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/cstrncpy-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-12 02:37:30,082 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-12 02:37:30,083 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-12 02:37:30,093 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-12 02:37:30,094 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-12 02:37:30,095 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-12 02:37:30,096 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-12 02:37:30,097 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-12 02:37:30,099 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-12 02:37:30,100 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-12 02:37:30,100 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-12 02:37:30,101 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-12 02:37:30,101 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-12 02:37:30,102 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-12 02:37:30,103 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-12 02:37:30,105 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-12 02:37:30,106 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-12 02:37:30,108 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-12 02:37:30,109 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-12 02:37:30,110 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-12 02:37:30,111 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-04-12 02:37:30,115 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-12 02:37:30,116 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-12 02:37:30,116 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 02:37:30,137 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-12 02:37:30,137 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-12 02:37:30,138 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-12 02:37:30,138 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-12 02:37:30,139 INFO L133 SettingsManager]: * Use SBE=true [2018-04-12 02:37:30,139 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-12 02:37:30,139 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-12 02:37:30,139 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-12 02:37:30,139 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-12 02:37:30,139 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-12 02:37:30,140 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-12 02:37:30,140 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-12 02:37:30,140 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-12 02:37:30,140 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-12 02:37:30,140 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-12 02:37:30,140 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-12 02:37:30,141 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-12 02:37:30,141 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-12 02:37:30,141 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-12 02:37:30,141 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-12 02:37:30,141 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-12 02:37:30,141 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 02:37:30,170 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-12 02:37:30,180 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-12 02:37:30,183 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-12 02:37:30,184 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-12 02:37:30,185 INFO L276 PluginConnector]: CDTParser initialized [2018-04-12 02:37:30,185 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,481 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG7146060b7 [2018-04-12 02:37:30,616 INFO L287 CDTParser]: IsIndexed: true [2018-04-12 02:37:30,617 INFO L288 CDTParser]: Found 1 translation units. [2018-04-12 02:37:30,617 INFO L168 CDTParser]: Scanning cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,625 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-12 02:37:30,626 INFO L215 ultiparseSymbolTable]: [2018-04-12 02:37:30,626 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-12 02:37:30,626 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__ ('') in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,626 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____bswap_32 ('__bswap_32') in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,626 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,626 INFO L221 ultiparseSymbolTable]: Function definition 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cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,627 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____suseconds_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,627 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__caddr_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,628 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__pthread_mutexattr_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,628 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__u_int in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,628 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____rlim64_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,628 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____fsfilcnt_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,628 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__pid_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,628 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__int32_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,628 INFO L230 ultiparseSymbolTable]: Global variable declaration of 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cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,629 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____blkcnt64_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,629 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____id_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,629 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____int32_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,629 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____caddr_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,629 INFO L230 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cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,630 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__u_quad_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,630 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____uid_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,630 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____fsword_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,630 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____blksize_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,630 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__sigset_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,630 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____qaddr_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,630 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____fsfilcnt64_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,630 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__u_int64_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,631 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__pthread_rwlock_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,631 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____u_int in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,631 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____useconds_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,631 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__id_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,631 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__loff_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,631 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__dev_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,631 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____int64_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,631 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__ino_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,631 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__ldiv_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,631 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__time_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,631 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__register_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,631 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__pthread_key_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,632 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__pthread_barrierattr_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,632 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____fsblkcnt_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,632 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____syscall_slong_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,632 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____loff_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,632 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__int64_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,632 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__fd_mask in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,632 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__suseconds_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,632 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__pthread_cond_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,632 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__fsid_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,632 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____WAIT_STATUS in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,633 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__u_int16_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,633 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__ushort in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,633 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____blkcnt_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,633 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__pthread_barrier_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,633 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____clock_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,633 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____u_quad_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,633 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____ino64_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,633 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____daddr_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,633 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____key_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,633 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__pthread_spinlock_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,633 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____uint8_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,633 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____gid_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,634 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____quad_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,634 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____ino_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,634 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____sigset_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,634 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____pid_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,634 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__pthread_condattr_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,634 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__clock_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,634 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__u_int8_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,634 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____uint16_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,634 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__uint in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,634 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__daddr_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,634 