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/cstrchr_unsafe_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-408c70d-m [2018-04-12 19:45:10,218 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-12 19:45:10,219 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-12 19:45:10,232 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-12 19:45:10,232 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-12 19:45:10,233 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-12 19:45:10,233 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-12 19:45:10,235 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-12 19:45:10,237 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-12 19:45:10,238 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-12 19:45:10,239 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-12 19:45:10,239 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-12 19:45:10,240 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-12 19:45:10,241 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-12 19:45:10,241 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-12 19:45:10,243 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-12 19:45:10,244 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-12 19:45:10,246 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-12 19:45:10,247 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-12 19:45:10,248 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-12 19:45:10,250 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-12 19:45:10,250 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-12 19:45:10,250 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-12 19:45:10,251 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-12 19:45:10,252 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-12 19:45:10,253 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-12 19:45:10,253 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-12 19:45:10,253 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-12 19:45:10,254 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-12 19:45:10,254 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-12 19:45:10,254 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-12 19:45:10,255 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 19:45:10,263 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-12 19:45:10,263 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-12 19:45:10,264 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-12 19:45:10,265 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-12 19:45:10,265 INFO L133 SettingsManager]: * Use SBE=true [2018-04-12 19:45:10,265 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-12 19:45:10,265 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-12 19:45:10,265 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-12 19:45:10,265 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-12 19:45:10,266 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-12 19:45:10,266 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-12 19:45:10,266 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-12 19:45:10,266 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-12 19:45:10,266 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-12 19:45:10,266 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-12 19:45:10,266 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-12 19:45:10,267 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-12 19:45:10,267 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-12 19:45:10,267 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-12 19:45:10,267 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-12 19:45:10,267 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-12 19:45:10,267 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 19:45:10,293 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-12 19:45:10,302 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-12 19:45:10,305 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-12 19:45:10,305 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-12 19:45:10,306 INFO L276 PluginConnector]: CDTParser initialized [2018-04-12 19:45:10,306 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,574 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG453251d99 [2018-04-12 19:45:10,691 INFO L287 CDTParser]: IsIndexed: true [2018-04-12 19:45:10,691 INFO L288 CDTParser]: Found 1 translation units. [2018-04-12 19:45:10,692 INFO L168 CDTParser]: Scanning cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,699 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-12 19:45:10,699 INFO L215 ultiparseSymbolTable]: [2018-04-12 19:45:10,699 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-12 19:45:10,699 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____bswap_64 ('__bswap_64') in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,699 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,700 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____bswap_32 ('__bswap_32') in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,700 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_String ('build_nondet_String') in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,700 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__ ('') in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,700 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-12 19:45:10,700 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__timer_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,700 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____int8_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,700 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____fsblkcnt64_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,700 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____fsword_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,700 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__pthread_once_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,700 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__ssize_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,701 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__gid_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,701 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__u_short in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,701 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__wchar_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,701 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__int8_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,701 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__u_int64_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,701 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____intptr_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,701 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__loff_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,701 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__ino_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,701 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____int64_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,701 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__size_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,702 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____u_int in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,702 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__ldiv_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,702 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__off_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,702 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____useconds_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,702 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__pthread_mutex_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,702 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____clockid_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,702 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____fsfilcnt64_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,702 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__pthread_attr_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,702 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____socklen_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,702 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__register_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,702 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__u_int in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,703 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____rlim_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,703 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__clockid_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,703 