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_NoArray.epf -i ../../../trunk/examples/svcomp/array-memsafety/cstrlen_unsafe_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-11 15:02:48,537 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 15:02:48,538 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 15:02:48,550 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 15:02:48,550 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 15:02:48,550 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 15:02:48,551 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 15:02:48,553 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 15:02:48,555 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 15:02:48,555 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 15:02:48,556 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 15:02:48,556 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 15:02:48,557 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 15:02:48,558 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 15:02:48,559 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 15:02:48,561 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 15:02:48,562 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 15:02:48,564 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 15:02:48,565 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 15:02:48,566 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 15:02:48,567 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-11 15:02:48,568 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-11 15:02:48,568 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-11 15:02:48,569 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-11 15:02:48,569 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-11 15:02:48,570 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-11 15:02:48,571 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-11 15:02:48,571 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-11 15:02:48,572 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-11 15:02:48,572 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-11 15:02:48,572 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-11 15:02:48,573 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_NoArray.epf [2018-04-11 15:02:48,593 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 15:02:48,593 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 15:02:48,594 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-11 15:02:48,595 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-11 15:02:48,595 INFO L133 SettingsManager]: * Use SBE=true [2018-04-11 15:02:48,595 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 15:02:48,595 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 15:02:48,595 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 15:02:48,595 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 15:02:48,596 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 15:02:48,596 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 15:02:48,596 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 15:02:48,596 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-11 15:02:48,596 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 15:02:48,596 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 15:02:48,597 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 15:02:48,597 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-11 15:02:48,597 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-11 15:02:48,597 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 15:02:48,597 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 15:02:48,597 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 15:02:48,597 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-11 15:02:48,598 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-11 15:02:48,598 INFO L133 SettingsManager]: * Trace refinement strategy=SMTINTERPOL Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-11 15:02:48,629 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 15:02:48,639 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 15:02:48,642 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 15:02:48,644 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 15:02:48,644 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 15:02:48,645 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:48,934 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG04c53b442 [2018-04-11 15:02:49,042 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 15:02:49,042 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 15:02:49,042 INFO L168 CDTParser]: Scanning cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,049 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 15:02:49,049 INFO L215 ultiparseSymbolTable]: [2018-04-11 15:02:49,049 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 15:02:49,049 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____bswap_32 ('__bswap_32') in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,049 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____bswap_64 ('__bswap_64') in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,050 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,050 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__ ('') in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,050 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__build_nondet_String ('build_nondet_String') in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,050 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 15:02:49,050 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__blkcnt_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,050 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____pthread_list_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,050 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__pthread_barrierattr_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,050 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__u_int32_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,050 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__sigset_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,050 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____int16_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,050 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____u_long in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,051 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__u_char in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,051 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__daddr_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,051 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____off_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,051 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____dev_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,051 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____fsid_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,051 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__blksize_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,051 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____ino64_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,051 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__u_long in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,051 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__clock_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,051 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__fd_set in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,051 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____ino_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,051 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__pthread_rwlockattr_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,051 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__fd_mask in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,051 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____caddr_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,051 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__ulong in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,052 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__fsid_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,052 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____u_short in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,052 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__int64_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,052 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____daddr_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,052 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____fsfilcnt_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,052 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__mode_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,052 