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/openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-12 02:51:33,549 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-12 02:51:33,551 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-12 02:51:33,563 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-12 02:51:33,564 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-12 02:51:33,564 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-12 02:51:33,565 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-12 02:51:33,567 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-12 02:51:33,568 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-12 02:51:33,569 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-12 02:51:33,570 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-12 02:51:33,570 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-12 02:51:33,571 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-12 02:51:33,571 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-12 02:51:33,572 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-12 02:51:33,574 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-12 02:51:33,575 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-12 02:51:33,576 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-12 02:51:33,577 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-12 02:51:33,578 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-12 02:51:33,580 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-04-12 02:51:33,584 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-12 02:51:33,585 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-12 02:51:33,585 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 [2018-04-12 02:51:33,606 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-12 02:51:33,606 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-12 02:51:33,607 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-12 02:51:33,607 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-12 02:51:33,608 INFO L133 SettingsManager]: * Use SBE=true [2018-04-12 02:51:33,608 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-12 02:51:33,608 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-12 02:51:33,608 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-12 02:51:33,608 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-12 02:51:33,608 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-12 02:51:33,608 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-12 02:51:33,608 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-12 02:51:33,608 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-12 02:51:33,609 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-12 02:51:33,609 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-12 02:51:33,609 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-12 02:51:33,609 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-12 02:51:33,609 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-12 02:51:33,609 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-12 02:51:33,609 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-12 02:51:33,609 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-12 02:51:33,609 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 [2018-04-12 02:51:33,635 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-12 02:51:33,643 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-12 02:51:33,646 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-12 02:51:33,647 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-12 02:51:33,647 INFO L276 PluginConnector]: CDTParser initialized [2018-04-12 02:51:33,648 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:33,933 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGf750575d6 [2018-04-12 02:51:34,062 INFO L287 CDTParser]: IsIndexed: true [2018-04-12 02:51:34,062 INFO L288 CDTParser]: Found 1 translation units. [2018-04-12 02:51:34,063 INFO L168 CDTParser]: Scanning openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,073 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-12 02:51:34,073 INFO L215 ultiparseSymbolTable]: [2018-04-12 02:51:34,074 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-12 02:51:34,074 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp ('cstrncmp') in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,074 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_32 ('__bswap_32') in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,074 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,074 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_64 ('__bswap_64') in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,074 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-12 02:51:34,074 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____ino64_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,074 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__u_long in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,074 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____gid_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,075 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____fsid_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,075 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____pid_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,075 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____ino_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,075 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____quad_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,075 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____syscall_slong_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,075 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____loff_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,075 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__daddr_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,075 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_cond_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,075 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__int64_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,075 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____uint16_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,075 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__fsid_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,076 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____int16_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,076 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____WAIT_STATUS in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,076 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____blkcnt_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,076 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____clock_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,076 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____clockid_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,076 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____daddr_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,076 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____uint8_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,076 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____key_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,076 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__u_int16_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,076 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__blkcnt_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,076 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__u_char in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,077 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__quad_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,077 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____pthread_list_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,077 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_barrierattr_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,077 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__loff_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,077 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__wchar_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,077 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____useconds_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,077 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__u_quad_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,077 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__ushort in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,077 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____u_quad_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,077 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____int64_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,077 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_barrier_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,078 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____caddr_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,078 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__blksize_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,078 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_attr_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,078 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____qaddr_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,078 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____blksize_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,078 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__lldiv_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,078 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____dev_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,078 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__int16_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,078 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__uid_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,078 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____uint32_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,079 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_condattr_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,079 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____rlim64_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,079 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__div_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,079 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_once_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,079 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____u_long in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,079 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__ulong in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,079 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__mode_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,079 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____int8_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,079 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_spinlock_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,079 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__u_short in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,079 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____sigset_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,080 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__caddr_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,080 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__suseconds_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,080 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__fd_set in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,080 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__clock_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,080 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____u_short in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,080 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__gid_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,080 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__pid_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,080 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____intptr_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,080 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____mode_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,080 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____time_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,080 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____timer_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,080 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__int8_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,081 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_mutexattr_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,081 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____fsfilcnt_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,081 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____socklen_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,081 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____ssize_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,081 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__size_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,081 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____suseconds_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,081 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__register_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,081 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__time_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,081 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__off_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,081 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__u_int in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,081 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____fsfilcnt64_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,081 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_mutex_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,082 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____fsblkcnt64_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,082 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__u_int64_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,082 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____rlim_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,082 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__ino_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,082 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__ldiv_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,082 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_key_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,082 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____off64_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,082 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____fd_mask in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,082 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____u_char in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,082 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____fsblkcnt_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,082 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____sig_atomic_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,083 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__u_int32_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,083 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_rwlock_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,083 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____u_int in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,083 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__u_int8_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,083 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__id_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,083 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,083 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__dev_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,083 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__fsblkcnt_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,083 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____syscall_ulong_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,083 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____id_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,083 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____int32_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,084 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__clockid_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,084 