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____blkcnt_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,703 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____int32_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,703 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__pthread_mutexattr_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,703 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__dev_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,703 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____pid_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,703 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____timer_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,703 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____suseconds_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,703 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__fsblkcnt_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,703 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____ino64_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,703 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__id_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,703 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____ssize_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,704 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____fd_mask in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,704 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__fsfilcnt_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,704 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____id_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,704 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__nlink_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,704 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____gid_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,704 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____off_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,704 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__uint in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,704 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____syscall_ulong_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,704 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__u_int8_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,704 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__pthread_rwlockattr_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,704 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____uid_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,704 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__pthread_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,705 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____blkcnt64_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,705 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____uint64_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,705 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__fd_mask in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,705 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__key_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,705 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__int32_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,705 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____sig_atomic_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,705 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____nlink_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,705 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__sigset_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,705 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____pthread_list_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,705 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__pthread_barrierattr_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,705 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__blkcnt_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,706 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__u_int32_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,706 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____u_long in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,706 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__u_char in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,706 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__ulong in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,706 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__u_quad_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,706 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____int16_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,706 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____off64_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,706 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__blksize_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,706 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__pthread_rwlock_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,706 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__pthread_key_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,706 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____quad_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,706 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____uint32_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,707 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____u_char in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,707 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__pthread_barrier_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,707 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____u_quad_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,707 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____syscall_slong_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,707 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__time_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,707 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__uid_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,707 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____fsblkcnt_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,707 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__int16_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,707 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__lldiv_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,707 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__quad_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,707 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__caddr_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,707 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__u_int16_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,708 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__fsid_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,708 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__pthread_spinlock_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,708 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____loff_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,708 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__div_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,708 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____uint8_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,708 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__pthread_cond_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,708 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____clock_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,708 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____key_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,708 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__ushort in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,708 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____time_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,708 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__pthread_condattr_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,708 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____WAIT_STATUS in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,709 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__int64_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,709 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____sigset_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,709 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____rlim64_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,709 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____fsfilcnt_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,709 