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____fsid_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,635 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__nlink_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,635 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__pthread_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,635 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____off_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,635 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,635 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__u_long in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,635 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__clockid_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,635 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____fd_mask in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,635 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____sig_atomic_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,635 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____fsblkcnt64_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,635 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__u_int32_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,635 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__ulong in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,636 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__pthread_once_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,636 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____u_long in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,636 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__blksize_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,636 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____u_char in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,636 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____off64_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,636 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__u_short in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,636 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____uint32_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,636 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__wchar_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,636 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____int16_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,636 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__div_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,636 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____intptr_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,637 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____clockid_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,637 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__pthread_attr_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,637 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__blkcnt_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,637 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__u_char in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,637 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__off_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,637 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__quad_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,637 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____pthread_list_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,637 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__lldiv_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,637 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____socklen_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,637 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__int16_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,637 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__uid_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:30,653 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG7146060b7 [2018-04-12 02:37:30,657 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-12 02:37:30,659 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-12 02:37:30,659 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-12 02:37:30,660 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-12 02:37:30,667 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-12 02:37:30,668 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 02:37:30" (1/1) ... [2018-04-12 02:37:30,670 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a67ac21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:37:30, skipping insertion in model container [2018-04-12 02:37:30,670 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 02:37:30" (1/1) ... [2018-04-12 02:37:30,682 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 02:37:30,706 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 02:37:30,831 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 02:37:30,861 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 02:37:30,867 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-12 02:37:30,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:37:30 WrapperNode [2018-04-12 02:37:30,902 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-12 02:37:30,903 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-12 02:37:30,903 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-12 02:37:30,903 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-12 02:37:30,914 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:37:30" (1/1) ... [2018-04-12 02:37:30,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:37:30" (1/1) ... [2018-04-12 02:37:30,926 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:37:30" (1/1) ... [2018-04-12 02:37:30,926 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:37:30" (1/1) ... [2018-04-12 02:37:30,933 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:37:30" (1/1) ... [2018-04-12 02:37:30,937 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:37:30" (1/1) ... [2018-04-12 02:37:30,939 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:37:30" (1/1) ... [2018-04-12 02:37:30,942 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-12 02:37:30,943 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-12 02:37:30,943 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-12 02:37:30,943 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-12 02:37:30,944 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:37:30" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-12 02:37:31,056 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-12 02:37:31,057 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-12 02:37:31,057 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-12 02:37:31,057 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-12 02:37:31,057 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrncpy [2018-04-12 02:37:31,057 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-12 02:37:31,057 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-12 02:37:31,057 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-12 02:37:31,057 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-12 02:37:31,058 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-12 02:37:31,058 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-12 02:37:31,058 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-12 02:37:31,058 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-12 02:37:31,058 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-12 02:37:31,058 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-12 02:37:31,058 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-12 02:37:31,058 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-12 02:37:31,059 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-12 02:37:31,059 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-12 02:37:31,059 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-12 02:37:31,059 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-12 02:37:31,059 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-12 02:37:31,059 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-12 02:37:31,059 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-12 02:37:31,059 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-12 02:37:31,059 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-12 02:37:31,060 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-12 02:37:31,060 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-12 02:37:31,060 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-12 02:37:31,060 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-12 02:37:31,060 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-12 02:37:31,060 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-12 02:37:31,060 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-12 02:37:31,060 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-12 02:37:31,060 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-12 02:37:31,061 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-12 02:37:31,061 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-12 02:37:31,061 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-12 02:37:31,061 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-12 02:37:31,061 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-12 02:37:31,061 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-12 02:37:31,061 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-12 02:37:31,061 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-12 02:37:31,061 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-12 02:37:31,061 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-12 02:37:31,062 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-12 02:37:31,062 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-12 02:37:31,062 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-12 02:37:31,062 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-12 02:37:31,062 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-12 02:37:31,062 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-12 02:37:31,062 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-12 02:37:31,062 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-12 02:37:31,062 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-12 02:37:31,063 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-12 02:37:31,063 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-12 02:37:31,063 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-12 02:37:31,063 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-12 02:37:31,063 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-12 02:37:31,063 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-12 02:37:31,063 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-12 02:37:31,063 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-12 02:37:31,063 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-12 02:37:31,063 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-12 02:37:31,064 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-12 02:37:31,064 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-12 02:37:31,064 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-12 02:37:31,064 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-12 02:37:31,064 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-12 02:37:31,064 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-12 02:37:31,064 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-12 02:37:31,064 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-12 02:37:31,064 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-12 02:37:31,064 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-12 02:37:31,064 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-12 02:37:31,065 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-12 02:37:31,065 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-12 02:37:31,065 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-12 02:37:31,065 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-12 02:37:31,065 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-12 02:37:31,065 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-12 02:37:31,065 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-12 02:37:31,065 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-12 02:37:31,065 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-12 02:37:31,065 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-12 02:37:31,066 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-12 02:37:31,066 