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_Camel.epf -i ../../../trunk/examples/svcomp/array-memsafety/cstrcpy-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-408c70d-m [2018-04-12 10:17:07,405 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-12 10:17:07,406 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-12 10:17:07,416 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-12 10:17:07,416 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-12 10:17:07,417 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-12 10:17:07,417 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-12 10:17:07,418 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-12 10:17:07,420 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-12 10:17:07,420 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-12 10:17:07,421 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-12 10:17:07,421 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-12 10:17:07,422 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-12 10:17:07,423 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-12 10:17:07,424 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-12 10:17:07,426 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-12 10:17:07,427 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-12 10:17:07,428 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-12 10:17:07,429 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-12 10:17:07,430 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-12 10:17:07,432 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-04-12 10:17:07,437 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf [2018-04-12 10:17:07,446 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-12 10:17:07,446 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-12 10:17:07,447 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-12 10:17:07,447 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-12 10:17:07,447 INFO L133 SettingsManager]: * Use SBE=true [2018-04-12 10:17:07,447 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-12 10:17:07,447 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-12 10:17:07,447 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-12 10:17:07,447 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-12 10:17:07,448 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-12 10:17:07,448 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-12 10:17:07,448 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-12 10:17:07,448 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-12 10:17:07,448 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-12 10:17:07,448 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-12 10:17:07,448 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-12 10:17:07,449 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-12 10:17:07,449 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-12 10:17:07,449 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-12 10:17:07,449 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-12 10:17:07,449 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-12 10:17:07,449 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-12 10:17:07,449 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-12 10:17:07,450 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-12 10:17:07,476 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-12 10:17:07,484 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-12 10:17:07,486 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-12 10:17:07,487 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-12 10:17:07,488 INFO L276 PluginConnector]: CDTParser initialized [2018-04-12 10:17:07,488 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,758 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGf527ce1d2 [2018-04-12 10:17:07,879 INFO L287 CDTParser]: IsIndexed: true [2018-04-12 10:17:07,879 INFO L288 CDTParser]: Found 1 translation units. [2018-04-12 10:17:07,879 INFO L168 CDTParser]: Scanning cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,886 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-12 10:17:07,886 INFO L215 ultiparseSymbolTable]: [2018-04-12 10:17:07,886 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-12 10:17:07,886 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,887 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i____bswap_32 ('__bswap_32') in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,887 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i____bswap_64 ('__bswap_64') in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,887 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__ ('') in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,887 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-12 10:17:07,887 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__ino_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,887 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__pid_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,887 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i____socklen_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,887 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__u_int64_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,887 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__fsfilcnt_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,887 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i____ssize_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,887 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__ldiv_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,888 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__int8_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,888 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__gid_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,888 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__off_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,888 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i____time_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,888 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i____timer_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,888 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i____intptr_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,888 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__u_short in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,888 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i____mode_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,888 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i____fsfilcnt_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,888 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_mutexattr_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,888 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__key_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,889 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__caddr_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,889 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i____fsword_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,889 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__timer_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,889 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i____int8_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,889 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__ssize_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,889 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i____uid_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,889 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i____nlink_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,889 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i____sig_atomic_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,889 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i____blkcnt64_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,889 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__mode_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,889 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i____uint64_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,890 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i____u_short in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,890 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__int32_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,890 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_rwlock_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,890 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i____u_int in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,890 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i____int64_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,890 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__loff_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,890 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_key_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,890 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__nlink_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,890 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__uint in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,890 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i____clock_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,890 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__dev_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,891 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i____qaddr_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,891 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i____rlim64_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,891 