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__suseconds_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,052 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____u_int in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,052 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____WAIT_STATUS in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,052 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____syscall_slong_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,052 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__dev_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,052 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__pthread_condattr_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,052 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____loff_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,053 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__time_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,053 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__pthread_rwlock_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,053 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____clock_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,053 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____blkcnt_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,053 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____qaddr_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,053 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____blksize_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,053 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____fsblkcnt_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,053 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__int8_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,053 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__pthread_key_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,053 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____fsfilcnt64_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,054 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____uint16_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,054 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____rlim64_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,054 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__u_quad_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,054 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__ldiv_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,054 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____useconds_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,054 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__pthread_mutex_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,054 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____uint8_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,054 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__ino_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,054 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__u_int64_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,054 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____time_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,055 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__loff_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,055 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____int64_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,055 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____key_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,055 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__ushort in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,055 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__timer_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,055 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____int8_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,055 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____nlink_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,055 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__register_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,055 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__pthread_once_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,055 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__off_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,055 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____ssize_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,056 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__nlink_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,056 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____fd_mask in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,056 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__fsfilcnt_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,056 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__pid_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,056 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__int32_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,056 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____sig_atomic_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,056 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__id_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,056 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____mode_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,056 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____blkcnt64_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,056 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____fsword_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,056 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__u_short in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,057 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____uint64_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,057 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__uint in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,057 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____uid_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,057 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__gid_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,057 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__ssize_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,057 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__u_int16_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,057 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__quad_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,057 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__caddr_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,057 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__pthread_spinlock_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,057 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____rlim_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,057 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__clockid_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,057 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____clockid_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,058 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____sigset_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,058 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__key_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,058 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__u_int in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,058 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__fsblkcnt_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,058 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____timer_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,058 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____uint32_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,058 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__div_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,058 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____intptr_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,058 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____int32_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,058 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__u_int8_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,058 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__pthread_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,058 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__pthread_cond_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,058 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__size_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,058 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____quad_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,058 