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-12 02:37:31,066 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-12 02:37:31,066 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-12 02:37:31,066 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-12 02:37:31,066 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-12 02:37:31,066 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-12 02:37:31,066 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-12 02:37:31,066 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-12 02:37:31,066 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-12 02:37:31,067 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-12 02:37:31,067 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-12 02:37:31,067 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-12 02:37:31,067 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-12 02:37:31,067 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-12 02:37:31,067 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-12 02:37:31,067 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-12 02:37:31,067 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-12 02:37:31,067 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-12 02:37:31,067 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-12 02:37:31,068 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-12 02:37:31,068 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-12 02:37:31,068 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-12 02:37:31,068 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-12 02:37:31,068 INFO L128 BoogieDeclarations]: Found specification of procedure cstrncpy [2018-04-12 02:37:31,068 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-12 02:37:31,068 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-12 02:37:31,068 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-12 02:37:31,068 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-12 02:37:31,069 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-12 02:37:31,069 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-12 02:37:31,069 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-12 02:37:31,069 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-12 02:37:31,304 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-12 02:37:31,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 02:37:31 BoogieIcfgContainer [2018-04-12 02:37:31,304 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-12 02:37:31,305 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-12 02:37:31,305 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-12 02:37:31,307 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-12 02:37:31,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.04 02:37:30" (1/3) ... [2018-04-12 02:37:31,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4595d50a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 02:37:31, skipping insertion in model container [2018-04-12 02:37:31,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:37:30" (2/3) ... [2018-04-12 02:37:31,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4595d50a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 02:37:31, skipping insertion in model container [2018-04-12 02:37:31,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 02:37:31" (3/3) ... [2018-04-12 02:37:31,310 INFO L107 eAbstractionObserver]: Analyzing ICFG cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:37:31,316 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-04-12 02:37:31,321 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2018-04-12 02:37:31,345 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-12 02:37:31,346 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-12 02:37:31,346 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-12 02:37:31,346 INFO L371 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-04-12 02:37:31,346 INFO L372 AbstractCegarLoop]: Backedges is CANONICAL [2018-04-12 02:37:31,346 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-12 02:37:31,347 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-12 02:37:31,347 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-12 02:37:31,347 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-12 02:37:31,347 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-12 02:37:31,356 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states. [2018-04-12 02:37:31,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-12 02:37:31,364 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:37:31,364 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:37:31,365 INFO L408 AbstractCegarLoop]: === Iteration 1 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:37:31,367 INFO L82 PathProgramCache]: Analyzing trace with hash -441767553, now seen corresponding path program 1 times [2018-04-12 02:37:31,401 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:37:31,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:37:31,432 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:37:31,483 INFO 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 02:37:31,485 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:37:31,486 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 02:37:31,487 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:37:31,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:37:31,487 INFO L182 omatonBuilderFactory]: Interpolants [49#true, 50#false, 51#(= 1 (select |#valid| |main_#t~malloc11.base|)), 52#(= 1 (select |#valid| main_~nondetString~0.base))] [2018-04-12 02:37:31,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:37:31,488 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 02:37:31,497 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 02:37:31,497 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 02:37:31,499 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 4 states. [2018-04-12 02:37:31,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:37:31,563 INFO L93 Difference]: Finished difference Result 45 states and 49 transitions. [2018-04-12 02:37:31,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-12 02:37:31,564 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-04-12 02:37:31,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:37:31,572 INFO L225 Difference]: With dead ends: 45 [2018-04-12 02:37:31,572 INFO L226 Difference]: Without dead ends: 42 [2018-04-12 02:37:31,574 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 02:37:31,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-04-12 02:37:31,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-04-12 02:37:31,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-04-12 02:37:31,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2018-04-12 02:37:31,597 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 13 [2018-04-12 02:37:31,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:37:31,597 INFO L459 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2018-04-12 02:37:31,597 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 02:37:31,597 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2018-04-12 02:37:31,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-12 02:37:31,597 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:37:31,597 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:37:31,597 INFO L408 AbstractCegarLoop]: === Iteration 2 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:37:31,598 INFO L82 PathProgramCache]: Analyzing trace with hash -441767552, now seen corresponding path program 1 times [2018-04-12 02:37:31,598 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:37:31,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:37:31,613 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:37:31,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:37:31,671 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:37:31,671 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 02:37:31,671 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:37:31,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:37:31,671 INFO L182 omatonBuilderFactory]: Interpolants [144#(<= 1 main_~length~0), 145#(and (= main_~length~0 (select |#length| |main_#t~malloc11.base|)) (= 0 |main_#t~malloc11.offset|) (<= 1 main_~length~0)), 146#(and (= main_~length~0 (select |#length| main_~nondetString~0.base)) (= main_~nondetString~0.offset 0) (<= 1 main_~length~0)), 142#true, 143#false] [2018-04-12 02:37:31,672 INFO 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 02:37:31,672 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 02:37:31,673 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 02:37:31,673 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 02:37:31,673 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand 5 states. [2018-04-12 02:37:31,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:37:31,716 INFO L93 Difference]: Finished difference Result 41 states and 45 transitions. [2018-04-12 02:37:31,716 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 02:37:31,716 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2018-04-12 02:37:31,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:37:31,717 INFO L225 Difference]: With dead ends: 41 [2018-04-12 02:37:31,717 INFO L226 Difference]: Without dead ends: 41 [2018-04-12 02:37:31,719 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 02:37:31,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-04-12 02:37:31,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-04-12 02:37:31,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-04-12 02:37:31,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2018-04-12 02:37:31,723 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 45 transitions. Word has length 13 [2018-04-12 02:37:31,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:37:31,723 INFO L459 AbstractCegarLoop]: Abstraction has 41 states and 45 transitions. [2018-04-12 02:37:31,723 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 02:37:31,723 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2018-04-12 02:37:31,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-12 02:37:31,724 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:37:31,724 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:37:31,724 INFO L408 AbstractCegarLoop]: === Iteration 3 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:37:31,725 INFO L82 PathProgramCache]: Analyzing trace with hash -1083273766, now seen corresponding path program 1 times [2018-04-12 02:37:31,726 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:37:31,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:37:31,743 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:37:31,788 INFO 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 02:37:31,788 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:37:31,788 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 02:37:31,788 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:37:31,789 INFO 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 02:37:31,789 INFO L182 omatonBuilderFactory]: Interpolants [231#true, 232#false, 233#(= 1 (select |#valid| main_~nondetString~0.base)), 234#(= 1 (select |#valid| |cstrncpy_#in~s2.base|)), 235#(= 1 (select |#valid| cstrncpy_~src~0.base)), 236#(= 1 (select |#valid| |cstrncpy_#t~post4.base|))] [2018-04-12 02:37:31,789 INFO 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 02:37:31,789 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 02:37:31,789 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 02:37:31,790 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-12 02:37:31,790 INFO L87 Difference]: Start difference. First operand 41 states and 45 transitions. Second operand 6 states. [2018-04-12 02:37:31,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:37:31,874 INFO L93 Difference]: Finished difference Result 40 states and 44 transitions. [2018-04-12 02:37:31,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 02:37:31,874 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2018-04-12 02:37:31,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:37:31,875 INFO L225 Difference]: With dead ends: 40 [2018-04-12 02:37:31,875 INFO L226 Difference]: Without dead ends: 40 [2018-04-12 02:37:31,875 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 02:37:31,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-04-12 02:37:31,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2018-04-12 02:37:31,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-04-12 02:37:31,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 44 transitions. [2018-04-12 02:37:31,878 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 44 transitions. Word