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__sigset_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,084 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____nlink_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,084 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__timer_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,084 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__key_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,084 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__ssize_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,084 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__fd_mask in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,084 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____uint64_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,084 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__int32_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,084 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__uint in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,084 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__nlink_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,085 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__fsfilcnt_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,085 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____uid_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,085 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____off_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,085 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____blkcnt64_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,085 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____fsword_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,085 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,099 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGf750575d6 [2018-04-12 02:51:34,102 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-12 02:51:34,103 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-12 02:51:34,104 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-12 02:51:34,104 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-12 02:51:34,107 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-12 02:51:34,108 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 02:51:34" (1/1) ... [2018-04-12 02:51:34,109 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bd6297c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:51:34, skipping insertion in model container [2018-04-12 02:51:34,110 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 02:51:34" (1/1) ... [2018-04-12 02:51:34,120 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 02:51:34,141 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 02:51:34,257 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 02:51:34,295 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 02:51:34,301 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-12 02:51:34,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:51:34 WrapperNode [2018-04-12 02:51:34,329 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-12 02:51:34,329 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-12 02:51:34,329 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-12 02:51:34,330 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-12 02:51:34,339 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:51:34" (1/1) ... [2018-04-12 02:51:34,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:51:34" (1/1) ... [2018-04-12 02:51:34,350 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:51:34" (1/1) ... [2018-04-12 02:51:34,350 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:51:34" (1/1) ... [2018-04-12 02:51:34,358 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:51:34" (1/1) ... [2018-04-12 02:51:34,362 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:51:34" (1/1) ... [2018-04-12 02:51:34,365 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:51:34" (1/1) ... [2018-04-12 02:51:34,368 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-12 02:51:34,369 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-12 02:51:34,369 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-12 02:51:34,369 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-12 02:51:34,370 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:51:34" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-12 02:51:34,521 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-12 02:51:34,521 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-12 02:51:34,521 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-12 02:51:34,521 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-12 02:51:34,521 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp [2018-04-12 02:51:34,521 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-12 02:51:34,521 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-12 02:51:34,521 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-12 02:51:34,521 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-12 02:51:34,522 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-12 02:51:34,522 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-12 02:51:34,522 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-12 02:51:34,522 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-12 02:51:34,522 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-12 02:51:34,522 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-12 02:51:34,522 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-12 02:51:34,522 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-12 02:51:34,522 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-12 02:51:34,522 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-12 02:51:34,522 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-12 02:51:34,523 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-12 02:51:34,523 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-12 02:51:34,523 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-12 02:51:34,523 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-12 02:51:34,523 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-12 02:51:34,523 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-12 02:51:34,523 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-12 02:51:34,523 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-12 02:51:34,523 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-12 02:51:34,523 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-12 02:51:34,523 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-12 02:51:34,524 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-12 02:51:34,524 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-12 02:51:34,524 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-12 02:51:34,524 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-12 02:51:34,524 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-12 02:51:34,524 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-12 02:51:34,524 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-12 02:51:34,524 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-12 02:51:34,524 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-12 02:51:34,525 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-12 02:51:34,525 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-12 02:51:34,525 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-12 02:51:34,525 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-12 02:51:34,525 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-12 02:51:34,525 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-12 02:51:34,525 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-12 02:51:34,525 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-12 02:51:34,525 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-12 02:51:34,526 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-12 02:51:34,526 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-12 02:51:34,526 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-12 02:51:34,526 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-12 02:51:34,526 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-12 02:51:34,526 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-12 02:51:34,526 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-12 02:51:34,526 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-12 02:51:34,526 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-12 02:51:34,527 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-12 02:51:34,527 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-12 02:51:34,527 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-12 02:51:34,527 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-12 02:51:34,527 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-12 02:51:34,527 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-12 02:51:34,527 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-12 02:51:34,527 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-12 02:51:34,527 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-12 02:51:34,528 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-12 02:51:34,528 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-12 02:51:34,528 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-12 02:51:34,528 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-12 02:51:34,528 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-12 02:51:34,528 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-12 02:51:34,528 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-12 02:51:34,528 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-12 02:51:34,528 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-12 02:51:34,528 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-12 02:51:34,528 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-12 02:51:34,528 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-12 02:51:34,529 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-12 02:51:34,529 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-12 02:51:34,529 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-12 02:51:34,529 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-12 02:51:34,529 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-12 02:51:34,529 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-12 02:51:34,529 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-12 02:51:34,529 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-12 02:51:34,529 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-12 02:51:34,529 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-12 02:51:34,529 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-12 02:51:34,529 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-12 02:51:34,529 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-12 02:51:34,529 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-12 02:51:34,529 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-12 02:51:34,529 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-12 02:51:34,530 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-12 02:51:34,530 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-12 02:51:34,530 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-12 02:51:34,530 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-12 02:51:34,530 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-12 02:51:34,530 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-12 02:51:34,530 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-12 02:51:34,530 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-12 02:51:34,530 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-12 02:51:34,530 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-12 02:51:34,531 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-12 02:51:34,531 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-12 02:51:34,531 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-12 02:51:34,531 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-12 02:51:34,531 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp [2018-04-12 02:51:34,531 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-12 02:51:34,531 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-12 02:51:34,531 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-12 02:51:34,531 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-12 02:51:34,532 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-12 02:51:34,532 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-12 02:51:34,532 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-12 02:51:34,532 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-12 02:51:34,832 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-12 02:51:34,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 02:51:34 BoogieIcfgContainer [2018-04-12 02:51:34,833 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-12 02:51:34,833 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-12 02:51:34,833 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-12 02:51:34,835 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-12 02:51:34,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.04 02:51:34" (1/3) ... [2018-04-12 02:51:34,835 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46a8aec5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 02:51:34, skipping insertion in model container [2018-04-12 02:51:34,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:51:34" (2/3) ... [2018-04-12 02:51:34,836 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46a8aec5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 02:51:34, skipping insertion in model container [2018-04-12 02:51:34,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 02:51:34" (3/3) ... [2018-04-12 02:51:34,837 INFO L107 eAbstractionObserver]: Analyzing ICFG openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:34,842 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-04-12 02:51:34,851 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2018-04-12 02:51:34,875 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-12 02:51:34,876 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-12 02:51:34,876 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-12 02:51:34,876 INFO L371 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-04-12 02:51:34,876 INFO L372 AbstractCegarLoop]: Backedges is CANONICAL [2018-04-12 02:51:34,876 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-12 02:51:34,876 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-12 02:51:34,876 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-12 02:51:34,876 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-12 02:51:34,877 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-12 02:51:34,885 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states. [2018-04-12 02:51:34,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-12 02:51:34,893 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:34,893 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:51:34,893 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-12 02:51:34,896 INFO L82 PathProgramCache]: Analyzing trace with hash 1220202854, now seen corresponding path program 1 times [2018-04-12 02:51:34,929 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:34,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:34,969 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:35,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:35,037 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:51:35,037 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 02:51:35,038 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:35,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:35,038 INFO L182 omatonBuilderFactory]: Interpolants [64#(= 1 (select |#valid| main_~nondetString1~0.base)), 61#true, 62#false, 63#(= 1 (select |#valid| |main_#t~malloc13.base|))] [2018-04-12 02:51:35,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:35,039 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 02:51:35,047 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 02:51:35,047 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 02:51:35,048 INFO L87 Difference]: Start difference. First operand 58 states. Second operand 4 states. [2018-04-12 02:51:35,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:35,135 INFO L93 Difference]: Finished difference Result 57 states and 62 transitions. [2018-04-12 02:51:35,135 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-12 02:51:35,136 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-04-12 02:51:35,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:35,145 INFO L225 Difference]: With dead ends: 57 [2018-04-12 02:51:35,145 INFO L226 Difference]: Without dead ends: 54 [2018-04-12 02:51:35,146 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 [2018-04-12 02:51:35,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-04-12 02:51:35,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2018-04-12 02:51:35,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-04-12 