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_condattr_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,891 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i____daddr_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,891 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i____blksize_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,891 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__id_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,891 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i____blkcnt_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,891 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_mutex_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,891 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__ushort in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,891 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__u_quad_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,891 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i____uint8_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,892 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i____key_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,892 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__time_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,892 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i____syscall_slong_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,892 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i____fsblkcnt_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,892 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__register_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,892 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_barrierattr_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,892 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i____useconds_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,892 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i____fsfilcnt64_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,892 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__daddr_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,892 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__clock_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,892 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,893 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i____quad_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,893 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i____fsid_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,893 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i____pid_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,893 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i____int16_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,893 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i____ino_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,893 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i____ino64_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,893 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i____u_long in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,893 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i____WAIT_STATUS in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,893 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__sigset_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,893 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i____gid_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,893 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i____uint16_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,893 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__int64_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,893 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__u_int32_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,893 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__fd_mask in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,893 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i____sigset_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,894 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__ulong in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,894 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i____loff_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,894 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__fsid_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,894 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i____caddr_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,894 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__clockid_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,894 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__u_long in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,894 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i____dev_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,894 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i____off_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,894 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__suseconds_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,894 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__fd_set in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,894 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__wchar_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,895 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__uid_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,895 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__lldiv_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,895 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i____uint32_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,895 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i____id_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,895 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i____syscall_ulong_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,895 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,895 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i____u_char in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,895 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__u_int8_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,895 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i____fd_mask in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,895 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i____off64_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,895 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i____suseconds_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,895 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__fsblkcnt_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,895 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i____int32_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,896 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__div_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,896 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__u_int in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,896 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_spinlock_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,896 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__blksize_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,896 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_cond_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,896 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i____fsblkcnt64_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,896 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_once_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,896 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__u_int16_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,896 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__blkcnt_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,896 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__quad_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,896 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__size_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,897 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__u_char in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,897 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i____u_quad_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,897 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_barrier_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,897 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i____clockid_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,897 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__int16_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,897 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i____pthread_list_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,897 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i____rlim_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,897 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_attr_t in cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:07,909 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGf527ce1d2 [2018-04-12 10:17:07,912 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-12 10:17:07,913 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-12 10:17:07,913 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-12 10:17:07,913 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-12 10:17:07,916 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-12 10:17:07,917 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 10:17:07" (1/1) ... [2018-04-12 