has length 18 [2018-04-12 02:37:31,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:37:31,879 INFO L459 AbstractCegarLoop]: Abstraction has 40 states and 44 transitions. [2018-04-12 02:37:31,879 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 02:37:31,879 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2018-04-12 02:37:31,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-12 02:37:31,879 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:37:31,879 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:37:31,880 INFO L408 AbstractCegarLoop]: === Iteration 4 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:37:31,880 INFO L82 PathProgramCache]: Analyzing trace with hash -1083273765, now seen corresponding path program 1 times [2018-04-12 02:37:31,880 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:37:31,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:37:31,894 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:37:31,981 INFO 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 02:37:31,981 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:37:31,982 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-12 02:37:31,982 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:37:31,982 INFO 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 02:37:31,982 INFO L182 omatonBuilderFactory]: Interpolants [321#true, 322#false, 323#(<= 1 main_~length~0), 324#(and (= main_~length~0 (select |#length| |main_#t~malloc11.base|)) (= 0 |main_#t~malloc11.offset|) (<= 1 main_~length~0)), 325#(and (= main_~length~0 (select |#length| main_~nondetString~0.base)) (= 0 main_~nondetString~0.offset) (<= 1 main_~length~0)), 326#(and (<= 1 (select |#length| main_~nondetString~0.base)) (= 0 main_~nondetString~0.offset)), 327#(and (<= 1 (select |#length| |cstrncpy_#in~s2.base|)) (= 0 |cstrncpy_#in~s2.offset|)), 328#(and (= 0 cstrncpy_~src~0.offset) (<= 1 (select |#length| cstrncpy_~src~0.base))), 329#(and (<= 1 (select |#length| |cstrncpy_#t~post4.base|)) (= |cstrncpy_#t~post4.offset| 0))] [2018-04-12 02:37:31,982 INFO 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 02:37:31,983 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-12 02:37:31,983 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-12 02:37:31,983 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-04-12 02:37:31,984 INFO L87 Difference]: Start difference. First operand 40 states and 44 transitions. Second operand 9 states. [2018-04-12 02:37:32,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:37:32,079 INFO L93 Difference]: Finished difference Result 50 states and 56 transitions. [2018-04-12 02:37:32,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-12 02:37:32,080 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 18 [2018-04-12 02:37:32,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:37:32,082 INFO L225 Difference]: With dead ends: 50 [2018-04-12 02:37:32,082 INFO L226 Difference]: Without dead ends: 50 [2018-04-12 02:37:32,082 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 02:37:32,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-04-12 02:37:32,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 43. [2018-04-12 02:37:32,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-04-12 02:37:32,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 48 transitions. [2018-04-12 02:37:32,085 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 48 transitions. Word has length 18 [2018-04-12 02:37:32,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:37:32,085 INFO L459 AbstractCegarLoop]: Abstraction has 43 states and 48 transitions. [2018-04-12 02:37:32,085 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-12 02:37:32,085 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2018-04-12 02:37:32,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-12 02:37:32,086 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:37:32,086 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:37:32,086 INFO L408 AbstractCegarLoop]: === Iteration 5 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:37:32,086 INFO L82 PathProgramCache]: Analyzing trace with hash 778251610, now seen corresponding path program 1 times [2018-04-12 02:37:32,087 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:37:32,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:37:32,106 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:37:32,184 INFO 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 02:37:32,184 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:37:32,184 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-12 02:37:32,184 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:37:32,184 INFO 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 02:37:32,184 INFO L182 omatonBuilderFactory]: Interpolants [432#(= 1 (select |#valid| main_~nondetArea~0.base)), 433#(or (= |main_#t~malloc11.base| main_~nondetArea~0.base) (= 1 (select |#valid| main_~nondetArea~0.base))), 434#(or (= main_~nondetString~0.base main_~nondetArea~0.base) (= 1 (select |#valid| main_~nondetArea~0.base))), 435#(= 1 (select |#valid| |cstrncpy_#in~s1.base|)), 436#(= 1 (select |#valid| cstrncpy_~dst~0.base)), 437#(= 1 (select |#valid| |cstrncpy_#t~post3.base|)), 429#true, 430#false, 431#(= 1 (select |#valid| |main_#t~malloc10.base|))] [2018-04-12 02:37:32,185 INFO 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 02:37:32,185 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-12 02:37:32,185 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-12 02:37:32,185 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-04-12 02:37:32,185 INFO L87 Difference]: Start difference. First operand 43 states and 48 transitions. Second operand 9 states. [2018-04-12 02:37:32,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:37:32,261 INFO L93 Difference]: Finished difference Result 42 states and 47 transitions. [2018-04-12 02:37:32,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-12 02:37:32,263 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2018-04-12 02:37:32,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:37:32,264 INFO L225 Difference]: With dead ends: 42 [2018-04-12 02:37:32,264 INFO L226 Difference]: Without dead ends: 42 [2018-04-12 02:37:32,264 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2018-04-12 02:37:32,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-04-12 02:37:32,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-04-12 02:37:32,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-04-12 02:37:32,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 47 transitions. [2018-04-12 02:37:32,267 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 47 transitions. Word has length 19 [2018-04-12 02:37:32,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:37:32,267 INFO L459 AbstractCegarLoop]: Abstraction has 42 states and 47 transitions. [2018-04-12 02:37:32,267 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-12 02:37:32,267 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 47 transitions. [2018-04-12 02:37:32,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-12 02:37:32,268 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:37:32,268 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:37:32,268 INFO L408 AbstractCegarLoop]: === Iteration 6 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:37:32,268 INFO L82 PathProgramCache]: Analyzing trace with hash 778251611, now seen corresponding path program 1 times [2018-04-12 02:37:32,268 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:37:32,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:37:32,280 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:37:32,375 INFO 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 02:37:32,375 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:37:32,376 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-12 02:37:32,376 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:37:32,376 INFO 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 02:37:32,376 INFO L182 omatonBuilderFactory]: Interpolants [528#true, 529#false, 530#(<= 1 main_~n~0), 531#(and (= 0 |main_#t~malloc10.offset|) (<= 1 main_~n~0) (= main_~n~0 (select |#length| |main_#t~malloc10.base|)) (= (select |#valid| |main_#t~malloc10.base|) 1)), 532#(and (= main_~n~0 (select |#length| main_~nondetArea~0.base)) (= (select |#valid| main_~nondetArea~0.base) 1) (<= 1 main_~n~0) (= 0 main_~nondetArea~0.offset)), 533#(and (= main_~n~0 (select |#length| main_~nondetArea~0.base)) (<= 1 main_~n~0) (= 0 main_~nondetArea~0.offset)), 534#(and (<= 1 (select |#length| |cstrncpy_#in~s1.base|)) (= 0 |cstrncpy_#in~s1.offset|)), 535#(and (= 0 cstrncpy_~dst~0.offset) (<= 1 (select |#length| cstrncpy_~dst~0.base))), 536#(and (= |cstrncpy_#t~post3.offset| 0) (<= 1 (select |#length| |cstrncpy_#t~post3.base|)))] [2018-04-12 02:37:32,376 INFO 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 02:37:32,376 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-12 02:37:32,377 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-12 02:37:32,377 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-04-12 02:37:32,377 INFO L87 Difference]: Start difference. First operand 42 states and 47 transitions. Second operand 9 states. [2018-04-12 02:37:32,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:37:32,453 INFO L93 Difference]: Finished difference Result 47 states and 53 transitions. [2018-04-12 02:37:32,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-12 02:37:32,453 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2018-04-12 02:37:32,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:37:32,454 INFO L225 Difference]: With dead ends: 47 [2018-04-12 02:37:32,454 INFO L226 Difference]: Without dead ends: 47 [2018-04-12 02:37:32,454 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2018-04-12 02:37:32,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-04-12 02:37:32,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 43. [2018-04-12 02:37:32,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-04-12 02:37:32,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 48 transitions. [2018-04-12 02:37:32,456 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 48 transitions. Word has length 19 [2018-04-12 02:37:32,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:37:32,456 INFO L459 AbstractCegarLoop]: Abstraction has 43 states and 48 transitions. [2018-04-12 02:37:32,456 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-12 02:37:32,456 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2018-04-12 02:37:32,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-12 02:37:32,457 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:37:32,457 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:37:32,457 INFO L408 AbstractCegarLoop]: === Iteration 7 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:37:32,457 INFO L82 PathProgramCache]: Analyzing trace with hash -1006730087, now seen corresponding path program 1 times [2018-04-12 02:37:32,458 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:37:32,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:37:32,469 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:37:32,499 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:37:32,499 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:37:32,499 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-12 02:37:32,499 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:37:32,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:37:32,499 INFO L182 omatonBuilderFactory]: Interpolants [633#true, 634#false, 635#(<= main_~n~0 1), 636#(<= |cstrncpy_#in~n| 1), 637#(<= cstrncpy_~n 1), 638#(<= cstrncpy_~n 0)] [2018-04-12 02:37:32,499 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:37:32,500 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 02:37:32,500 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 02:37:32,500 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-04-12 02:37:32,500 INFO L87 Difference]: Start difference. First operand 43 states and 48 transitions. Second operand 6 states. [2018-04-12 02:37:32,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:37:32,526 INFO L93 Difference]: Finished difference Result 77 states and 84 transitions. [2018-04-12 02:37:32,526 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-12 02:37:32,526 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2018-04-12 02:37:32,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:37:32,527 INFO L225 Difference]: With dead ends: 77 [2018-04-12 02:37:32,527 INFO L226 Difference]: Without dead ends: 77 [2018-04-12 02:37:32,528 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-04-12 02:37:32,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-04-12 