02:51:35,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 59 transitions. [2018-04-12 02:51:35,169 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 59 transitions. Word has length 13 [2018-04-12 02:51:35,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:35,170 INFO L459 AbstractCegarLoop]: Abstraction has 54 states and 59 transitions. [2018-04-12 02:51:35,170 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 02:51:35,170 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 59 transitions. [2018-04-12 02:51:35,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-12 02:51:35,170 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:35,170 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:51:35,170 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-12 02:51:35,171 INFO L82 PathProgramCache]: Analyzing trace with hash 1220202855, now seen corresponding path program 1 times [2018-04-12 02:51:35,171 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:35,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:35,187 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:35,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:35,258 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:51:35,259 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 02:51:35,259 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:35,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:35,259 INFO L182 omatonBuilderFactory]: Interpolants [178#true, 179#false, 180#(<= 1 main_~length1~0), 181#(and (= main_~length1~0 (select |#length| |main_#t~malloc13.base|)) (= (select |#valid| |main_#t~malloc13.base|) 1) (<= 1 main_~length1~0) (= 0 |main_#t~malloc13.offset|)), 182#(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)), 183#(and (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (<= 1 main_~length1~0) (= main_~nondetString1~0.offset 0))] [2018-04-12 02:51:35,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:35,260 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 02:51:35,260 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 02:51:35,260 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-04-12 02:51:35,260 INFO L87 Difference]: Start difference. First operand 54 states and 59 transitions. Second operand 6 states. [2018-04-12 02:51:35,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:35,307 INFO L93 Difference]: Finished difference Result 53 states and 58 transitions. [2018-04-12 02:51:35,307 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 02:51:35,307 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2018-04-12 02:51:35,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:35,308 INFO L225 Difference]: With dead ends: 53 [2018-04-12 02:51:35,308 INFO L226 Difference]: Without dead ends: 53 [2018-04-12 02:51:35,308 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 [2018-04-12 02:51:35,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-04-12 02:51:35,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2018-04-12 02:51:35,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-04-12 02:51:35,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 58 transitions. [2018-04-12 02:51:35,311 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 58 transitions. Word has length 13 [2018-04-12 02:51:35,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:35,311 INFO L459 AbstractCegarLoop]: Abstraction has 53 states and 58 transitions. [2018-04-12 02:51:35,311 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 02:51:35,311 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 58 transitions. [2018-04-12 02:51:35,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-12 02:51:35,312 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:35,312 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:51:35,312 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-12 02:51:35,312 INFO L82 PathProgramCache]: Analyzing trace with hash -828417196, now seen corresponding path program 1 times [2018-04-12 02:51:35,313 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:35,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:35,320 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:35,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:35,336 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:51:35,336 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 02:51:35,336 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:35,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:35,337 INFO L182 omatonBuilderFactory]: Interpolants [292#true, 293#false, 294#(= 1 (select |#valid| |main_#t~malloc14.base|)), 295#(= 1 (select |#valid| main_~nondetString2~0.base))] [2018-04-12 02:51:35,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:35,337 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 02:51:35,337 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 02:51:35,337 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 02:51:35,338 INFO L87 Difference]: Start difference. First operand 53 states and 58 transitions. Second operand 4 states. [2018-04-12 02:51:35,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:35,387 INFO L93 Difference]: Finished difference Result 52 states and 57 transitions. [2018-04-12 02:51:35,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-12 02:51:35,389 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-04-12 02:51:35,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:35,390 INFO L225 Difference]: With dead ends: 52 [2018-04-12 02:51:35,390 INFO L226 Difference]: Without dead ends: 52 [2018-04-12 02:51:35,390 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 02:51:35,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-04-12 02:51:35,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-04-12 02:51:35,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-04-12 02:51:35,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 57 transitions. [2018-04-12 02:51:35,394 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 57 transitions. Word has length 14 [2018-04-12 02:51:35,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:35,395 INFO L459 AbstractCegarLoop]: Abstraction has 52 states and 57 transitions. [2018-04-12 02:51:35,395 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 02:51:35,395 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 57 transitions. [2018-04-12 02:51:35,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-12 02:51:35,395 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:35,395 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:51:35,396 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-12 02:51:35,396 INFO L82 PathProgramCache]: Analyzing trace with hash -828417195, now seen corresponding path program 1 times [2018-04-12 02:51:35,397 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:35,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:35,407 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:35,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:35,441 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:51:35,441 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 02:51:35,441 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:35,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:35,441 INFO L182 omatonBuilderFactory]: Interpolants [402#true, 403#false, 404#(<= 1 main_~length2~0), 405#(and (= 0 |main_#t~malloc14.offset|) (<= 1 main_~length2~0) (= main_~length2~0 (select |#length| |main_#t~malloc14.base|))), 406#(and (= main_~nondetString2~0.offset 0) (<= 1 main_~length2~0) (= main_~length2~0 (select |#length| main_~nondetString2~0.base)))] [2018-04-12 02:51:35,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:35,441 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 02:51:35,441 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 02:51:35,442 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 02:51:35,442 INFO L87 Difference]: Start difference. First operand 52 states and 57 transitions. Second operand 5 states. [2018-04-12 02:51:35,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:35,470 INFO L93 Difference]: Finished difference Result 51 states and 56 transitions. [2018-04-12 02:51:35,470 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 02:51:35,470 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-04-12 02:51:35,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:35,471 INFO L225 Difference]: With dead ends: 51 [2018-04-12 02:51:35,471 INFO L226 Difference]: Without dead ends: 51 [2018-04-12 02:51:35,471 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 [2018-04-12 02:51:35,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-04-12 02:51:35,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-04-12 02:51:35,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-04-12 02:51:35,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 56 transitions. [2018-04-12 02:51:35,475 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 56 transitions. Word has length 14 [2018-04-12 02:51:35,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:35,475 INFO L459 AbstractCegarLoop]: Abstraction has 51 states and 56 transitions. [2018-04-12 02:51:35,475 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 02:51:35,475 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 56 transitions. [2018-04-12 02:51:35,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-12 02:51:35,476 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:35,476 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:51:35,476 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-12 02:51:35,476 INFO L82 PathProgramCache]: Analyzing trace with hash 1277054647, now seen corresponding path program 1 times [2018-04-12 02:51:35,477 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:35,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:35,489 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:35,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:35,520 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:51:35,520 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 02:51:35,520 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:35,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:35,520 INFO L182 omatonBuilderFactory]: Interpolants [512#false, 513#(= 1 (select |#valid| main_~nondetString1~0.base)), 514#(= 1 (select |#valid| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s1.base|)), 515#(= 1 (select |#valid| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.base)), 511#true] [2018-04-12 02:51:35,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:35,520 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 02:51:35,520 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 02:51:35,521 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-12 02:51:35,521 INFO L87 Difference]: Start difference. First operand 51 states and 56 transitions. Second operand 5 states. [2018-04-12 02:51:35,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:35,558 INFO L93 Difference]: Finished difference Result 49 states and 54 transitions. [2018-04-12 02:51:35,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 02:51:35,559 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2018-04-12 02:51:35,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:35,560 INFO L225 Difference]: With dead ends: 49 [2018-04-12 02:51:35,560 INFO L226 Difference]: Without dead ends: 49 [2018-04-12 02:51:35,560 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 [2018-04-12 02:51:35,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-04-12 02:51:35,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-04-12 02:51:35,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-04-12 02:51:35,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 54 transitions. [2018-04-12 02:51:35,562 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 54 transitions. Word has length 20 [2018-04-12 02:51:35,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:35,563 INFO L459 AbstractCegarLoop]: Abstraction has 49 states and 54 transitions. [2018-04-12 02:51:35,563 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 02:51:35,563 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2018-04-12 02:51:35,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-12 02:51:35,563 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:35,563 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:51:35,563 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-12 02:51:35,563 INFO L82 PathProgramCache]: Analyzing trace with hash 1277054648, now seen corresponding path program 1 times [2018-04-12 02:51:35,564 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:35,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:35,579 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:35,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:35,644 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:51:35,644 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-12 02:51:35,644 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:35,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:35,644 INFO L182 omatonBuilderFactory]: Interpolants [616#true, 617#false, 618#(<= 1 main_~length1~0), 619#(and (<= 1 main_~length1~0) (= 0 |main_#t~malloc13.offset|)), 620#(and (<= 1 main_~length1~0) (= main_~nondetString1~0.offset 0)), 621#(and (<= (+ main_~nondetString1~0.offset 1) (select |#length| main_~nondetString1~0.base)) (= main_~nondetString1~0.offset 0)), 622#(and (= 0 |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s1.offset|) (<= 1 (select |#length| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s1.base|))), 623#(and (= __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset 0) (<= 1 (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.base)))] [2018-04-12 02:51:35,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:35,645 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-12 02:51:35,645 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-12 02:51:35,645 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-04-12 02:51:35,645 INFO L87 Difference]: Start difference. First operand 49 states and 54 transitions. Second operand 8 states. [2018-04-12 02:51:35,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:35,723 INFO L93 Difference]: Finished difference Result 64 states and 70 transitions. [2018-04-12 02:51:35,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-12 02:51:35,723 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 20 [2018-04-12 02:51:35,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:35,725 INFO L225 Difference]: With dead ends: 64 [2018-04-12 02:51:35,725 INFO L226 Difference]: Without dead ends: 64 [2018-04-12 02:51:35,725 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 [2018-04-12 02:51:35,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-04-12 02:51:35,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 55. [2018-04-12 02:51:35,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-04-12 02:51:35,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 63 transitions. [2018-04-12 02:51:35,728 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 63 transitions. Word has length 20 [2018-04-12 02:51:35,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:35,728 INFO L459 AbstractCegarLoop]: Abstraction has 55 states and 63 transitions. [2018-04-12 02:51:35,728 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-12 02:51:35,728 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 63 transitions. [2018-04-12 02:51:35,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-12 02:51:35,728 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:35,728 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] [2018-04-12 02:51:35,728 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-12 02:51:35,729 INFO L82 PathProgramCache]: Analyzing trace with hash -1111130312, now seen corresponding path program 1 times [2018-04-12 02:51:35,729 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:35,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:35,740 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:35,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:35,765 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:51:35,766 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 02:51:35,766 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:35,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:35,766 INFO L182 omatonBuilderFactory]: Interpolants [752#false, 753#(= 1 (select |#valid| main_~nondetString2~0.base)), 754#(= 1 (select |#valid| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s2.base|)), 755#(= 1 (select |#valid| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base)), 756#(= 1 (select |#valid| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post3.base|)), 751#true] [2018-04-12 02:51:35,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:35,767 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 02:51:35,767 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 02:51:35,767 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-12 02:51:35,767 INFO L87 Difference]: Start difference. First operand 55 states