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__int16_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,058 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____syscall_ulong_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,058 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____gid_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,058 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____id_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,059 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__uid_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,059 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__wchar_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,059 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____socklen_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,059 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__pthread_attr_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,059 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__lldiv_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,059 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__pthread_mutexattr_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,059 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____pid_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,059 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____fsblkcnt64_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,059 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__pthread_barrier_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,059 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____u_char in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,059 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____u_quad_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,059 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____off64_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,059 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____suseconds_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,071 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG04c53b442 [2018-04-11 15:02:49,075 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 15:02:49,076 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 15:02:49,077 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 15:02:49,077 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 15:02:49,082 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 15:02:49,083 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 03:02:49" (1/1) ... [2018-04-11 15:02:49,085 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a9beee9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:02:49, skipping insertion in model container [2018-04-11 15:02:49,085 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 03:02:49" (1/1) ... [2018-04-11 15:02:49,102 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 15:02:49,126 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 15:02:49,255 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 15:02:49,281 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 15:02:49,287 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 113 non ball SCCs. Number of states in SCCs 113. [2018-04-11 15:02:49,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:02:49 WrapperNode [2018-04-11 15:02:49,319 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 15:02:49,320 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 15:02:49,320 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 15:02:49,320 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 15:02:49,329 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:02:49" (1/1) ... [2018-04-11 15:02:49,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:02:49" (1/1) ... [2018-04-11 15:02:49,338 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:02:49" (1/1) ... [2018-04-11 15:02:49,338 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:02:49" (1/1) ... [2018-04-11 15:02:49,344 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:02:49" (1/1) ... [2018-04-11 15:02:49,346 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:02:49" (1/1) ... [2018-04-11 15:02:49,348 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:02:49" (1/1) ... [2018-04-11 15:02:49,350 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 15:02:49,350 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 15:02:49,350 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 15:02:49,350 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 15:02:49,351 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:02:49" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 15:02:49,439 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 15:02:49,439 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 15:02:49,440 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____bswap_32 [2018-04-11 15:02:49,440 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____bswap_64 [2018-04-11 15:02:49,440 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__build_nondet_String [2018-04-11 15:02:49,440 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrlen [2018-04-11 15:02:49,440 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 15:02:49,440 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____bswap_32 [2018-04-11 15:02:49,440 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____bswap_64 [2018-04-11 15:02:49,440 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 15:02:49,440 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 15:02:49,440 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 15:02:49,440 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 15:02:49,441 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 15:02:49,441 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 15:02:49,441 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 15:02:49,441 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 15:02:49,441 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 15:02:49,441 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 15:02:49,441 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 15:02:49,441 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 15:02:49,442 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 15:02:49,442 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 15:02:49,442 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 15:02:49,442 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 15:02:49,442 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 15:02:49,442 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 15:02:49,442 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 15:02:49,442 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 15:02:49,442 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 15:02:49,443 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 15:02:49,443 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 15:02:49,443 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 15:02:49,443 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 15:02:49,443 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 15:02:49,443 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 15:02:49,443 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 15:02:49,443 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 15:02:49,443 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 15:02:49,444 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 15:02:49,444 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 15:02:49,444 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 15:02:49,444 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 15:02:49,444 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 15:02:49,444 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 15:02:49,444 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 15:02:49,444 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 15:02:49,444 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 15:02:49,445 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 15:02:49,445 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 15:02:49,445 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 15:02:49,445 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 15:02:49,445 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 15:02:49,445 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 15:02:49,445 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 15:02:49,445 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 15:02:49,445 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 15:02:49,446 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 15:02:49,446 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 15:02:49,446 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 15:02:49,446 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 15:02:49,446 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 15:02:49,446 