10:17:07,918 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7da5ed40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:17:07, skipping insertion in model container [2018-04-12 10:17:07,919 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 10:17:07" (1/1) ... [2018-04-12 10:17:07,928 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 10:17:07,947 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 10:17:08,080 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 10:17:08,114 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 10:17:08,120 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-12 10:17:08,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:17:08 WrapperNode [2018-04-12 10:17:08,163 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-12 10:17:08,164 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-12 10:17:08,164 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-12 10:17:08,164 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-12 10:17:08,171 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:17:08" (1/1) ... [2018-04-12 10:17:08,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:17:08" (1/1) ... [2018-04-12 10:17:08,182 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:17:08" (1/1) ... [2018-04-12 10:17:08,182 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:17:08" (1/1) ... [2018-04-12 10:17:08,190 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:17:08" (1/1) ... [2018-04-12 10:17:08,194 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:17:08" (1/1) ... [2018-04-12 10:17:08,196 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:17:08" (1/1) ... [2018-04-12 10:17:08,200 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-12 10:17:08,200 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-12 10:17:08,200 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-12 10:17:08,200 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-12 10:17:08,201 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:17:08" (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 10:17:08,279 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-12 10:17:08,279 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-12 10:17:08,279 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-12 10:17:08,279 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-12 10:17:08,279 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrcpy [2018-04-12 10:17:08,279 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-12 10:17:08,279 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-12 10:17:08,279 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrcpy_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-12 10:17:08,279 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-12 10:17:08,280 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-12 10:17:08,280 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-12 10:17:08,280 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-12 10:17:08,280 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-12 10:17:08,280 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-12 10:17:08,280 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-12 10:17:08,280 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-12 10:17:08,280 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-12 10:17:08,280 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-12 10:17:08,280 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-12 10:17:08,281 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-12 10:17:08,281 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-12 10:17:08,281 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-12 10:17:08,281 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-12 10:17:08,281 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-12 10:17:08,281 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-12 10:17:08,281 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-12 10:17:08,281 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-12 10:17:08,281 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-12 10:17:08,281 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-12 10:17:08,281 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-12 10:17:08,282 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-12 10:17:08,282 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-12 10:17:08,282 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-12 10:17:08,282 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-12 10:17:08,282 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-12 10:17:08,282 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-12 10:17:08,282 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-12 10:17:08,282 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-12 10:17:08,282 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-12 10:17:08,283 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-12 10:17:08,283 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-12 10:17:08,283 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-12 10:17:08,283 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-12 10:17:08,283 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-12 10:17:08,283 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-12 10:17:08,283 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-12 10:17:08,283 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-12 10:17:08,283 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-12 10:17:08,283 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-12 10:17:08,284 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-12 10:17:08,284 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-12 10:17:08,284 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-12 10:17:08,284 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-12 10:17:08,284 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-12 10:17:08,284 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-12 10:17:08,284 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-12 10:17:08,284 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-12 10:17:08,284 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-12 10:17:08,284 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-12 10:17:08,285 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-12 10:17:08,285 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-12 10:17:08,285 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-12 10:17:08,285 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-12 10:17:08,285 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-12 10:17:08,285 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-12 10:17:08,285 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-12 10:17:08,285 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-12 10:17:08,285 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-12 10:17:08,285 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-12 10:17:08,286 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-12 10:17:08,286 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-12 10:17:08,286 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-12 10:17:08,286 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-12 10:17:08,286 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-12 10:17:08,286 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-12 10:17:08,286 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-12 10:17:08,286 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-12 10:17:08,286 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-12 10:17:08,286 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-12 10:17:08,286 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-12 10:17:08,287 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-12 10:17:08,287 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-12 10:17:08,287 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-12 10:17:08,287 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-12 10:17:08,287 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-12 10:17:08,287 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-12 10:17:08,287 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-12 10:17:08,287 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-12 10:17:08,287 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-12 10:17:08,287 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-12 10:17:08,288 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-12 10:17:08,288 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-12 10:17:08,288 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-12 10:17:08,288 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-12 10:17:08,288 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-12 10:17:08,288 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-12 10:17:08,288 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-12 10:17:08,288 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-12 10:17:08,288 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-12 10:17:08,288 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-12 10:17:08,288 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-12 10:17:08,289 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-12 10:17:08,289 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-12 10:17:08,289 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-12 10:17:08,289 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-12 10:17:08,289 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-12 10:17:08,289 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-12 10:17:08,289 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-12 10:17:08,289 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-12 10:17:08,289 INFO L128 BoogieDeclarations]: Found specification of procedure cstrcpy [2018-04-12 