and 63 transitions. Second operand 6 states. [2018-04-12 02:51:35,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:35,833 INFO L93 Difference]: Finished difference Result 54 states and 61 transitions. [2018-04-12 02:51:35,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 02:51:35,833 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2018-04-12 02:51:35,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:35,834 INFO L225 Difference]: With dead ends: 54 [2018-04-12 02:51:35,834 INFO L226 Difference]: Without dead ends: 54 [2018-04-12 02:51:35,834 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-04-12 02:51:35,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-04-12 02:51:35,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2018-04-12 02:51:35,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-04-12 02:51:35,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 61 transitions. [2018-04-12 02:51:35,838 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 61 transitions. Word has length 22 [2018-04-12 02:51:35,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:35,838 INFO L459 AbstractCegarLoop]: Abstraction has 54 states and 61 transitions. [2018-04-12 02:51:35,838 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 02:51:35,838 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 61 transitions. [2018-04-12 02:51:35,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-12 02:51:35,839 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:35,839 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] [2018-04-12 02:51:35,839 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-12 02:51:35,839 INFO L82 PathProgramCache]: Analyzing trace with hash -1111130311, now seen corresponding path program 1 times [2018-04-12 02:51:35,840 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:35,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:35,850 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:35,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:35,913 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:51:35,913 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-12 02:51:35,913 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:35,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:35,913 INFO L182 omatonBuilderFactory]: Interpolants [869#true, 870#false, 871#(<= 1 main_~length2~0), 872#(and (= 0 |main_#t~malloc14.offset|) (<= 1 main_~length2~0) (= main_~length2~0 (select |#length| |main_#t~malloc14.base|))), 873#(and (= 0 main_~nondetString2~0.offset) (<= 1 main_~length2~0) (= main_~length2~0 (select |#length| main_~nondetString2~0.base))), 874#(and (= 0 main_~nondetString2~0.offset) (<= 1 (select |#length| main_~nondetString2~0.base))), 875#(and (<= 1 (select |#length| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s2.base|)) (= 0 |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s2.offset|)), 876#(and (= 0 __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset) (<= 1 (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base))), 877#(and (= |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post3.offset| 0) (<= 1 (select |#length| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post3.base|)))] [2018-04-12 02:51:35,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:35,913 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-12 02:51:35,913 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-12 02:51:35,913 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-04-12 02:51:35,914 INFO L87 Difference]: Start difference. First operand 54 states and 61 transitions. Second operand 9 states. [2018-04-12 02:51:35,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:35,991 INFO L93 Difference]: Finished difference Result 56 states and 62 transitions. [2018-04-12 02:51:35,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-12 02:51:35,991 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2018-04-12 02:51:35,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:35,992 INFO L225 Difference]: With dead ends: 56 [2018-04-12 02:51:35,992 INFO L226 Difference]: Without dead ends: 56 [2018-04-12 02:51:35,992 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2018-04-12 02:51:35,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-04-12 02:51:35,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 54. [2018-04-12 02:51:35,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-04-12 02:51:35,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 60 transitions. [2018-04-12 02:51:35,995 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 60 transitions. Word has length 22 [2018-04-12 02:51:35,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:35,996 INFO L459 AbstractCegarLoop]: Abstraction has 54 states and 60 transitions. [2018-04-12 02:51:35,996 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-12 02:51:35,996 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 60 transitions. [2018-04-12 02:51:35,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-12 02:51:35,996 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:35,996 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] [2018-04-12 02:51:35,996 INFO L408 AbstractCegarLoop]: === Iteration 9 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-12 02:51:35,997 INFO L82 PathProgramCache]: Analyzing trace with hash 1650627929, now seen corresponding path program 1 times [2018-04-12 02:51:35,997 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:36,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:36,007 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:36,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:36,047 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:51:36,047 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 02:51:36,047 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:36,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:36,047 INFO L182 omatonBuilderFactory]: Interpolants [994#true, 995#false, 996#(= 1 (select |#valid| main_~nondetString1~0.base)), 997#(= 1 (select |#valid| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s1.base|)), 998#(= 1 (select |#valid| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.base)), 999#(= 1 (select |#valid| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post9.base|))] [2018-04-12 02:51:36,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:36,048 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 02:51:36,048 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 02:51:36,048 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-12 02:51:36,048 INFO L87 Difference]: Start difference. First operand 54 states and 60 transitions. Second operand 6 states. [2018-04-12 02:51:36,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:36,147 INFO L93 Difference]: Finished difference Result 53 states and 59 transitions. [2018-04-12 02:51:36,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 02:51:36,147 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2018-04-12 02:51:36,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:36,148 INFO L225 Difference]: With dead ends: 53 [2018-04-12 02:51:36,148 INFO L226 Difference]: Without dead ends: 53 [2018-04-12 02:51:36,149 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-04-12 02:51:36,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-04-12 02:51:36,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2018-04-12 02:51:36,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-04-12 02:51:36,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 59 transitions. [2018-04-12 02:51:36,151 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 59 transitions. Word has length 24 [2018-04-12 02:51:36,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:36,151 INFO L459 AbstractCegarLoop]: Abstraction has 53 states and 59 transitions. [2018-04-12 02:51:36,151 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 02:51:36,152 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 59 transitions. [2018-04-12 02:51:36,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-12 02:51:36,154 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:36,154 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] [2018-04-12 02:51:36,154 INFO L408 AbstractCegarLoop]: === Iteration 10 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-12 02:51:36,155 INFO L82 PathProgramCache]: Analyzing trace with hash 1650627930, now seen corresponding path program 1 times [2018-04-12 02:51:36,155 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:36,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:36,171 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:36,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:36,243 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:51:36,243 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-12 02:51:36,243 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:36,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:36,244 INFO L182 omatonBuilderFactory]: Interpolants [1110#true, 1111#false, 1112#(= 0 |main_#t~malloc13.offset|), 1113#(= 0 main_~nondetString1~0.offset), 1114#(= 0 |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s1.offset|), 1115#(= __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset 0), 1116#(and (= __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset 0) (<= (+ __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.base))), 1117#(and (<= 0 |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post9.offset|) (<= (+ |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post9.offset| 1) (select |#length| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post9.base|)))] [2018-04-12 02:51:36,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:36,244 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-12 02:51:36,245 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-12 02:51:36,245 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-04-12 02:51:36,245 INFO L87 Difference]: Start difference. First operand 53 states and 59 transitions. Second operand 8 states. [2018-04-12 02:51:36,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:36,304 INFO L93 Difference]: Finished difference Result 63 states and 69 transitions. [2018-04-12 02:51:36,305 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-12 02:51:36,305 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 24 [2018-04-12 02:51:36,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:36,305 INFO L225 Difference]: With dead ends: 63 [2018-04-12 02:51:36,305 INFO L226 Difference]: Without dead ends: 63 [2018-04-12 02:51:36,306 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2018-04-12 02:51:36,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-04-12 02:51:36,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 54. [2018-04-12 02:51:36,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-04-12 02:51:36,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 60 transitions. [2018-04-12 02:51:36,309 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 60 transitions. Word has length 24 [2018-04-12 02:51:36,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:36,309 INFO L459 AbstractCegarLoop]: Abstraction has 54 states and 60 transitions. [2018-04-12 02:51:36,309 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-12 02:51:36,309 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 60 transitions. [2018-04-12 02:51:36,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-04-12 02:51:36,310 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:36,310 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] [2018-04-12 02:51:36,310 INFO L408 AbstractCegarLoop]: === Iteration 11 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-12 02:51:36,310 INFO L82 PathProgramCache]: Analyzing trace with hash -1106403713, now seen corresponding path program 1 times [2018-04-12 02:51:36,311 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:36,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:36,318 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:36,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:36,414 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:51:36,414 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 02:51:36,414 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:36,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:36,414 INFO L182 omatonBuilderFactory]: Interpolants [1248#(= (store |#valid| |main_#t~malloc14.base| 0) |old(#valid)|), 1243#true, 1244#false, 1245#(= |#valid| |old(#valid)|), 1246#(and (= (select |#valid| |main_#t~malloc13.base|) 1) (= |old(#valid)| (store |#valid| |main_#t~malloc13.base| 0))), 1247#(and (= (store (store |#valid| |main_#t~malloc13.base| 0) |main_#t~malloc14.base| 0) |old(#valid)|) (not (= |main_#t~malloc13.base| |main_#t~malloc14.base|)))] [2018-04-12 02:51:36,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:36,415 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 02:51:36,415 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 02:51:36,415 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-12 02:51:36,415 INFO L87 Difference]: Start difference. First operand 54 states and 60 transitions. Second operand 6 states. [2018-04-12 02:51:36,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:36,524 INFO L93 Difference]: Finished difference Result 53 states and 59 transitions. [2018-04-12 02:51:36,524 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-12 02:51:36,524 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2018-04-12 02:51:36,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:36,525 INFO L225 Difference]: With dead ends: 53 [2018-04-12 02:51:36,525 INFO L226 Difference]: Without dead ends: 43 [2018-04-12 02:51:36,525 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 [2018-04-12 02:51:36,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-04-12 02:51:36,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-04-12 02:51:36,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-04-12 02:51:36,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 46 transitions. [2018-04-12 02:51:36,528 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 46 transitions. Word has length 26 [2018-04-12 02:51:36,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:36,528 INFO L459 AbstractCegarLoop]: Abstraction has 43 states and 46 transitions. [2018-04-12 02:51:36,528 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 02:51:36,528 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 46 transitions. [2018-04-12 02:51:36,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-04-12 02:51:36,529 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:36,529 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] [2018-04-12 02:51:36,529 INFO L408 AbstractCegarLoop]: === Iteration 12 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-12 02:51:36,529 INFO L82 PathProgramCache]: Analyzing trace with hash 1410231674, now seen corresponding path program 1 times [2018-04-12 02:51:36,530 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:36,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:36,538 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:36,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:36,571 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:51:36,571 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 02:51:36,571 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:36,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:36,571 INFO L182 omatonBuilderFactory]: Interpolants [1349#true, 1350#false, 1351#(= 1 (select |#valid| main_~nondetString2~0.base)), 1352#(= 1 (select |#valid| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s2.base|)), 1353#(= 1 (select |#valid| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base)), 1354#(= 1 (select |#valid| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~pre6.base|))] [2018-04-12 02:51:36,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:36,571 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 02:51:36,572 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 02:51:36,572 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-12 02:51:36,572 INFO L87 Difference]: Start difference. First operand 43 states and 46 transitions. Second operand 6 states. [2018-04-12 02:51:36,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:36,617 INFO L93 Difference]: Finished difference Result 42 states and 45 transitions. [2018-04-12 02:51:36,617 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 02:51:36,617 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2018-04-12 02:51:36,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:36,618 INFO L225 Difference]: With dead ends: 42 [2018-04-12 02:51:36,618 INFO L226 Difference]: Without dead ends: 42 [2018-04-12 02:51:36,618 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-04-12 02:51:36,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-04-12 02:51:36,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-04-12 02:51:36,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-04-12 02:51:36,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 45 transitions. [2018-04-12 02:51:36,620 