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 -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/array-memsafety/cstrlen_unsafe_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cf7e2d-m [2018-03-29 20:12:53,298 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-03-29 20:12:53,300 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-03-29 20:12:53,313 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-03-29 20:12:53,314 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-03-29 20:12:53,314 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-03-29 20:12:53,316 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-03-29 20:12:53,318 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-03-29 20:12:53,320 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-03-29 20:12:53,321 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-03-29 20:12:53,323 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-03-29 20:12:53,323 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-03-29 20:12:53,324 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-03-29 20:12:53,325 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-03-29 20:12:53,326 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-03-29 20:12:53,329 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-03-29 20:12:53,331 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-03-29 20:12:53,333 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-03-29 20:12:53,334 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-03-29 20:12:53,335 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-03-29 20:12:53,338 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-03-29 20:12:53,338 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-03-29 20:12:53,338 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-03-29 20:12:53,339 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-03-29 20:12:53,340 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-03-29 20:12:53,342 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-03-29 20:12:53,342 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-03-29 20:12:53,343 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-03-29 20:12:53,344 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-03-29 20:12:53,344 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-03-29 20:12:53,345 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-03-29 20:12:53,345 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf [2018-03-29 20:12:53,368 INFO L110 SettingsManager]: Loading preferences was successful [2018-03-29 20:12:53,368 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-03-29 20:12:53,368 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-03-29 20:12:53,368 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-03-29 20:12:53,369 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-03-29 20:12:53,369 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-03-29 20:12:53,369 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-03-29 20:12:53,369 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-03-29 20:12:53,369 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-03-29 20:12:53,370 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-03-29 20:12:53,370 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-03-29 20:12:53,370 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-03-29 20:12:53,370 INFO L133 SettingsManager]: * sizeof long=4 [2018-03-29 20:12:53,370 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-03-29 20:12:53,370 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-03-29 20:12:53,370 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-03-29 20:12:53,371 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-03-29 20:12:53,371 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-03-29 20:12:53,371 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-03-29 20:12:53,371 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-03-29 20:12:53,371 INFO L133 SettingsManager]: * sizeof long double=12 [2018-03-29 20:12:53,372 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-03-29 20:12:53,372 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-03-29 20:12:53,372 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-03-29 20:12:53,372 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-03-29 20:12:53,372 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-03-29 20:12:53,373 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-03-29 20:12:53,373 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-03-29 20:12:53,373 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-03-29 20:12:53,373 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-03-29 20:12:53,373 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-03-29 20:12:53,373 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 20:12:53,373 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-03-29 20:12:53,374 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-03-29 20:12:53,374 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-03-29 20:12:53,375 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-03-29 20:12:53,375 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-03-29 20:12:53,408 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-03-29 20:12:53,418 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-03-29 20:12:53,422 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-03-29 20:12:53,423 INFO L271 PluginConnector]: Initializing CDTParser... [2018-03-29 20:12:53,423 INFO L276 PluginConnector]: CDTParser initialized [2018-03-29 20:12:53,424 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,712 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGd2b01137f [2018-03-29 20:12:53,866 INFO L287 CDTParser]: IsIndexed: true [2018-03-29 20:12:53,866 INFO L288 CDTParser]: Found 1 translation units. [2018-03-29 20:12:53,867 INFO L168 CDTParser]: Scanning cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,877 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-03-29 20:12:53,878 INFO L215 ultiparseSymbolTable]: [2018-03-29 20:12:53,878 INFO L218 ultiparseSymbolTable]: Function table: [2018-03-29 20:12:53,878 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 [2018-03-29 20:12:53,878 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 [2018-03-29 20:12:53,878 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,878 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__ ('') in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,879 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 [2018-03-29 20:12:53,879 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-03-29 20:12:53,879 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__blkcnt_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,879 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 [2018-03-29 20:12:53,879 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 [2018-03-29 20:12:53,879 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 [2018-03-29 20:12:53,879 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__sigset_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,879 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____int16_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,880 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____u_long in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,880 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__u_char in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,880 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__daddr_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,880 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____off_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,880 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____dev_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,880 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____fsid_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,880 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__blksize_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,880 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____ino64_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,881 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__u_long in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,881 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__clock_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,881 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__fd_set in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,881 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____ino_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,881 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 [2018-03-29 20:12:53,881 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__fd_mask in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,881 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____caddr_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,881 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__ulong in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,882 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__fsid_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,882 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____u_short in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,882 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__int64_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,882 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____daddr_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,882 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____fsfilcnt_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,882 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__mode_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,882 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__suseconds_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,882 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____u_int in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,883 