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 15:02:49,446 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 15:02:49,446 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 15:02:49,446 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 15:02:49,446 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 15:02:49,446 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 15:02:49,447 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 15:02:49,447 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 15:02:49,447 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-11 15:02:49,447 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 15:02:49,447 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 15:02:49,447 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 15:02:49,447 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 15:02:49,447 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 15:02:49,447 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 15:02:49,447 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 15:02:49,448 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 15:02:49,448 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 15:02:49,448 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 15:02:49,448 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 15:02:49,448 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 15:02:49,448 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 15:02:49,448 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 15:02:49,448 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 15:02:49,448 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 15:02:49,448 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 15:02:49,449 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 15:02:49,449 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 15:02:49,449 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 15:02:49,449 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 15:02:49,449 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 15:02:49,449 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 15:02:49,449 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 15:02:49,449 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 15:02:49,449 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 15:02:49,449 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 15:02:49,449 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 15:02:49,450 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 15:02:49,450 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 15:02:49,450 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 15:02:49,450 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 15:02:49,450 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 15:02:49,450 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 15:02:49,450 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 15:02:49,450 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 15:02:49,450 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 15:02:49,450 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 15:02:49,451 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-11 15:02:49,451 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__build_nondet_String [2018-04-11 15:02:49,451 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 15:02:49,451 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-11 15:02:49,451 INFO L128 BoogieDeclarations]: Found specification of procedure cstrlen [2018-04-11 15:02:49,451 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-11 15:02:49,451 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 15:02:49,451 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 15:02:49,451 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 15:02:49,451 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 15:02:49,452 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-11 15:02:49,706 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 15:02:49,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 03:02:49 BoogieIcfgContainer [2018-04-11 15:02:49,706 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 15:02:49,707 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 15:02:49,707 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 15:02:49,709 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 15:02:49,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 03:02:49" (1/3) ... [2018-04-11 15:02:49,709 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36adcb3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 03:02:49, skipping insertion in model container [2018-04-11 15:02:49,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:02:49" (2/3) ... [2018-04-11 15:02:49,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36adcb3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 03:02:49, skipping insertion in model container [2018-04-11 15:02:49,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 03:02:49" (3/3) ... [2018-04-11 15:02:49,711 INFO L107 eAbstractionObserver]: Analyzing ICFG cstrlen_unsafe_false-valid-deref.i [2018-04-11 15:02:49,716 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-11 15:02:49,726 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2018-04-11 15:02:49,751 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 15:02:49,751 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 15:02:49,751 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-11 15:02:49,752 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-11 15:02:49,752 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-11 15:02:49,752 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 15:02:49,752 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 15:02:49,752 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 15:02:49,752 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 15:02:49,752 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 15:02:49,761 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states. [2018-04-11 15:02:49,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-04-11 15:02:49,767 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:02:49,768 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:02:49,768 INFO L408 AbstractCegarLoop]: === Iteration 1 === [cstrlenErr1RequiresViolation, cstrlenErr0RequiresViolation, mainErr1AssertViolationMEMORY_FREE, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationMEMORY_FREE, __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__build_nondet_StringErr0RequiresViolation, __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__build_nondet_StringErr1RequiresViolation]=== [2018-04-11 15:02:49,770 INFO L82 PathProgramCache]: Analyzing trace with hash 216252305, now seen corresponding path program 1 times [2018-04-11 15:02:49,771 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:02:49,772 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:02:49,801 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:02:49,801 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:02:49,801 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:02:49,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:02:49,842 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:02:49,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:02:49,922 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:02:49,922 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 15:02:49,923 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 15:02:49,931 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 15:02:49,932 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 15:02:49,933 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 5 states. [2018-04-11 15:02:49,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:02:49,967 INFO L93 Difference]: Finished difference Result 38 states and 39 transitions. [2018-04-11 15:02:49,967 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 15:02:49,968 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2018-04-11 15:02:49,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:02:49,974 INFO L225 Difference]: With dead ends: 38 [2018-04-11 15:02:49,974 INFO L226 Difference]: Without dead ends: 35 [2018-04-11 15:02:49,975 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 [2018-04-11 15:02:49,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-04-11 15:02:49,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-04-11 15:02:50,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-04-11 15:02:50,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 36 transitions. [2018-04-11 15:02:50,002 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 36 transitions. Word has length 11 [2018-04-11 15:02:50,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:02:50,002 INFO L459 AbstractCegarLoop]: Abstraction has 35 states and 36 transitions. [2018-04-11 15:02:50,002 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 15:02:50,003 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2018-04-11 