02:37:32,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 65. [2018-04-12 02:37:32,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-04-12 02:37:32,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 75 transitions. [2018-04-12 02:37:32,532 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 75 transitions. Word has length 23 [2018-04-12 02:37:32,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:37:32,532 INFO L459 AbstractCegarLoop]: Abstraction has 65 states and 75 transitions. [2018-04-12 02:37:32,532 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 02:37:32,532 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 75 transitions. [2018-04-12 02:37:32,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-12 02:37:32,533 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:37:32,533 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:37:32,533 INFO L408 AbstractCegarLoop]: === Iteration 8 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:37:32,533 INFO L82 PathProgramCache]: Analyzing trace with hash -2027798441, now seen corresponding path program 1 times [2018-04-12 02:37:32,534 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:37:32,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:37:32,548 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:37:32,659 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:37:32,660 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:37:32,660 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-04-12 02:37:32,660 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:37:32,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:37:32,661 INFO L182 omatonBuilderFactory]: Interpolants [785#true, 786#false, 787#(and (<= main_~length~0 1) (<= 1 main_~length~0)), 788#(and (<= main_~length~0 1) (= 0 |main_#t~malloc11.offset|) (<= 1 main_~length~0)), 789#(and (<= (+ main_~nondetString~0.offset main_~length~0) 1) (= main_~nondetString~0.offset 0) (<= 1 main_~length~0)), 790#(and (= main_~nondetString~0.offset 0) (= 0 (select (select |#memory_int| main_~nondetString~0.base) main_~nondetString~0.offset))), 791#(= 0 (select (select |#memory_int| |cstrncpy_#in~s2.base|) |cstrncpy_#in~s2.offset|)), 792#(= 0 (select (select |#memory_int| cstrncpy_~src~0.base) cstrncpy_~src~0.offset)), 793#(= 0 (select (select |#memory_int| |cstrncpy_#t~post4.base|) |cstrncpy_#t~post4.offset|)), 794#(= 0 |cstrncpy_#t~mem5|)] [2018-04-12 02:37:32,661 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:37:32,661 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-12 02:37:32,661 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-12 02:37:32,662 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-04-12 02:37:32,662 INFO L87 Difference]: Start difference. First operand 65 states and 75 transitions. Second operand 10 states. [2018-04-12 02:37:32,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:37:32,785 INFO L93 Difference]: Finished difference Result 121 states and 137 transitions. [2018-04-12 02:37:32,785 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-12 02:37:32,785 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 23 [2018-04-12 02:37:32,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:37:32,786 INFO L225 Difference]: With dead ends: 121 [2018-04-12 02:37:32,786 INFO L226 Difference]: Without dead ends: 121 [2018-04-12 02:37:32,786 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2018-04-12 02:37:32,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-04-12 02:37:32,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 86. [2018-04-12 02:37:32,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-04-12 02:37:32,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 101 transitions. [2018-04-12 02:37:32,791 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 101 transitions. Word has length 23 [2018-04-12 02:37:32,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:37:32,792 INFO L459 AbstractCegarLoop]: Abstraction has 86 states and 101 transitions. [2018-04-12 02:37:32,792 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-12 02:37:32,792 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 101 transitions. [2018-04-12 02:37:32,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-12 02:37:32,793 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:37:32,793 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:37:32,793 INFO L408 AbstractCegarLoop]: === Iteration 9 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:37:32,793 INFO L82 PathProgramCache]: Analyzing trace with hash 678820953, now seen corresponding path program 1 times [2018-04-12 02:37:32,794 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:37:32,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:37:32,805 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:37:32,930 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:37:32,930 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 02:37:32,931 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-04-12 02:37:32,931 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:37:32,931 INFO 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 02:37:32,931 INFO L182 omatonBuilderFactory]: Interpolants [1024#(and (<= (+ cstrncpy_~src~0.offset 1) (select |#length| cstrncpy_~src~0.base)) (<= 1 cstrncpy_~src~0.offset)), 1025#(and (<= (+ |cstrncpy_#t~post4.offset| 1) (select |#length| |cstrncpy_#t~post4.base|)) (<= 1 |cstrncpy_#t~post4.offset|)), 1014#true, 1015#false, 1016#(<= 1 main_~length~0), 1017#(and (= 0 |main_#t~malloc11.offset|) (<= 1 main_~length~0)), 1018#(and (= 0 main_~nondetString~0.offset) (<= 1 main_~length~0)), 1019#(and (or (<= 2 (select |#length| main_~nondetString~0.base)) (= 0 (select (select |#memory_int| main_~nondetString~0.base) main_~nondetString~0.offset))) (= 0 main_~nondetString~0.offset)), 1020#(and (or (= 0 (select (select |#memory_int| |cstrncpy_#in~s2.base|) |cstrncpy_#in~s2.offset|)) (<= 2 (select |#length| |cstrncpy_#in~s2.base|))) (= 0 |cstrncpy_#in~s2.offset|)), 1021#(and (= 0 cstrncpy_~src~0.offset) (or (<= 2 (select |#length| cstrncpy_~src~0.base)) (= 0 (select (select |#memory_int| cstrncpy_~src~0.base) cstrncpy_~src~0.offset)))), 1022#(and (= |cstrncpy_#t~post4.offset| 0) (or (and (<= (+ cstrncpy_~src~0.offset 1) (+ (select |#length| |cstrncpy_#t~post4.base|) |cstrncpy_#t~post4.offset|)) (= |cstrncpy_#t~post4.base| cstrncpy_~src~0.base) (<= (+ |cstrncpy_#t~post4.offset| 1) cstrncpy_~src~0.offset)) (= 0 (select (select |#memory_int| |cstrncpy_#t~post4.base|) |cstrncpy_#t~post4.offset|)))), 1023#(or (= 0 |cstrncpy_#t~mem5|) (and (<= (+ cstrncpy_~src~0.offset 1) (select |#length| cstrncpy_~src~0.base)) (<= 1 cstrncpy_~src~0.offset)))] [2018-04-12 02:37:32,931 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:37:32,932 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-12 02:37:32,932 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-12 02:37:32,932 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2018-04-12 02:37:32,932 INFO L87 Difference]: Start difference. First operand 86 states and 101 transitions. Second operand 12 states. [2018-04-12 02:37:33,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:37:33,074 INFO L93 Difference]: Finished difference Result 115 states and 132 transitions. [2018-04-12 02:37:33,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-12 02:37:33,074 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 23 [2018-04-12 02:37:33,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:37:33,076 INFO L225 Difference]: With dead ends: 115 [2018-04-12 02:37:33,076 INFO L226 Difference]: Without dead ends: 115 [2018-04-12 02:37:33,076 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2018-04-12 02:37:33,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-04-12 02:37:33,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 90. [2018-04-12 02:37:33,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2018-04-12 02:37:33,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 107 transitions. [2018-04-12 02:37:33,081 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 107 transitions. Word has length 23 [2018-04-12 02:37:33,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:37:33,081 INFO L459 AbstractCegarLoop]: Abstraction has 90 states and 107 transitions. [2018-04-12 02:37:33,081 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-12 02:37:33,081 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 107 transitions. [2018-04-12 02:37:33,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-12 02:37:33,082 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:37:33,082 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 02:37:33,082 INFO L408 AbstractCegarLoop]: === Iteration 10 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:37:33,082 INFO L82 PathProgramCache]: Analyzing trace with hash -1161751038, now seen corresponding path program 1 times [2018-04-12 02:37:33,082 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:37:33,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:37:33,090 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:37:33,119 INFO 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 02:37:33,120 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:37:33,120 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 02:37:33,120 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:37:33,120 INFO 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 02:37:33,120 INFO L182 omatonBuilderFactory]: Interpolants [1248#(= 1 (select |#valid| |cstrncpy_#t~post7.base|)), 1243#true, 1244#false, 1245#(= |cstrncpy_#t~post3.base| cstrncpy_~dst~0.base), 1246#(= 1 (select |#valid| cstrncpy_~dst~0.base)), 1247#(= 1 (select |#valid| cstrncpy_~us~0.base))] [2018-04-12 02:37:33,120 INFO 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 02:37:33,121 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 02:37:33,121 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 02:37:33,121 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-12 02:37:33,121 INFO L87 Difference]: Start difference. First operand 90 states and 107 transitions. Second operand 6 states. [2018-04-12 02:37:33,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:37:33,186 INFO L93 Difference]: Finished difference Result 104 states and 119 transitions. [2018-04-12 02:37:33,186 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-12 02:37:33,186 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2018-04-12 02:37:33,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:37:33,187 INFO L225 Difference]: With dead ends: 104 [2018-04-12 02:37:33,187 INFO L226 Difference]: Without dead ends: 104 [2018-04-12 02:37:33,188 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-04-12 02:37:33,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2018-04-12 02:37:33,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 89. [2018-04-12 02:37:33,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-04-12 02:37:33,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 104 transitions. [2018-04-12 02:37:33,192 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 104 transitions. Word has length 24 [2018-04-12 02:37:33,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:37:33,193 INFO L459 AbstractCegarLoop]: Abstraction has 89 states and 104 transitions. [2018-04-12 02:37:33,193 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 02:37:33,193 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 104 transitions. [2018-04-12 02:37:33,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-12 02:37:33,194 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:37:33,194 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 02:37:33,194 INFO L408 AbstractCegarLoop]: === Iteration 11 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:37:33,194 INFO L82 PathProgramCache]: Analyzing trace with hash -1161751037, now seen corresponding path program 1 times [2018-04-12 02:37:33,195 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:37:33,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:37:33,205 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:37:33,276 INFO 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 02:37:33,276 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:37:33,276 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-12 02:37:33,276 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:37:33,276 INFO 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 02:37:33,277 INFO L182 omatonBuilderFactory]: Interpolants [1448#true, 1449#false, 1450#(and (<= 1 main_~n~0) (<= main_~n~0 1)), 1451#(and (<= 1 |cstrncpy_#in~n|) (<= |cstrncpy_#in~n| 1)), 1452#(and (<= cstrncpy_~n 1) (<= 1 cstrncpy_~n)), 