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____mode_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,709 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____ino_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,709 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____daddr_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,709 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____fsid_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,709 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____uint16_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,709 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____qaddr_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,709 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____blksize_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,709 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__pid_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,710 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__daddr_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,710 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__fd_set in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,710 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__u_long in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,710 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____caddr_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,710 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__suseconds_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,710 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__clock_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,710 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____u_short in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,710 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____dev_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,710 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__mode_t in cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:10,724 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG453251d99 [2018-04-12 19:45:10,727 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-12 19:45:10,728 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-12 19:45:10,729 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-12 19:45:10,729 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-12 19:45:10,733 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-12 19:45:10,734 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 07:45:10" (1/1) ... [2018-04-12 19:45:10,736 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fe1c909 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:45:10, skipping insertion in model container [2018-04-12 19:45:10,736 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 07:45:10" (1/1) ... [2018-04-12 19:45:10,747 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 19:45:10,768 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 19:45:10,890 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 19:45:10,926 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 19:45:10,931 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 113 non ball SCCs. Number of states in SCCs 113. [2018-04-12 19:45:10,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:45:10 WrapperNode [2018-04-12 19:45:10,959 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-12 19:45:10,959 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-12 19:45:10,960 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-12 19:45:10,960 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-12 19:45:10,968 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:45:10" (1/1) ... [2018-04-12 19:45:10,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:45:10" (1/1) ... [2018-04-12 19:45:10,979 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:45:10" (1/1) ... [2018-04-12 19:45:10,979 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:45:10" (1/1) ... [2018-04-12 19:45:10,988 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:45:10" (1/1) ... [2018-04-12 19:45:10,992 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:45:10" (1/1) ... [2018-04-12 19:45:10,994 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:45:10" (1/1) ... [2018-04-12 19:45:10,997 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-12 19:45:10,998 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-12 19:45:10,998 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-12 19:45:10,998 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-12 19:45:10,999 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:45:10" (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 19:45:11,088 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-12 19:45:11,088 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-12 19:45:11,088 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____bswap_32 [2018-04-12 19:45:11,088 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____bswap_64 [2018-04-12 19:45:11,088 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_String [2018-04-12 19:45:11,088 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrchr [2018-04-12 19:45:11,088 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-12 19:45:11,088 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____bswap_32 [2018-04-12 19:45:11,088 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrchr_unsafe_false_valid_deref_i____bswap_64 [2018-04-12 19:45:11,088 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-12 19:45:11,088 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-12 19:45:11,089 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-12 19:45:11,089 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-12 19:45:11,089 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-12 19:45:11,089 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-12 19:45:11,089 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-12 19:45:11,089 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-12 19:45:11,089 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-12 19:45:11,089 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-12 19:45:11,089 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-12 19:45:11,089 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-12 19:45:11,090 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-12 19:45:11,090 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-12 19:45:11,090 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-12 19:45:11,090 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-12 19:45:11,090 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-12 19:45:11,090 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-12 19:45:11,090 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-12 19:45:11,090 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-12 19:45:11,090 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-12 19:45:11,091 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-12 19:45:11,091 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-12 19:45:11,091 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-12 19:45:11,091 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-12 19:45:11,091 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-12 19:45:11,091 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-12 19:45:11,091 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-12 19:45:11,091 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-12 19:45:11,091 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-12 19:45:11,091 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-12 19:45:11,092 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-12 19:45:11,092 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-12 19:45:11,092 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-12 19:45:11,092 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-12 19:45:11,092 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-12 19:45:11,092 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-12 19:45:11,092 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-12 19:45:11,092 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-12 19:45:11,092 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-12 19:45:11,092 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-12 19:45:11,092 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-12 19:45:11,092 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-12 19:45:11,092 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-12 19:45:11,092 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-12 19:45:11,092 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-12 19:45:11,092 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-12 19:45:11,093 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-12 19:45:11,093 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-12 19:45:11,093 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-12 19:45:11,093 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-12 