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 45 transitions. Word has length 26 [2018-04-12 02:51:36,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:36,621 INFO L459 AbstractCegarLoop]: Abstraction has 42 states and 45 transitions. [2018-04-12 02:51:36,621 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 02:51:36,621 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 45 transitions. [2018-04-12 02:51:36,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-04-12 02:51:36,621 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:36,621 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] [2018-04-12 02:51:36,622 INFO L408 AbstractCegarLoop]: === Iteration 13 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-12 02:51:36,622 INFO L82 PathProgramCache]: Analyzing trace with hash 1410231675, now seen corresponding path program 1 times [2018-04-12 02:51:36,622 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:36,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:36,633 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:36,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:36,690 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:51:36,690 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-12 02:51:36,690 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:36,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:36,690 INFO L182 omatonBuilderFactory]: Interpolants [1443#true, 1444#false, 1445#(= 0 |main_#t~malloc14.offset|), 1446#(= 0 main_~nondetString2~0.offset), 1447#(= 0 |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s2.offset|), 1448#(= 0 __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset), 1449#(and (<= __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset (+ |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post3.offset| 1)) (= |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post3.base| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base) (<= (+ |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post3.offset| 1) __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset) (= |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post3.offset| 0)), 1450#(and (<= 1 __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset) (<= __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base))), 1451#(and (<= (+ |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~pre6.offset| 1) (select |#length| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~pre6.base|)) (<= 0 |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~pre6.offset|))] [2018-04-12 02:51:36,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:36,690 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-12 02:51:36,691 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-12 02:51:36,691 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-04-12 02:51:36,691 INFO L87 Difference]: Start difference. First operand 42 states and 45 transitions. Second operand 9 states. [2018-04-12 02:51:36,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:36,774 INFO L93 Difference]: Finished difference Result 51 states and 53 transitions. [2018-04-12 02:51:36,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-12 02:51:36,774 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 26 [2018-04-12 02:51:36,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:36,775 INFO L225 Difference]: With dead ends: 51 [2018-04-12 02:51:36,775 INFO L226 Difference]: Without dead ends: 48 [2018-04-12 02:51:36,775 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2018-04-12 02:51:36,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-04-12 02:51:36,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 41. [2018-04-12 02:51:36,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-04-12 02:51:36,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 43 transitions. [2018-04-12 02:51:36,776 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 43 transitions. Word has length 26 [2018-04-12 02:51:36,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:36,776 INFO L459 AbstractCegarLoop]: Abstraction has 41 states and 43 transitions. [2018-04-12 02:51:36,776 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-12 02:51:36,776 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 43 transitions. [2018-04-12 02:51:36,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-04-12 02:51:36,777 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:36,777 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:51:36,777 INFO L408 AbstractCegarLoop]: === Iteration 14 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-12 02:51:36,777 INFO L82 PathProgramCache]: Analyzing trace with hash -1490559017, now seen corresponding path program 1 times [2018-04-12 02:51:36,777 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:36,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:36,789 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:36,941 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:36,941 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:51:36,941 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-04-12 02:51:36,941 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:36,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:36,941 INFO L182 omatonBuilderFactory]: Interpolants [1556#true, 1557#false, 1558#(and (<= 1 main_~length1~0) (<= main_~length1~0 1)), 1559#(and (= main_~length1~0 (select |#length| |main_#t~malloc13.base|)) (= (select |#valid| |main_#t~malloc13.base|) 1) (<= 1 main_~length1~0) (<= main_~length1~0 1) (= 0 |main_#t~malloc13.offset|)), 1560#(and (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (= (select |#valid| main_~nondetString1~0.base) 1) (<= 1 main_~length1~0) (<= main_~length1~0 1) (= main_~nondetString1~0.offset 0)), 1561#(and (not (= main_~nondetString1~0.base |main_#t~malloc14.base|)) (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (<= 1 main_~length1~0) (<= main_~length1~0 1) (= main_~nondetString1~0.offset 0)), 1562#(and (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (<= 1 main_~length1~0) (not (= main_~nondetString1~0.base main_~nondetString2~0.base)) (<= main_~length1~0 1) (= main_~nondetString1~0.offset 0)), 1563#(and (<= (select |#length| main_~nondetString1~0.base) 1) (not (= main_~nondetString1~0.base main_~nondetString2~0.base)) (= 0 (select (select |#memory_int| main_~nondetString1~0.base) 0)) (= main_~nondetString1~0.offset 0)), 1564#(and (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s1.base|) 0)) (<= (select |#length| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s1.base|) 1)), 1565#(and (<= (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.base) 1) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.base) 0))), 1566#(and (or (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post9.base|) |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post9.offset|)) (not (= 0 |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post9.offset|))) (or (<= |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post9.offset| 0) (<= (select |#length| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post9.base|) 1))), 1567#(= |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~mem10| 0)] [2018-04-12 02:51:36,942 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:36,942 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-12 02:51:36,942 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-12 02:51:36,942 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2018-04-12 02:51:36,942 INFO L87 Difference]: Start difference. First operand 41 states and 43 transitions. Second operand 12 states. [2018-04-12 02:51:37,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:37,128 INFO L93 Difference]: Finished difference Result 59 states and 61 transitions. [2018-04-12 02:51:37,128 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-12 02:51:37,128 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 29 [2018-04-12 02:51:37,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:37,128 INFO L225 Difference]: With dead ends: 59 [2018-04-12 02:51:37,128 INFO L226 Difference]: Without dead ends: 41 [2018-04-12 02:51:37,129 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 [2018-04-12 02:51:37,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-04-12 02:51:37,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-04-12 02:51:37,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-04-12 02:51:37,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 42 transitions. [2018-04-12 02:51:37,130 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 42 transitions. Word has length 29 [2018-04-12 02:51:37,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:37,130 INFO L459 AbstractCegarLoop]: Abstraction has 41 states and 42 transitions. [2018-04-12 02:51:37,130 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-12 02:51:37,130 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions. [2018-04-12 02:51:37,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-04-12 02:51:37,131 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:37,131 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:51:37,131 INFO L408 AbstractCegarLoop]: === Iteration 15 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-12 02:51:37,131 INFO L82 PathProgramCache]: Analyzing trace with hash 998969945, now seen corresponding path program 1 times [2018-04-12 02:51:37,131 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:37,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:37,146 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:37,346 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:37,346 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 02:51:37,346 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-04-12 02:51:37,346 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:37,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:37,347 INFO L182 omatonBuilderFactory]: Interpolants [1682#true, 1683#false, 1684#(<= 1 main_~length1~0), 1685#(and (= (select |#valid| |main_#t~malloc13.base|) 1) (<= 1 main_~length1~0) (= 0 |main_#t~malloc13.offset|)), 1686#(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)), 1687#(and (<= 1 main_~length1~0) (or (not (= (+ main_~nondetString1~0.offset main_~length1~0) 1)) (not (= main_~nondetString1~0.base |main_#t~malloc14.base|))) (= main_~nondetString1~0.offset 0)), 1688#(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)), 1689#(and (= 0 main_~nondetString1~0.offset) (or (and (not (= main_~nondetString1~0.base main_~nondetString2~0.base)) (= 0 (select (select |#memory_int| main_~nondetString1~0.base) 0))) (<= 2 (select |#length| main_~nondetString1~0.base)))), 1690#(and (= 0 |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s1.offset|) (or (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s1.base|) 0)) (<= 2 (select |#length| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s1.base|)))), 1691#(and (= __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset 0) (or (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.base) 0)) (<= 2 (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.base)))), 1692#(and (<= (+ |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post9.offset| 1) __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset) (or (<= (+ __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.base)) (and (<= |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post9.offset| 0) (or (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post9.base|) |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post9.offset|)) (not (= 0 |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post9.offset|)))))), 1693#(and (or (= |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~mem10| 0) (<= (+ __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.base))) (<= 1 __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset)), 1694#(and (<= (+ __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.base)) (<= 1 __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset))] [2018-04-12 02:51:37,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:37,347 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-12 02:51:37,347 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-12 02:51:37,347 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2018-04-12 02:51:37,347 INFO L87 Difference]: Start difference. First operand 41 states and 42 transitions. Second operand 13 states. [2018-04-12 02:51:37,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:37,582 INFO L93 Difference]: Finished difference Result 54 states and 55 transitions. [2018-04-12 02:51:37,582 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-12 02:51:37,582 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 29 [2018-04-12 02:51:37,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:37,583 INFO L225 Difference]: With dead ends: 54 [2018-04-12 02:51:37,583 INFO L226 Difference]: Without dead ends: 54 [2018-04-12 02:51:37,583 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=79, Invalid=341, Unknown=0, NotChecked=0, Total=420 [2018-04-12 02:51:37,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-04-12 02:51:37,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 50. [2018-04-12 02:51:37,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-04-12 02:51:37,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 53 transitions. [2018-04-12 02:51:37,584 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 53 transitions. Word has length 29 [2018-04-12 02:51:37,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:37,584 INFO L459 AbstractCegarLoop]: Abstraction has 50 states and 53 transitions. [2018-04-12 02:51:37,584 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-12 02:51:37,584 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 53 transitions. [2018-04-12 02:51:37,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-04-12 02:51:37,585 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:37,585 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] [2018-04-12 02:51:37,585 INFO L408 AbstractCegarLoop]: === Iteration 16 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-12 02:51:37,585 INFO L82 PathProgramCache]: Analyzing trace with hash -2062557542, now seen corresponding path program 1 times [2018-04-12 02:51:37,585 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:37,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:37,597 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:37,751 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:37,752 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:51:37,752 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-04-12 02:51:37,752 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:37,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:37,752 INFO L182 omatonBuilderFactory]: Interpolants [1824#(and (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base) __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset)) (= __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset 0)), 1825#(and (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base) __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset)) (= __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset 0) (= |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~mem4| (select (select |#memory_int| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.base) __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset))), 1826#(and (= __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset 0) (= |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~mem4| (select (select |#memory_int| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.base) __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset)) (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post3.base|) |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post3.offset|))), 1827#(and (= 0 |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~mem5|) (= __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset 0) (= |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~mem4| (select (select |#memory_int| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.base) __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset))), 1828#(and (<= |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post9.offset| 0) (or (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post9.base|) |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post9.offset|)) (not (= 0 |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post9.offset|)))), 1829#(= |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~mem10| 0), 1815#true, 1816#false, 1817#(and (<= main_~length2~0 1) (<= 1 main_~length2~0)), 1818#(and (<= main_~length2~0 1) (<= 1 main_~length2~0) (= 0 |main_#t~malloc13.offset|)), 1819#(and (<= main_~length2~0 1) (<= 1 main_~length2~0) (= main_~nondetString1~0.offset 0)), 1820#(and (<= main_~length2~0 1) (= 0 |main_#t~malloc14.offset|) (<= 1 main_~length2~0) (= main_~nondetString1~0.offset 0)), 1821#(and (= main_~nondetString2~0.offset 0) (<= 1 main_~length2~0) (<= (+ main_~nondetString2~0.offset main_~length2~0) 1) (= main_~nondetString1~0.offset 0)), 1822#(and (= main_~nondetString2~0.offset 0) (= 0 (select (select |#memory_int| main_~nondetString2~0.base) main_~nondetString2~0.offset)) (= main_~nondetString1~0.offset 0)), 1823#(and (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s2.base|) |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s2.offset|)) (= |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s1.offset| 0))] [2018-04-12 02:51:37,752 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:37,752 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-12 02:51:37,752 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-12 02:51:37,753 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2018-04-12 02:51:37,753 INFO L87 Difference]: Start difference. First operand 50 states and 53 transitions. Second operand 15 states. [2018-04-12 02:51:37,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:37,916 INFO L93 Difference]: Finished difference Result 67 states and 69 transitions. [2018-04-12 02:51:37,916 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-12 02:51:37,916 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 31 [2018-04-12 02:51:37,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:37,916 INFO L225 Difference]: With dead ends: 67 [2018-04-12 02:51:37,916 INFO L226 Difference]: Without dead ends: 50 [2018-04-12 02:51:37,917 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=504, Unknown=0, NotChecked=0, Total=600 [2018-04-12 02:51:37,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-04-12 02:51:37,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-04-12 02:51:37,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-04-12 02:51:37,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 52 transitions. [2018-04-12 02:51:37,918 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 52 transitions. Word has length 31 [2018-04-12 02:51:37,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:37,918 INFO L459 AbstractCegarLoop]: Abstraction has 50 states and 52 transitions. [2018-04-12 02:51:37,918 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-12 02:51:37,918 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 52 transitions. [2018-04-12 02:51:37,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-04-12 02:51:37,919 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:37,919 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] [2018-04-12 02:51:37,919 INFO L408 AbstractCegarLoop]: === Iteration 17 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-12 02:51:37,919 INFO L82 PathProgramCache]: Analyzing trace with hash 2098396248, now seen corresponding path program 1 times [2018-04-12 02:51:37,919 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:37,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:37,936 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:38,178 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:38,178 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 02:51:38,178 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-04-12 02:51:38,178 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:38,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:38,179 INFO L182 omatonBuilderFactory]: Interpolants [1967#true, 1968#false, 1969#(<= 1 main_~length2~0), 1970#(and (<= 1 main_~length2~0) (= 0 |main_#t~malloc13.offset|)), 1971#(and (<= 1 main_~length2~0) (= main_~nondetString1~0.offset 0)), 1972#(and (= 0 |main_#t~malloc14.offset|) (<= 1 main_~length2~0) (= main_~nondetString1~0.offset 0)), 1973#(and (= 0 main_~nondetString2~0.offset) (<= 1 main_~length2~0) (or (not (= (+ main_~nondetString2~0.offset main_~length2~0) 1)) (= main_~nondetString1~0.offset 0))), 1974#(and (= 0 main_~nondetString2~0.offset) (or (<= 2 (select |#length| main_~nondetString2~0.base)) (and (= 0 (select (select |#memory_int| main_~nondetString2~0.base) main_~nondetString2~0.offset)) (= main_~nondetString1~0.offset 0)))), 1975#(and (or (<= 2 (select |#length| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s2.base|)) (and (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s2.base|) |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s2.offset|)) (= |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s1.offset| 0))) (= 0 |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s2.offset|)), 1976#(and (= 0 __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset) (or (and (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base) __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset)) (= __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset 0)) (<= 2 (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base)))), 1977#(and (or (and (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base) __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset)) (= __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset 0) (= |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~mem4| (select (select |#memory_int| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.base) __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset))) (<= 2 (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base))) (= 0 __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset)), 1978#(and (= |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post3.base| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base) (<= (+ |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post3.offset| 1) __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset) (= |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post3.offset| 0) (or (<= (+ __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset 1) (+ |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post3.offset| (select |#length| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post3.base|))) (and (= __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset 0) (= |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~mem4| (select (select |#memory_int| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.base) __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset)) (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post3.base|) |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post3.offset|))))), 1979#(and (<= 1 __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset) (or (<= (+ __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base)) (and (= 0 |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~mem5|) (= __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset 0) (= |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~mem4| (select (select |#memory_int| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.base) __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset))))), 1980#(and (<= 1 __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset) (or (<= (+ __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base)) (and (<= |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post9.offset| 0) (or (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post9.base|) |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post9.offset|)) (not (= 0 |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post9.offset|)))))), 1981#(and (<= 1 __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset) (or (= |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~mem10| 0) (<= (+ __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base)))), 1982#(and (<= 1 __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset) (<= (+ __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base))), 1983#(and (<= 1 |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post3.offset|) (<= (+ |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post3.offset| 1) (select |#length| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post3.base|)))] [2018-04-12 02:51:38,179 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:38,179 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-12 02:51:38,179 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-12 02:51:38,179 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2018-04-12 02:51:38,179 INFO L87 Difference]: Start difference. First operand 50 states and 52 transitions. Second operand 17 states. [2018-04-12 02:51:38,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:38,573 INFO L93 Difference]: Finished difference Result 50 states and 51 transitions. [2018-04-12 02:51:38,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-12 02:51:38,574 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 31 [2018-04-12 02:51:38,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:38,574 INFO L225 Difference]: With dead ends: 50 [2018-04-12 02:51:38,574 INFO L226 Difference]: Without dead ends: 50 [2018-04-12 02:51:38,575 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=115, Invalid=697, Unknown=0, NotChecked=0, Total=812 [2018-04-12 02:51:38,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-04-12 02:51:38,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-04-12 02:51:38,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-04-12 02:51:38,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 51 transitions. [2018-04-12 02:51:38,577 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 51 transitions. Word has length 31 [2018-04-12 02:51:38,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:38,577 INFO L459 AbstractCegarLoop]: Abstraction has 50 states and 51 transitions. [2018-04-12 02:51:38,577 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-12 02:51:38,577 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 51 transitions. [2018-04-12 02:51:38,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-04-12 02:51:38,577 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:38,577 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:51:38,578 INFO L408 AbstractCegarLoop]: === Iteration 18 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-12 02:51:38,578 INFO L82 PathProgramCache]: Analyzing trace with hash -2075834695, now seen corresponding path program 1 times [2018-04-12 02:51:38,578 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:38,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:38,586 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:38,621 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:38,622 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 02:51:38,622 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-04-12 02:51:38,622 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:38,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:38,622 INFO L182 omatonBuilderFactory]: Interpolants [2112#(and (<= (+ __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.base)) (<= 1 __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset)), 2113#(and (<= (+ |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post9.offset| 1) (select |#length| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post9.base|)) (<= 1 |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post9.offset|)), 2108#true, 2109#false, 2110#(<= (+ |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post9.offset| 1) __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset), 2111#(<= 1 __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset)] [2018-04-12 02:51:38,622 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:38,623 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 02:51:38,623 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 02:51:38,623 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-04-12 02:51:38,623 INFO L87 Difference]: Start difference. First operand 50 states and 51 transitions. Second operand 6 states. [2018-04-12 02:51:38,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:38,675 INFO L93 Difference]: Finished difference Result 48 states and 49 transitions. [2018-04-12 02:51:38,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-12 02:51:38,676 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2018-04-12 02:51:38,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:38,676 INFO L225 Difference]: With dead ends: 48 [2018-04-12 02:51:38,676 INFO L226 Difference]: Without dead ends: 48 [2018-04-12 02:51:38,677 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-04-12 02:51:38,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-04-12 02:51:38,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 46. [2018-04-12 02:51:38,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-04-12 02:51:38,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 46 transitions. [2018-04-12 02:51:38,679 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 46 transitions. Word has length 33 [2018-04-12 02:51:38,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:38,679 INFO L459 AbstractCegarLoop]: Abstraction has 46 states and 46 transitions. [2018-04-12 02:51:38,679 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 02:51:38,679 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 46 transitions. [2018-04-12 02:51:38,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-04-12 02:51:38,680 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:38,680 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:51:38,680 INFO L408 AbstractCegarLoop]: === Iteration 19 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-12 02:51:38,680 INFO L82 PathProgramCache]: Analyzing trace with hash -2012593382, now seen corresponding path program 1 times [2018-04-12 02:51:38,681 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:38,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:38,690 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:38,774 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:38,774 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 02:51:38,774 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2018-04-12 02:51:38,775 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:38,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:38,775 INFO L182 omatonBuilderFactory]: Interpolants [2212#true, 2213#false, 2214#(= 0 |main_#t~malloc14.offset|), 2215#(= 0 main_~nondetString2~0.offset), 2216#(= 0 |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s2.offset|), 2217#(= 0 __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset), 2218#(and (= |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post3.base| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base) (<= (+ |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post3.offset| 1) __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset) (= |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post3.offset| 0)), 2219#(<= 1 __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset), 2220#(and (<= 2 __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset) (<= (+ __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset (select |#length| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post3.base|)) (+ |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post3.offset| (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base) 1))), 2221#(and (<= 2 __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset) (<= __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base))), 2222#(and (<= (+ |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~pre6.offset| 1) (select |#length| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~pre6.base|)) (<= 1 |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~pre6.offset|))] [2018-04-12 02:51:38,775 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:38,775 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-12 02:51:38,776 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-12 02:51:38,776 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-04-12 02:51:38,776 INFO L87 Difference]: Start difference. First operand 46 states and 46 transitions. Second operand 11 states. [2018-04-12 02:51:38,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:38,909 INFO L93 Difference]: Finished difference Result 45 states and 45 transitions. [2018-04-12 02:51:38,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-12 02:51:38,920 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 35 [2018-04-12 02:51:38,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:38,921 INFO L225 Difference]: With dead ends: 45 [2018-04-12 02:51:38,921 INFO L226 Difference]: Without dead ends: 42 [2018-04-12 02:51:38,921 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=275, Unknown=0, NotChecked=0, Total=342 [2018-04-12 02:51:38,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-04-12 02:51:38,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-04-12 02:51:38,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-04-12 02:51:38,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 42 transitions. [2018-04-12 02:51:38,923 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 42 transitions. Word has length 35 [2018-04-12 02:51:38,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:38,923 INFO L459 AbstractCegarLoop]: Abstraction has 42 states and 42 transitions. [2018-04-12 02:51:38,924 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-12 02:51:38,924 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 42 transitions. [2018-04-12 02:51:38,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-04-12 02:51:38,924 