10:17:08,289 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-12 10:17:08,290 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-12 10:17:08,290 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-12 10:17:08,290 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-12 10:17:08,290 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-12 10:17:08,290 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-12 10:17:08,290 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-12 10:17:08,290 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-12 10:17:08,521 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-12 10:17:08,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 10:17:08 BoogieIcfgContainer [2018-04-12 10:17:08,522 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-12 10:17:08,522 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-12 10:17:08,523 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-12 10:17:08,524 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-12 10:17:08,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.04 10:17:07" (1/3) ... [2018-04-12 10:17:08,525 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cd15d26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 10:17:08, skipping insertion in model container [2018-04-12 10:17:08,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:17:08" (2/3) ... [2018-04-12 10:17:08,525 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cd15d26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 10:17:08, skipping insertion in model container [2018-04-12 10:17:08,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 10:17:08" (3/3) ... [2018-04-12 10:17:08,526 INFO L107 eAbstractionObserver]: Analyzing ICFG cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:08,532 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-12 10:17:08,537 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2018-04-12 10:17:08,559 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-12 10:17:08,559 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-12 10:17:08,559 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-12 10:17:08,559 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-12 10:17:08,559 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-12 10:17:08,559 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-12 10:17:08,559 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-12 10:17:08,559 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-12 10:17:08,560 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-12 10:17:08,560 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-12 10:17:08,567 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states. [2018-04-12 10:17:08,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-04-12 10:17:08,574 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:17:08,575 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:17:08,575 INFO L408 AbstractCegarLoop]: === Iteration 1 === [cstrcpyErr2RequiresViolation, cstrcpyErr3RequiresViolation, cstrcpyErr0RequiresViolation, cstrcpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:17:08,578 INFO L82 PathProgramCache]: Analyzing trace with hash -320034324, now seen corresponding path program 1 times [2018-04-12 10:17:08,579 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:17:08,579 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:17:08,606 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:08,606 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:17:08,606 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:08,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:17:08,636 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:17:08,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:17:08,668 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:17:08,668 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 10:17:08,669 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 10:17:08,681 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 10:17:08,682 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 10:17:08,684 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 4 states. [2018-04-12 10:17:08,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:17:08,724 INFO L93 Difference]: Finished difference Result 44 states and 47 transitions. [2018-04-12 10:17:08,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-12 10:17:08,726 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2018-04-12 10:17:08,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:17:08,731 INFO L225 Difference]: With dead ends: 44 [2018-04-12 10:17:08,731 INFO L226 Difference]: Without dead ends: 40 [2018-04-12 10:17:08,732 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 10:17:08,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-04-12 10:17:08,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 38. [2018-04-12 10:17:08,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-04-12 10:17:08,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 41 transitions. [2018-04-12 10:17:08,751 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 41 transitions. Word has length 10 [2018-04-12 10:17:08,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:17:08,752 INFO L459 AbstractCegarLoop]: Abstraction has 38 states and 41 transitions. [2018-04-12 10:17:08,752 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 10:17:08,752 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 41 transitions. [2018-04-12 10:17:08,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-04-12 10:17:08,752 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:17:08,752 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:17:08,752 INFO L408 AbstractCegarLoop]: === Iteration 2 === [cstrcpyErr2RequiresViolation, cstrcpyErr3RequiresViolation, cstrcpyErr0RequiresViolation, cstrcpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:17:08,752 INFO L82 PathProgramCache]: Analyzing trace with hash -320032402, now seen corresponding path program 1 times [2018-04-12 10:17:08,752 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:17:08,753 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:17:08,753 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:08,753 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:17:08,754 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:08,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:17:08,759 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:17:08,773 INFO 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 10:17:08,773 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:17:08,774 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-04-12 10:17:08,775 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-12 10:17:08,775 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-12 10:17:08,775 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-12 10:17:08,776 INFO L87 Difference]: Start difference. First operand 38 states and 41 transitions. Second operand 3 states. [2018-04-12 10:17:08,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:17:08,799 INFO L93 Difference]: Finished difference Result 39 states and 41 transitions. [2018-04-12 10:17:08,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-12 10:17:08,799 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-04-12 10:17:08,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:17:08,799 INFO L225 Difference]: With dead ends: 39 [2018-04-12 10:17:08,800 INFO L226 Difference]: Without dead ends: 38 [2018-04-12 10:17:08,800 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-12 10:17:08,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-04-12 10:17:08,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 37. [2018-04-12 10:17:08,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-04-12 10:17:08,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 39 transitions. [2018-04-12 10:17:08,802 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 39 transitions. Word has length 10 [2018-04-12 10:17:08,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:17:08,803 INFO L459 AbstractCegarLoop]: Abstraction has 37 states and 39 transitions. [2018-04-12 10:17:08,803 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-12 10:17:08,803 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 39 transitions. [2018-04-12 10:17:08,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-12 10:17:08,803 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:17:08,803 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:17:08,803 INFO L408 AbstractCegarLoop]: === Iteration 3 === [cstrcpyErr2RequiresViolation, cstrcpyErr3RequiresViolation, cstrcpyErr0RequiresViolation, cstrcpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:17:08,803 INFO L82 PathProgramCache]: Analyzing trace with hash -227374400, now seen corresponding path program 1 times [2018-04-12 10:17:08,804 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:17:08,804 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:17:08,804 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:08,805 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:17:08,805 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:08,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:17:08,817 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:17:08,840 INFO 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 10:17:08,841 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:17:08,841 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 10:17:08,841 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 10:17:08,841 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 10:17:08,842 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 10:17:08,842 INFO L87 Difference]: Start difference. First operand 37 states and 39 transitions. Second operand 4 states. [2018-04-12 