1453#(and (<= 0 cstrncpy_~n) (<= cstrncpy_~n 0)), 1454#(and (<= cstrncpy_~n2~0 0) (<= 0 cstrncpy_~n2~0)), 1455#(and (<= |cstrncpy_#t~post6| 0) (<= 0 |cstrncpy_#t~post6|))] [2018-04-12 02:37:33,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:37:33,277 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-12 02:37:33,277 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-12 02:37:33,277 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-04-12 02:37:33,277 INFO L87 Difference]: Start difference. First operand 89 states and 104 transitions. Second operand 8 states. [2018-04-12 02:37:33,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:37:33,342 INFO L93 Difference]: Finished difference Result 112 states and 123 transitions. [2018-04-12 02:37:33,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-12 02:37:33,343 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 24 [2018-04-12 02:37:33,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:37:33,344 INFO L225 Difference]: With dead ends: 112 [2018-04-12 02:37:33,344 INFO L226 Difference]: Without dead ends: 112 [2018-04-12 02:37:33,344 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2018-04-12 02:37:33,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2018-04-12 02:37:33,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 105. [2018-04-12 02:37:33,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-04-12 02:37:33,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 117 transitions. [2018-04-12 02:37:33,349 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 117 transitions. Word has length 24 [2018-04-12 02:37:33,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:37:33,349 INFO L459 AbstractCegarLoop]: Abstraction has 105 states and 117 transitions. [2018-04-12 02:37:33,349 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-12 02:37:33,349 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 117 transitions. [2018-04-12 02:37:33,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-12 02:37:33,350 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:37:33,350 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 02:37:33,350 INFO L408 AbstractCegarLoop]: === Iteration 12 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:37:33,351 INFO L82 PathProgramCache]: Analyzing trace with hash 1544868357, now seen corresponding path program 1 times [2018-04-12 02:37:33,351 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:37:33,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:37:33,360 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:37:33,496 INFO 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 02:37:33,496 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:37:33,496 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-04-12 02:37:33,496 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:37:33,496 INFO 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 02:37:33,496 INFO L182 omatonBuilderFactory]: Interpolants [1681#true, 1682#false, 1683#(and (= 0 |main_#t~malloc10.offset|) (= main_~n~0 (select |#length| |main_#t~malloc10.base|)) (= (select |#valid| |main_#t~malloc10.base|) 1)), 1684#(and (= main_~n~0 (select |#length| main_~nondetArea~0.base)) (= (select |#valid| main_~nondetArea~0.base) 1) (= 0 main_~nondetArea~0.offset)), 1685#(and (= main_~n~0 (select |#length| main_~nondetArea~0.base)) (= 0 main_~nondetArea~0.offset)), 1686#(and (<= (select |#length| |cstrncpy_#in~s1.base|) |cstrncpy_#in~n|) (<= |cstrncpy_#in~n| (select |#length| |cstrncpy_#in~s1.base|)) (= 0 |cstrncpy_#in~s1.offset|)), 1687#(and (= 0 cstrncpy_~dst~0.offset) (<= (select |#length| cstrncpy_~dst~0.base) cstrncpy_~n) (<= cstrncpy_~n (select |#length| cstrncpy_~dst~0.base))), 1688#(and (= |cstrncpy_#t~post3.base| cstrncpy_~dst~0.base) (<= (+ |cstrncpy_#t~post3.offset| 1) cstrncpy_~dst~0.offset) (= |cstrncpy_#t~post3.offset| 0) (<= (+ cstrncpy_~dst~0.offset cstrncpy_~n) (+ |cstrncpy_#t~post3.offset| (select |#length| |cstrncpy_#t~post3.base|))) (<= (select |#length| |cstrncpy_#t~post3.base|) (+ cstrncpy_~n 1))), 1689#(and (<= (+ cstrncpy_~dst~0.offset cstrncpy_~n) (select |#length| cstrncpy_~dst~0.base)) (<= 1 cstrncpy_~dst~0.offset) (<= 0 cstrncpy_~n)), 1690#(and (<= 1 cstrncpy_~us~0.offset) (<= (+ cstrncpy_~us~0.offset cstrncpy_~n2~0) (select |#length| cstrncpy_~us~0.base)) (<= 0 cstrncpy_~n2~0)), 1691#(and (<= 1 cstrncpy_~us~0.offset) (or (<= |cstrncpy_#t~post6| 0) (<= (+ cstrncpy_~us~0.offset |cstrncpy_#t~post6|) (select |#length| cstrncpy_~us~0.base))) (<= 0 |cstrncpy_#t~post6|)), 1692#(and (<= 1 |cstrncpy_#t~post7.offset|) (<= (+ |cstrncpy_#t~post7.offset| 1) (select |#length| |cstrncpy_#t~post7.base|)))] [2018-04-12 02:37:33,496 INFO 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 02:37:33,496 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-12 02:37:33,496 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-12 02:37:33,497 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2018-04-12 02:37:33,497 INFO L87 Difference]: Start difference. First operand 105 states and 117 transitions. Second operand 12 states. [2018-04-12 02:37:33,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:37:33,732 INFO L93 Difference]: Finished difference Result 121 states and 135 transitions. [2018-04-12 02:37:33,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-12 02:37:33,732 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 24 [2018-04-12 02:37:33,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:37:33,733 INFO L225 Difference]: With dead ends: 121 [2018-04-12 02:37:33,733 INFO L226 Difference]: Without dead ends: 121 [2018-04-12 02:37:33,733 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2018-04-12 02:37:33,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-04-12 02:37:33,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 113. [2018-04-12 02:37:33,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-04-12 02:37:33,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 127 transitions. [2018-04-12 02:37:33,738 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 127 transitions. Word has length 24 [2018-04-12 02:37:33,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:37:33,738 INFO L459 AbstractCegarLoop]: Abstraction has 113 states and 127 transitions. [2018-04-12 02:37:33,738 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-12 02:37:33,738 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 127 transitions. [2018-04-12 02:37:33,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-12 02:37:33,739 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:37:33,739 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] [2018-04-12 02:37:33,739 INFO L408 AbstractCegarLoop]: === Iteration 13 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:37:33,739 INFO L82 PathProgramCache]: Analyzing trace with hash -431386979, now seen corresponding path program 1 times [2018-04-12 02:37:33,740 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:37:33,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:37:33,749 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:37:33,835 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 02:37:33,835 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 02:37:33,835 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-04-12 02:37:33,835 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:37:33,835 INFO 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 02:37:33,835 INFO L182 omatonBuilderFactory]: Interpolants [1941#true, 1942#false, 1943#(and (= 0 |main_#t~malloc10.offset|) (= main_~n~0 (select |#length| |main_#t~malloc10.base|)) (= (select |#valid| |main_#t~malloc10.base|) 1)), 1944#(and (= main_~n~0 (select |#length| main_~nondetArea~0.base)) (= (select |#valid| main_~nondetArea~0.base) 1) (= 0 main_~nondetArea~0.offset)), 1945#(and (= main_~n~0 (select |#length| main_~nondetArea~0.base)) (= 0 main_~nondetArea~0.offset)), 1946#(and (<= |cstrncpy_#in~n| (select |#length| |cstrncpy_#in~s1.base|)) (= 0 |cstrncpy_#in~s1.offset|)), 1947#(and (= 0 cstrncpy_~dst~0.offset) (<= cstrncpy_~n (select |#length| cstrncpy_~dst~0.base))), 1948#(and (= |cstrncpy_#t~post3.base| cstrncpy_~dst~0.base) (<= (+ |cstrncpy_#t~post3.offset| 1) cstrncpy_~dst~0.offset) (= |cstrncpy_#t~post3.offset| 0) (<= (+ cstrncpy_~dst~0.offset cstrncpy_~n) (+ |cstrncpy_#t~post3.offset| (select |#length| |cstrncpy_#t~post3.base|)))), 1949#(and (<= (+ cstrncpy_~dst~0.offset cstrncpy_~n) (select |#length| cstrncpy_~dst~0.base)) (<= 1 cstrncpy_~dst~0.offset)), 1950#(and (<= (+ |cstrncpy_#t~post3.offset| 1) (select |#length| |cstrncpy_#t~post3.base|)) (<= 1 |cstrncpy_#t~post3.offset|))] [2018-04-12 02:37:33,835 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 02:37:33,836 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-12 02:37:33,836 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-12 02:37:33,836 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-04-12 02:37:33,836 INFO L87 Difference]: Start difference. First operand 113 states and 127 transitions. Second operand 10 states. [2018-04-12 02:37:33,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:37:33,962 INFO L93 Difference]: Finished difference Result 118 states and 132 transitions. [2018-04-12 02:37:33,962 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-12 02:37:33,962 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 24 [2018-04-12 02:37:33,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:37:33,963 INFO L225 Difference]: With dead ends: 118 [2018-04-12 02:37:33,963 INFO L226 Difference]: Without dead ends: 118 [2018-04-12 02:37:33,963 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2018-04-12 02:37:33,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2018-04-12 02:37:33,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 112. [2018-04-12 02:37:33,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-04-12 02:37:33,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 126 transitions. [2018-04-12 02:37:33,967 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 126 transitions. Word has length 24 [2018-04-12 02:37:33,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:37:33,967 INFO L459 AbstractCegarLoop]: Abstraction has 112 states and 126 transitions. [2018-04-12 02:37:33,967 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-12 02:37:33,967 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 126 transitions. [2018-04-12 02:37:33,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-04-12 02:37:33,968 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:37:33,968 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 02:37:33,968 INFO L408 AbstractCegarLoop]: === Iteration 14 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:37:33,968 INFO L82 PathProgramCache]: Analyzing trace with hash 675191908, now seen corresponding path program 1 times [2018-04-12 02:37:33,969 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:37:33,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:37:33,973 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:37:33,992 INFO 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 02:37:33,992 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:37:33,992 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 02:37:33,992 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:37:33,992 INFO 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 02:37:33,993 INFO L182 omatonBuilderFactory]: Interpolants [2192#false, 2193#(<= 1 main_~n~0), 2194#(= cstrncpy_~n |cstrncpy_#in~n|), 2195#(<= |cstrncpy_#in~n| 0), 2191#true] [2018-04-12 02:37:33,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:37:33,993 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 02:37:33,993 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 02:37:33,993 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-12 02:37:33,993 INFO L87 Difference]: Start difference. First operand 112 states and 126 transitions. Second operand 5 states. [2018-04-12 02:37:34,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:37:34,007 INFO L93 Difference]: Finished difference Result 118 states and 130 transitions. [2018-04-12 02:37:34,007 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 02:37:34,007 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2018-04-12 02:37:34,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:37:34,008 INFO L225 Difference]: With dead ends: 118 [2018-04-12 02:37:34,008 INFO L226 Difference]: Without dead ends: 112 [2018-04-12 02:37:34,008 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 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 02:37:34,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2018-04-12 02:37:34,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2018-04-12 