19:45:11,093 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-12 19:45:11,093 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-12 19:45:11,093 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-12 19:45:11,093 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-12 19:45:11,093 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-12 19:45:11,093 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-12 19:45:11,093 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-12 19:45:11,093 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-12 19:45:11,093 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-12 19:45:11,093 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-12 19:45:11,094 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-12 19:45:11,094 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-12 19:45:11,094 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-12 19:45:11,094 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-12 19:45:11,094 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-12 19:45:11,094 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-12 19:45:11,094 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-12 19:45:11,094 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-12 19:45:11,094 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-12 19:45:11,094 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-12 19:45:11,094 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-12 19:45:11,094 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-12 19:45:11,095 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-12 19:45:11,095 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-12 19:45:11,095 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-12 19:45:11,095 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-12 19:45:11,095 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-12 19:45:11,095 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-12 19:45:11,095 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-12 19:45:11,095 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-12 19:45:11,095 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-12 19:45:11,095 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-12 19:45:11,095 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-12 19:45:11,095 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-12 19:45:11,095 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-12 19:45:11,095 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-12 19:45:11,096 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-12 19:45:11,096 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-12 19:45:11,096 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-12 19:45:11,096 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-12 19:45:11,096 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-12 19:45:11,096 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-12 19:45:11,096 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-12 19:45:11,096 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-12 19:45:11,096 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-12 19:45:11,096 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-12 19:45:11,096 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-12 19:45:11,097 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-12 19:45:11,097 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-12 19:45:11,097 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-12 19:45:11,097 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_String [2018-04-12 19:45:11,097 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-12 19:45:11,097 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-12 19:45:11,097 INFO L128 BoogieDeclarations]: Found specification of procedure cstrchr [2018-04-12 19:45:11,097 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-12 19:45:11,097 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-12 19:45:11,097 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-12 19:45:11,097 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-12 19:45:11,097 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-12 19:45:11,097 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-12 19:45:11,367 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-12 19:45:11,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 07:45:11 BoogieIcfgContainer [2018-04-12 19:45:11,368 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-12 19:45:11,368 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-12 19:45:11,368 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-12 19:45:11,370 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-12 19:45:11,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.04 07:45:10" (1/3) ... [2018-04-12 19:45:11,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a990ee6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 07:45:11, skipping insertion in model container [2018-04-12 19:45:11,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:45:10" (2/3) ... [2018-04-12 19:45:11,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a990ee6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 07:45:11, skipping insertion in model container [2018-04-12 19:45:11,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 07:45:11" (3/3) ... [2018-04-12 19:45:11,372 INFO L107 eAbstractionObserver]: Analyzing ICFG cstrchr_unsafe_false-valid-deref.i [2018-04-12 19:45:11,378 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-04-12 19:45:11,382 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations. [2018-04-12 19:45:11,406 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-12 19:45:11,407 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-12 19:45:11,407 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-12 19:45:11,407 INFO L371 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-04-12 19:45:11,407 INFO L372 AbstractCegarLoop]: Backedges is CANONICAL [2018-04-12 19:45:11,407 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-12 19:45:11,407 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-12 19:45:11,407 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-12 19:45:11,407 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-12 19:45:11,408 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-12 19:45:11,416 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states. [2018-04-12 19:45:11,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-04-12 19:45:11,422 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:45:11,423 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:45:11,423 INFO L408 AbstractCegarLoop]: === Iteration 1 === [cstrchrErr4RequiresViolation, cstrchrErr2RequiresViolation, cstrchrErr5RequiresViolation, cstrchrErr3RequiresViolation, cstrchrErr1RequiresViolation, cstrchrErr0RequiresViolation, __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_StringErr1RequiresViolation, __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_StringErr0RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE]=== [2018-04-12 19:45:11,425 INFO L82 PathProgramCache]: Analyzing trace with hash -1985295244, now seen corresponding path program 1 times [2018-04-12 19:45:11,456 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:45:11,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:45:11,487 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:45:11,524 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 19:45:11,526 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:45:11,526 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 19:45:11,527 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:45:11,527 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 19:45:11,527 INFO L182 omatonBuilderFactory]: Interpolants [55#true, 56#false, 57#(= 1 (select |#valid| |__U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_String_#t~malloc3.base|)), 58#(= 1 (select |#valid| __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_String_~nondetString~0.base))] [2018-04-12 19:45:11,527 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 19:45:11,528 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 19:45:11,537 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 19:45:11,537 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 19:45:11,539 INFO L87 Difference]: Start difference. First operand 52 states. Second operand 4 states. [2018-04-12 19:45:11,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:45:11,598 INFO L93 Difference]: Finished difference Result 51 states and 54 transitions. [2018-04-12 19:45:11,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-12 19:45:11,599 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2018-04-12 19:45:11,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:45:11,607 INFO L225 Difference]: With dead ends: 51 [2018-04-12 19:45:11,607 INFO L226 Difference]: Without dead ends: 48 [2018-04-12 19:45:11,609 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 