10:17:08,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:17:08,885 INFO L93 Difference]: Finished difference Result 36 states and 38 transitions. [2018-04-12 10:17:08,885 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-12 10:17:08,885 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-04-12 10:17:08,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:17:08,886 INFO L225 Difference]: With dead ends: 36 [2018-04-12 10:17:08,886 INFO L226 Difference]: Without dead ends: 36 [2018-04-12 10:17:08,886 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 10:17:08,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-04-12 10:17:08,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2018-04-12 10:17:08,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-04-12 10:17:08,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 38 transitions. [2018-04-12 10:17:08,890 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 38 transitions. Word has length 14 [2018-04-12 10:17:08,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:17:08,890 INFO L459 AbstractCegarLoop]: Abstraction has 36 states and 38 transitions. [2018-04-12 10:17:08,890 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 10:17:08,890 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2018-04-12 10:17:08,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-12 10:17:08,891 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:17:08,891 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:17:08,891 INFO L408 AbstractCegarLoop]: === Iteration 4 === [cstrcpyErr2RequiresViolation, cstrcpyErr3RequiresViolation, cstrcpyErr0RequiresViolation, cstrcpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:17:08,891 INFO L82 PathProgramCache]: Analyzing trace with hash -227374399, now seen corresponding path program 1 times [2018-04-12 10:17:08,891 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:17:08,891 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:17:08,892 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:08,892 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:17:08,892 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:08,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:17:08,902 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:17:08,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:17:08,945 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:17:08,945 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 10:17:08,945 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 10:17:08,945 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 10:17:08,945 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 10:17:08,946 INFO L87 Difference]: Start difference. First operand 36 states and 38 transitions. Second operand 5 states. [2018-04-12 10:17:08,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:17:08,969 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2018-04-12 10:17:08,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 10:17:08,969 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-04-12 10:17:08,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:17:08,970 INFO L225 Difference]: With dead ends: 35 [2018-04-12 10:17:08,970 INFO L226 Difference]: Without dead ends: 35 [2018-04-12 10:17:08,970 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 10:17:08,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-04-12 10:17:08,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-04-12 10:17:08,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-04-12 10:17:08,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 37 transitions. [2018-04-12 10:17:08,972 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 37 transitions. Word has length 14 [2018-04-12 10:17:08,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:17:08,972 INFO L459 AbstractCegarLoop]: Abstraction has 35 states and 37 transitions. [2018-04-12 10:17:08,972 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 10:17:08,972 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 37 transitions. [2018-04-12 10:17:08,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-12 10:17:08,973 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:17:08,973 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 10:17:08,973 INFO L408 AbstractCegarLoop]: === Iteration 5 === [cstrcpyErr2RequiresViolation, cstrcpyErr3RequiresViolation, cstrcpyErr0RequiresViolation, cstrcpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:17:08,973 INFO L82 PathProgramCache]: Analyzing trace with hash -1962457945, now seen corresponding path program 1 times [2018-04-12 10:17:08,973 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:17:08,973 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:17:08,974 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:08,974 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:17:08,974 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:08,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:17:08,985 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:17:09,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:17:09,013 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:17:09,014 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 10:17:09,014 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 10:17:09,014 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 10:17:09,014 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-12 10:17:09,014 INFO L87 Difference]: Start difference. First operand 35 states and 37 transitions. Second operand 6 states. [2018-04-12 10:17:09,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:17:09,066 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2018-04-12 10:17:09,066 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 10:17:09,066 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2018-04-12 10:17:09,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:17:09,066 INFO L225 Difference]: With dead ends: 34 [2018-04-12 10:17:09,066 INFO L226 Difference]: Without dead ends: 34 [2018-04-12 10:17:09,067 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 10:17:09,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-04-12 10:17:09,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2018-04-12 10:17:09,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-04-12 10:17:09,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 36 transitions. [2018-04-12 10:17:09,068 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 36 transitions. Word has length 19 [2018-04-12 10:17:09,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:17:09,068 INFO L459 AbstractCegarLoop]: Abstraction has 34 states and 36 transitions. [2018-04-12 10:17:09,068 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 10:17:09,068 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2018-04-12 10:17:09,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-12 10:17:09,069 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:17:09,069 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 10:17:09,069 INFO L408 AbstractCegarLoop]: === Iteration 6 === [cstrcpyErr2RequiresViolation, cstrcpyErr3RequiresViolation, cstrcpyErr0RequiresViolation, cstrcpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:17:09,069 INFO L82 PathProgramCache]: Analyzing trace with hash -1962457944, now seen corresponding path program 1 times [2018-04-12 10:17:09,069 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:17:09,069 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:17:09,070 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:09,070 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:17:09,070 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:09,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:17:09,077 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:17:09,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:17:09,134 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:17:09,134 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-12 10:17:09,135 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-12 10:17:09,135 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-12 10:17:09,135 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-04-12 10:17:09,135 INFO L87 Difference]: Start difference. First operand 34 states and 36 transitions. Second operand 9 states. [2018-04-12 10:17:09,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:17:09,229 INFO L93 Difference]: Finished difference Result 41 states and 44 transitions. [2018-04-12 10:17:09,230 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-12 10:17:09,231 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2018-04-12 10:17:09,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:17:09,231 INFO L225 Difference]: With dead ends: 41 [2018-04-12 10:17:09,231 INFO L226 Difference]: Without dead ends: 41 [2018-04-12 10:17:09,232 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 10:17:09,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-04-12 10:17:09,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 37. [2018-04-12 10:17:09,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-04-12 10:17:09,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 39 transitions. [2018-04-12 10:17:09,234 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 39 transitions. Word has length 19 [2018-04-12 10:17:09,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:17:09,234 INFO L459 AbstractCegarLoop]: Abstraction has 37 states and 39 transitions. [2018-04-12 10:17:09,234 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-12 10:17:09,234 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 39 transitions. [2018-04-12 10:17:09,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-12 10:17:09,235 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:17:09,235 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:17:09,235 INFO L408 AbstractCegarLoop]: === Iteration 7 === [cstrcpyErr2RequiresViolation, cstrcpyErr3RequiresViolation, cstrcpyErr0RequiresViolation, cstrcpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:17:09,235 INFO L82 PathProgramCache]: Analyzing trace with hash -706654171, now seen corresponding path program 1 times [2018-04-12 10:17:09,235 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:17:09,235 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:17:09,236 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:09,236 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:17:09,236 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:09,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:17:09,247 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:17:09,307 INFO 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 10:17:09,307 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:17:09,307 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-12 10:17:09,307 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-12 10:17:09,307 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-12 10:17:09,308 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-04-12 10:17:09,308 INFO L87 Difference]: Start difference. First operand 37 states and 39 transitions. Second operand 9 states. [2018-04-12 10:17:09,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:17:09,377 INFO L93 Difference]: Finished difference Result 36 states and 38 transitions. [2018-04-12 10:17:09,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-12 10:17:09,378 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 20 [2018-04-12 10:17:09,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:17:09,378 INFO L225 Difference]: With dead ends: 36 [2018-04-12 10:17:09,378 INFO L226 Difference]: Without dead ends: 36 [2018-04-12 10:17:09,378 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2018-04-12 10:17:09,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-04-12 10:17:09,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2018-04-12 10:17:09,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-04-12 10:17:09,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 38 transitions. [2018-04-12 10:17:09,380 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 38 transitions. Word has length 20 [2018-04-12 10:17:09,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:17:09,380 INFO L459 AbstractCegarLoop]: Abstraction has 36 states and 38 transitions. [2018-04-12 10:17:09,380 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-12 10:17:09,380 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2018-04-12 10:17:09,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-12 10:17:09,380 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:17:09,381 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:17:09,381 INFO L408 AbstractCegarLoop]: === Iteration 8 === [cstrcpyErr2RequiresViolation, cstrcpyErr3RequiresViolation, cstrcpyErr0RequiresViolation, cstrcpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:17:09,381 INFO L82 PathProgramCache]: Analyzing trace with hash -706654170, now seen corresponding path program 1 times [2018-04-12 10:17:09,381 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:17:09,381 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:17:09,381 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:09,381 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:17:09,381 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:09,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:17:09,390 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:17:09,460 INFO 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 10:17:09,460 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:17:09,460 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-12 10:17:09,460 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-12 10:17:09,460 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-12 10:17:09,461 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-04-12 10:17:09,461 INFO L87 Difference]: Start difference. First operand 36 states and 38 transitions. Second operand 9 states. [2018-04-12 10:17:09,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:17:09,558 INFO L93 Difference]: Finished difference Result 38 states and 41 transitions. [2018-04-12 10:17:09,558 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-12 10:17:09,558 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 20 [2018-04-12 10:17:09,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:17:09,559 INFO L225 Difference]: With dead ends: 38 [2018-04-12 10:17:09,559 INFO L226 Difference]: Without dead ends: 38 [2018-04-12 10:17:09,559 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2018-04-12 10:17:09,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-04-12 10:17:09,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 37. [2018-04-12 10:17:09,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-04-12 10:17:09,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 39 transitions. [2018-04-12 10:17:09,561 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 39 transitions. Word has length 20 [2018-04-12 10:17:09,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:17:09,561 INFO L459 AbstractCegarLoop]: Abstraction has 37 states and 39 transitions. [2018-04-12 10:17:09,561 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-12 10:17:09,561 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 39 transitions. [2018-04-12 10:17:09,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-12 10:17:09,561 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:17:09,562 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:17:09,562 INFO L408 AbstractCegarLoop]: === Iteration 9 === [cstrcpyErr2RequiresViolation, cstrcpyErr3RequiresViolation, cstrcpyErr0RequiresViolation, cstrcpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:17:09,562 INFO L82 PathProgramCache]: Analyzing trace with hash 1723623482, now seen corresponding path program 1 times [2018-04-12 10:17:09,562 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:17:09,562 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:17:09,562 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:09,562 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:17:09,562 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:09,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:17:09,573 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:17:09,638 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 10:17:09,638 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:17:09,638 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-04-12 10:17:09,638 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-12 10:17:09,638 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-12 10:17:09,638 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-04-12 10:17:09,639 INFO L87 Difference]: Start difference. First operand 37 states and 39 transitions. Second operand 10 states. [2018-04-12 10:17:09,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:17:09,730 INFO L93 Difference]: Finished difference Result 60 states and 61 transitions. [2018-04-12 10:17:09,730 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-12 10:17:09,731 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 24 [2018-04-12 10:17:09,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:17:09,731 INFO L225 Difference]: With dead ends: 60 [2018-04-12 10:17:09,731 INFO L226 Difference]: Without dead ends: 60 [2018-04-12 10:17:09,732 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2018-04-12 10:17:09,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-04-12 10:17:09,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 53. [2018-04-12 10:17:09,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-04-12 10:17:09,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 55 transitions. [2018-04-12 10:17:09,735 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 55 transitions. Word has length 24 [2018-04-12 10:17:09,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:17:09,735 INFO L459 AbstractCegarLoop]: Abstraction has 53 states and 55 transitions. [2018-04-12 10:17:09,735 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-12 10:17:09,735 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 55 transitions. [2018-04-12 10:17:09,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-12 10:17:09,736 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:17:09,736 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:17:09,736 INFO L408 AbstractCegarLoop]: === Iteration 10 === [cstrcpyErr2RequiresViolation, cstrcpyErr3RequiresViolation, cstrcpyErr0RequiresViolation, cstrcpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:17:09,736 INFO L82 PathProgramCache]: Analyzing trace with hash 135275580, now seen corresponding path program 1 times [2018-04-12 10:17:09,736 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:17:09,736 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:17:09,737 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:09,737 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:17:09,737 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:09,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:17:09,746 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:17:09,875 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 10:17:09,875 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 10:17:09,875 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 10:17:09,880 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:17:09,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:17:09,907 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 10:17:09,935 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-04-12 10:17:09,937 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-04-12 10:17:09,938 