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:38,924 INFO L355 BasicCegarLoop]: trace histogram [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] [2018-04-12 02:51:38,924 INFO L408 AbstractCegarLoop]: === Iteration 20 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-12 02:51:38,925 INFO L82 PathProgramCache]: Analyzing trace with hash 241709528, now seen corresponding path program 1 times [2018-04-12 02:51:38,925 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:38,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:38,952 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:39,208 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:39,208 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 02:51:39,208 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-04-12 02:51:39,208 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:39,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:39,209 INFO L182 omatonBuilderFactory]: Interpolants [2336#(or (and (<= __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset 1) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.base) 1)) (<= 1 __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset)) (<= (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.base) __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset) (<= (+ __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset 2) (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.base))), 2337#(or (and (<= __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset 1) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.base) 1)) (<= 1 __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset)) (<= (+ __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset 2) (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.base))), 2338#(or (and (= 1 |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post9.offset|) (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post9.base|) |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post9.offset|))) (and (<= (+ __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.base)) (<= (+ |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post9.offset| 1) __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset))), 2339#(or (= |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~mem10| 0) (and (<= (+ __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.base)) (<= 1 __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset))), 2340#(and (<= (+ __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.base)) (<= 1 __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset)), 2326#true, 2327#false, 2328#(and (= main_~length1~0 (select |#length| |main_#t~malloc13.base|)) (= (select |#valid| |main_#t~malloc13.base|) 1) (= 0 |main_#t~malloc13.offset|)), 2329#(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))), 2330#(and (= 0 main_~nondetString1~0.offset) (not (= main_~nondetString1~0.base |main_#t~malloc14.base|)) (or (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (= (+ main_~nondetString1~0.offset main_~length1~0) 2))), 2331#(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))), 2332#(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))), 2333#(and (= 0 |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s1.offset|) (or (<= 3 (select |#length| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s1.base|)) (<= (select |#length| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s1.base|) 1) (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s1.base|) 1)))), 2334#(and (= __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset 0) (or (<= (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.base) 1) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.base) 1)) (<= 3 (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.base)))), 2335#(or (and (<= __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset 1) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.base) 1)) (<= (+ |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post9.offset| 1) __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset)) (<= (+ |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post9.offset| (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.base)) __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset) (<= (+ __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset 2) (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.base)))] [2018-04-12 02:51:39,209 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:39,209 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-12 02:51:39,209 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-12 02:51:39,209 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2018-04-12 02:51:39,209 INFO L87 Difference]: Start difference. First operand 42 states and 42 transitions. Second operand 15 states. [2018-04-12 02:51:39,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:39,524 INFO L93 Difference]: Finished difference Result 53 states and 53 transitions. [2018-04-12 02:51:39,524 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-12 02:51:39,525 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 38 [2018-04-12 02:51:39,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:39,525 INFO L225 Difference]: With dead ends: 53 [2018-04-12 02:51:39,525 INFO L226 Difference]: Without dead ends: 53 [2018-04-12 02:51:39,525 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=92, Invalid=558, Unknown=0, NotChecked=0, Total=650 [2018-04-12 02:51:39,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-04-12 02:51:39,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 49. [2018-04-12 02:51:39,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-04-12 02:51:39,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 49 transitions. [2018-04-12 02:51:39,528 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 49 transitions. Word has length 38 [2018-04-12 02:51:39,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:39,528 INFO L459 AbstractCegarLoop]: Abstraction has 49 states and 49 transitions. [2018-04-12 02:51:39,528 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-12 02:51:39,528 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 49 transitions. [2018-04-12 02:51:39,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-04-12 02:51:39,529 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:39,529 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:51:39,529 INFO L408 AbstractCegarLoop]: === Iteration 21 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-12 02:51:39,529 INFO L82 PathProgramCache]: Analyzing trace with hash 354622041, now seen corresponding path program 2 times [2018-04-12 02:51:39,530 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:39,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:39,545 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:40,046 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:40,046 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 02:51:40,047 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-04-12 02:51:40,047 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:40,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:40,047 INFO L182 omatonBuilderFactory]: Interpolants [2465#true, 2466#false, 2467#(= 0 |main_#t~malloc13.offset|), 2468#(= 0 main_~nondetString1~0.offset), 2469#(and (= 0 main_~nondetString1~0.offset) (= 0 |main_#t~malloc14.offset|) (= main_~length2~0 (select |#length| |main_#t~malloc14.base|))), 2470#(and (= 0 main_~nondetString2~0.offset) (= 0 main_~nondetString1~0.offset) (or (= (+ main_~nondetString2~0.offset main_~length2~0) 2) (= main_~length2~0 (select |#length| main_~nondetString2~0.base)))), 2471#(and (= 0 main_~nondetString2~0.offset) (= 0 main_~nondetString1~0.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))))), 2472#(and (= 0 |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s1.offset|) (or (<= (select |#length| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s2.base|) 1) (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s2.base|) 1)) (<= 3 (select |#length| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s2.base|))) (= 0 |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s2.offset|)), 2473#(and (= __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset 0) (= 0 __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset) (or (<= (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base) 1) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base) 1)) (<= 3 (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base)))), 2474#(and (= __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset 0) (= |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post3.offset| 0) (or (and (= |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post3.base| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base) (<= (+ |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post3.offset| 1) __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset) (or (<= (+ |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post3.offset| (select |#length| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post3.base|)) __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset) (<= (+ __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset 2) (+ |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post3.offset| (select |#length| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post3.base|))))) (and (<= __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset (+ |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post3.offset| 1)) (<= (+ |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post3.offset| 1) __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base) 1))))), 2475#(and (or (and (<= 1 __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset) (or (<= (+ __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset 2) (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base)) (<= (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base) __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset))) (and (<= __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset 1) (<= 1 __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base) 1)))) (= __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset 0)), 2476#(or (and (<= 1 __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset) (or (<= (+ __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset 2) (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base)) (<= (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base) __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset))) (and (<= __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset 1) (<= (+ |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post9.offset| 1) __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset) (or (and (<= __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset 1) (<= 1 __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base) 1))) (not (= 1 __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset))))), 2477#(or (and (<= 1 __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset) (or (<= (+ __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset 2) (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base)) (<= (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base) __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset))) (and (<= __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset 1) (<= 1 __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset) (= 1 __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base) 1)))), 2478#(or (and (<= __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset 1) (<= 1 __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset) (= |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~mem4| (select (select |#memory_int| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.base) __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset)) (= 1 __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base) 1))) (and (<= 1 __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset) (or (<= (+ __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset 2) (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base)) (<= (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base) __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset)))), 2479#(or (and (or (<= (+ __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base)) (<= (select |#length| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post3.base|) |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post3.offset|)) (<= 2 __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset)) (and (= |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~mem4| (select (select |#memory_int| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.base) __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset)) (= 1 __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset) (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post3.base|) |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post3.offset|)) (= 1 |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post3.offset|))), 2480#(or (and (<= 2 __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset) (<= (+ __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base))) (and (= 0 |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~mem5|) (= |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~mem4| (select (select |#memory_int| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.base) __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset)) (= 1 __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset))), 2481#(or (and (<= 2 __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset) (<= (+ __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base))) (and (= 1 |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post9.offset|) (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post9.base|) |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post9.offset|)))), 2482#(or (and (<= 2 __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset) (<= (+ __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base))) (= |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~mem10| 0)), 2483#(and (<= 2 __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset) (<= (+ __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base))), 2484#(and (<= (+ |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post3.offset| 1) (select |#length| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post3.base|)) (<= 2 |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post3.offset|))] [2018-04-12 02:51:40,047 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:40,047 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-04-12 02:51:40,048 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-04-12 02:51:40,048 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2018-04-12 02:51:40,048 INFO L87 Difference]: Start difference. First operand 49 states and 49 transitions. Second operand 20 states. [2018-04-12 02:51:40,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:40,591 INFO L93 Difference]: Finished difference Result 52 states and 52 transitions. [2018-04-12 02:51:40,592 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-04-12 02:51:40,592 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 40 [2018-04-12 02:51:40,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:40,592 INFO L225 Difference]: With dead ends: 52 [2018-04-12 02:51:40,592 INFO L226 Difference]: Without dead ends: 52 [2018-04-12 02:51:40,592 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=135, Invalid=1055, Unknown=0, NotChecked=0, Total=1190 [2018-04-12 02:51:40,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-04-12 02:51:40,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 51. [2018-04-12 02:51:40,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-04-12 02:51:40,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 51 transitions. [2018-04-12 02:51:40,593 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 51 transitions. Word has length 40 [2018-04-12 02:51:40,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:40,594 INFO L459 AbstractCegarLoop]: Abstraction has 51 states and 51 transitions. [2018-04-12 02:51:40,594 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-04-12 02:51:40,594 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 51 transitions. [2018-04-12 02:51:40,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-04-12 02:51:40,594 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:40,594 INFO L355 BasicCegarLoop]: trace histogram [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] [2018-04-12 02:51:40,594 INFO L408 AbstractCegarLoop]: === Iteration 22 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-12 02:51:40,594 INFO L82 PathProgramCache]: Analyzing trace with hash 259752119, now seen corresponding path program 2 times [2018-04-12 02:51:40,595 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:40,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:40,604 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:40,778 