02:37:34,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-04-12 02:37:34,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 124 transitions. [2018-04-12 02:37:34,011 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 124 transitions. Word has length 26 [2018-04-12 02:37:34,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:37:34,011 INFO L459 AbstractCegarLoop]: Abstraction has 112 states and 124 transitions. [2018-04-12 02:37:34,011 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 02:37:34,011 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 124 transitions. [2018-04-12 02:37:34,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-12 02:37:34,012 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:37:34,012 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:37:34,012 INFO L408 AbstractCegarLoop]: === Iteration 15 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:37:34,013 INFO L82 PathProgramCache]: Analyzing trace with hash 1936618715, now seen corresponding path program 2 times [2018-04-12 02:37:34,013 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:37:34,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:37:34,023 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:37:34,302 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:37:34,302 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 02:37:34,302 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-04-12 02:37:34,302 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:37:34,303 INFO 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 02:37:34,303 INFO L182 omatonBuilderFactory]: Interpolants [2432#(and (= main_~length~0 (select |#length| |main_#t~malloc11.base|)) (= 0 |main_#t~malloc11.offset|) (not (= main_~nondetArea~0.base |main_#t~malloc11.base|))), 2433#(and (or (= main_~length~0 (select |#length| main_~nondetString~0.base)) (= (+ main_~nondetString~0.offset main_~length~0) 2)) (= 0 main_~nondetString~0.offset) (or (not (= main_~nondetArea~0.base main_~nondetString~0.base)) (not (= (+ main_~nondetString~0.offset main_~length~0) 2)))), 2434#(and (or (<= (+ main_~nondetString~0.offset (select |#length| main_~nondetString~0.base)) 1) (and (not (= main_~nondetArea~0.base main_~nondetString~0.base)) (= 0 (select (select |#memory_int| main_~nondetString~0.base) 1))) (<= 3 (+ main_~nondetString~0.offset (select |#length| main_~nondetString~0.base)))) (= 0 main_~nondetString~0.offset)), 2435#(and (or (<= (select |#length| |cstrncpy_#in~s2.base|) 1) (and (not (= |cstrncpy_#in~s1.base| |cstrncpy_#in~s2.base|)) (= 0 (select (select |#memory_int| |cstrncpy_#in~s2.base|) 1))) (<= 3 (select |#length| |cstrncpy_#in~s2.base|))) (= 0 |cstrncpy_#in~s2.offset|)), 2436#(and (= 0 cstrncpy_~src~0.offset) (or (and (not (= cstrncpy_~dst~0.base cstrncpy_~src~0.base)) (= 0 (select (select |#memory_int| cstrncpy_~src~0.base) 1))) (<= (select |#length| cstrncpy_~src~0.base) 1) (<= 3 (select |#length| cstrncpy_~src~0.base)))), 2437#(and (or (and (= 0 (select (select |#memory_int| |cstrncpy_#t~post4.base|) 1)) (not (= |cstrncpy_#t~post4.base| |cstrncpy_#t~post3.base|)) (<= cstrncpy_~src~0.offset (+ |cstrncpy_#t~post4.offset| 1)) (= |cstrncpy_#t~post4.base| cstrncpy_~src~0.base)) (and (or (<= (+ (select |#length| |cstrncpy_#t~post4.base|) |cstrncpy_#t~post4.offset|) cstrncpy_~src~0.offset) (<= (+ cstrncpy_~src~0.offset 2) (+ (select |#length| |cstrncpy_#t~post4.base|) |cstrncpy_#t~post4.offset|))) (= |cstrncpy_#t~post4.base| cstrncpy_~src~0.base))) (= |cstrncpy_#t~post4.offset| 0) (<= (+ |cstrncpy_#t~post4.offset| 1) cstrncpy_~src~0.offset)), 2438#(and (<= 1 cstrncpy_~src~0.offset) (or (<= (select |#length| cstrncpy_~src~0.base) cstrncpy_~src~0.offset) (<= (+ cstrncpy_~src~0.offset 2) (select |#length| cstrncpy_~src~0.base)) (and (not (= |cstrncpy_#t~post3.base| cstrncpy_~src~0.base)) (<= cstrncpy_~src~0.offset 1) (= 0 (select (select |#memory_int| cstrncpy_~src~0.base) 1))))), 2439#(and (<= 1 cstrncpy_~src~0.offset) (or (<= (select |#length| cstrncpy_~src~0.base) cstrncpy_~src~0.offset) (<= (+ cstrncpy_~src~0.offset 2) (select |#length| cstrncpy_~src~0.base)) (and (<= cstrncpy_~src~0.offset 1) (= 0 (select (select |#memory_int| cstrncpy_~src~0.base) 1))))), 2440#(and (or (and (= 1 |cstrncpy_#t~post4.offset|) (= 0 (select (select |#memory_int| |cstrncpy_#t~post4.base|) |cstrncpy_#t~post4.offset|))) (<= (+ cstrncpy_~src~0.offset 1) (select |#length| cstrncpy_~src~0.base)) (<= (select |#length| |cstrncpy_#t~post4.base|) |cstrncpy_#t~post4.offset|)) (<= 2 cstrncpy_~src~0.offset)), 2441#(and (<= 2 cstrncpy_~src~0.offset) (or (= 0 |cstrncpy_#t~mem5|) (<= (+ cstrncpy_~src~0.offset 1) (select |#length| cstrncpy_~src~0.base)))), 2442#(and (<= 2 cstrncpy_~src~0.offset) (<= (+ cstrncpy_~src~0.offset 1) (select |#length| cstrncpy_~src~0.base))), 2443#(and (<= (+ |cstrncpy_#t~post4.offset| 1) (select |#length| |cstrncpy_#t~post4.base|)) (<= 2 |cstrncpy_#t~post4.offset|)), 2428#true, 2429#false, 2430#(= (select |#valid| |main_#t~malloc10.base|) 1), 2431#(= (select |#valid| main_~nondetArea~0.base) 1)] [2018-04-12 02:37:34,303 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:37:34,303 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-12 02:37:34,303 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-12 02:37:34,303 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2018-04-12 02:37:34,303 INFO L87 Difference]: Start difference. First operand 112 states and 124 transitions. Second operand 16 states. [2018-04-12 02:37:34,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:37:34,683 INFO L93 Difference]: Finished difference Result 135 states and 152 transitions. [2018-04-12 02:37:34,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-04-12 02:37:34,683 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 28 [2018-04-12 02:37:34,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:37:34,684 INFO L225 Difference]: With dead ends: 135 [2018-04-12 02:37:34,684 INFO L226 Difference]: Without dead ends: 135 [2018-04-12 02:37:34,684 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=83, Invalid=469, Unknown=0, NotChecked=0, Total=552 [2018-04-12 02:37:34,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-04-12 02:37:34,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 117. [2018-04-12 02:37:34,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-04-12 02:37:34,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 131 transitions. [2018-04-12 02:37:34,687 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 131 transitions. Word has length 28 [2018-04-12 02:37:34,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:37:34,687 INFO L459 AbstractCegarLoop]: Abstraction has 117 states and 131 transitions. [2018-04-12 02:37:34,687 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-12 02:37:34,687 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 131 transitions. [2018-04-12 02:37:34,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-04-12 02:37:34,687 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:37:34,687 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] [2018-04-12 02:37:34,687 INFO L408 AbstractCegarLoop]: === Iteration 16 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:37:34,688 INFO L82 PathProgramCache]: Analyzing trace with hash 1902193704, now seen corresponding path program 1 times [2018-04-12 02:37:34,688 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:37:34,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:37:34,693 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:37:34,855 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 02:37:34,855 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 02:37:34,855 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-04-12 02:37:34,855 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:37:34,856 INFO 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 02:37:34,856 INFO L182 omatonBuilderFactory]: Interpolants [2720#(and (<= (select |#length| cstrncpy_~dst~0.base) (+ cstrncpy_~dst~0.offset cstrncpy_~n)) (<= (+ cstrncpy_~dst~0.offset cstrncpy_~n) (select |#length| cstrncpy_~dst~0.base)) (<= 1 cstrncpy_~dst~0.offset)), 2721#(and (<= 1 cstrncpy_~us~0.offset) (<= (+ cstrncpy_~us~0.offset cstrncpy_~n2~0) (select |#length| cstrncpy_~us~0.base)) (<= (select |#length| cstrncpy_~us~0.base) (+ cstrncpy_~us~0.offset cstrncpy_~n2~0))), 2722#(and (<= 1 cstrncpy_~us~0.offset) (<= (+ cstrncpy_~us~0.offset cstrncpy_~n2~0 1) (select |#length| cstrncpy_~us~0.base)) (<= (select |#length| cstrncpy_~us~0.base) (+ cstrncpy_~us~0.offset cstrncpy_~n2~0 1))), 2723#(and (<= (select |#length| |cstrncpy_#t~post7.base|) (+ |cstrncpy_#t~post7.offset| cstrncpy_~n2~0 1)) (<= 2 cstrncpy_~us~0.offset) (<= (+ cstrncpy_~us~0.offset cstrncpy_~n2~0) (select |#length| |cstrncpy_#t~post7.base|)) (= |cstrncpy_#t~post7.base| cstrncpy_~us~0.base)), 2724#(and (<= 2 cstrncpy_~us~0.offset) (<= (+ cstrncpy_~us~0.offset cstrncpy_~n2~0) (select |#length| cstrncpy_~us~0.base)) (<= 0 cstrncpy_~n2~0)), 2725#(and (<= 2 cstrncpy_~us~0.offset) (or (<= |cstrncpy_#t~post6| 0) (<= (+ cstrncpy_~us~0.offset |cstrncpy_#t~post6|) (select |#length| cstrncpy_~us~0.base))) (<= 0 |cstrncpy_#t~post6|)), 2726#(and (<= 2 |cstrncpy_#t~post7.offset|) (<= (+ |cstrncpy_#t~post7.offset| 1) (select |#length| |cstrncpy_#t~post7.base|))), 2712#true, 2713#false, 2714#(and (= 0 |main_#t~malloc10.offset|) (= main_~n~0 (select |#length| |main_#t~malloc10.base|)) (= (select |#valid| |main_#t~malloc10.base|) 1)), 2715#(and (= main_~n~0 (select |#length| main_~nondetArea~0.base)) (= (select |#valid| main_~nondetArea~0.base) 1) (= 0 main_~nondetArea~0.offset)), 2716#(and (= main_~n~0 (select |#length| main_~nondetArea~0.base)) (= 0 main_~nondetArea~0.offset)), 2717#(and (<= (select |#length| |cstrncpy_#in~s1.base|) |cstrncpy_#in~n|) (<= |cstrncpy_#in~n| (select |#length| |cstrncpy_#in~s1.base|)) (= 0 |cstrncpy_#in~s1.offset|)), 2718#(and (= 0 cstrncpy_~dst~0.offset) (<= (select |#length| cstrncpy_~dst~0.base) cstrncpy_~n) (<= cstrncpy_~n (select |#length| cstrncpy_~dst~0.base))), 2719#(and (= |cstrncpy_#t~post3.base| cstrncpy_~dst~0.base) (<= (+ |cstrncpy_#t~post3.offset| 1) cstrncpy_~dst~0.offset) (= |cstrncpy_#t~post3.offset| 0) (<= (+ cstrncpy_~dst~0.offset cstrncpy_~n) (+ |cstrncpy_#t~post3.offset| (select |#length| |cstrncpy_#t~post3.base|))) (<= (+ |cstrncpy_#t~post3.offset| (select |#length| |cstrncpy_#t~post3.base|)) (+ cstrncpy_~dst~0.offset cstrncpy_~n)))] [2018-04-12 02:37:34,856 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 02:37:34,856 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-12 02:37:34,856 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-12 02:37:34,856 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2018-04-12 02:37:34,857 INFO L87 Difference]: Start difference. First operand 117 states and 131 transitions. Second operand 15 states. [2018-04-12 02:37:35,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:37:35,316 INFO L93 Difference]: Finished difference Result 124 states and 137 transitions. [2018-04-12 02:37:35,316 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-12 02:37:35,316 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 29 [2018-04-12 02:37:35,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:37:35,317 INFO L225 Difference]: With dead ends: 124 [2018-04-12 02:37:35,317 INFO L226 Difference]: Without dead ends: 124 [2018-04-12 02:37:35,318 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=108, Invalid=542, Unknown=0, NotChecked=0, Total=650 [2018-04-12 02:37:35,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-04-12 02:37:35,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 108. [2018-04-12 02:37:35,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-04-12 02:37:35,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 119 transitions. [2018-04-12 02:37:35,321 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 119 transitions. Word has length 29 [2018-04-12 02:37:35,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:37:35,321 INFO L459 AbstractCegarLoop]: Abstraction has 108 states and 119 transitions. [2018-04-12 02:37:35,321 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-12 02:37:35,322 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 119 transitions. [2018-04-12 02:37:35,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-04-12 02:37:35,322 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:37:35,322 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:37:35,322 INFO L408 AbstractCegarLoop]: === Iteration 17 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:37:35,322 INFO L82 PathProgramCache]: Analyzing trace with hash 1749994402, now seen corresponding path program 1 