15:02:50,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-04-11 15:02:50,003 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:02:50,003 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:02:50,003 INFO L408 AbstractCegarLoop]: === Iteration 2 === [cstrlenErr1RequiresViolation, cstrlenErr0RequiresViolation, mainErr1AssertViolationMEMORY_FREE, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationMEMORY_FREE, __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__build_nondet_StringErr0RequiresViolation, __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__build_nondet_StringErr1RequiresViolation]=== [2018-04-11 15:02:50,004 INFO L82 PathProgramCache]: Analyzing trace with hash 216252304, now seen corresponding path program 1 times [2018-04-11 15:02:50,004 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:02:50,004 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:02:50,005 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:02:50,005 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:02:50,005 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:02:50,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:02:50,015 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:02:50,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:02:50,035 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:02:50,035 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 15:02:50,036 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 15:02:50,036 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 15:02:50,036 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 15:02:50,036 INFO L87 Difference]: Start difference. First operand 35 states and 36 transitions. Second operand 4 states. [2018-04-11 15:02:50,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:02:50,061 INFO L93 Difference]: Finished difference Result 34 states and 35 transitions. [2018-04-11 15:02:50,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 15:02:50,062 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2018-04-11 15:02:50,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:02:50,062 INFO L225 Difference]: With dead ends: 34 [2018-04-11 15:02:50,062 INFO L226 Difference]: Without dead ends: 34 [2018-04-11 15:02:50,063 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 [2018-04-11 15:02:50,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-04-11 15:02:50,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2018-04-11 15:02:50,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-04-11 15:02:50,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 35 transitions. [2018-04-11 15:02:50,066 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 35 transitions. Word has length 11 [2018-04-11 15:02:50,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:02:50,067 INFO L459 AbstractCegarLoop]: Abstraction has 34 states and 35 transitions. [2018-04-11 15:02:50,067 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 15:02:50,067 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2018-04-11 15:02:50,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-11 15:02:50,067 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:02:50,068 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:02:50,068 INFO L408 AbstractCegarLoop]: === Iteration 3 === [cstrlenErr1RequiresViolation, cstrlenErr0RequiresViolation, mainErr1AssertViolationMEMORY_FREE, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationMEMORY_FREE, __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__build_nondet_StringErr0RequiresViolation, __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__build_nondet_StringErr1RequiresViolation]=== [2018-04-11 15:02:50,068 INFO L82 PathProgramCache]: Analyzing trace with hash -264592197, now seen corresponding path program 1 times [2018-04-11 15:02:50,068 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:02:50,068 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:02:50,069 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:02:50,069 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:02:50,069 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:02:50,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:02:50,085 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:02:50,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:02:50,144 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:02:50,144 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-11 15:02:50,144 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-11 15:02:50,145 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-11 15:02:50,145 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-04-11 15:02:50,145 INFO L87 Difference]: Start difference. First operand 34 states and 35 transitions. Second operand 8 states. [2018-04-11 15:02:50,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:02:50,224 INFO L93 Difference]: Finished difference Result 32 states and 33 transitions. [2018-04-11 15:02:50,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-11 15:02:50,224 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 19 [2018-04-11 15:02:50,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:02:50,225 INFO L225 Difference]: With dead ends: 32 [2018-04-11 15:02:50,225 INFO L226 Difference]: Without dead ends: 32 [2018-04-11 15:02:50,225 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 [2018-04-11 15:02:50,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-04-11 15:02:50,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2018-04-11 15:02:50,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-04-11 15:02:50,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions. [2018-04-11 15:02:50,229 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 19 [2018-04-11 15:02:50,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:02:50,229 INFO L459 AbstractCegarLoop]: Abstraction has 32 states and 33 transitions. [2018-04-11 15:02:50,229 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-11 15:02:50,229 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2018-04-11 15:02:50,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-11 15:02:50,230 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:02:50,230 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:02:50,230 INFO L408 AbstractCegarLoop]: === Iteration 4 === [cstrlenErr1RequiresViolation, cstrlenErr0RequiresViolation, mainErr1AssertViolationMEMORY_FREE, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationMEMORY_FREE, __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__build_nondet_StringErr0RequiresViolation, __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__build_nondet_StringErr1RequiresViolation]=== [2018-04-11 15:02:50,230 INFO L82 PathProgramCache]: Analyzing trace with hash -264592196, now seen corresponding path program 1 times [2018-04-11 15:02:50,230 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:02:50,230 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:02:50,231 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:02:50,231 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:02:50,231 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:02:50,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:02:50,243 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:02:50,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:02:50,364 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:02:50,364 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-04-11 15:02:50,365 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-11 15:02:50,365 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-11 15:02:50,365 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-04-11 15:02:50,365 INFO L87 Difference]: Start difference. First operand 32 states and 33 transitions. Second operand 11 states. [2018-04-11 15:02:50,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:02:50,495 INFO L93 Difference]: Finished difference Result 37 states and 39 transitions. [2018-04-11 15:02:50,496 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-11 15:02:50,496 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 19 [2018-04-11 15:02:50,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:02:50,498 INFO L225 Difference]: With dead ends: 37 [2018-04-11 15:02:50,498 INFO L226 Difference]: Without dead ends: 37 [2018-04-11 15:02:50,498 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 [2018-04-11 15:02:50,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-04-11 15:02:50,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 33. [2018-04-11 15:02:50,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-04-11 15:02:50,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 34 transitions. [2018-04-11 15:02:50,501 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 34 transitions. Word has length 19 [2018-04-11 15:02:50,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:02:50,501 INFO L459 AbstractCegarLoop]: Abstraction has 33 states and 34 transitions. [2018-04-11 15:02:50,501 