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____WAIT_STATUS in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,883 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 [2018-03-29 20:12:53,883 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__dev_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,883 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 [2018-03-29 20:12:53,883 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____loff_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,883 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__time_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,883 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 [2018-03-29 20:12:53,883 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____clock_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,883 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____blkcnt_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,883 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____qaddr_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,884 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____blksize_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,884 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____fsblkcnt_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,884 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__int8_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,884 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 [2018-03-29 20:12:53,884 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____fsfilcnt64_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,884 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____uint16_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,884 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____rlim64_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,884 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 [2018-03-29 20:12:53,884 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__ldiv_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,884 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____useconds_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,884 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 [2018-03-29 20:12:53,884 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____uint8_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,885 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__ino_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,885 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 [2018-03-29 20:12:53,885 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____time_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,885 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__loff_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,885 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____int64_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,885 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____key_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,885 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__ushort in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,885 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__timer_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,885 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____int8_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,885 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____nlink_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,886 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__register_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,886 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 [2018-03-29 20:12:53,886 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__off_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,886 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____ssize_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,886 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__nlink_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,886 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____fd_mask in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,886 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__fsfilcnt_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,886 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__pid_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,886 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__int32_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,886 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 [2018-03-29 20:12:53,887 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__id_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,887 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____mode_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,887 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____blkcnt64_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,887 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____fsword_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,887 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__u_short in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,887 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____uint64_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,887 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__uint in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,887 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____uid_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,887 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__gid_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,888 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__ssize_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,888 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 [2018-03-29 20:12:53,888 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__quad_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,888 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__caddr_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,888 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 [2018-03-29 20:12:53,888 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____rlim_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,888 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__clockid_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,888 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____clockid_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,888 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____sigset_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,888 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__key_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,889 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__u_int in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,889 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__fsblkcnt_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,889 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____timer_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,889 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____uint32_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,889 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__div_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,889 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____intptr_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,889 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____int32_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,889 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 [2018-03-29 20:12:53,889 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__pthread_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,890 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 [2018-03-29 20:12:53,890 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__size_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,890 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____quad_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,890 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__int16_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,890 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 [2018-03-29 20:12:53,890 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____gid_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,890 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____id_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,890 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__uid_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,891 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__wchar_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,891 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____socklen_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,891 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 [2018-03-29 20:12:53,891 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__lldiv_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,891 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 [2018-03-29 20:12:53,891 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____pid_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,891 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____fsblkcnt64_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,891 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 [2018-03-29 20:12:53,891 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____u_char in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,892 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 [2018-03-29 20:12:53,892 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____off64_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,892 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____suseconds_t in cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:53,912 