java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv --cacsl2boogietranslator.bitprecise.bitfields false -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf -i ../../../trunk/examples/svcomp/array-memsafety/cstrcmp-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-12 02:36:48,377 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-12 02:36:48,378 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-12 02:36:48,392 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-12 02:36:48,392 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-12 02:36:48,393 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-12 02:36:48,393 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-12 02:36:48,395 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-12 02:36:48,397 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-12 02:36:48,397 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-12 02:36:48,398 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-12 02:36:48,398 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-12 02:36:48,399 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-12 02:36:48,400 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-12 02:36:48,401 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-12 02:36:48,402 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-12 02:36:48,404 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-12 02:36:48,405 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-12 02:36:48,406 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-12 02:36:48,407 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-12 02:36:48,409 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-12 02:36:48,409 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-12 02:36:48,409 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-12 02:36:48,410 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-12 02:36:48,411 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-12 02:36:48,412 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-12 02:36:48,412 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-12 02:36:48,412 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-12 02:36:48,413 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-12 02:36:48,413 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-12 02:36:48,413 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-12 02:36:48,414 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf [2018-04-12 02:36:48,435 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-12 02:36:48,435 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-12 02:36:48,436 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-12 02:36:48,436 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-12 02:36:48,436 INFO L133 SettingsManager]: * Use SBE=true [2018-04-12 02:36:48,436 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-12 02:36:48,437 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-12 02:36:48,437 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-12 02:36:48,437 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-12 02:36:48,437 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-12 02:36:48,437 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-12 02:36:48,437 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-12 02:36:48,437 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-12 02:36:48,437 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-12 02:36:48,437 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-12 02:36:48,437 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-12 02:36:48,437 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-12 02:36:48,438 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-12 02:36:48,438 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-12 02:36:48,438 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-12 02:36:48,438 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-12 02:36:48,438 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-12 02:36:48,464 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-12 02:36:48,472 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-12 02:36:48,475 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-12 02:36:48,476 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-12 02:36:48,476 INFO L276 PluginConnector]: CDTParser initialized [2018-04-12 02:36:48,477 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,747 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGd20ef2fcc [2018-04-12 02:36:48,875 INFO L287 CDTParser]: IsIndexed: true [2018-04-12 02:36:48,875 INFO L288 CDTParser]: Found 1 translation units. [2018-04-12 02:36:48,876 INFO L168 CDTParser]: Scanning cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,884 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-12 02:36:48,884 INFO L215 ultiparseSymbolTable]: [2018-04-12 02:36:48,884 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-12 02:36:48,885 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_32 ('__bswap_32') in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,885 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,885 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__ ('') in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,885 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_64 ('__bswap_64') in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,885 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-12 02:36:48,885 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____pid_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,885 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____syscall_slong_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,885 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____u_quad_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,885 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____ino_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,885 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__ushort in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,886 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____ino64_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,886 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____loff_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,886 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____quad_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,886 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____sigset_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,886 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____uint16_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,886 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____blkcnt_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,886 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__daddr_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,886 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__quad_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,886 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__int64_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,886 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__fsid_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,886 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__u_int16_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,886 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_cond_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,886 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____clock_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,886 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____gid_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,886 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_spinlock_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,886 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____WAIT_STATUS in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,886 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____u_int in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,886 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____key_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,886 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____uint8_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,886 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____daddr_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,887 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__u_char in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,887 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__loff_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,887 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__blkcnt_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,887 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____clockid_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,887 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__wchar_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,887 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____pthread_list_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,887 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_barrierattr_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,887 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____useconds_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,887 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____int64_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,887 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_barrier_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,887 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____uid_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,887 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____off64_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,887 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____sig_atomic_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,887 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____u_char in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,887 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____fsblkcnt_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,887 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_key_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,887 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____fsblkcnt64_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,888 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____id_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,888 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__u_int32_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,888 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,888 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_rwlock_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,888 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____fd_mask in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,888 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__sigset_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,888 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__id_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,888 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____syscall_ulong_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,888 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__dev_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,888 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____nlink_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,888 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__u_int8_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,888 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__clockid_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,888 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__timer_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,888 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__uint in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,888 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__nlink_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,888 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__int32_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,888 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____fsword_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,888 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__ssize_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,889 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__fd_mask in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,889 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____uint64_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,889 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,889 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____off_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,889 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____blkcnt64_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,889 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__fsfilcnt_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,889 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__size_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,889 