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:17:09,939 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:17:09,944 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 10:17:09,944 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:21 [2018-04-12 10:17:10,022 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-04-12 10:17:10,027 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 13 [2018-04-12 10:17:10,028 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-12 10:17:10,030 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 10:17:10,039 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-12 10:17:10,040 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:38, output treesize:29 [2018-04-12 10:17:10,068 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 10:17:10,085 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 10:17:10,085 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 16 [2018-04-12 10:17:10,086 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-12 10:17:10,086 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-12 10:17:10,086 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2018-04-12 10:17:10,086 INFO L87 Difference]: Start difference. First operand 53 states and 55 transitions. Second operand 17 states. [2018-04-12 10:17:10,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:17:10,430 INFO L93 Difference]: Finished difference Result 60 states and 64 transitions. [2018-04-12 10:17:10,431 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-12 10:17:10,431 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 24 [2018-04-12 10:17:10,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:17:10,433 INFO L225 Difference]: With dead ends: 60 [2018-04-12 10:17:10,433 INFO L226 Difference]: Without dead ends: 60 [2018-04-12 10:17:10,433 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=83, Invalid=469, Unknown=0, NotChecked=0, Total=552 [2018-04-12 10:17:10,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-04-12 10:17:10,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 57. [2018-04-12 10:17:10,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-04-12 10:17:10,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 60 transitions. [2018-04-12 10:17:10,436 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 60 transitions. Word has length 24 [2018-04-12 10:17:10,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:17:10,436 INFO L459 AbstractCegarLoop]: Abstraction has 57 states and 60 transitions. [2018-04-12 10:17:10,436 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-12 10:17:10,436 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 60 transitions. [2018-04-12 10:17:10,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-04-12 10:17:10,436 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:17:10,436 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] [2018-04-12 10:17:10,437 INFO L408 AbstractCegarLoop]: === Iteration 11 === [cstrcpyErr2RequiresViolation, cstrcpyErr3RequiresViolation, cstrcpyErr0RequiresViolation, cstrcpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:17:10,437 INFO L82 PathProgramCache]: Analyzing trace with hash -101424366, now seen corresponding path program 1 times [2018-04-12 10:17:10,437 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:17:10,437 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:17:10,438 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:10,438 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:17:10,438 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:10,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:17:10,448 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:17:10,630 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 10:17:10,630 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 10:17:10,630 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 10:17:10,638 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:17:10,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:17:10,661 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 10:17:10,667 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-12 10:17:10,667 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 10:17:10,674 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-12 10:17:10,674 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:17:10,678 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:17:10,679 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:19, output treesize:14 [2018-04-12 10:17:10,730 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 10:17:10,731 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 10:17:10,732 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-12 10:17:10,732 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 10:17:10,738 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-04-12 10:17:10,739 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:17:10,743 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:17:10,744 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:15 [2018-04-12 10:17:10,971 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 10:17:10,989 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 10:17:10,989 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 25 [2018-04-12 10:17:10,989 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-04-12 10:17:10,989 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-04-12 10:17:10,989 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2018-04-12 10:17:10,990 INFO L87 Difference]: Start difference. First operand 57 states and 60 transitions. Second operand 26 states. [2018-04-12 10:17:11,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:17:11,602 INFO L93 Difference]: Finished difference Result 61 states and 65 transitions. [2018-04-12 10:17:11,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-04-12 10:17:11,602 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 25 [2018-04-12 10:17:11,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:17:11,603 INFO L225 Difference]: With dead ends: 61 [2018-04-12 10:17:11,603 INFO L226 Difference]: Without dead ends: 61 [2018-04-12 10:17:11,604 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=194, Invalid=1446, Unknown=0, NotChecked=0, Total=1640 [2018-04-12 10:17:11,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-04-12 10:17:11,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 56. [2018-04-12 10:17:11,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-04-12 10:17:11,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 59 transitions. [2018-04-12 10:17:11,606 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 59 transitions. Word has length 25 [2018-04-12 10:17:11,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:17:11,606 INFO L459 AbstractCegarLoop]: Abstraction has 56 states and 59 transitions. [2018-04-12 10:17:11,606 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-04-12 10:17:11,606 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 59 transitions. [2018-04-12 10:17:11,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-04-12 10:17:11,607 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:17:11,607 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, 1] [2018-04-12 10:17:11,607 INFO L408 AbstractCegarLoop]: === Iteration 12 === [cstrcpyErr2RequiresViolation, cstrcpyErr3RequiresViolation, cstrcpyErr0RequiresViolation, cstrcpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:17:11,607 INFO L82 PathProgramCache]: Analyzing trace with hash 1408509222, now seen corresponding path program 2 times [2018-04-12 10:17:11,607 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:17:11,607 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:17:11,608 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:11,608 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:17:11,608 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:11,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:17:11,618 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:17:11,834 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 10:17:11,834 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 10:17:11,834 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 10:17:11,843 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-12 10:17:11,862 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-12 10:17:11,862 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 10:17:11,865 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 10:17:11,871 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-12 10:17:11,872 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 10:17:11,873 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:17:11,873 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-12 10:17:11,877 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 10:17:11,879 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 10:17:11,879 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-12 10:17:11,880 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 10:17:11,884 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-12 10:17:11,884 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:17:11,887 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:17:11,887 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:20, output treesize:13 [2018-04-12 10:17:11,914 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-04-12 10:17:11,915 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-04-12 10:17:11,915 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:17:11,916 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:17:11,920 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 10:17:11,920 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:23 [2018-04-12 10:17:12,027 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 25 [2018-04-12 10:17:12,030 