times [2018-04-12 02:37:35,323 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:37:35,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:37:35,328 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:37:35,396 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 02:37:35,397 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:37:35,397 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 02:37:35,397 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:37:35,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:37:35,397 INFO L182 omatonBuilderFactory]: Interpolants [2981#true, 2982#false, 2983#(= |#valid| |old(#valid)|), 2984#(and (= |old(#valid)| (store |#valid| |main_#t~malloc10.base| 0)) (= (select |#valid| |main_#t~malloc10.base|) 1)), 2985#(and (= (store (store |#valid| |main_#t~malloc11.base| 0) |main_#t~malloc10.base| 0) |old(#valid)|) (not (= |main_#t~malloc10.base| |main_#t~malloc11.base|))), 2986#(= |old(#valid)| (store |#valid| |main_#t~malloc11.base| 0))] [2018-04-12 02:37:35,397 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 02:37:35,397 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 02:37:35,397 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 02:37:35,398 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-12 02:37:35,398 INFO L87 Difference]: Start difference. First operand 108 states and 119 transitions. Second operand 6 states. [2018-04-12 02:37:35,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:37:35,482 INFO L93 Difference]: Finished difference Result 107 states and 118 transitions. [2018-04-12 02:37:35,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-12 02:37:35,482 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2018-04-12 02:37:35,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:37:35,482 INFO L225 Difference]: With dead ends: 107 [2018-04-12 02:37:35,482 INFO L226 Difference]: Without dead ends: 34 [2018-04-12 02:37:35,482 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 02:37:35,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-04-12 02:37:35,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2018-04-12 02:37:35,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-04-12 02:37:35,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 34 transitions. [2018-04-12 02:37:35,483 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 34 transitions. Word has length 31 [2018-04-12 02:37:35,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:37:35,484 INFO L459 AbstractCegarLoop]: Abstraction has 34 states and 34 transitions. [2018-04-12 02:37:35,484 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 02:37:35,484 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 34 transitions. [2018-04-12 02:37:35,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-04-12 02:37:35,484 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:37:35,484 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:37:35,484 INFO L408 AbstractCegarLoop]: === Iteration 18 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:37:35,484 INFO L82 PathProgramCache]: Analyzing trace with hash -422117991, now seen corresponding path program 3 times [2018-04-12 02:37:35,485 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:37:35,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:37:35,497 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:37:35,684 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 02:37:35,684 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 02:37:35,684 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-04-12 02:37:35,685 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:37:35,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:37:35,685 INFO L182 omatonBuilderFactory]: Interpolants [3136#(and (= main_~length~0 (select |#length| |main_#t~malloc11.base|)) (= 0 |main_#t~malloc11.offset|) (not (= main_~nondetArea~0.base |main_#t~malloc11.base|))), 3137#(and (= main_~length~0 (select |#length| main_~nondetString~0.base)) (not (= main_~nondetArea~0.base main_~nondetString~0.base)) (= main_~nondetString~0.offset 0)), 3138#(and (not (= main_~nondetArea~0.base main_~nondetString~0.base)) (= main_~nondetString~0.offset 0) (= 0 (select (select |#memory_int| main_~nondetString~0.base) (+ (select |#length| main_~nondetString~0.base) (+ main_~nondetString~0.offset (- 1)))))), 3139#(and (= 0 (select (select |#memory_int| |cstrncpy_#in~s2.base|) (+ (select |#length| |cstrncpy_#in~s2.base|) (- 1)))) (not (= |cstrncpy_#in~s1.base| |cstrncpy_#in~s2.base|))), 3140#(and (not (= cstrncpy_~dst~0.base cstrncpy_~src~0.base)) (= 0 (select (select |#memory_int| cstrncpy_~src~0.base) (+ (select |#length| cstrncpy_~src~0.base) (- 1))))), 3141#(and (not (= |cstrncpy_#t~post4.base| |cstrncpy_#t~post3.base|)) (not (= cstrncpy_~src~0.base cstrncpy_~dst~0.base)) (= 0 (select (select |#memory_int| |cstrncpy_#t~post4.base|) (+ (select |#length| |cstrncpy_#t~post4.base|) (- 1)))) (= |cstrncpy_#t~post4.base| cstrncpy_~src~0.base)), 3142#(and (not (= cstrncpy_~src~0.base cstrncpy_~dst~0.base)) (not (= |cstrncpy_#t~post3.base| cstrncpy_~src~0.base)) (= 0 (select (select |#memory_int| cstrncpy_~src~0.base) (+ (select |#length| cstrncpy_~src~0.base) (- 1))))), 3143#(and (not (= |cstrncpy_#t~post4.base| |cstrncpy_#t~post3.base|)) (= 0 (select (select |#memory_int| |cstrncpy_#t~post4.base|) (+ (select |#length| cstrncpy_~src~0.base) (- 1)))) (= |cstrncpy_#t~post4.base| cstrncpy_~src~0.base)), 3144#(and (not (= |cstrncpy_#t~post3.base| cstrncpy_~src~0.base)) (= 0 (select (select |#memory_int| cstrncpy_~src~0.base) (+ (select |#length| cstrncpy_~src~0.base) (- 1))))), 3145#(= 0 (select (select |#memory_int| cstrncpy_~src~0.base) (+ (select |#length| cstrncpy_~src~0.base) (- 1)))), 3146#(or (and (or (<= (+ cstrncpy_~src~0.offset 1) (select |#length| cstrncpy_~src~0.base)) (<= (select |#length| |cstrncpy_#t~post4.base|) |cstrncpy_#t~post4.offset|)) (<= (+ |cstrncpy_#t~post4.offset| 1) cstrncpy_~src~0.offset)) (= 0 (select (select |#memory_int| |cstrncpy_#t~post4.base|) |cstrncpy_#t~post4.offset|))), 3147#(or (= 0 |cstrncpy_#t~mem5|) (and (<= (+ cstrncpy_~src~0.offset 1) (select |#length| cstrncpy_~src~0.base)) (<= 1 cstrncpy_~src~0.offset))), 3148#(and (<= (+ cstrncpy_~src~0.offset 1) (select |#length| cstrncpy_~src~0.base)) (<= 1 cstrncpy_~src~0.offset)), 3149#(and (<= (+ |cstrncpy_#t~post4.offset| 1) (select |#length| |cstrncpy_#t~post4.base|)) (<= 1 |cstrncpy_#t~post4.offset|)), 3132#true, 3133#false, 3134#(= (select |#valid| |main_#t~malloc10.base|) 1), 3135#(= (select |#valid| main_~nondetArea~0.base) 1)] [2018-04-12 02:37:35,685 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 02:37:35,685 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-12 02:37:35,685 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-12 02:37:35,685 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2018-04-12 02:37:35,686 INFO L87 Difference]: Start difference. First operand 34 states and 34 transitions. Second operand 18 states. [2018-04-12 02:37:35,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:37:35,961 INFO L93 Difference]: Finished difference Result 33 states and 33 transitions. [2018-04-12 02:37:35,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-12 02:37:35,961 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 33 [2018-04-12 02:37:35,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:37:35,961 INFO L225 Difference]: With dead ends: 33 [2018-04-12 02:37:35,961 INFO L226 Difference]: Without dead ends: 0 [2018-04-12 02:37:35,962 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=143, Invalid=669, Unknown=0, NotChecked=0, Total=812 [2018-04-12 02:37:35,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-12 02:37:35,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-12 02:37:35,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-12 02:37:35,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-12 02:37:35,962 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2018-04-12 02:37:35,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:37:35,962 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-12 02:37:35,962 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-12 02:37:35,962 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-12 02:37:35,962 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-12 02:37:35,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.04 02:37:35 BoogieIcfgContainer [2018-04-12 02:37:35,966 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-12 02:37:35,966 INFO L168 Benchmark]: Toolchain (without parser) took 5308.51 ms. Allocated memory was 347.6 MB in the beginning and 616.0 MB in the end (delta: 268.4 MB). Free memory was 289.4 MB in the beginning and 414.3 MB in the end (delta: -124.9 MB). Peak memory consumption was 143.5 MB. Max. memory is 5.3 GB. [2018-04-12 02:37:35,967 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 347.6 MB. Free memory is still 317.2 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-12 02:37:35,967 INFO L168 Benchmark]: CACSL2BoogieTranslator took 243.14 ms. Allocated memory is still 347.6 MB. Free memory was 288.7 MB in the beginning and 264.3 MB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 5.3 GB. [2018-04-12 02:37:35,968 INFO L168 Benchmark]: Boogie Preprocessor took 39.47 ms. Allocated memory is still 347.6 MB. Free memory was 264.3 MB in the beginning and 261.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-12 02:37:35,968 INFO L168 Benchmark]: RCFGBuilder took 361.91 ms. Allocated memory was 347.6 MB in the beginning and 476.1 MB in the end (delta: 128.5 MB). Free memory was 261.6 MB in the beginning and 411.2 MB in the end (delta: -149.6 MB). Peak memory consumption was 33.9 MB. Max. memory is 5.3 GB. [2018-04-12 02:37:35,968 INFO L168 Benchmark]: TraceAbstraction took 4660.82 ms. Allocated memory was 476.1 MB in the beginning and 616.0 MB in the end (delta: 140.0 MB). Free memory was 411.2 MB in the beginning and 414.3 MB in the end (delta: -3.1 MB). Peak memory consumption was 136.9 MB. Max. memory is 5.3 GB. [2018-04-12 02:37:35,970 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 347.6 MB. Free memory is still 317.2 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 243.14 ms. Allocated memory is still 347.6 MB. Free memory was 288.7 MB in the beginning and 264.3 MB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 39.47 ms. Allocated memory is still 347.6 MB. Free memory was 264.3 MB in the beginning and 261.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 361.91 ms. Allocated memory was 347.6 MB in the beginning and 476.1 MB in the end (delta: 128.5 MB). Free memory was 261.6 MB in the beginning and 411.2 MB in the end (delta: -149.6 MB). Peak memory consumption was 33.9 MB. Max. memory is 5.3 GB. * TraceAbstraction took 4660.82 ms. Allocated memory was 476.1 MB in the beginning and 616.0 MB in the end (delta: 140.0 MB). Free memory was 411.2 MB in the beginning and 414.3 MB in the end (delta: -3.1 MB). Peak memory consumption was 136.9 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 552]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 552]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: 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: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 569]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 558]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 569]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 9 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 52 locations, 9 error locations. SAFE Result, 4.6s OverallTime, 18 OverallIterations, 4 TraceHistogramMax, 2.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 610 SDtfs, 709 SDslu, 2733 SDs, 0 SdLazy, 1993 SolverSat, 178 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 235 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 209 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 357 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=117occurred in iteration=15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 10/54 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, 18 MinimizatonAttempts, 153 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 412 NumberOfCodeBlocks, 412 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 394 ConstructedInterpolants, 0 QuantifiedInterpolants, 64995 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 13 PerfectInterpolantSequences, 10/54 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/cstrncpy-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-12_02-37-35-975.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrncpy-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-12_02-37-35-975.csv Received shutdown request...