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____time_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,889 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____timer_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,889 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_mutexattr_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,889 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__key_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,889 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____fsfilcnt_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,889 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__int8_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,889 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____ssize_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,889 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____mode_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,889 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__u_int in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,889 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____int32_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,889 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____intptr_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,889 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__div_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,890 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__off_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,890 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__fsblkcnt_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,890 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____suseconds_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,890 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__time_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,890 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____rlim64_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,890 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__u_int64_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,890 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__uid_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,890 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__lldiv_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,890 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____rlim_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,890 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____socklen_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,890 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__register_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,891 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____fsfilcnt64_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,891 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_mutex_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,891 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__ldiv_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,891 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__ino_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,891 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____caddr_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,891 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__u_quad_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,891 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_attr_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,891 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____dev_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,891 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__int16_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,892 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__blksize_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,892 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____qaddr_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,892 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_condattr_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,892 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____blksize_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,892 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_once_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,892 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____uint32_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,892 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____u_long in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,892 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____int16_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,893 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__u_short in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,893 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__gid_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,893 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____int8_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,893 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__caddr_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,893 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__fd_set in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,893 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____fsid_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,893 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__mode_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,893 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__suseconds_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,893 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____u_short in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,893 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__clock_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,893 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__ulong in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,894 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__pid_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,894 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__u_long in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:48,906 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGd20ef2fcc [2018-04-12 02:36:48,911 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-12 02:36:48,912 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-12 02:36:48,913 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-12 02:36:48,913 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-12 02:36:48,917 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-12 02:36:48,917 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 02:36:48" (1/1) ... [2018-04-12 02:36:48,919 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@689f04b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:36:48, skipping insertion in model container [2018-04-12 02:36:48,919 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 02:36:48" (1/1) ... [2018-04-12 02:36:48,930 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 02:36:48,952 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 02:36:49,099 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 02:36:49,135 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 02:36:49,141 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-12 02:36:49,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:36:49 WrapperNode [2018-04-12 02:36:49,172 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-12 02:36:49,173 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-12 02:36:49,173 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-12 02:36:49,173 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-12 02:36:49,183 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:36:49" (1/1) ... [2018-04-12 02:36:49,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:36:49" (1/1) ... [2018-04-12 02:36:49,195 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:36:49" (1/1) ... [2018-04-12 02:36:49,195 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:36:49" (1/1) ... [2018-04-12 02:36:49,202 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:36:49" (1/1) ... [2018-04-12 02:36:49,206 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:36:49" (1/1) ... [2018-04-12 02:36:49,208 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:36:49" (1/1) ... [2018-04-12 02:36:49,211 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-12 02:36:49,211 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-12 02:36:49,211 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-12 02:36:49,212 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-12 02:36:49,212 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:36:49" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-12 02:36:49,371 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-12 02:36:49,372 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-12 02:36:49,372 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-12 02:36:49,372 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-12 02:36:49,372 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrcmp [2018-04-12 02:36:49,372 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-12 02:36:49,372 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-12 02:36:49,372 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-12 02:36:49,373 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-12 02:36:49,373 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-12 02:36:49,373 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-12 02:36:49,373 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-12 02:36:49,373 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-12 02:36:49,373 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-12 02:36:49,373 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-12 02:36:49,373 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-12 02:36:49,373 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-12 02:36:49,373 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-12 02:36:49,374 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-12 02:36:49,374 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-12 02:36:49,374 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-12 02:36:49,374 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-12 02:36:49,374 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-12 02:36:49,374 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-12 02:36:49,374 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-12 02:36:49,375 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-12 02:36:49,375 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-12 02:36:49,375 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-12 02:36:49,375 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-12 02:36:49,375 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-12 02:36:49,375 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-12 02:36:49,375 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-12 02:36:49,375 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-12 02:36:49,375 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-12 02:36:49,375 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-12 02:36:49,376 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-12 02:36:49,376 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-12 02:36:49,376 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-12 02:36:49,376 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-12 02:36:49,376 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-12 02:36:49,376 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-12 02:36:49,376 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-12 02:36:49,376 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-12 02:36:49,376 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-12 02:36:49,377 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-12 02:36:49,377 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-12 02:36:49,377 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-12 02:36:49,377 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-12 02:36:49,377 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-12 02:36:49,377 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-12 02:36:49,377 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-12 02:36:49,377 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-12 02:36:49,377 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-12 02:36:49,377 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-12 02:36:49,378 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-12 02:36:49,378 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-12 02:36:49,378 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-12 02:36:49,378 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-12 02:36:49,378 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-12 02:36:49,378 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-12 02:36:49,378 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-12 02:36:49,378 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-12 02:36:49,378 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-12 02:36:49,382 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-12 02:36:49,383 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-12 02:36:49,383 