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGd2b01137f [2018-03-29 20:12:53,917 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-03-29 20:12:53,919 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-03-29 20:12:53,920 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-03-29 20:12:53,920 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-03-29 20:12:53,925 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-03-29 20:12:53,926 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 08:12:53" (1/1) ... [2018-03-29 20:12:53,928 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a94693a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:12:53, skipping insertion in model container [2018-03-29 20:12:53,928 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 08:12:53" (1/1) ... [2018-03-29 20:12:53,943 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-29 20:12:53,974 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-29 20:12:54,143 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-29 20:12:54,194 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-29 20:12:54,201 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 113 non ball SCCs. Number of states in SCCs 113. [2018-03-29 20:12:54,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:12:54 WrapperNode [2018-03-29 20:12:54,247 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-03-29 20:12:54,248 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-03-29 20:12:54,248 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-03-29 20:12:54,248 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-03-29 20:12:54,258 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:12:54" (1/1) ... [2018-03-29 20:12:54,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:12:54" (1/1) ... [2018-03-29 20:12:54,274 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:12:54" (1/1) ... [2018-03-29 20:12:54,274 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:12:54" (1/1) ... [2018-03-29 20:12:54,286 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:12:54" (1/1) ... [2018-03-29 20:12:54,292 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:12:54" (1/1) ... [2018-03-29 20:12:54,295 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:12:54" (1/1) ... [2018-03-29 20:12:54,300 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-03-29 20:12:54,300 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-03-29 20:12:54,300 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-03-29 20:12:54,301 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-03-29 20:12:54,302 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:12:54" (1/1) ... No working directory specified, using /storage/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 [2018-03-29 20:12:54,421 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-03-29 20:12:54,421 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-03-29 20:12:54,421 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____bswap_32 [2018-03-29 20:12:54,421 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____bswap_64 [2018-03-29 20:12:54,422 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__build_nondet_String [2018-03-29 20:12:54,422 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrlen [2018-03-29 20:12:54,422 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-03-29 20:12:54,422 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____bswap_32 [2018-03-29 20:12:54,422 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____bswap_64 [2018-03-29 20:12:54,422 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-03-29 20:12:54,422 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-03-29 20:12:54,423 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-03-29 20:12:54,423 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-03-29 20:12:54,423 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-03-29 20:12:54,423 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-03-29 20:12:54,423 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-03-29 20:12:54,423 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-03-29 20:12:54,423 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-03-29 20:12:54,424 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-03-29 20:12:54,424 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-03-29 20:12:54,424 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-03-29 20:12:54,424 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-03-29 20:12:54,424 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-03-29 20:12:54,424 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-03-29 20:12:54,424 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-03-29 20:12:54,425 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-03-29 20:12:54,425 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-03-29 20:12:54,425 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-03-29 20:12:54,425 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-03-29 20:12:54,425 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-03-29 20:12:54,425 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-03-29 20:12:54,425 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-03-29 20:12:54,426 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-03-29 20:12:54,426 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-03-29 20:12:54,426 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-03-29 20:12:54,426 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-03-29 20:12:54,426 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-03-29 20:12:54,426 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-03-29 20:12:54,426 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-03-29 20:12:54,427 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-03-29 20:12:54,427 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-03-29 20:12:54,427 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-03-29 20:12:54,427 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-03-29 20:12:54,427 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-03-29 20:12:54,427 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-03-29 20:12:54,427 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-03-29 20:12:54,428 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-03-29 20:12:54,428 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-03-29 20:12:54,428 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-03-29 20:12:54,428 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-03-29 20:12:54,428 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-03-29 20:12:54,428 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-03-29 20:12:54,428 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-03-29 20:12:54,428 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-03-29 20:12:54,429 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-03-29 20:12:54,429 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-03-29 20:12:54,429 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-03-29 20:12:54,429 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-03-29 20:12:54,429 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-03-29 20:12:54,429 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-03-29 20:12:54,429 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-03-29 20:12:54,429 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-03-29 20:12:54,430 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-03-29 20:12:54,430 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-03-29 20:12:54,430 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-03-29 20:12:54,430 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-03-29 20:12:54,430 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-03-29 20:12:54,430 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-03-29 20:12:54,430 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-03-29 20:12:54,431 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-03-29 20:12:54,431 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-03-29 20:12:54,431 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-03-29 20:12:54,431 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-03-29 20:12:54,431 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-03-29 20:12:54,431 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-03-29 20:12:54,431 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-03-29 20:12:54,431 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-03-29 20:12:54,432 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-03-29 20:12:54,432 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-03-29 20:12:54,432 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-03-29 20:12:54,432 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-03-29 20:12:54,432 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-03-29 20:12:54,432 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-03-29 20:12:54,432 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-03-29 20:12:54,432 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-03-29 20:12:54,433 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-03-29 20:12:54,433 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-03-29 20:12:54,433 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-03-29 20:12:54,433 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-03-29 20:12:54,433 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-03-29 20:12:54,433 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-03-29 20:12:54,433 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-03-29 20:12:54,434 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-03-29 20:12:54,434 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-03-29 20:12:54,434 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-03-29 20:12:54,434 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-03-29 20:12:54,434 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-03-29 20:12:54,434 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-03-29 20:12:54,434 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-03-29 20:12:54,435 