginning and 304.8 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. [2018-04-11 12:51:17,352 INFO L168 Benchmark]: Boogie Preprocessor took 42.24 ms. Allocated memory is still 398.5 MB. Free memory was 304.8 MB in the beginning and 303.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. [2018-04-11 12:51:17,353 INFO L168 Benchmark]: RCFGBuilder took 411.38 ms. Allocated memory was 398.5 MB in the beginning and 609.2 MB in the end (delta: 210.8 MB). Free memory was 302.1 MB in the beginning and 542.8 MB in the end (delta: -240.7 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. [2018-04-11 12:51:17,353 INFO L168 Benchmark]: TraceAbstraction took 5583.88 ms. Allocated memory was 609.2 MB in the beginning and 788.5 MB in the end (delta: 179.3 MB). Free memory was 541.1 MB in the beginning and 712.3 MB in the end (delta: -171.3 MB). Peak memory consumption was 8.0 MB. Max. memory is 5.3 GB. [2018-04-11 12:51:17,353 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 398.5 MB. Free memory is still 358.5 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 244.19 ms. Allocated memory is still 398.5 MB. Free memory was 328.7 MB in the beginning and 304.8 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 42.24 ms. Allocated memory is still 398.5 MB. Free memory was 304.8 MB in the beginning and 303.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. * RCFGBuilder took 411.38 ms. Allocated memory was 398.5 MB in the beginning and 609.2 MB in the end (delta: 210.8 MB). Free memory was 302.1 MB in the beginning and 542.8 MB in the end (delta: -240.7 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. * TraceAbstraction took 5583.88 ms. Allocated memory was 609.2 MB in the beginning and 788.5 MB in the end (delta: 179.3 MB). Free memory was 541.1 MB in the beginning and 712.3 MB in the end (delta: -171.3 MB). Peak memory consumption was 8.0 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 566]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 555]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 566]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 545]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 551]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 545]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 551]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 545]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 545]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 552]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 552]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 15 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 67 locations, 15 error locations. SAFE Result, 5.5s OverallTime, 19 OverallIterations, 4 TraceHistogramMax, 3.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 749 SDtfs, 981 SDslu, 2272 SDs, 0 SdLazy, 2031 SolverSat, 123 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 262 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 228 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 604 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=71occurred in iteration=16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 38/158 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 19 MinimizatonAttempts, 38 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 563 NumberOfCodeBlocks, 563 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 544 ConstructedInterpolants, 0 QuantifiedInterpolants, 195938 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 13 PerfectInterpolantSequences, 38/158 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrncmp-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-11_12-51-17-358.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrncmp-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-11_12-51-17-358.csv Received shutdown request...