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-12 10:17:12,030 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:17:12,034 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:17:12,041 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 10:17:12,041 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:37, output treesize:22 [2018-04-12 10:17:12,106 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2018-04-12 10:17:12,120 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 15 [2018-04-12 10:17:12,121 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-12 10:17:12,124 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 10:17:12,131 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-12 10:17:12,131 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:37 [2018-04-12 10:17:12,169 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 10:17:12,188 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 10:17:12,188 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 25 [2018-04-12 10:17:12,188 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-04-12 10:17:12,188 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-04-12 10:17:12,189 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=591, Unknown=0, NotChecked=0, Total=650 [2018-04-12 10:17:12,189 INFO L87 Difference]: Start difference. First operand 56 states and 59 transitions. Second operand 26 states. [2018-04-12 10:17:12,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:17:12,935 INFO L93 Difference]: Finished difference Result 60 states and 64 transitions. [2018-04-12 10:17:12,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-04-12 10:17:12,935 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 29 [2018-04-12 10:17:12,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:17:12,935 INFO L225 Difference]: With dead ends: 60 [2018-04-12 10:17:12,935 INFO L226 Difference]: Without dead ends: 60 [2018-04-12 10:17:12,936 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 215 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=206, Invalid=1600, Unknown=0, NotChecked=0, Total=1806 [2018-04-12 10:17:12,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-04-12 10:17:12,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 47. [2018-04-12 10:17:12,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-04-12 10:17:12,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 49 transitions. [2018-04-12 10:17:12,938 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 49 transitions. Word has length 29 [2018-04-12 10:17:12,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:17:12,939 INFO L459 AbstractCegarLoop]: Abstraction has 47 states and 49 transitions. [2018-04-12 10:17:12,939 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-04-12 10:17:12,939 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 49 transitions. [2018-04-12 10:17:12,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-12 10:17:12,939 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:17:12,939 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:17:12,939 INFO L408 AbstractCegarLoop]: === Iteration 13 === [cstrcpyErr2RequiresViolation, cstrcpyErr3RequiresViolation, cstrcpyErr0RequiresViolation, cstrcpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:17:12,939 INFO L82 PathProgramCache]: Analyzing trace with hash 1243632953, now seen corresponding path program 1 times [2018-04-12 10:17:12,939 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:17:12,939 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:17:12,940 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:12,940 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 10:17:12,940 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:12,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:17:12,945 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:17:13,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:17:13,003 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:17:13,003 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 10:17:13,003 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 10:17:13,003 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 10:17:13,004 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-12 10:17:13,004 INFO L87 Difference]: Start difference. First operand 47 states and 49 transitions. Second operand 6 states. [2018-04-12 10:17:13,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:17:13,052 INFO L93 Difference]: Finished difference Result 46 states and 48 transitions. [2018-04-12 10:17:13,052 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-12 10:17:13,052 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2018-04-12 10:17:13,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:17:13,052 INFO L225 Difference]: With dead ends: 46 [2018-04-12 10:17:13,052 INFO L226 Difference]: Without dead ends: 0 [2018-04-12 10:17:13,053 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 10:17:13,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-12 10:17:13,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-12 10:17:13,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-12 10:17:13,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-12 10:17:13,053 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2018-04-12 10:17:13,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:17:13,053 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-12 10:17:13,053 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 10:17:13,054 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-12 10:17:13,054 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-12 10:17:13,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.04 10:17:13 BoogieIcfgContainer [2018-04-12 10:17:13,057 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-12 10:17:13,057 INFO L168 Benchmark]: Toolchain (without parser) took 5145.22 ms. Allocated memory was 397.9 MB in the beginning and 728.8 MB in the end (delta: 330.8 MB). Free memory was 334.6 MB in the beginning and 502.7 MB in the end (delta: -168.1 MB). Peak memory consumption was 162.8 MB. Max. memory is 5.3 GB. [2018-04-12 10:17:13,058 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 397.9 MB. Free memory is still 359.9 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-12 10:17:13,059 INFO L168 Benchmark]: CACSL2BoogieTranslator took 250.41 ms. Allocated memory is still 397.9 MB. Free memory was 334.6 MB in the beginning and 310.8 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 5.3 GB. [2018-04-12 10:17:13,059 INFO L168 Benchmark]: Boogie Preprocessor took 35.98 ms. Allocated memory is still 397.9 MB. Free memory was 310.8 MB in the beginning and 308.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-12 10:17:13,059 INFO L168 Benchmark]: RCFGBuilder took 321.92 ms. Allocated memory was 397.9 MB in the beginning and 602.4 MB in the end (delta: 204.5 MB). Free memory was 308.2 MB in the beginning and 539.7 MB in the end (delta: -231.5 MB). Peak memory consumption was 24.0 MB. Max. memory is 5.3 GB. [2018-04-12 10:17:13,060 INFO L168 Benchmark]: TraceAbstraction took 4534.58 ms. Allocated memory was 602.4 MB in the beginning and 728.8 MB in the end (delta: 126.4 MB). Free memory was 539.7 MB in the beginning and 502.7 MB in the end (delta: 37.0 MB). Peak memory consumption was 163.3 MB. Max. memory is 5.3 GB. [2018-04-12 10:17:13,061 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 397.9 MB. Free memory is still 359.9 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 250.41 ms. Allocated memory is still 397.9 MB. Free memory was 334.6 MB in the beginning and 310.8 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 35.98 ms. Allocated memory is still 397.9 MB. Free memory was 310.8 MB in the beginning and 308.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 321.92 ms. Allocated memory was 397.9 MB in the beginning and 602.4 MB in the end (delta: 204.5 MB). Free memory was 308.2 MB in the beginning and 539.7 MB in the end (delta: -231.5 MB). Peak memory consumption was 24.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 4534.58 ms. Allocated memory was 602.4 MB in the beginning and 728.8 MB in the end (delta: 126.4 MB). Free memory was 539.7 MB in the beginning and 502.7 MB in the end (delta: 37.0 MB). Peak memory consumption was 163.3 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 544]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 544]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 544]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 544]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 560]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 560]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 46 locations, 7 error locations. SAFE Result, 4.5s OverallTime, 13 OverallIterations, 3 TraceHistogramMax, 2.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 361 SDtfs, 457 SDslu, 1810 SDs, 0 SdLazy, 1594 SolverSat, 143 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 237 GetRequests, 64 SyntacticMatches, 2 SemanticMatches, 171 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 537 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 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, 13 MinimizatonAttempts, 36 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 336 NumberOfCodeBlocks, 336 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 320 ConstructedInterpolants, 16 QuantifiedInterpolants, 59682 SizeOfPredicates, 44 NumberOfNonLiveVariables, 449 ConjunctsInSsa, 131 ConjunctsInUnsatCore, 16 InterpolantComputations, 10 PerfectInterpolantSequences, 3/39 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/cstrcpy-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-12_10-17-13-068.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrcpy-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-12_10-17-13-068.csv Received shutdown request...