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-12 02:36:49,383 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-12 02:36:49,383 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-12 02:36:49,383 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-12 02:36:49,383 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-12 02:36:49,383 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-12 02:36:49,383 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-12 02:36:49,383 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-12 02:36:49,383 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-12 02:36:49,384 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-12 02:36:49,384 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-12 02:36:49,384 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-12 02:36:49,384 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-12 02:36:49,384 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-12 02:36:49,384 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-12 02:36:49,384 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-12 02:36:49,384 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-12 02:36:49,384 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-12 02:36:49,384 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-12 02:36:49,385 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-12 02:36:49,385 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-12 02:36:49,385 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-12 02:36:49,385 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-12 02:36:49,385 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-12 02:36:49,385 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-12 02:36:49,385 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-12 02:36:49,385 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-12 02:36:49,385 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-12 02:36:49,385 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-12 02:36:49,386 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-12 02:36:49,386 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-12 02:36:49,386 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-12 02:36:49,386 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-12 02:36:49,386 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-12 02:36:49,386 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-12 02:36:49,386 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-12 02:36:49,386 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-12 02:36:49,386 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-12 02:36:49,387 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-12 02:36:49,387 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-12 02:36:49,388 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-12 02:36:49,388 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-12 02:36:49,388 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-12 02:36:49,388 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-12 02:36:49,388 INFO L128 BoogieDeclarations]: Found specification of procedure cstrcmp [2018-04-12 02:36:49,388 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-12 02:36:49,388 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-12 02:36:49,388 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-12 02:36:49,388 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-12 02:36:49,388 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-12 02:36:49,389 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-12 02:36:49,389 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-12 02:36:49,389 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-12 02:36:49,676 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-12 02:36:49,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 02:36:49 BoogieIcfgContainer [2018-04-12 02:36:49,677 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-12 02:36:49,677 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-12 02:36:49,677 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-12 02:36:49,679 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-12 02:36:49,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.04 02:36:48" (1/3) ... [2018-04-12 02:36:49,680 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c86e1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 02:36:49, skipping insertion in model container [2018-04-12 02:36:49,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:36:49" (2/3) ... [2018-04-12 02:36:49,680 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c86e1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 02:36:49, skipping insertion in model container [2018-04-12 02:36:49,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 02:36:49" (3/3) ... [2018-04-12 02:36:49,681 INFO L107 eAbstractionObserver]: Analyzing ICFG cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:36:49,687 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-04-12 02:36:49,692 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2018-04-12 02:36:49,716 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-12 02:36:49,717 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-12 02:36:49,717 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-12 02:36:49,717 INFO L371 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-04-12 02:36:49,717 INFO L372 AbstractCegarLoop]: Backedges is CANONICAL [2018-04-12 02:36:49,717 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-12 02:36:49,717 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-12 02:36:49,717 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-12 02:36:49,717 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-12 02:36:49,718 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-12 02:36:49,726 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states. [2018-04-12 02:36:49,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-12 02:36:49,734 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:36:49,734 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:36:49,734 INFO L408 AbstractCegarLoop]: === Iteration 1 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:36:49,737 INFO L82 PathProgramCache]: Analyzing trace with hash 900692356, now seen corresponding path program 1 times [2018-04-12 02:36:49,768 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:36:49,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:36:49,805 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:36:49,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:36:49,869 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:36:49,869 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 02:36:49,869 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:36:49,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:36:49,870 INFO L182 omatonBuilderFactory]: Interpolants [59#true, 60#false, 61#(= 1 (select |#valid| |main_#t~malloc13.base|)), 62#(= 1 (select |#valid| main_~nondetString1~0.base))] [2018-04-12 02:36:49,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:36:49,871 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 02:36:49,879 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 02:36:49,879 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 02:36:49,881 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 4 states. [2018-04-12 02:36:49,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:36:49,966 INFO L93 Difference]: Finished difference Result 55 states and 59 transitions. [2018-04-12 02:36:49,968 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-12 02:36:49,969 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-04-12 02:36:49,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:36:49,977 INFO L225 Difference]: With dead ends: 55 [2018-04-12 02:36:49,978 INFO L226 Difference]: Without dead ends: 52 [2018-04-12 02:36:49,979 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 02:36:49,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-04-12 02:36:50,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-04-12 02:36:50,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-04-12 02:36:50,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 56 transitions. [2018-04-12 02:36:50,010 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 56 transitions. Word has length 13 [2018-04-12 02:36:50,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:36:50,011 INFO L459 AbstractCegarLoop]: Abstraction has 52 states and 56 transitions. [2018-04-12 02:36:50,011 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 02:36:50,011 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 56 transitions. [2018-04-12 02:36:50,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-12 02:36:50,011 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:36:50,011 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:36:50,011 INFO L408 AbstractCegarLoop]: === Iteration 2 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:36:50,012 INFO L82 PathProgramCache]: Analyzing trace with hash 900692357, now seen corresponding path program 1 times [2018-04-12 02:36:50,013 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:36:50,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:36:50,027 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:36:50,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:36:50,100 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:36:50,100 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 02:36:50,100 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:36:50,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:36:50,100 INFO L182 omatonBuilderFactory]: Interpolants [176#(and (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (= (select |#valid| main_~nondetString1~0.base) 1) (<= 1 main_~length1~0) (= main_~nondetString1~0.offset 0)), 177#(and (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (<= 1 main_~length1~0) (= main_~nondetString1~0.offset 0)), 172#true, 173#false, 174#(<= 1 main_~length1~0), 175#(and (= main_~length1~0 (select |#length| |main_#t~malloc13.base|)) (= (select |#valid| |main_#t~malloc13.base|) 1) (<= 1 main_~length1~0) (= 0 |main_#t~malloc13.offset|))] [2018-04-12 02:36:50,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:36:50,102 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 02:36:50,102 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 02:36:50,102 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-04-12 02:36:50,102 INFO L87 Difference]: Start difference. First operand 52 states and 56 transitions. Second operand 6 states. [2018-04-12 02:36:50,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:36:50,179 INFO L93 Difference]: Finished difference Result 51 states and 55 transitions. [2018-04-12 02:36:50,179 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 02:36:50,179 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2018-04-12 02:36:50,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:36:50,180 INFO L225 Difference]: With dead ends: 51 [2018-04-12 02:36:50,180 INFO L226 Difference]: Without dead ends: 51 [2018-04-12 02:36:50,180 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2018-04-12 02:36:50,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-04-12 02:36:50,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-04-12 02:36:50,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-04-12 02:36:50,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 55 transitions. [2018-04-12 02:36:50,184 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 55 transitions. Word has length 13 [2018-04-12 02:36:50,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:36:50,185 INFO L459 AbstractCegarLoop]: Abstraction has 51 states and 55 transitions. [2018-04-12 02:36:50,185 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 02:36:50,185 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 55 transitions. [2018-04-12 02:36:50,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-12 02:36:50,185 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:36:50,185 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:36:50,185 INFO L408 AbstractCegarLoop]: === Iteration 3 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:36:50,186 INFO L82 PathProgramCache]: Analyzing trace with hash -2143307995, now seen corresponding path program 1 times [2018-04-12 02:36:50,186 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:36:50,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:36:50,195 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:36:50,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:36:50,215 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:36:50,215 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 02:36:50,215 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:36:50,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:36:50,216 INFO L182 omatonBuilderFactory]: Interpolants [282#true, 283#false, 284#(= 1 (select |#valid| |main_#t~malloc14.base|)), 285#(= 1 (select |#valid| main_~nondetString2~0.base))] [2018-04-12 02:36:50,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:36:50,216 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 02:36:50,216 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 02:36:50,217 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 02:36:50,217 INFO L87 Difference]: Start difference. First operand 51 states and 55 transitions. Second operand 4 states. [2018-04-12 