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-11 15:02:50,501 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2018-04-11 15:02:50,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-11 15:02:50,501 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:02:50,501 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] [2018-04-11 15:02:50,501 INFO L408 AbstractCegarLoop]: === Iteration 5 === [cstrlenErr1RequiresViolation, cstrlenErr0RequiresViolation, mainErr1AssertViolationMEMORY_FREE, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationMEMORY_FREE, __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__build_nondet_StringErr0RequiresViolation, __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__build_nondet_StringErr1RequiresViolation]=== [2018-04-11 15:02:50,501 INFO L82 PathProgramCache]: Analyzing trace with hash -1201151959, now seen corresponding path program 1 times [2018-04-11 15:02:50,502 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:02:50,502 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:02:50,502 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:02:50,502 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:02:50,502 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:02:50,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:02:50,511 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:02:50,628 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:02:50,628 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:02:50,628 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-04-11 15:02:50,628 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-11 15:02:50,628 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-11 15:02:50,628 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2018-04-11 15:02:50,628 INFO L87 Difference]: Start difference. First operand 33 states and 34 transitions. Second operand 12 states. [2018-04-11 15:02:50,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:02:50,778 INFO L93 Difference]: Finished difference Result 55 states and 55 transitions. [2018-04-11 15:02:50,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-11 15:02:50,779 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 22 [2018-04-11 15:02:50,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:02:50,779 INFO L225 Difference]: With dead ends: 55 [2018-04-11 15:02:50,779 INFO L226 Difference]: Without dead ends: 55 [2018-04-11 15:02:50,779 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=218, Unknown=0, NotChecked=0, Total=272 [2018-04-11 15:02:50,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-04-11 15:02:50,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 48. [2018-04-11 15:02:50,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-04-11 15:02:50,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 49 transitions. [2018-04-11 15:02:50,782 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 49 transitions. Word has length 22 [2018-04-11 15:02:50,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:02:50,782 INFO L459 AbstractCegarLoop]: Abstraction has 48 states and 49 transitions. [2018-04-11 15:02:50,782 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-11 15:02:50,783 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 49 transitions. [2018-04-11 15:02:50,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-11 15:02:50,783 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:02:50,783 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] [2018-04-11 15:02:50,783 INFO L408 AbstractCegarLoop]: === Iteration 6 === [cstrlenErr1RequiresViolation, cstrlenErr0RequiresViolation, mainErr1AssertViolationMEMORY_FREE, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationMEMORY_FREE, __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__build_nondet_StringErr0RequiresViolation, __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__build_nondet_StringErr1RequiresViolation]=== [2018-04-11 15:02:50,783 INFO L82 PathProgramCache]: Analyzing trace with hash 1813951659, now seen corresponding path program 1 times [2018-04-11 15:02:50,783 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:02:50,783 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:02:50,784 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:02:50,784 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:02:50,784 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:02:50,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-11 15:02:50,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-11 15:02:50,824 INFO L421 BasicCegarLoop]: Counterexample might be feasible [2018-04-11 15:02:50,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.04 03:02:50 BoogieIcfgContainer [2018-04-11 15:02:50,841 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-11 15:02:50,841 INFO L168 Benchmark]: Toolchain (without parser) took 1766.31 ms. Allocated memory was 401.6 MB in the beginning and 589.3 MB in the end (delta: 187.7 MB). Free memory was 334.9 MB in the beginning and 475.6 MB in the end (delta: -140.8 MB). Peak memory consumption was 46.9 MB. Max. memory is 5.3 GB. [2018-04-11 15:02:50,843 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 401.6 MB. Free memory is still 361.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 15:02:50,843 INFO L168 Benchmark]: CACSL2BoogieTranslator took 243.16 ms. Allocated memory is still 401.6 MB. Free memory was 334.9 MB in the beginning and 310.6 MB in the end (delta: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 5.3 GB. [2018-04-11 15:02:50,843 INFO L168 Benchmark]: Boogie Preprocessor took 29.94 ms. Allocated memory is still 401.6 MB. Free memory was 310.6 MB in the beginning and 307.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-11 15:02:50,843 INFO L168 Benchmark]: RCFGBuilder took 356.05 ms. Allocated memory was 401.6 MB in the beginning and 589.3 MB in the end (delta: 187.7 MB). Free memory was 307.9 MB in the beginning and 529.3 MB in the end (delta: -221.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 5.3 GB. [2018-04-11 15:02:50,843 INFO L168 Benchmark]: TraceAbstraction took 1134.11 ms. Allocated memory is still 589.3 MB. Free memory was 529.3 MB in the beginning and 475.6 MB in the end (delta: 53.6 MB). Peak memory consumption was 53.6 MB. Max. memory is 5.3 GB. [2018-04-11 15:02:50,845 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 401.6 MB. Free memory is still 361.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 243.16 ms. Allocated memory is still 401.6 MB. Free memory was 334.9 MB in the beginning and 310.6 MB in the end (delta: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 29.94 ms. Allocated memory is still 401.6 MB. Free memory was 310.6 MB in the beginning and 307.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 356.05 ms. Allocated memory was 401.6 MB in the beginning and 589.3 MB in the end (delta: 187.7 MB). Free memory was 307.9 MB in the beginning and 529.3 MB in the end (delta: -221.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1134.11 ms. Allocated memory is still 589.3 MB. Free memory was 529.3 MB in the beginning and 475.6 MB in the end (delta: 53.6 MB). Peak memory consumption was 53.6 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 552]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L557] CALL, EXPR build_nondet_String() [L541] int length = __VERIFIER_nondet_int(); [L542] COND FALSE !(length < 1) VAL [length=2] [L545] EXPR, FCALL malloc(length * sizeof(char)) VAL [length=2, malloc(length * sizeof(char))={6:0}] [L545] char* nondetString = (char*) malloc(length * sizeof(char)); VAL [length=2, malloc(length * sizeof(char))={6:0}, nondetString={6:0}] [L546] FCALL nondetString[length-1] = '\0' VAL [length=2, malloc(length * sizeof(char))={6:0}, nondetString={6:0}] [L547] RET return nondetString; VAL [\result={6:0}, length=2, malloc(length * sizeof(char))={6:0}, nondetString={6:0}] [L557] EXPR build_nondet_String() VAL [build_nondet_String()={6:0}] [L557] char* p = build_nondet_String(); [L558] CALL cstrlen(p) VAL [s={6:0}] [L551] const char *p = s; VAL [p={6:0}, s={6:0}, s={6:0}] [L552] EXPR, FCALL \read(*p) VAL [\read(*p)=4, p={6:0}, s={6:0}, s={6:0}] [L552] COND TRUE *p != '\0' [L553] p = p+2 VAL [p={6:2}, s={6:0}, s={6:0}] [L552] FCALL \read(*p) - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 45 locations, 7 error locations. UNSAFE Result, 1.0s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 128 SDtfs, 103 SDslu, 418 SDs, 0 SdLazy, 354 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=48occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 11 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 77 ConstructedInterpolants, 0 QuantifiedInterpolants, 5449 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 2/2 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/cstrlen_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-11_15-02-50-851.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrlen_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-11_15-02-50-851.csv Received shutdown request...