19:45:11,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-04-12 19:45:11,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2018-04-12 19:45:11,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-04-12 19:45:11,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 51 transitions. [2018-04-12 19:45:11,632 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 51 transitions. Word has length 11 [2018-04-12 19:45:11,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:45:11,632 INFO L459 AbstractCegarLoop]: Abstraction has 48 states and 51 transitions. [2018-04-12 19:45:11,632 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 19:45:11,632 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 51 transitions. [2018-04-12 19:45:11,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-04-12 19:45:11,633 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:45:11,633 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:45:11,633 INFO L408 AbstractCegarLoop]: === Iteration 2 === [cstrchrErr4RequiresViolation, cstrchrErr2RequiresViolation, cstrchrErr5RequiresViolation, cstrchrErr3RequiresViolation, cstrchrErr1RequiresViolation, cstrchrErr0RequiresViolation, __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_StringErr1RequiresViolation, __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_StringErr0RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE]=== [2018-04-12 19:45:11,633 INFO L82 PathProgramCache]: Analyzing trace with hash -1985295243, now seen corresponding path program 1 times [2018-04-12 19:45:11,634 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:45:11,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:45:11,646 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:45:11,697 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 19:45:11,697 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:45:11,697 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 19:45:11,698 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:45:11,698 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 19:45:11,698 INFO L182 omatonBuilderFactory]: Interpolants [160#true, 161#false, 162#(<= 1 __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_String_~length~0), 163#(and (<= 1 __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_String_~length~0) (= 0 |__U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_String_#t~malloc3.offset|) (= __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_String_~length~0 (select |#length| |__U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_String_#t~malloc3.base|))), 164#(and (= __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_String_~nondetString~0.offset 0) (<= 1 __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_String_~length~0) (= __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_String_~length~0 (select |#length| __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_String_~nondetString~0.base)))] [2018-04-12 19:45:11,698 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 19:45:11,699 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 19:45:11,700 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 19:45:11,700 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 19:45:11,700 INFO L87 Difference]: Start difference. First operand 48 states and 51 transitions. Second operand 5 states. [2018-04-12 19:45:11,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:45:11,732 INFO L93 Difference]: Finished difference Result 47 states and 50 transitions. [2018-04-12 19:45:11,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 19:45:11,733 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2018-04-12 19:45:11,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:45:11,733 INFO L225 Difference]: With dead ends: 47 [2018-04-12 19:45:11,733 INFO L226 Difference]: Without dead ends: 47 [2018-04-12 19:45:11,734 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 19:45:11,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-04-12 19:45:11,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2018-04-12 19:45:11,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-04-12 19:45:11,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 50 transitions. [2018-04-12 19:45:11,738 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 50 transitions. Word has length 11 [2018-04-12 19:45:11,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:45:11,739 INFO L459 AbstractCegarLoop]: Abstraction has 47 states and 50 transitions. [2018-04-12 19:45:11,739 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 19:45:11,739 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 50 transitions. [2018-04-12 19:45:11,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-12 19:45:11,739 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:45:11,739 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:45:11,739 INFO L408 AbstractCegarLoop]: === Iteration 3 === [cstrchrErr4RequiresViolation, cstrchrErr2RequiresViolation, cstrchrErr5RequiresViolation, cstrchrErr3RequiresViolation, cstrchrErr1RequiresViolation, cstrchrErr0RequiresViolation, __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_StringErr1RequiresViolation, __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_StringErr0RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE]=== [2018-04-12 19:45:11,740 INFO L82 PathProgramCache]: Analyzing trace with hash -821460716, now seen corresponding path program 1 times [2018-04-12 19:45:11,740 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:45:11,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:45:11,757 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:45:11,798 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 19:45:11,798 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:45:11,798 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-12 19:45:11,798 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:45:11,798 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 19:45:11,798 INFO L182 omatonBuilderFactory]: Interpolants [261#true, 262#false, 263#(= 1 (select |#valid| __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_String_~nondetString~0.base)), 264#(= 1 (select |#valid| |__U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_String_#res.base|)), 265#(= 1 (select |#valid| |main_#t~ret10.base|)), 266#(= 1 (select |#valid| main_~s~0.base)), 267#(= 1 (select |#valid| |cstrchr_#in~s.base|)), 268#(= 1 (select |#valid| cstrchr_~s.base))] [2018-04-12 19:45:11,798 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 19:45:11,798 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-12 19:45:11,799 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-12 19:45:11,799 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-04-12 19:45:11,799 INFO L87 Difference]: Start difference. First operand 47 states and 50 transitions. Second operand 8 states. [2018-04-12 19:45:11,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:45:11,880 INFO L93 Difference]: Finished difference Result 43 states and 46 transitions. [2018-04-12 19:45:11,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-12 19:45:11,880 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 19 [2018-04-12 19:45:11,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:45:11,881 INFO L225 Difference]: With dead ends: 43 [2018-04-12 19:45:11,881 INFO L226 Difference]: Without dead ends: 43 [2018-04-12 19:45:11,881 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2018-04-12 19:45:11,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-04-12 19:45:11,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-04-12 19:45:11,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-04-12 19:45:11,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 46 transitions. [2018-04-12 19:45:11,883 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 46 transitions. Word has length 19 [2018-04-12 19:45:11,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:45:11,883 INFO L459 AbstractCegarLoop]: Abstraction has 43 states and 46 transitions. [2018-04-12 19:45:11,884 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-12 19:45:11,884 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 46 transitions. [2018-04-12 19:45:11,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-12 19:45:11,884 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:45:11,884 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:45:11,884 INFO L408 AbstractCegarLoop]: === Iteration 4 === [cstrchrErr4RequiresViolation, cstrchrErr2RequiresViolation, cstrchrErr5RequiresViolation, cstrchrErr3RequiresViolation, cstrchrErr1RequiresViolation, cstrchrErr0RequiresViolation, __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_StringErr1RequiresViolation, __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_StringErr0RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE]=== [2018-04-12 19:45:11,884 INFO L82 PathProgramCache]: Analyzing trace with hash -821460715, now seen corresponding path program 1 times [2018-04-12 19:45:11,885 