02:36:50,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:36:50,257 INFO L93 Difference]: Finished difference Result 50 states and 54 transitions. [2018-04-12 02:36:50,257 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-12 02:36:50,257 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-04-12 02:36:50,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:36:50,258 INFO L225 Difference]: With dead ends: 50 [2018-04-12 02:36:50,258 INFO L226 Difference]: Without dead ends: 50 [2018-04-12 02:36:50,258 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 02:36:50,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-04-12 02:36:50,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-04-12 02:36:50,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-04-12 02:36:50,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2018-04-12 02:36:50,263 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 14 [2018-04-12 02:36:50,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:36:50,263 INFO L459 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions. [2018-04-12 02:36:50,263 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 02:36:50,263 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2018-04-12 02:36:50,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-12 02:36:50,264 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:36:50,264 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:36:50,264 INFO L408 AbstractCegarLoop]: === Iteration 4 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:36:50,264 INFO L82 PathProgramCache]: Analyzing trace with hash -2143307994, now seen corresponding path program 1 times [2018-04-12 02:36:50,265 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:36:50,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:36:50,275 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:36:50,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:36:50,323 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:36:50,323 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 02:36:50,323 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:36:50,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:36:50,324 INFO L182 omatonBuilderFactory]: Interpolants [388#true, 389#false, 390#(<= 1 main_~length2~0), 391#(and (= 0 |main_#t~malloc14.offset|) (<= 1 main_~length2~0) (= main_~length2~0 (select |#length| |main_#t~malloc14.base|))), 392#(and (= main_~nondetString2~0.offset 0) (<= 1 main_~length2~0) (= main_~length2~0 (select |#length| main_~nondetString2~0.base)))] [2018-04-12 02:36:50,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:36:50,324 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 02:36:50,324 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 02:36:50,324 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 02:36:50,324 INFO L87 Difference]: Start difference. First operand 50 states and 54 transitions. Second operand 5 states. [2018-04-12 02:36:50,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:36:50,364 INFO L93 Difference]: Finished difference Result 49 states and 53 transitions. [2018-04-12 02:36:50,365 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 02:36:50,365 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-04-12 02:36:50,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:36:50,366 INFO L225 Difference]: With dead ends: 49 [2018-04-12 02:36:50,366 INFO L226 Difference]: Without dead ends: 49 [2018-04-12 02:36:50,366 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-04-12 02:36:50,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-04-12 02:36:50,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-04-12 02:36:50,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-04-12 02:36:50,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 53 transitions. [2018-04-12 02:36:50,369 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 53 transitions. Word has length 14 [2018-04-12 02:36:50,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:36:50,369 INFO L459 AbstractCegarLoop]: Abstraction has 49 states and 53 transitions. [2018-04-12 02:36:50,369 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 02:36:50,369 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2018-04-12 02:36:50,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-12 02:36:50,369 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:36:50,369 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:36:50,369 INFO L408 AbstractCegarLoop]: === Iteration 5 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:36:50,369 INFO L82 PathProgramCache]: Analyzing trace with hash 1571754480, now seen corresponding path program 1 times [2018-04-12 02:36:50,370 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:36:50,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:36:50,378 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:36:50,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:36:50,410 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:36:50,410 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 02:36:50,411 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:36:50,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:36:50,411 INFO L182 omatonBuilderFactory]: Interpolants [496#(= 1 (select |#valid| |cstrcmp_#in~s1.base|)), 497#(= 1 (select |#valid| cstrcmp_~s1.base)), 493#true, 494#false, 495#(= 1 (select |#valid| main_~nondetString1~0.base))] [2018-04-12 02:36:50,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:36:50,411 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 02:36:50,412 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 02:36:50,412 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-12 02:36:50,412 INFO L87 Difference]: Start difference. First operand 49 states and 53 transitions. Second operand 5 states. [2018-04-12 02:36:50,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:36:50,446 INFO L93 Difference]: Finished difference Result 46 states and 50 transitions. [2018-04-12 02:36:50,446 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 02:36:50,447 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-04-12 02:36:50,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:36:50,447 INFO L225 Difference]: With dead ends: 46 [2018-04-12 02:36:50,447 INFO L226 Difference]: Without dead ends: 46 [2018-04-12 02:36:50,447 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-12 02:36:50,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-04-12 02:36:50,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2018-04-12 02:36:50,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-04-12 02:36:50,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 50 transitions. [2018-04-12 02:36:50,449 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 50 transitions. Word has length 18 [2018-04-12 02:36:50,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:36:50,450 INFO L459 AbstractCegarLoop]: Abstraction has 46 states and 50 transitions. [2018-04-12 02:36:50,450 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 02:36:50,450 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2018-04-12 02:36:50,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-12 02:36:50,450 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:36:50,450 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:36:50,450 INFO L408 AbstractCegarLoop]: === Iteration 6 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:36:50,450 INFO L82 PathProgramCache]: Analyzing trace with hash 1571754481, now seen corresponding path program 1 times [2018-04-12 02:36:50,451 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:36:50,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:36:50,460 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:36:50,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:36:50,517 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:36:50,517 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-12 02:36:50,517 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:36:50,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:36:50,517 INFO L182 omatonBuilderFactory]: Interpolants [592#true, 593#false, 594#(<= 1 main_~length1~0), 595#(and (<= 1 main_~length1~0) (= 0 |main_#t~malloc13.offset|)), 596#(and (<= 1 main_~length1~0) (= main_~nondetString1~0.offset 0)), 597#(and (<= (+ main_~nondetString1~0.offset 1) (select |#length| main_~nondetString1~0.base)) (= main_~nondetString1~0.offset 0)), 598#(and (<= 1 (select |#length| |cstrcmp_#in~s1.base|)) (= 0 |cstrcmp_#in~s1.offset|)), 599#(and (<= 1 (select |#length| cstrcmp_~s1.base)) (= cstrcmp_~s1.offset 0))] [2018-04-12 02:36:50,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:36:50,518 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-12 02:36:50,518 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-12 02:36:50,518 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-04-12 02:36:50,518 INFO L87 Difference]: Start difference. First operand 46 states and 50 transitions. Second operand 8 states. [2018-04-12 02:36:50,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:36:50,600 INFO L93 Difference]: Finished difference Result 66 states and 73 transitions. [2018-04-12 02:36:50,601 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-12 02:36:50,601 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2018-04-12 02:36:50,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:36:50,602 INFO L225 Difference]: With dead ends: 66 [2018-04-12 02:36:50,603 INFO L226 Difference]: Without dead ends: 66 [2018-04-12 02:36:50,603 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2018-04-12 02:36:50,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-04-12 02:36:50,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 55. [2018-04-12 02:36:50,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-04-12 02:36:50,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 63 transitions. [2018-04-12 02:36:50,605 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 63 transitions. Word has length 18 [2018-04-12 02:36:50,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:36:50,606 INFO L459 AbstractCegarLoop]: Abstraction has 55 states and 63 transitions. [2018-04-12 02:36:50,606 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-12 02:36:50,606 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 63 transitions. [2018-04-12 02:36:50,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-12 02:36:50,606 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:36:50,606 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:36:50,606 INFO L408 AbstractCegarLoop]: === Iteration 7 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:36:50,606 INFO L82 PathProgramCache]: Analyzing trace with hash -353712010, now seen corresponding path program 1 times [2018-04-12 02:36:50,607 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:36:50,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:36:50,613 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:36:50,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:36:50,635 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:36:50,635 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 02:36:50,635 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:36:50,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:36:50,635 INFO L182 omatonBuilderFactory]: Interpolants [729#true, 730#false, 731#(= 1 (select |#valid| main_~nondetString2~0.base)), 732#(= 1 (select |#valid| |cstrcmp_#in~s2.base|)), 733#(= 1 (select |#valid| cstrcmp_~s2.base))] [2018-04-12 02:36:50,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:36:50,635 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 02:36:50,635 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 02:36:50,635 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-12 02:36:50,635 INFO L87 Difference]: Start difference. First operand 55 states and 63 transitions. Second operand 5 states. [2018-04-12 02:36:50,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:36:50,667 INFO L93 Difference]: Finished difference Result 53 states and 60 transitions. [2018-04-12 02:36:50,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 02:36:50,667 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2018-04-12 02:36:50,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:36:50,667 INFO L225 Difference]: With dead ends: 53 [2018-04-12 02:36:50,667 INFO L226 Difference]: Without dead ends: 53 [2018-04-12 02:36:50,667 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-12 02:36:50,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-04-12 02:36:50,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2018-04-12 02:36:50,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-04-12 02:36:50,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 60 transitions. [2018-04-12 02:36:50,669 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 60 transitions. Word has length 22 [2018-04-12 02:36:50,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:36:50,670 INFO L459 AbstractCegarLoop]: Abstraction has 53 states and 60 transitions. [2018-04-12 02:36:50,670 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 02:36:50,670 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 60 transitions. [2018-04-12 02:36:50,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-12 02:36:50,670 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:36:50,670 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:36:50,670 INFO L408 AbstractCegarLoop]: === Iteration 