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-04-12 02:51:40,779 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 02:51:40,779 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-04-12 02:51:40,779 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:40,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:40,779 INFO L182 omatonBuilderFactory]: Interpolants [2624#(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)), 2625#(= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s1.base|) (+ (select |#length| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s1.base|) (- 1)))), 2626#(= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.base) (+ (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.base) (- 1)))), 2627#(and (<= (+ __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.base)) (or (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.base) (+ (+ __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset 1) (- 1)))) (<= (+ __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset 2) (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.base)))), 2628#(or (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post9.base|) |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post9.offset|)) (and (<= (+ __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.base)) (<= (+ |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post9.offset| 1) __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset))), 2629#(or (= |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~mem10| 0) (and (<= (+ __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.base)) (<= 1 __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset))), 2630#(and (<= (+ __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.base)) (<= 1 __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset)), 2618#true, 2619#false, 2620#(and (= main_~length1~0 (select |#length| |main_#t~malloc13.base|)) (= (select |#valid| |main_#t~malloc13.base|) 1) (= 0 |main_#t~malloc13.offset|)), 2621#(and (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (= (select |#valid| main_~nondetString1~0.base) 1) (= main_~nondetString1~0.offset 0)), 2622#(and (not (= main_~nondetString1~0.base |main_#t~malloc14.base|)) (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (= main_~nondetString1~0.offset 0)), 2623#(and (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (not (= main_~nondetString1~0.base main_~nondetString2~0.base)) (= main_~nondetString1~0.offset 0))] [2018-04-12 02:51:40,779 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-04-12 02:51:40,779 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-12 02:51:40,779 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-12 02:51:40,780 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2018-04-12 02:51:40,780 INFO L87 Difference]: Start difference. First operand 51 states and 51 transitions. Second operand 13 states. [2018-04-12 02:51:40,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:40,942 INFO L93 Difference]: Finished difference Result 50 states and 50 transitions. [2018-04-12 02:51:40,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-12 02:51:40,943 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 47 [2018-04-12 02:51:40,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:40,943 INFO L225 Difference]: With dead ends: 50 [2018-04-12 02:51:40,943 INFO L226 Difference]: Without dead ends: 50 [2018-04-12 02:51:40,943 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=377, Unknown=0, NotChecked=0, Total=462 [2018-04-12 02:51:40,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-04-12 02:51:40,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-04-12 02:51:40,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-04-12 02:51:40,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 50 transitions. [2018-04-12 02:51:40,945 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 50 transitions. Word has length 47 [2018-04-12 02:51:40,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:40,945 INFO L459 AbstractCegarLoop]: Abstraction has 50 states and 50 transitions. [2018-04-12 02:51:40,945 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-12 02:51:40,945 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 50 transitions. [2018-04-12 02:51:40,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-04-12 02:51:40,946 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:40,946 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2018-04-12 02:51:40,946 INFO L408 AbstractCegarLoop]: === Iteration 23 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-12 02:51:40,946 INFO L82 PathProgramCache]: Analyzing trace with hash 513682808, now seen corresponding path program 3 times [2018-04-12 02:51:40,947 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:40,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:40,964 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:41,405 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:41,405 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 02:51:41,405 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-04-12 02:51:41,405 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:41,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:41,405 INFO L182 omatonBuilderFactory]: Interpolants [2752#(= 0 main_~nondetString1~0.offset), 2753#(and (= 0 main_~nondetString1~0.offset) (= 0 |main_#t~malloc14.offset|) (= main_~length2~0 (select |#length| |main_#t~malloc14.base|))), 2754#(and (= 0 main_~nondetString2~0.offset) (= 0 main_~nondetString1~0.offset) (= main_~length2~0 (select |#length| main_~nondetString2~0.base))), 2755#(and (= 0 (select (select |#memory_int| main_~nondetString2~0.base) (+ main_~nondetString2~0.offset (+ (select |#length| main_~nondetString2~0.base) (- 1))))) (= 0 main_~nondetString2~0.offset) (= 0 main_~nondetString1~0.offset)), 2756#(and (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s2.base|) (+ (select |#length| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s2.base|) (- 1)))) (= 0 |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s1.offset|) (= 0 |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s2.offset|)), 2757#(and (= __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset 0) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base) (+ (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base) (- 1)))) (= 0 __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset)), 2758#(and (= |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post3.base| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base) (= __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset 0) (= |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post3.offset| 0) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base) (+ (select |#length| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post3.base|) (- 1))))), 2759#(and (= __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset 0) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base) (+ (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base) (- 1))))), 2760#(and (or (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base) (+ (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base) (- 1)))) (not (= |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post9.offset| 0))) (<= |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post9.offset| 0)), 2761#(= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base) (+ (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base) (- 1)))), 2762#(or (<= (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base) __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset) (<= (+ __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset 2) (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base)) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base) (+ (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base) (- 1))))), 2763#(or (<= (+ __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset 2) (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base)) (<= (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base) __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset) (and (= |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~mem4| (select (select |#memory_int| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.base) __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset)) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base) (+ (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base) (- 1)))))), 2764#(and (or (and (= |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~mem4| (select (select |#memory_int| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.base) __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset)) (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post3.base|) |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post3.offset|)) (= (+ |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post3.offset| 1) (select |#length| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post3.base|))) (<= (+ __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base)) (<= (select |#length| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post3.base|) |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post3.offset|)) (<= (+ |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post3.offset| 1) __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset)), 2765#(and (<= 1 __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset) (or (and (= 0 |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~mem5|) (= |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~mem4| (select (select |#memory_int| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.base) __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset))) (<= (+ __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base)))), 2766#(and (<= 1 __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset) (or (<= (+ __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base)) (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post9.base|) |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post9.offset|)))), 2767#(and (<= 1 __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset) (or (= |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~mem10| 0) (<= (+ __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base)))), 2768#(and (<= 1 __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset) (<= (+ __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base))), 2769#(and (<= 1 |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post3.offset|) (<= (+ |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post3.offset| 1) (select |#length| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#t~post3.base|))), 2749#true, 2750#false, 2751#(= 0 |main_#t~malloc13.offset|)] [2018-04-12 02:51:41,406 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:41,406 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-12 02:51:41,406 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-12 02:51:41,406 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=365, Unknown=0, NotChecked=0, Total=420 [2018-04-12 02:51:41,406 INFO L87 Difference]: Start difference. First operand 50 states and 50 transitions. Second operand 21 states. [2018-04-12 02:51:41,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:41,877 INFO L93 Difference]: Finished difference Result 49 states and 49 transitions. [2018-04-12 02:51:41,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-04-12 02:51:41,877 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 49 [2018-04-12 02:51:41,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:41,877 INFO L225 Difference]: With dead ends: 49 [2018-04-12 02:51:41,878 INFO L226 Difference]: Without dead ends: 0 [2018-04-12 02:51:41,878 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 236 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=190, Invalid=1142, Unknown=0, NotChecked=0, Total=1332 [2018-04-12 02:51:41,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-12 02:51:41,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-12 02:51:41,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-12 02:51:41,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-12 02:51:41,878 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 49 [2018-04-12 02:51:41,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:41,878 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-12 02:51:41,878 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-12 02:51:41,878 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-12 02:51:41,879 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-12 02:51:41,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.04 02:51:41 BoogieIcfgContainer [2018-04-12 02:51:41,881 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-12 02:51:41,882 INFO L168 Benchmark]: Toolchain (without parser) took 7779.36 ms. Allocated memory was 478.7 MB in the beginning and 847.8 MB in the end (delta: 369.1 MB). Free memory was 410.5 MB in the beginning and 682.3 MB in the end (delta: -271.8 MB). Peak memory consumption was 97.3 MB. Max. memory is 5.3 GB. [2018-04-12 02:51:41,883 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 478.7 MB. Free memory is still 444.3 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-12 02:51:41,883 INFO L168 Benchmark]: CACSL2BoogieTranslator took 225.35 ms. Allocated memory is still 478.7 MB. Free memory was 410.5 MB in the beginning and 385.7 MB in the end (delta: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 5.3 GB. [2018-04-12 02:51:41,883 INFO L168 Benchmark]: Boogie Preprocessor took 39.24 ms. Allocated memory is still 478.7 MB. Free memory was 385.7 MB in the beginning and 383.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-12 02:51:41,884 INFO L168 Benchmark]: RCFGBuilder took 463.67 ms. Allocated memory was 478.7 MB in the beginning and 611.3 MB in the end (delta: 132.6 MB). Free memory was 383.0 MB in the beginning and 538.6 MB in the end (delta: -155.6 MB). Peak memory consumption was 35.3 MB. Max. memory is 5.3 GB. [2018-04-12 02:51:41,884 INFO L168 Benchmark]: TraceAbstraction took 7048.45 ms. Allocated memory was 611.3 MB in the beginning and 847.8 MB in the end (delta: 236.5 MB). Free memory was 538.6 MB in the beginning and 682.3 MB in the end (delta: -143.6 MB). Peak memory consumption was 92.8 MB. Max. memory is 5.3 GB. [2018-04-12 02:51:41,885 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 478.7 MB. Free memory is still 444.3 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 225.35 ms. Allocated memory is still 478.7 MB. Free memory was 410.5 MB in the beginning and 385.7 MB in the end (delta: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 39.24 ms. Allocated memory is still 478.7 MB. Free memory was 385.7 MB in the beginning and 383.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 463.67 ms. Allocated memory was 478.7 MB in the beginning and 611.3 MB in the end (delta: 132.6 MB). Free memory was 383.0 MB in the beginning and 538.6 MB in the end (delta: -155.6 MB). Peak memory consumption was 35.3 MB. Max. memory is 5.3 GB. * TraceAbstraction took 7048.45 ms. Allocated memory was 611.3 MB in the beginning and 847.8 MB in the end (delta: 236.5 MB). Free memory was 538.6 MB in the beginning and 682.3 MB in the end (delta: -143.6 MB). Peak memory consumption was 92.8 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 565]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 564]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 565]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 553]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 564]: 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: 548]: 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: 547]: 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: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: 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: 547]: 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, 64 locations, 15 error locations. SAFE Result, 7.0s OverallTime, 23 OverallIterations, 4 TraceHistogramMax, 3.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 763 SDtfs, 1051 SDslu, 2633 SDs, 0 SdLazy, 2452 SolverSat, 155 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 345 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 307 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 998 ImplicationChecksByTransitivity, 3.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=58occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 25/125 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, 23 MinimizatonAttempts, 38 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 626 NumberOfCodeBlocks, 626 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 603 ConstructedInterpolants, 0 QuantifiedInterpolants, 173699 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 15 PerfectInterpolantSequences, 25/125 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/openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-12_02-51-41-890.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-12_02-51-41-890.csv Received shutdown request...