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:45:11,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:45:11,895 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:45:11,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:45:11,994 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:45:11,994 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-04-12 19:45:11,994 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:45:11,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:45:11,994 INFO L182 omatonBuilderFactory]: Interpolants [368#(and (= 0 |cstrchr_#in~s.offset|) (<= 1 (select |#length| |cstrchr_#in~s.base|))), 369#(and (<= 1 (select |#length| cstrchr_~s.base)) (= cstrchr_~s.offset 0)), 359#true, 360#false, 361#(<= 1 __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_String_~length~0), 362#(and (<= 1 __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_String_~length~0) (= 0 |__U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_String_#t~malloc3.offset|) (= __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_String_~length~0 (select |#length| |__U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_String_#t~malloc3.base|))), 363#(and (<= 1 __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_String_~length~0) (= __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_String_~length~0 (select |#length| __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_String_~nondetString~0.base)) (= 0 __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_String_~nondetString~0.offset)), 364#(and (= 0 __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_String_~nondetString~0.offset) (<= 1 (select |#length| __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_String_~nondetString~0.base))), 365#(and (<= 1 (select |#length| |__U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_String_#res.base|)) (= 0 |__U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_String_#res.offset|)), 366#(and (= 0 |main_#t~ret10.offset|) (<= 1 (select |#length| |main_#t~ret10.base|))), 367#(and (<= 1 (select |#length| main_~s~0.base)) (= 0 main_~s~0.offset))] [2018-04-12 19:45:11,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:45:11,995 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-12 19:45:11,995 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-12 19:45:11,995 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-04-12 19:45:11,995 INFO L87 Difference]: Start difference. First operand 43 states and 46 transitions. Second operand 11 states. [2018-04-12 19:45:12,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:45:12,147 INFO L93 Difference]: Finished difference Result 54 states and 60 transitions. [2018-04-12 19:45:12,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-12 19:45:12,147 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 19 [2018-04-12 19:45:12,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:45:12,150 INFO L225 Difference]: With dead ends: 54 [2018-04-12 19:45:12,150 INFO L226 Difference]: Without dead ends: 54 [2018-04-12 19:45:12,150 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2018-04-12 19:45:12,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-04-12 19:45:12,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 50. [2018-04-12 19:45:12,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-04-12 19:45:12,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 55 transitions. [2018-04-12 19:45:12,154 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 55 transitions. Word has length 19 [2018-04-12 19:45:12,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:45:12,155 INFO L459 AbstractCegarLoop]: Abstraction has 50 states and 55 transitions. [2018-04-12 19:45:12,155 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-12 19:45:12,155 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 55 transitions. [2018-04-12 19:45:12,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-12 19:45:12,155 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:45:12,156 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] [2018-04-12 19:45:12,156 INFO L408 AbstractCegarLoop]: === Iteration 5 === [cstrchrErr4RequiresViolation, cstrchrErr2RequiresViolation, cstrchrErr5RequiresViolation, cstrchrErr3RequiresViolation, cstrchrErr1RequiresViolation, cstrchrErr0RequiresViolation, __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_StringErr1RequiresViolation, __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_StringErr0RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE]=== [2018-04-12 19:45:12,156 INFO L82 PathProgramCache]: Analyzing trace with hash 1890750368, now seen corresponding path program 1 times [2018-04-12 19:45:12,157 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:45:12,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:45:12,169 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:45:12,194 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 19:45:12,194 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:45:12,194 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 19:45:12,195 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:45:12,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:45:12,195 INFO L182 omatonBuilderFactory]: Interpolants [480#true, 481#false, 482#(not |cstrchr_#t~short6|)] [2018-04-12 19:45:12,195 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 19:45:12,195 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-12 19:45:12,195 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-12 19:45:12,196 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-12 19:45:12,196 INFO L87 Difference]: Start difference. First operand 50 states and 55 transitions. Second operand 3 states. [2018-04-12 19:45:12,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:45:12,206 INFO L93 Difference]: Finished difference Result 52 states and 57 transitions. [2018-04-12 19:45:12,207 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-12 19:45:12,207 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2018-04-12 19:45:12,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:45:12,207 INFO L225 Difference]: With dead ends: 52 [2018-04-12 19:45:12,208 INFO L226 Difference]: Without dead ends: 52 [2018-04-12 19:45:12,208 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 19:45:12,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-04-12 19:45:12,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-04-12 19:45:12,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-04-12 19:45:12,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 57 transitions. [2018-04-12 19:45:12,212 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 57 transitions. Word has length 24 [2018-04-12 19:45:12,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:45:12,212 INFO L459 AbstractCegarLoop]: Abstraction has 52 states and 57 transitions. [2018-04-12 19:45:12,213 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-12 19:45:12,213 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 57 transitions. [2018-04-12 19:45:12,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-04-12 19:45:12,213 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:45:12,213 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 19:45:12,214 INFO L408 AbstractCegarLoop]: === Iteration 6 === [cstrchrErr4RequiresViolation, cstrchrErr2RequiresViolation, cstrchrErr5RequiresViolation, cstrchrErr3RequiresViolation, cstrchrErr1RequiresViolation, cstrchrErr0RequiresViolation, __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_StringErr1RequiresViolation, __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_StringErr0RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE]=== [2018-04-12 19:45:12,214 INFO L82 PathProgramCache]: Analyzing trace with hash 58376803, now seen corresponding path program 1 times [2018-04-12 19:45:12,214 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:45:12,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:45:12,230 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:45:12,421 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 19:45:12,421 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 19:45:12,422 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-04-12 19:45:12,422 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:45:12,422 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 19:45:12,422 INFO L182 omatonBuilderFactory]: Interpolants [587#true, 588#false, 589#(<= 1 __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_String_~length~0), 590#(and (<= 1 __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_String_~length~0) (= 0 |__U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_String_#t~malloc3.offset|)), 591#(and (<= 1 __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_String_~length~0) (= 0 __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_String_~nondetString~0.offset)), 592#(and (or (<= 2 (select |#length| __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_String_~nondetString~0.base)) (= 0 (select (select |#memory_int| __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_String_~nondetString~0.base) __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_String_~nondetString~0.offset))) (= 0 __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_String_~nondetString~0.offset)), 593#(and (= 0 |__U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_String_#res.offset|) (or (= 0 (select (select |#memory_int| |__U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_String_#res.base|) |__U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_String_#res.offset|)) (<= 2 (select |#length| |__U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_String_#res.base|)))), 594#(and (= 0 |main_#t~ret10.offset|) (or (<= 2 (select |#length| |main_#t~ret10.base|)) (= 0 (select (select |#memory_int| |main_#t~ret10.base|) |main_#t~ret10.offset|)))), 595#(and (= 0 main_~s~0.offset) (or (<= 2 (select |#length| main_~s~0.base)) (= 0 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset)))), 596#(and (or (= 0 (select (select |#memory_int| |cstrchr_#in~s.base|) |cstrchr_#in~s.offset|)) (<= 2 (select |#length| |cstrchr_#in~s.base|))) (= 0 |cstrchr_#in~s.offset|)), 597#(and (or (<= 2 (select |#length| cstrchr_~s.base)) (= 0 (select (select |#memory_int| cstrchr_~s.base) cstrchr_~s.offset))) (= cstrchr_~s.offset 0)), 598#(and (or (<= 2 (select |#length| cstrchr_~s.base)) (and (= 0 (select (select |#memory_int| cstrchr_~s.base) cstrchr_~s.offset)) (= |cstrchr_#t~mem4| (select (select |#memory_int| cstrchr_~s.base) cstrchr_~s.offset)))) (= cstrchr_~s.offset 0)), 599#(and (or (<= 2 (select |#length| cstrchr_~s.base)) (not |cstrchr_#t~short6|)) (= cstrchr_~s.offset 0)), 600#(and (<= 2 (select |#length| cstrchr_~s.base)) (= cstrchr_~s.offset 0)), 601#(and (<= 1 cstrchr_~s.offset) (<= (+ cstrchr_~s.offset 1) (select |#length| cstrchr_~s.base)))] [2018-04-12 19:45:12,422 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 19:45:12,423 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-12 19:45:12,423 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-12 19:45:12,423 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2018-04-12 19:45:12,423 INFO L87 Difference]: Start difference. First operand 52 states and 57 transitions. Second operand 15 states. [2018-04-12 19:45:12,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:45:12,678 INFO L93 Difference]: Finished difference Result 74 states and 84 transitions. [2018-04-12 19:45:12,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-12 19:45:12,678 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 26 [2018-04-12 19:45:12,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:45:12,679 INFO L225 Difference]: With dead ends: 74 [2018-04-12 19:45:12,679 INFO L226 Difference]: Without dead ends: 74 [2018-04-12 19:45:12,679 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=420, Unknown=0, NotChecked=0, Total=506 [2018-04-12 19:45:12,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-04-12 19:45:12,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 59. [2018-04-12 19:45:12,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-04-12 19:45:12,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 66 transitions. [2018-04-12 19:45:12,683 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 66 transitions. Word has length 26 [2018-04-12 19:45:12,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:45:12,683 INFO L459 AbstractCegarLoop]: Abstraction has 59 states and 66 transitions. [2018-04-12 19:45:12,683 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-12 19:45:12,683 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 66 transitions. [2018-04-12 19:45:12,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-12 19:45:12,683 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:45:12,683 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] [2018-04-12 19:45:12,683 INFO L408 AbstractCegarLoop]: === Iteration 7 === [cstrchrErr4RequiresViolation, cstrchrErr2RequiresViolation, cstrchrErr5RequiresViolation, cstrchrErr3RequiresViolation, cstrchrErr1RequiresViolation, cstrchrErr0RequiresViolation, __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_StringErr1RequiresViolation, __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_StringErr0RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE]=== [2018-04-12 19:45:12,683 INFO L82 PathProgramCache]: Analyzing trace with hash 1882934765, now seen corresponding path program 1 times [2018-04-12 19:45:12,684 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:45:12,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:45:12,693 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:45:12,745 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 19:45:12,745 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:45:12,745 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-04-12 19:45:12,745 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:45:12,745 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 19:45:12,746 INFO L182 omatonBuilderFactory]: Interpolants [752#false, 753#(= 1 (select |#valid| __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_String_~nondetString~0.base)), 754#(= 1 (select |#valid| |__U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_String_#res.base|)), 755#(= 1 (select |#valid| |main_#t~ret10.base|)), 756#(= 1 (select |#valid| main_~s~0.base)), 757#(= |cstrchr_#in~s.base| cstrchr_~s.base), 758#(= |cstrchr_#in~s.base| |cstrchr_#t~ite9.base|), 759#(= |cstrchr_#in~s.base| |cstrchr_#res.base|), 760#(= 1 (select |#valid| |main_#t~ret12.base|)), 751#true] [2018-04-12 19:45:12,746 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 19:45:12,746 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-12 19:45:12,746 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-12 19:45:12,746 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-04-12 19:45:12,746 INFO L87 Difference]: Start difference. First operand 59 states and 66 transitions. Second operand 10 states. [2018-04-12 19:45:12,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:45:12,864 INFO L93 Difference]: Finished difference Result 64 states and 71 transitions. [2018-04-12 19:45:12,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-12 19:45:12,864 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 28 [2018-04-12 19:45:12,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:45:12,865 INFO L225 Difference]: With dead ends: 64 [2018-04-12 19:45:12,865 INFO L226 Difference]: Without dead ends: 64 [2018-04-12 19:45:12,865 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-04-12 19:45:12,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-04-12 19:45:12,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 63. [2018-04-12 19:45:12,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-04-12 19:45:12,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 71 transitions. [2018-04-12 19:45:12,870 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 71 transitions. Word has length 28 [2018-04-12 19:45:12,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:45:12,870 INFO L459 AbstractCegarLoop]: Abstraction has 63 states and 71 transitions. [2018-04-12 19:45:12,870 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-12 19:45:12,871 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 71 transitions. [2018-04-12 19:45:12,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-12 19:45:12,871 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:45:12,871 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] [2018-04-12 19:45:12,871 INFO L408 AbstractCegarLoop]: === Iteration 8 === [cstrchrErr4RequiresViolation, cstrchrErr2RequiresViolation, cstrchrErr5RequiresViolation, cstrchrErr3RequiresViolation, cstrchrErr1RequiresViolation, cstrchrErr0RequiresViolation, __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_StringErr1RequiresViolation, __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_StringErr0RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE]=== [2018-04-12 19:45:12,871 INFO L82 PathProgramCache]: Analyzing trace with hash 1882934766, now seen corresponding path program 1 times [2018-04-12 19:45:12,872 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:45:12,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:45:12,879 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:45:12,978 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 19:45:12,978 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:45:12,978 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-04-12 19:45:12,978 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:45:12,978 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 19:45:12,979 INFO L182 omatonBuilderFactory]: Interpolants [896#true, 897#false, 898#(= 0 |__U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_String_#t~malloc3.offset|), 899#(= 0 __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_String_~nondetString~0.offset), 900#(= 0 |__U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_String_#res.offset|), 