8 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:36:50,670 INFO L82 PathProgramCache]: Analyzing trace with hash -353712009, now seen corresponding path program 1 times [2018-04-12 02:36:50,671 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:36:50,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:36:50,680 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:36:50,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:36:50,750 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:36:50,750 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-12 02:36:50,750 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:36:50,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:36:50,750 INFO L182 omatonBuilderFactory]: Interpolants [848#(and (<= 1 (select |#length| |cstrcmp_#in~s2.base|)) (= 0 |cstrcmp_#in~s2.offset|)), 849#(and (= cstrcmp_~s2.offset 0) (<= 1 (select |#length| cstrcmp_~s2.base))), 842#true, 843#false, 844#(<= 1 main_~length2~0), 845#(and (= 0 |main_#t~malloc14.offset|) (<= 1 main_~length2~0) (= main_~length2~0 (select |#length| |main_#t~malloc14.base|))), 846#(and (= 0 main_~nondetString2~0.offset) (<= 1 main_~length2~0) (= main_~length2~0 (select |#length| main_~nondetString2~0.base))), 847#(and (= 0 main_~nondetString2~0.offset) (<= 1 (select |#length| main_~nondetString2~0.base)))] [2018-04-12 02:36:50,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:36:50,750 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-12 02:36:50,750 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-12 02:36:50,750 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-04-12 02:36:50,751 INFO L87 Difference]: Start difference. First operand 53 states and 60 transitions. Second operand 8 states. [2018-04-12 02:36:50,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:36:50,824 INFO L93 Difference]: Finished difference Result 60 states and 67 transitions. [2018-04-12 02:36:50,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-12 02:36:50,824 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2018-04-12 02:36:50,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:36:50,825 INFO L225 Difference]: With dead ends: 60 [2018-04-12 02:36:50,825 INFO L226 Difference]: Without dead ends: 60 [2018-04-12 02:36:50,826 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2018-04-12 02:36:50,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-04-12 02:36:50,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 55. [2018-04-12 02:36:50,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-04-12 02:36:50,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 61 transitions. [2018-04-12 02:36:50,830 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 61 transitions. Word has length 22 [2018-04-12 02:36:50,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:36:50,830 INFO L459 AbstractCegarLoop]: Abstraction has 55 states and 61 transitions. [2018-04-12 02:36:50,830 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-12 02:36:50,830 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 61 transitions. [2018-04-12 02:36:50,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-12 02:36:50,831 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:36:50,831 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:36:50,831 INFO L408 AbstractCegarLoop]: === Iteration 9 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:36:50,831 INFO L82 PathProgramCache]: Analyzing trace with hash 1920110756, now seen corresponding path program 1 times [2018-04-12 02:36:50,831 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:36:50,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:36:50,839 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:36:50,853 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:36:50,853 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:36:50,853 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 02:36:50,853 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:36:50,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:36:50,854 INFO L182 omatonBuilderFactory]: Interpolants [969#true, 970#false, 971#(not |cstrcmp_#t~short5|)] [2018-04-12 02:36:50,854 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:36:50,854 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-12 02:36:50,854 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-12 02:36:50,854 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-12 02:36:50,854 INFO L87 Difference]: Start difference. First operand 55 states and 61 transitions. Second operand 3 states. [2018-04-12 02:36:50,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:36:50,858 INFO L93 Difference]: Finished difference Result 57 states and 63 transitions. [2018-04-12 02:36:50,858 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-12 02:36:50,858 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2018-04-12 02:36:50,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:36:50,858 INFO L225 Difference]: With dead ends: 57 [2018-04-12 02:36:50,859 INFO L226 Difference]: Without dead ends: 57 [2018-04-12 02:36:50,859 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-12 02:36:50,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-04-12 02:36:50,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-04-12 02:36:50,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-04-12 02:36:50,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 63 transitions. [2018-04-12 02:36:50,862 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 63 transitions. Word has length 23 [2018-04-12 02:36:50,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:36:50,862 INFO L459 AbstractCegarLoop]: Abstraction has 57 states and 63 transitions. [2018-04-12 02:36:50,862 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-12 02:36:50,862 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 63 transitions. [2018-04-12 02:36:50,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-04-12 02:36:50,863 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:36:50,863 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:36:50,863 INFO L408 AbstractCegarLoop]: === Iteration 10 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:36:50,863 INFO L82 PathProgramCache]: Analyzing trace with hash 1858113249, now seen corresponding path program 1 times [2018-04-12 02:36:50,864 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:36:50,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:36:50,877 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:36:51,068 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:36:51,069 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:36:51,069 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-04-12 02:36:51,069 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:36:51,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:36:51,069 INFO L182 omatonBuilderFactory]: Interpolants [1088#(and (<= 1 main_~length1~0) (<= main_~length1~0 1)), 1089#(and (= (select |#valid| |main_#t~malloc13.base|) 1) (<= 1 main_~length1~0) (<= main_~length1~0 1) (= 0 |main_#t~malloc13.offset|)), 1090#(and (= (select |#valid| main_~nondetString1~0.base) 1) (<= 1 main_~length1~0) (<= main_~length1~0 1) (= main_~nondetString1~0.offset 0)), 1091#(and (not (= main_~nondetString1~0.base |main_#t~malloc14.base|)) (<= 1 main_~length1~0) (<= main_~length1~0 1) (= main_~nondetString1~0.offset 0)), 1092#(and (<= 1 main_~length1~0) (not (= main_~nondetString1~0.base main_~nondetString2~0.base)) (<= main_~length1~0 1) (= main_~nondetString1~0.offset 0)), 1093#(and (= 0 (select (select |#memory_int| main_~nondetString1~0.base) main_~nondetString1~0.offset)) (not (= main_~nondetString1~0.base main_~nondetString2~0.base)) (= main_~nondetString1~0.offset 0)), 1094#(= 0 (select (select |#memory_int| |cstrcmp_#in~s1.base|) |cstrcmp_#in~s1.offset|)), 1095#(= 0 (select (select |#memory_int| cstrcmp_~s1.base) cstrcmp_~s1.offset)), 1096#(and (= |cstrcmp_#t~mem2| (select (select |#memory_int| cstrcmp_~s1.base) cstrcmp_~s1.offset)) (= 0 (select (select |#memory_int| cstrcmp_~s1.base) cstrcmp_~s1.offset))), 1097#(not |cstrcmp_#t~short5|), 1086#true, 1087#false] [2018-04-12 02:36:51,070 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:36:51,070 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-12 02:36:51,070 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-12 02:36:51,070 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2018-04-12 02:36:51,070 INFO L87 Difference]: Start difference. First operand 57 states and 63 transitions. Second operand 12 states. [2018-04-12 02:36:51,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:36:51,279 INFO L93 Difference]: Finished difference Result 86 states and 93 transitions. [2018-04-12 02:36:51,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-12 02:36:51,279 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 26 [2018-04-12 02:36:51,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:36:51,280 INFO L225 Difference]: With dead ends: 86 [2018-04-12 02:36:51,280 INFO L226 Difference]: Without dead ends: 86 [2018-04-12 02:36:51,280 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=330, Unknown=0, NotChecked=0, Total=420 [2018-04-12 02:36:51,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2018-04-12 02:36:51,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 79. [2018-04-12 02:36:51,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-04-12 02:36:51,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 87 transitions. [2018-04-12 02:36:51,289 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 87 transitions. Word has length 26 [2018-04-12 02:36:51,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:36:51,290 INFO L459 AbstractCegarLoop]: Abstraction has 79 states and 87 transitions. [2018-04-12 02:36:51,290 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-12 02:36:51,290 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 87 transitions. [2018-04-12 02:36:51,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-04-12 02:36:51,290 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:36:51,291 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:36:51,291 INFO L408 AbstractCegarLoop]: === Iteration 11 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:36:51,291 INFO L82 PathProgramCache]: Analyzing trace with hash 1040464799, now seen corresponding path program 1 times [2018-04-12 02:36:51,292 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:36:51,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:36:51,309 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:36:51,533 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:36:51,533 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 02:36:51,533 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-04-12 02:36:51,534 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:36:51,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:36:51,534 INFO L182 omatonBuilderFactory]: Interpolants [1281#true, 1282#false, 1283#(<= 1 main_~length1~0), 1284#(and (= main_~length1~0 (select |#length| |main_#t~malloc13.base|)) (= (select |#valid| |main_#t~malloc13.base|) 1) (<= 1 main_~length1~0) (= 0 |main_#t~malloc13.offset|)), 1285#(and (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (= (select |#valid| main_~nondetString1~0.base) 1) (<= 1 main_~length1~0) (= main_~nondetString1~0.offset 0)), 1286#(and (not (= main_~nondetString1~0.base |main_#t~malloc14.base|)) (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (<= 1 main_~length1~0) (= main_~nondetString1~0.offset 0)), 1287#(and (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (<= 1 main_~length1~0) (not (= main_~nondetString1~0.base main_~nondetString2~0.base)) (= main_~nondetString1~0.offset 0)), 1288#(and (or (<= 2 (+ main_~nondetString1~0.offset (select |#length| main_~nondetString1~0.base))) (= 0 (select (select |#memory_int| main_~nondetString1~0.base) main_~nondetString1~0.offset))) (not (= main_~nondetString1~0.base main_~nondetString2~0.base)) (= main_~nondetString1~0.offset 0)), 1289#(and (= 0 |cstrcmp_#in~s1.offset|) (or (<= 2 (select |#length| |cstrcmp_#in~s1.base|)) (= 0 (select (select |#memory_int| |cstrcmp_#in~s1.base|) |cstrcmp_#in~s1.offset|)))), 1290#(and (or (<= 2 (select |#length| cstrcmp_~s1.base)) (= 0 (select (select |#memory_int| cstrcmp_~s1.base) cstrcmp_~s1.offset))) (= cstrcmp_~s1.offset 0)), 1291#(and (= cstrcmp_~s1.offset 0) (or (<= 2 (select |#length| cstrcmp_~s1.base)) (and (= |cstrcmp_#t~mem2| (select (select |#memory_int| cstrcmp_~s1.base) cstrcmp_~s1.offset)) (= 0 (select (select |#memory_int| cstrcmp_~s1.base) cstrcmp_~s1.offset))))), 1292#(and (= cstrcmp_~s1.offset 0) (or (<= 2 (select |#length| cstrcmp_~s1.base)) (not |cstrcmp_#t~short5|))), 1293#(and (<= 2 (select |#length| cstrcmp_~s1.base)) (= cstrcmp_~s1.offset 0)), 1294#(and (<= (+ cstrcmp_~s1.offset 1) (select |#length| cstrcmp_~s1.base)) (<= 1 cstrcmp_~s1.offset))] [2018-04-12 02:36:51,534 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:36:51,535 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-12 02:36:51,535 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-12 02:36:51,535 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-04-12 02:36:51,535 INFO L87 Difference]: Start difference. First operand 79 states and 87 transitions. Second operand 14 states. [2018-04-12 02:36:51,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:36:51,805 INFO L93 Difference]: Finished difference Result 111 states and 124 transitions. [2018-04-12 02:36:51,805 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-12 02:36:51,805 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 26 [2018-04-12 02:36:51,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:36:51,806 INFO L225 Difference]: With dead ends: 111 [2018-04-12 02:36:51,806 INFO L226 Difference]: Without dead ends: 111 [2018-04-12 02:36:51,806 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=111, Invalid=489, Unknown=0, NotChecked=0, Total=600 [2018-04-12 02:36:51,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2018-04-12 02:36:51,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 89. [2018-04-12 02:36:51,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-04-12 02:36:51,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 100 transitions. [2018-04-12 02:36:51,809 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 100 transitions. Word has length 26 [2018-04-12 02:36:51,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:36:51,809 INFO L459 AbstractCegarLoop]: Abstraction has 89 states and 100 transitions. [2018-04-12 02:36:51,809 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-12 02:36:51,809 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 100 transitions. [2018-04-12 02:36:51,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-12 02:36:51,810 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:36:51,810 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:36:51,810 INFO L408 AbstractCegarLoop]: === Iteration 12 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:36:51,810 INFO L82 PathProgramCache]: Analyzing trace with hash -468227291, now seen corresponding path program 1 times [2018-04-12 02:36:51,811 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:36:51,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:36:51,826 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:36:51,961 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:36:51,961 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:36:51,961 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-04-12 02:36:51,961 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:36:51,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:36:51,962 INFO L182 omatonBuilderFactory]: Interpolants [1517#true, 1518#false, 1519#(and (<= main_~length2~0 1) (<= 1 main_~length2~0)), 1520#(and (<= main_~length2~0 1) (= 0 |main_#t~malloc14.offset|) (<= 1 main_~length2~0)), 1521#(and (= main_~nondetString2~0.offset 0) (<= 1 main_~length2~0) (<= (+ main_~nondetString2~0.offset main_~length2~0) 1)), 1522#(and (= main_~nondetString2~0.offset 0) (= 0 (select (select |#memory_int| main_~nondetString2~0.base) main_~nondetString2~0.offset))), 1523#(= 0 (select (select |#memory_int| |cstrcmp_#in~s2.base|) |cstrcmp_#in~s2.offset|)), 1524#(= 0 (select (select |#memory_int| cstrcmp_~s2.base) cstrcmp_~s2.offset)), 1525#(and (= |cstrcmp_#t~mem2| (select (select |#memory_int| cstrcmp_~s1.base) cstrcmp_~s1.offset)) (= 0 (select (select |#memory_int| cstrcmp_~s2.base) cstrcmp_~s2.offset))), 1526#(or (not |cstrcmp_#t~short5|) (not (= (select (select |#memory_int| cstrcmp_~s2.base) cstrcmp_~s2.offset) (select (select |#memory_int| cstrcmp_~s1.base) cstrcmp_~s1.offset)))), 1527#(not (= (select (select |#memory_int| cstrcmp_~s2.base) cstrcmp_~s2.offset) (select (select |#memory_int| cstrcmp_~s1.base) cstrcmp_~s1.offset))), 1528#(not (= (select (select |#memory_int| cstrcmp_~s2.base) cstrcmp_~s2.offset) |cstrcmp_#t~mem3|)), 1529#(and (not (= (select (select |#memory_int| cstrcmp_~s2.base) cstrcmp_~s2.offset) |cstrcmp_#t~mem3|)) (= |cstrcmp_#t~mem4| (select (select |#memory_int| cstrcmp_~s2.base) cstrcmp_~s2.offset))), 1530#(not |cstrcmp_#t~short5|)] [2018-04-12 02:36:51,962 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:36:51,962 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-12 02:36:51,962 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-12 02:36:51,962 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2018-04-12 02:36:51,962 INFO L87 Difference]: Start difference. First operand 89 states and 100 transitions. Second operand 14 states. [2018-04-12 02:36:52,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:36:52,163 INFO L93 Difference]: Finished difference Result 150 states and 164 transitions. [2018-04-12 02:36:52,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-04-12 02:36:52,163 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 30 [2018-04-12 02:36:52,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:36:52,164 INFO L225 Difference]: With dead ends: 150 [2018-04-12 02:36:52,164 INFO L226 Difference]: Without dead ends: 150 [2018-04-12 02:36:52,164 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=141, Invalid=509, Unknown=0, NotChecked=0, Total=650 [2018-04-12 02:36:52,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-04-12 02:36:52,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 113. [2018-04-12 02:36:52,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-04-12 02:36:52,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 126 transitions. [2018-04-12 02:36:52,168 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 126 transitions. Word has length 30 [2018-04-12 02:36:52,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:36:52,168 INFO L459 AbstractCegarLoop]: Abstraction has 113 states and 126 transitions. [2018-04-12 02:36:52,168 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-12 02:36:52,168 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 126 transitions. [2018-04-12 02:36:52,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-12 02:36:52,169 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:36:52,169 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:36:52,169 INFO L408 AbstractCegarLoop]: === Iteration 13 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:36:52,169 INFO L82 PathProgramCache]: Analyzing trace with hash 2021301671, now seen corresponding path program 1 times [2018-04-12 02:36:52,169 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:36:52,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:36:52,179 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:36:52,358 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:36:52,359 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 02:36:52,359 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-04-12 02:36:52,359 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:36:52,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:36:52,359 INFO L182 omatonBuilderFactory]: Interpolants [1824#(and (= 0 |cstrcmp_#in~s2.offset|) (or (<= 2 (select |#length| |cstrcmp_#in~s2.base|)) (= 0 (select (select |#memory_int| |cstrcmp_#in~s2.base|) |cstrcmp_#in~s2.offset|)))), 1825#(and (= cstrcmp_~s2.offset 0) (or (<= 2 (select |#length| cstrcmp_~s2.base)) (= 0 (select (select |#memory_int| cstrcmp_~s2.base) cstrcmp_~s2.offset)))), 1826#(and (= cstrcmp_~s2.offset 0) (or (<= 2 (select |#length| cstrcmp_~s2.base)) (and (= |cstrcmp_#t~mem2| (select (select |#memory_int| cstrcmp_~s1.base) cstrcmp_~s1.offset)) (= 0 (select (select |#memory_int| cstrcmp_~s2.base) cstrcmp_~s2.offset))))), 1827#(and (or (not |cstrcmp_#t~short5|) (<= 2 (select |#length| cstrcmp_~s2.base)) (not (= (select (select |#memory_int| cstrcmp_~s2.base) cstrcmp_~s2.offset) (select (select |#memory_int| cstrcmp_~s1.base) cstrcmp_~s1.offset)))) (= cstrcmp_~s2.offset 0)), 1828#(and (= cstrcmp_~s2.offset 0) (or (<= 2 (select |#length| cstrcmp_~s2.base)) (not (= (select (select |#memory_int| cstrcmp_~s2.base) cstrcmp_~s2.offset) (select (select |#memory_int| cstrcmp_~s1.base) cstrcmp_~s1.offset))))), 1829#(and (or (not (= (select (select |#memory_int| cstrcmp_~s2.base) cstrcmp_~s2.offset) |cstrcmp_#t~mem3|)) (<= 2 (select |#length| cstrcmp_~s2.base))) (= cstrcmp_~s2.offset 0)), 1830#(and (= cstrcmp_~s2.offset 0) (or (and (not (= (select (select |#memory_int| cstrcmp_~s2.base) cstrcmp_~s2.offset) |cstrcmp_#t~mem3|)) (= |cstrcmp_#t~mem4| (select (select |#memory_int| cstrcmp_~s2.base) cstrcmp_~s2.offset))) (<= 2 (select |#length| cstrcmp_~s2.base)))), 1831#(and (= cstrcmp_~s2.offset 0) (or (not |cstrcmp_#t~short5|) (<= 2 (select |#length| cstrcmp_~s2.base)))), 1832#(and (<= (+ cstrcmp_~s2.offset 1) (select |#length| cstrcmp_~s2.base)) (<= 1 cstrcmp_~s2.offset)), 1818#true, 1819#false, 1820#(<= 1 main_~length2~0), 1821#(and (= 0 |main_#t~malloc14.offset|) (<= 1 main_~length2~0) (= main_~length2~0 (select |#length| |main_#t~malloc14.base|))), 1822#(and (= 0 main_~nondetString2~0.offset) (<= 1 main_~length2~0) (= main_~length2~0 (select |#length| main_~nondetString2~0.base))), 1823#(and (= 0 main_~nondetString2~0.offset) (or (= 0 (select (select |#memory_int| main_~nondetString2~0.base) main_~nondetString2~0.offset)) (<= 2 (+ main_~nondetString2~0.offset (select |#length| main_~nondetString2~0.base)))))] [2018-04-12 02:36:52,359 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:36:52,359 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-12 02:36:52,359 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-12 02:36:52,359 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2018-04-12 02:36:52,360 INFO L87 Difference]: Start difference. First operand 113 states and 126 transitions. Second operand 15 states. [2018-04-12 02:36:52,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:36:52,661 INFO L93 Difference]: Finished difference Result 142 states and 158 transitions. [2018-04-12 02:36:52,661 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-04-12 02:36:52,661 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 30 [2018-04-12 02:36:52,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:36:52,662 INFO L225 Difference]: With dead ends: 142 [2018-04-12 02:36:52,663 INFO L226 Difference]: Without dead ends: 142 [2018-04-12 02:36:52,663 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=147, Invalid=609, Unknown=0, NotChecked=0, Total=756 [2018-04-12 02:36:52,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2018-04-12 02:36:52,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 111. [2018-04-12 02:36:52,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-04-12 02:36:52,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 123 transitions. [2018-04-12 02:36:52,668 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 123 transitions. Word has length 30 [2018-04-12 02:36:52,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:36:52,668 INFO L459 AbstractCegarLoop]: Abstraction has 111 states and 123 transitions. [2018-04-12 02:36:52,668 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-12 02:36:52,668 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 123 transitions. [2018-04-12 02:36:52,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-04-12 02:36:52,669 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:36:52,669 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:36:52,669 INFO L408 AbstractCegarLoop]: === Iteration 14 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:36:52,670 INFO L82 PathProgramCache]: Analyzing trace with hash 1493322769, now seen corresponding path program 1 times [2018-04-12 02:36:52,670 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:36:52,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:36:52,682 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:36:52,935 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:36:52,936 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 02:36:52,936 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-04-12 02:36:52,936 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:36:52,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:36:52,936 INFO L182 omatonBuilderFactory]: Interpolants [2112#true, 2113#false, 2114#(and (= main_~length1~0 (select |#length| |main_#t~malloc13.base|)) (= (select |#valid| |main_#t~malloc13.base|) 1) (= 0 |main_#t~malloc13.offset|)), 2115#(and (= 0 main_~nondetString1~0.offset) (= (select |#valid| main_~nondetString1~0.base) 1) (or (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (= (+ main_~nondetString1~0.offset main_~length1~0) 2))), 2116#(and (= 0 main_~nondetString1~0.offset) (or (not (= main_~nondetString1~0.base |main_#t~malloc14.base|)) (not (= (+ main_~nondetString1~0.offset main_~length1~0) 2))) (or (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (= (+ main_~nondetString1~0.offset main_~length1~0) 2))), 2117#(and (or (not (= (+ main_~nondetString1~0.offset main_~length1~0) 2)) (not (= main_~nondetString1~0.base main_~nondetString2~0.base))) (= 0 main_~nondetString1~0.offset) (or (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (= (+ main_~nondetString1~0.offset main_~length1~0) 2))), 2118#(and (= 0 main_~nondetString1~0.offset) (or (<= 3 (+ main_~nondetString1~0.offset (select |#length| main_~nondetString1~0.base))) (<= (+ main_~nondetString1~0.offset (select |#length| main_~nondetString1~0.base)) 1) (and (= 0 (select (select |#memory_int| main_~nondetString1~0.base) 1)) (not (= main_~nondetString1~0.base main_~nondetString2~0.base))))), 2119#(and (= 0 |cstrcmp_#in~s1.offset|) (or (<= 3 (select |#length| |cstrcmp_#in~s1.base|)) (= 0 (select (select |#memory_int| |cstrcmp_#in~s1.base|) 1)) (<= (select |#length| |cstrcmp_#in~s1.base|) 1))), 2120#(and (= cstrcmp_~s1.offset 0) (or (= 0 (select (select |#memory_int| cstrcmp_~s1.base) 1)) (<= (select |#length| cstrcmp_~s1.base) 1) (<= 3 (select |#length| cstrcmp_~s1.base)))), 2121#(or (and (or (<= (select |#length| cstrcmp_~s1.base) cstrcmp_~s1.offset) (<= (+ cstrcmp_~s1.offset 2) (select |#length| cstrcmp_~s1.base))) (<= 1 cstrcmp_~s1.offset)) (and (= 1 cstrcmp_~s1.offset) (= 0 (select (select |#memory_int| cstrcmp_~s1.base) cstrcmp_~s1.offset)))), 2122#(or (and (= 1 cstrcmp_~s1.offset) (= |cstrcmp_#t~mem2| (select (select |#memory_int| cstrcmp_~s1.base) cstrcmp_~s1.offset)) (= 0 (select (select |#memory_int| cstrcmp_~s1.base) cstrcmp_~s1.offset))) (and (<= 1 cstrcmp_~s1.offset) (<= (+ cstrcmp_~s1.offset 2) (select |#length| cstrcmp_~s1.base)))), 2123#(or (and (= 1 cstrcmp_~s1.offset) (not |cstrcmp_#t~short5|)) (and (<= 1 cstrcmp_~s1.offset) (<= (+ cstrcmp_~s1.offset 2) (select |#length| cstrcmp_~s1.base)))), 2124#(and (<= 1 cstrcmp_~s1.offset) (<= (+ cstrcmp_~s1.offset 2) (select |#length| cstrcmp_~s1.base))), 2125#(and (<= (+ cstrcmp_~s1.offset 1) (select |#length| cstrcmp_~s1.base)) (<= 2 cstrcmp_~s1.offset))] [2018-04-12 02:36:52,937 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:36:52,937 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-12 02:36:52,937 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-12 02:36:52,937 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2018-04-12 02:36:52,937 INFO L87 Difference]: Start difference. First operand 111 states and 123 transitions. Second operand 14 states. [2018-04-12 02:36:53,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:36:53,386 INFO L93 Difference]: Finished difference Result 152 states and 170 transitions. [2018-04-12 02:36:53,386 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-12 02:36:53,386 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 34 [2018-04-12 02:36:53,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:36:53,387 INFO L225 Difference]: With dead ends: 152 [2018-04-12 02:36:53,387 INFO L226 Difference]: Without dead ends: 152 [2018-04-12 02:36:53,387 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=105, Invalid=545, Unknown=0, NotChecked=0, Total=650 [2018-04-12 02:36:53,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2018-04-12 02:36:53,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 121. [2018-04-12 02:36:53,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-04-12 02:36:53,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 136 transitions. [2018-04-12 02:36:53,391 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 136 transitions. Word has length 34 [2018-04-12 02:36:53,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:36:53,392 INFO L459 AbstractCegarLoop]: Abstraction has 121 states and 136 transitions. [2018-04-12 02:36:53,392 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-12 02:36:53,392 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 136 transitions. [2018-04-12 02:36:53,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-04-12 02:36:53,393 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:36:53,393 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:36:53,393 INFO L408 AbstractCegarLoop]: === Iteration 15 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:36:53,393 INFO L82 PathProgramCache]: Analyzing trace with hash -470374570, now seen corresponding path program 1 times [2018-04-12 02:36:53,394 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:36:53,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:36:53,406 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:36:53,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:36:53,458 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:36:53,458 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-12 02:36:53,458 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:36:53,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:36:53,459 INFO L182 omatonBuilderFactory]: Interpolants [2423#true, 2424#false, 2425#(= |#valid| |old(#valid)|), 2426#(and (= (select |#valid| |main_#t~malloc13.base|) 1) (= |old(#valid)| (store |#valid| |main_#t~malloc13.base| 0))), 2427#(and (= main_~nondetString1~0.base |main_#t~malloc13.base|) (= (select |#valid| main_~nondetString1~0.base) 1) (= |old(#valid)| (store |#valid| |main_#t~malloc13.base| 0))), 2428#(and (= (store (store |#valid| |main_#t~malloc13.base| 0) |main_#t~malloc14.base| 0) |old(#valid)|) (not (= |main_#t~malloc13.base| |main_#t~malloc14.base|))), 2429#(= (store |#valid| |main_#t~malloc14.base| 0) |old(#valid)|)] [2018-04-12 02:36:53,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:36:53,459 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-12 02:36:53,459 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-12 02:36:53,459 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-04-12 02:36:53,460 INFO L87 Difference]: Start difference. First operand 121 states and 136 transitions. Second operand 7 states. [2018-04-12 02:36:53,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:36:53,538 INFO L93 Difference]: Finished difference Result 120 states and 135 transitions. [2018-04-12 02:36:53,538 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-12 02:36:53,538 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 35 [2018-04-12 02:36:53,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:36:53,538 INFO L225 Difference]: With dead ends: 120 [2018-04-12 02:36:53,538 INFO L226 Difference]: Without dead ends: 59 [2018-04-12 02:36:53,539 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-04-12 02:36:53,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-04-12 02:36:53,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2018-04-12 02:36:53,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-04-12 02:36:53,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 63 transitions. [2018-04-12 02:36:53,540 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 63 transitions. Word has length 35 [2018-04-12 02:36:53,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:36:53,540 INFO L459 AbstractCegarLoop]: Abstraction has 59 states and 63 transitions. [2018-04-12 02:36:53,540 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-12 02:36:53,540 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 63 transitions. [2018-04-12 02:36:53,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-04-12 02:36:53,541 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:36:53,541 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:36:53,541 INFO L408 AbstractCegarLoop]: === Iteration 16 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:36:53,541 INFO L82 PathProgramCache]: Analyzing trace with hash 936637079, now seen corresponding path program 2 times [2018-04-12 02:36:53,541 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:36:53,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:36:53,550 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:36:53,959 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:36:53,960 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 02:36:53,960 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-04-12 02:36:53,960 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:36:53,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:36:53,960 INFO L182 omatonBuilderFactory]: Interpolants [2624#(or (and (<= 1 cstrcmp_~s2.offset) (or (<= (+ cstrcmp_~s2.offset 2) (select |#length| cstrcmp_~s2.base)) (<= (select |#length| cstrcmp_~s2.base) cstrcmp_~s2.offset))) (and (not (= (select (select |#memory_int| cstrcmp_~s2.base) cstrcmp_~s2.offset) |cstrcmp_#t~mem3|)) (= 1 cstrcmp_~s2.offset))), 2625#(or (and (<= (+ cstrcmp_~s2.offset 2) (select |#length| cstrcmp_~s2.base)) (<= 1 cstrcmp_~s2.offset)) (and (not (= (select (select |#memory_int| cstrcmp_~s2.base) cstrcmp_~s2.offset) |cstrcmp_#t~mem3|)) (= |cstrcmp_#t~mem4| (select (select |#memory_int| cstrcmp_~s2.base) cstrcmp_~s2.offset)) (= 1 cstrcmp_~s2.offset))), 2626#(or (and (= 1 cstrcmp_~s2.offset) (not |cstrcmp_#t~short5|)) (and (<= (+ cstrcmp_~s2.offset 2) (select |#length| cstrcmp_~s2.base)) (<= 1 cstrcmp_~s2.offset))), 2627#(and (<= (+ cstrcmp_~s2.offset 1) (select |#length| cstrcmp_~s2.base)) (<= 2 cstrcmp_~s2.offset)), 2613#true, 2614#false, 2615#(and (= 0 |main_#t~malloc14.offset|) (= main_~length2~0 (select |#length| |main_#t~malloc14.base|))), 2616#(and (= 0 main_~nondetString2~0.offset) (or (= (+ main_~nondetString2~0.offset main_~length2~0) 2) (= main_~length2~0 (select |#length| main_~nondetString2~0.base)))), 2617#(and (= 0 main_~nondetString2~0.offset) (or (= 0 (select (select |#memory_int| main_~nondetString2~0.base) 1)) (<= (+ main_~nondetString2~0.offset (select |#length| main_~nondetString2~0.base)) 1) (<= 3 (+ main_~nondetString2~0.offset (select |#length| main_~nondetString2~0.base))))), 2618#(and (or (<= (select |#length| |cstrcmp_#in~s2.base|) 1) (<= 3 (select |#length| |cstrcmp_#in~s2.base|)) (= 0 (select (select |#memory_int| |cstrcmp_#in~s2.base|) 1))) (= 0 |cstrcmp_#in~s2.offset|)), 2619#(and (= cstrcmp_~s2.offset 0) (or (<= (select |#length| cstrcmp_~s2.base) 1) (<= 3 (select |#length| cstrcmp_~s2.base)) (= 0 (select (select |#memory_int| cstrcmp_~s2.base) 1)))), 2620#(or (and (= 1 cstrcmp_~s2.offset) (= 0 (select (select |#memory_int| cstrcmp_~s2.base) cstrcmp_~s2.offset))) (and (<= 1 cstrcmp_~s2.offset) (or (<= (+ cstrcmp_~s2.offset 2) (select |#length| cstrcmp_~s2.base)) (<= (select |#length| cstrcmp_~s2.base) cstrcmp_~s2.offset)))), 2621#(or (and (= |cstrcmp_#t~mem2| (select (select |#memory_int| cstrcmp_~s1.base) cstrcmp_~s1.offset)) (= 1 cstrcmp_~s2.offset) (= 0 (select (select |#memory_int| cstrcmp_~s2.base) cstrcmp_~s2.offset))) (and (<= 1 cstrcmp_~s2.offset) (or (<= (+ cstrcmp_~s2.offset 2) (select |#length| cstrcmp_~s2.base)) (<= (select |#length| cstrcmp_~s2.base) cstrcmp_~s2.offset)))), 2622#(or (and (<= 1 cstrcmp_~s2.offset) (or (<= (+ cstrcmp_~s2.offset 2) (select |#length| cstrcmp_~s2.base)) (<= (select |#length| cstrcmp_~s2.base) cstrcmp_~s2.offset))) (and (or (not |cstrcmp_#t~short5|) (not (= (select (select |#memory_int| cstrcmp_~s2.base) cstrcmp_~s2.offset) (select (select |#memory_int| cstrcmp_~s1.base) cstrcmp_~s1.offset)))) (= 1 cstrcmp_~s2.offset))), 2623#(or (and (<= 1 cstrcmp_~s2.offset) (or (<= (+ cstrcmp_~s2.offset 2) (select |#length| cstrcmp_~s2.base)) (<= (select |#length| cstrcmp_~s2.base) cstrcmp_~s2.offset))) (and (= 1 cstrcmp_~s2.offset) (not (= (select (select |#memory_int| cstrcmp_~s2.base) cstrcmp_~s2.offset) (select (select |#memory_int| cstrcmp_~s1.base) cstrcmp_~s1.offset)))))] [2018-04-12 02:36:53,960 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:36:53,961 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-12 02:36:53,961 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-12 02:36:53,961 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2018-04-12 02:36:53,961 INFO L87 Difference]: Start difference. First operand 59 states and 63 transitions. Second operand 15 states. [2018-04-12 02:36:54,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:36:54,413 INFO L93 Difference]: Finished difference Result 61 states and 63 transitions. [2018-04-12 02:36:54,413 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-12 02:36:54,413 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 38 [2018-04-12 02:36:54,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:36:54,413 INFO L225 Difference]: With dead ends: 61 [2018-04-12 02:36:54,413 INFO L226 Difference]: Without dead ends: 57 [2018-04-12 02:36:54,413 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=119, Invalid=531, Unknown=0, NotChecked=0, Total=650 [2018-04-12 02:36:54,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-04-12 02:36:54,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-04-12 02:36:54,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-04-12 02:36:54,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 58 transitions. [2018-04-12 02:36:54,415 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 58 transitions. Word has length 38 [2018-04-12 02:36:54,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:36:54,415 INFO L459 AbstractCegarLoop]: Abstraction has 57 states and 58 transitions. [2018-04-12 02:36:54,415 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-12 02:36:54,415 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 58 transitions. [2018-04-12 02:36:54,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-04-12 02:36:54,415 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:36:54,415 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:36:54,415 INFO L408 AbstractCegarLoop]: === Iteration 17 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:36:54,416 INFO L82 PathProgramCache]: Analyzing trace with hash 1892133121, now seen corresponding path program 2 times [2018-04-12 02:36:54,416 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:36:54,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:36:54,424 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:36:54,588 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-04-12 02:36:54,589 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 02:36:54,589 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-04-12 02:36:54,589 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:36:54,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:36:54,589 INFO L182 omatonBuilderFactory]: Interpolants [2768#true, 2769#false, 2770#(and (= main_~length1~0 (select |#length| |main_#t~malloc13.base|)) (= (select |#valid| |main_#t~malloc13.base|) 1) (= 0 |main_#t~malloc13.offset|)), 2771#(and (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (= (select |#valid| main_~nondetString1~0.base) 1) (= main_~nondetString1~0.offset 0)), 2772#(and (not (= main_~nondetString1~0.base |main_#t~malloc14.base|)) (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (= main_~nondetString1~0.offset 0)), 2773#(and (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (not (= main_~nondetString1~0.base main_~nondetString2~0.base)) (= main_~nondetString1~0.offset 0)), 2774#(and (not (= main_~nondetString1~0.base main_~nondetString2~0.base)) (= 0 (select (select |#memory_int| main_~nondetString1~0.base) (+ (select |#length| main_~nondetString1~0.base) (+ main_~nondetString1~0.offset (- 1))))) (= main_~nondetString1~0.offset 0)), 2775#(= 0 (select (select |#memory_int| |cstrcmp_#in~s1.base|) (+ (select |#length| |cstrcmp_#in~s1.base|) (- 1)))), 2776#(= 0 (select (select |#memory_int| cstrcmp_~s1.base) (+ (select |#length| cstrcmp_~s1.base) (- 1)))), 2777#(or (= 0 (select (select |#memory_int| cstrcmp_~s1.base) cstrcmp_~s1.offset)) (<= (select |#length| cstrcmp_~s1.base) cstrcmp_~s1.offset) (<= (+ cstrcmp_~s1.offset 2) (select |#length| cstrcmp_~s1.base))), 2778#(and (<= 0 cstrcmp_~s1.offset) (or (and (= |cstrcmp_#t~mem2| (select (select |#memory_int| cstrcmp_~s1.base) cstrcmp_~s1.offset)) (= 0 (select (select |#memory_int| cstrcmp_~s1.base) cstrcmp_~s1.offset))) (<= (+ cstrcmp_~s1.offset 2) (select |#length| cstrcmp_~s1.base)))), 2779#(and (<= 0 cstrcmp_~s1.offset) (or (not |cstrcmp_#t~short5|) (<= (+ cstrcmp_~s1.offset 2) (select |#length| cstrcmp_~s1.base)))), 2780#(and (<= 0 cstrcmp_~s1.offset) (<= (+ cstrcmp_~s1.offset 2) (select |#length| cstrcmp_~s1.base))), 2781#(and (<= (+ cstrcmp_~s1.offset 1) (select |#length| cstrcmp_~s1.base)) (<= 1 cstrcmp_~s1.offset))] [2018-04-12 02:36:54,589 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-04-12 02:36:54,589 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-12 02:36:54,589 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-12 02:36:54,590 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2018-04-12 02:36:54,590 INFO L87 Difference]: Start difference. First operand 57 states and 58 transitions. Second operand 14 states. [2018-04-12 02:36:54,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:36:54,832 INFO L93 Difference]: Finished difference Result 58 states and 58 transitions. [2018-04-12 02:36:54,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-12 02:36:54,832 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 42 [2018-04-12 02:36:54,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:36:54,833 INFO L225 Difference]: With dead ends: 58 [2018-04-12 02:36:54,833 INFO L226 Difference]: Without dead ends: 58 [2018-04-12 02:36:54,833 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=514, Unknown=0, NotChecked=0, Total=650 [2018-04-12 02:36:54,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-04-12 02:36:54,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 54. [2018-04-12 02:36:54,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-04-12 02:36:54,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 55 transitions. [2018-04-12 02:36:54,835 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 55 transitions. Word has length 42 [2018-04-12 02:36:54,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:36:54,835 INFO L459 AbstractCegarLoop]: Abstraction has 54 states and 55 transitions. [2018-04-12 02:36:54,835 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-12 02:36:54,835 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 55 transitions. [2018-04-12 02:36:54,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-04-12 02:36:54,836 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:36:54,836 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:36:54,836 INFO L408 AbstractCegarLoop]: === Iteration 18 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:36:54,836 INFO L82 PathProgramCache]: Analyzing trace with hash 46225287, now seen corresponding path program 3 times [2018-04-12 02:36:54,837 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:36:54,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:36:54,846 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:36:55,052 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-04-12 02:36:55,052 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 02:36:55,053 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-04-12 02:36:55,053 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:36:55,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:36:55,053 INFO L182 omatonBuilderFactory]: Interpolants [2918#true, 2919#false, 2920#(and (= 0 |main_#t~malloc14.offset|) (= main_~length2~0 (select |#length| |main_#t~malloc14.base|))), 2921#(and (= main_~nondetString2~0.offset 0) (= main_~length2~0 (select |#length| main_~nondetString2~0.base))), 2922#(and (= main_~nondetString2~0.offset 0) (= 0 (select (select |#memory_int| main_~nondetString2~0.base) (+ (select |#length| main_~nondetString2~0.base) (+ main_~nondetString2~0.offset (- 1)))))), 2923#(= 0 (select (select |#memory_int| |cstrcmp_#in~s2.base|) (+ (select |#length| |cstrcmp_#in~s2.base|) (- 1)))), 2924#(= 0 (select (select |#memory_int| cstrcmp_~s2.base) (+ (select |#length| cstrcmp_~s2.base) (- 1)))), 2925#(or (<= (+ cstrcmp_~s2.offset 2) (select |#length| cstrcmp_~s2.base)) (= 0 (select (select |#memory_int| cstrcmp_~s2.base) cstrcmp_~s2.offset)) (<= (select |#length| cstrcmp_~s2.base) cstrcmp_~s2.offset)), 2926#(or (<= (+ cstrcmp_~s2.offset 2) (select |#length| cstrcmp_~s2.base)) (and (= |cstrcmp_#t~mem2| (select (select |#memory_int| cstrcmp_~s1.base) cstrcmp_~s1.offset)) (= 0 (select (select |#memory_int| cstrcmp_~s2.base) cstrcmp_~s2.offset))) (<= (select |#length| cstrcmp_~s2.base) cstrcmp_~s2.offset)), 2927#(or (<= (+ cstrcmp_~s2.offset 2) (select |#length| cstrcmp_~s2.base)) (not |cstrcmp_#t~short5|) (not (= (select (select |#memory_int| cstrcmp_~s2.base) cstrcmp_~s2.offset) (select (select |#memory_int| cstrcmp_~s1.base) cstrcmp_~s1.offset))) (<= (select |#length| cstrcmp_~s2.base) cstrcmp_~s2.offset)), 2928#(or (<= (+ cstrcmp_~s2.offset 2) (select |#length| cstrcmp_~s2.base)) (not (= (select (select |#memory_int| cstrcmp_~s2.base) cstrcmp_~s2.offset) (select (select |#memory_int| cstrcmp_~s1.base) cstrcmp_~s1.offset))) (<= (select |#length| cstrcmp_~s2.base) cstrcmp_~s2.offset)), 2929#(or (not (= (select (select |#memory_int| cstrcmp_~s2.base) cstrcmp_~s2.offset) |cstrcmp_#t~mem3|)) (<= (+ cstrcmp_~s2.offset 2) (select |#length| cstrcmp_~s2.base)) (<= (select |#length| cstrcmp_~s2.base) cstrcmp_~s2.offset)), 2930#(or (and (not (= (select (select |#memory_int| cstrcmp_~s2.base) cstrcmp_~s2.offset) |cstrcmp_#t~mem3|)) (= |cstrcmp_#t~mem4| (select (select |#memory_int| cstrcmp_~s2.base) cstrcmp_~s2.offset))) (and (<= 0 cstrcmp_~s2.offset) (<= (+ cstrcmp_~s2.offset 2) (select |#length| cstrcmp_~s2.base)))), 2931#(or (not |cstrcmp_#t~short5|) (and (<= 0 cstrcmp_~s2.offset) (<= (+ cstrcmp_~s2.offset 2) (select |#length| cstrcmp_~s2.base)))), 2932#(and (<= (+ cstrcmp_~s2.offset 1) (select |#length| cstrcmp_~s2.base)) (<= 1 cstrcmp_~s2.offset))] [2018-04-12 02:36:55,054 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-04-12 02:36:55,054 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-12 02:36:55,054 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-12 02:36:55,054 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2018-04-12 02:36:55,054 INFO L87 Difference]: Start difference. First operand 54 states and 55 transitions. Second operand 15 states. [2018-04-12 02:36:55,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:36:55,707 INFO L93 Difference]: Finished difference Result 55 states and 55 transitions. [2018-04-12 02:36:55,707 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-04-12 02:36:55,707 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 46 [2018-04-12 02:36:55,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:36:55,707 INFO L225 Difference]: With dead ends: 55 [2018-04-12 02:36:55,707 INFO L226 Difference]: Without dead ends: 0 [2018-04-12 02:36:55,707 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=261, Invalid=795, Unknown=0, NotChecked=0, Total=1056 [2018-04-12 02:36:55,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-12 02:36:55,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-12 02:36:55,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-12 02:36:55,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-12 02:36:55,708 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 46 [2018-04-12 02:36:55,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:36:55,708 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-12 02:36:55,708 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-12 02:36:55,708 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-12 02:36:55,708 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-12 02:36:55,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.04 02:36:55 BoogieIcfgContainer [2018-04-12 02:36:55,711 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-12 02:36:55,712 INFO L168 Benchmark]: Toolchain (without parser) took 6800.82 ms. Allocated memory was 476.6 MB in the beginning and 765.5 MB in the end (delta: 288.9 MB). Free memory was 410.6 MB in the beginning and 583.7 MB in the end (delta: -173.2 MB). Peak memory consumption was 115.7 MB. Max. memory is 5.3 GB. [2018-04-12 02:36:55,713 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 476.6 MB. Free memory is still 437.0 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-12 02:36:55,713 INFO L168 Benchmark]: CACSL2BoogieTranslator took 259.68 ms. Allocated memory is still 476.6 MB. Free memory was 410.6 MB in the beginning and 386.8 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 5.3 GB. [2018-04-12 02:36:55,713 INFO L168 Benchmark]: Boogie Preprocessor took 38.40 ms. Allocated memory is still 476.6 MB. Free memory was 386.8 MB in the beginning and 384.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-12 02:36:55,713 INFO L168 Benchmark]: RCFGBuilder took 465.49 ms. Allocated memory was 476.6 MB in the beginning and 611.8 MB in the end (delta: 135.3 MB). Free memory was 384.2 MB in the beginning and 534.6 MB in the end (delta: -150.4 MB). Peak memory consumption was 36.4 MB. Max. memory is 5.3 GB. [2018-04-12 02:36:55,714 INFO L168 Benchmark]: TraceAbstraction took 6034.27 ms. Allocated memory was 611.8 MB in the beginning and 765.5 MB in the end (delta: 153.6 MB). Free memory was 534.6 MB in the beginning and 583.7 MB in the end (delta: -49.2 MB). Peak memory consumption was 104.5 MB. Max. memory is 5.3 GB. [2018-04-12 02:36:55,715 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 476.6 MB. Free memory is still 437.0 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 259.68 ms. Allocated memory is still 476.6 MB. Free memory was 410.6 MB in the beginning and 386.8 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 38.40 ms. Allocated memory is still 476.6 MB. Free memory was 386.8 MB in the beginning and 384.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 465.49 ms. Allocated memory was 476.6 MB in the beginning and 611.8 MB in the end (delta: 135.3 MB). Free memory was 384.2 MB in the beginning and 534.6 MB in the end (delta: -150.4 MB). Peak memory consumption was 36.4 MB. Max. memory is 5.3 GB. * TraceAbstraction took 6034.27 ms. Allocated memory was 611.8 MB in the beginning and 765.5 MB in the end (delta: 153.6 MB). Free memory was 534.6 MB in the beginning and 583.7 MB in the end (delta: -49.2 MB). Peak memory consumption was 104.5 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 543]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 543]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 543]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 543]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 543]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 543]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 563]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 562]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 563]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 551]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 562]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 15 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 62 locations, 15 error locations. SAFE Result, 5.9s OverallTime, 18 OverallIterations, 4 TraceHistogramMax, 3.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 680 SDtfs, 1190 SDslu, 2306 SDs, 0 SdLazy, 2378 SolverSat, 200 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 280 GetRequests, 34 SyntacticMatches, 2 SemanticMatches, 244 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 769 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=121occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 26/122 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 18 MinimizatonAttempts, 148 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 464 NumberOfCodeBlocks, 464 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 446 ConstructedInterpolants, 0 QuantifiedInterpolants, 117442 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 12 PerfectInterpolantSequences, 26/122 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/cstrcmp-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-12_02-36-55-720.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrcmp-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-12_02-36-55-720.csv Received shutdown request...