901#(= 0 |main_#t~ret10.offset|), 902#(= 0 main_~s~0.offset), 903#(= |cstrchr_#in~s.offset| cstrchr_~s.offset), 904#(and (or (not (= cstrchr_~s.offset 0)) (<= (+ cstrchr_~s.offset 1) (select |#length| cstrchr_~s.base))) (= |cstrchr_#in~s.offset| cstrchr_~s.offset)), 905#(and (or (<= 1 (select |#length| |cstrchr_#t~ite9.base|)) (not (= |cstrchr_#in~s.offset| 0))) (= |cstrchr_#in~s.offset| |cstrchr_#t~ite9.offset|)), 906#(and (or (not (= |cstrchr_#in~s.offset| 0)) (<= 1 (select |#length| |cstrchr_#res.base|))) (= |cstrchr_#in~s.offset| |cstrchr_#res.offset|)), 907#(and (= |main_#t~ret12.offset| 0) (<= 1 (select |#length| |main_#t~ret12.base|)))] [2018-04-12 19:45:12,979 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 19:45:12,979 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-12 19:45:12,979 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-12 19:45:12,979 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2018-04-12 19:45:12,980 INFO L87 Difference]: Start difference. First operand 63 states and 71 transitions. Second operand 12 states. [2018-04-12 19:45:13,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:45:13,106 INFO L93 Difference]: Finished difference Result 74 states and 83 transitions. [2018-04-12 19:45:13,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-12 19:45:13,108 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 28 [2018-04-12 19:45:13,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:45:13,109 INFO L225 Difference]: With dead ends: 74 [2018-04-12 19:45:13,110 INFO L226 Difference]: Without dead ends: 74 [2018-04-12 19:45:13,110 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2018-04-12 19:45:13,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-04-12 19:45:13,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 70. [2018-04-12 19:45:13,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2018-04-12 19:45:13,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 79 transitions. [2018-04-12 19:45:13,114 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 79 transitions. Word has length 28 [2018-04-12 19:45:13,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:45:13,115 INFO L459 AbstractCegarLoop]: Abstraction has 70 states and 79 transitions. [2018-04-12 19:45:13,115 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-12 19:45:13,115 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 79 transitions. [2018-04-12 19:45:13,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-12 19:45:13,116 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:45:13,116 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] [2018-04-12 19:45:13,119 INFO L408 AbstractCegarLoop]: === Iteration 9 === [cstrchrErr4RequiresViolation, cstrchrErr2RequiresViolation, cstrchrErr5RequiresViolation, cstrchrErr3RequiresViolation, cstrchrErr1RequiresViolation, cstrchrErr0RequiresViolation, __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_StringErr1RequiresViolation, __U_MULTI_fcstrchr_unsafe_false_valid_deref_i__build_nondet_StringErr0RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE]=== [2018-04-12 19:45:13,119 INFO L82 PathProgramCache]: Analyzing trace with hash 1884781807, now seen corresponding path program 1 times [2018-04-12 19:45:13,122 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:45:13,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-12 19:45:13,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-12 19:45:13,162 INFO L421 BasicCegarLoop]: Counterexample might be feasible [2018-04-12 19:45:13,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.04 07:45:13 BoogieIcfgContainer [2018-04-12 19:45:13,178 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-12 19:45:13,179 INFO L168 Benchmark]: Toolchain (without parser) took 2451.27 ms. Allocated memory was 401.1 MB in the beginning and 635.4 MB in the end (delta: 234.4 MB). Free memory was 338.2 MB in the beginning and 410.6 MB in the end (delta: -72.4 MB). Peak memory consumption was 162.0 MB. Max. memory is 5.3 GB. [2018-04-12 19:45:13,180 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 401.1 MB. Free memory is still 364.3 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-12 19:45:13,180 INFO L168 Benchmark]: CACSL2BoogieTranslator took 230.15 ms. Allocated memory is still 401.1 MB. Free memory was 338.2 MB in the beginning and 314.1 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 5.3 GB. [2018-04-12 19:45:13,180 INFO L168 Benchmark]: Boogie Preprocessor took 38.21 ms. Allocated memory is still 401.1 MB. Free memory was 314.1 MB in the beginning and 311.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-12 19:45:13,181 INFO L168 Benchmark]: RCFGBuilder took 370.09 ms. Allocated memory was 401.1 MB in the beginning and 610.3 MB in the end (delta: 209.2 MB). Free memory was 311.5 MB in the beginning and 545.4 MB in the end (delta: -233.9 MB). Peak memory consumption was 24.0 MB. Max. memory is 5.3 GB. [2018-04-12 19:45:13,181 INFO L168 Benchmark]: TraceAbstraction took 1809.84 ms. Allocated memory was 610.3 MB in the beginning and 635.4 MB in the end (delta: 25.2 MB). Free memory was 545.4 MB in the beginning and 410.6 MB in the end (delta: 134.8 MB). Peak memory consumption was 160.0 MB. Max. memory is 5.3 GB. [2018-04-12 19:45:13,183 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 401.1 MB. Free memory is still 364.3 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 230.15 ms. Allocated memory is still 401.1 MB. Free memory was 338.2 MB in the beginning and 314.1 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 38.21 ms. Allocated memory is still 401.1 MB. Free memory was 314.1 MB in the beginning and 311.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 370.09 ms. Allocated memory was 401.1 MB in the beginning and 610.3 MB in the end (delta: 209.2 MB). Free memory was 311.5 MB in the beginning and 545.4 MB in the end (delta: -233.9 MB). Peak memory consumption was 24.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1809.84 ms. Allocated memory was 610.3 MB in the beginning and 635.4 MB in the end (delta: 25.2 MB). Free memory was 545.4 MB in the beginning and 410.6 MB in the end (delta: 134.8 MB). Peak memory consumption was 160.0 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 557]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L556] CALL, EXPR build_nondet_String() [L541] int length = __VERIFIER_nondet_int(); [L542] COND FALSE !(length < 1) VAL [length=1] [L545] EXPR, FCALL malloc(length * sizeof(char)) VAL [length=1, malloc(length * sizeof(char))={3:0}] [L545] char* nondetString = (char*) malloc(length * sizeof(char)); VAL [length=1, malloc(length * sizeof(char))={3:0}, nondetString={3:0}] [L546] FCALL nondetString[length-1] = '\0' VAL [length=1, malloc(length * sizeof(char))={3:0}, nondetString={3:0}] [L547] RET return nondetString; VAL [\result={3:0}, length=1, malloc(length * sizeof(char))={3:0}, nondetString={3:0}] [L556] EXPR build_nondet_String() VAL [build_nondet_String()={3:0}] [L556] char* s = build_nondet_String(); [L557] CALL cstrchr(s,__VERIFIER_nondet_int()) VAL [\old(c)=1, s={3:0}] [L551] EXPR, FCALL \read(*s) VAL [\old(c)=1, \read(*s)=0, c=1, s={3:0}, s={3:0}] [L551] *s != '\0' && *s != (char)c VAL [*s != '\0' && *s != (char)c=0, \old(c)=1, \read(*s)=0, c=1, s={3:0}, s={3:0}] [L551] COND FALSE !(*s != '\0' && *s != (char)c) VAL [*s != '\0' && *s != (char)c=0, \old(c)=1, \read(*s)=0, c=1, s={3:0}, s={3:0}] [L551] COND FALSE !(*s != '\0' && *s != (char)c) [L553] EXPR, FCALL \read(*s) VAL [\old(c)=1, \read(*s)=0, c=1, s={3:0}, s={3:0}] [L553] COND FALSE, EXPR !((*s == c) ? (char *) s : 0) [L553] EXPR (*s == c) ? (char *) s : 0 VAL [(*s == c) ? (char *) s : 0={0:0}, \old(c)=1, \read(*s)=0, c=1, s={3:0}, s={3:0}] [L553] RET return ( (*s == c) ? (char *) s : 0 ); [L557] cstrchr(s,__VERIFIER_nondet_int()) VAL [__VERIFIER_nondet_int()=1, cstrchr(s,__VERIFIER_nondet_int())={0:0}, s={3:0}] [L557] FCALL cstrchr(s,__VERIFIER_nondet_int()) - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 58 locations, 13 error locations. UNSAFE Result, 1.7s OverallTime, 9 OverallIterations, 2 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 289 SDtfs, 304 SDslu, 1072 SDs, 0 SdLazy, 941 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 86 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=70occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 2/4 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, 8 MinimizatonAttempts, 24 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 194 NumberOfCodeBlocks, 194 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 158 ConstructedInterpolants, 0 QuantifiedInterpolants, 16456 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 2/4 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrchr_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-12_19-45-13-191.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrchr_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-12_19-45-13-191.csv Received shutdown request...