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-03-29 20:12:54,435 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-03-29 20:12:54,435 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-03-29 20:12:54,435 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-03-29 20:12:54,435 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-03-29 20:12:54,435 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-03-29 20:12:54,435 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-03-29 20:12:54,435 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-03-29 20:12:54,436 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-03-29 20:12:54,436 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-03-29 20:12:54,436 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-03-29 20:12:54,436 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__build_nondet_String [2018-03-29 20:12:54,436 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-03-29 20:12:54,436 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-03-29 20:12:54,436 INFO L128 BoogieDeclarations]: Found specification of procedure cstrlen [2018-03-29 20:12:54,436 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-03-29 20:12:54,437 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-03-29 20:12:54,437 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-03-29 20:12:54,437 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-03-29 20:12:54,437 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-03-29 20:12:54,437 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-03-29 20:12:54,772 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-03-29 20:12:54,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 08:12:54 BoogieIcfgContainer [2018-03-29 20:12:54,773 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-03-29 20:12:54,774 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-03-29 20:12:54,774 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-03-29 20:12:54,777 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-03-29 20:12:54,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 08:12:53" (1/3) ... [2018-03-29 20:12:54,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29a37a99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 08:12:54, skipping insertion in model container [2018-03-29 20:12:54,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:12:54" (2/3) ... [2018-03-29 20:12:54,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29a37a99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 08:12:54, skipping insertion in model container [2018-03-29 20:12:54,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 08:12:54" (3/3) ... [2018-03-29 20:12:54,781 INFO L107 eAbstractionObserver]: Analyzing ICFG cstrlen_unsafe_false-valid-deref.i [2018-03-29 20:12:54,791 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-03-29 20:12:54,798 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2018-03-29 20:12:54,844 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-03-29 20:12:54,845 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-03-29 20:12:54,845 INFO L370 AbstractCegarLoop]: Hoare is true [2018-03-29 20:12:54,845 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-03-29 20:12:54,845 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-03-29 20:12:54,845 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-03-29 20:12:54,845 INFO L374 AbstractCegarLoop]: Difference is false [2018-03-29 20:12:54,845 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-03-29 20:12:54,846 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-03-29 20:12:54,846 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-03-29 20:12:54,862 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states. [2018-03-29 20:12:54,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-03-29 20:12:54,869 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 20:12:54,870 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 20:12:54,871 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]=== [2018-03-29 20:12:54,875 INFO L82 PathProgramCache]: Analyzing trace with hash 2027579179, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 20:12:54,887 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 20:12:54,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 20:12:54,922 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 20:12:54,961 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-29 20:12:54,962 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 20:12:54,967 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 20:12:54,967 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-29 20:12:54,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:12:54,985 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 20:12:54,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:12:55,017 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 20:12:55,018 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-03-29 20:12:55,019 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-03-29 20:12:55,029 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-03-29 20:12:55,030 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-03-29 20:12:55,032 INFO L87 Difference]: Start difference. First operand 50 states. Second operand 4 states. [2018-03-29 20:12:55,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 20:12:55,115 INFO L93 Difference]: Finished difference Result 67 states and 68 transitions. [2018-03-29 20:12:55,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-03-29 20:12:55,116 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-03-29 20:12:55,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 20:12:55,124 INFO L225 Difference]: With dead ends: 67 [2018-03-29 20:12:55,124 INFO L226 Difference]: Without dead ends: 46 [2018-03-29 20:12:55,127 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-03-29 20:12:55,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-03-29 20:12:55,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2018-03-29 20:12:55,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-03-29 20:12:55,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 47 transitions. [2018-03-29 20:12:55,166 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 47 transitions. Word has length 14 [2018-03-29 20:12:55,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 20:12:55,167 INFO L459 AbstractCegarLoop]: Abstraction has 46 states and 47 transitions. [2018-03-29 20:12:55,167 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-03-29 20:12:55,167 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 47 transitions. [2018-03-29 20:12:55,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-03-29 20:12:55,168 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 20:12:55,168 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 20:12:55,168 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]=== [2018-03-29 20:12:55,168 INFO L82 PathProgramCache]: Analyzing trace with hash 2027579180, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 20:12:55,175 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 20:12:55,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 20:12:55,193 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 20:12:55,212 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-29 20:12:55,212 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 20:12:55,219 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 20:12:55,219 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-03-29 20:12:55,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:12:55,268 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 20:12:55,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:12:55,342 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 20:12:55,342 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2018-03-29 20:12:55,344 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-03-29 20:12:55,344 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-03-29 20:12:55,344 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-03-29 20:12:55,345 INFO L87 Difference]: Start difference. First operand 46 states and 47 transitions. Second operand 7 states. [2018-03-29 20:12:55,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 20:12:55,396 INFO L93 Difference]: Finished difference Result 46 states and 47 transitions. [2018-03-29 20:12:55,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-03-29 20:12:55,397 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2018-03-29 20:12:55,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 20:12:55,397 INFO L225 Difference]: With dead ends: 46 [2018-03-29 20:12:55,398 INFO L226 Difference]: Without dead ends: 45 [2018-03-29 20:12:55,398 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-03-29 20:12:55,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-03-29 20:12:55,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2018-03-29 20:12:55,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-03-29 20:12:55,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 46 transitions. [2018-03-29 20:12:55,405 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 46 transitions. Word has length 14 [2018-03-29 20:12:55,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 20:12:55,405 INFO L459 AbstractCegarLoop]: Abstraction has 45 states and 46 transitions. [2018-03-29 20:12:55,405 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-03-29 20:12:55,405 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2018-03-29 20:12:55,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-03-29 20:12:55,406 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 20:12:55,406 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 20:12:55,407 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]=== [2018-03-29 20:12:55,407 INFO L82 PathProgramCache]: Analyzing trace with hash -73667089, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 20:12:55,413 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 20:12:55,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 20:12:55,436 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 20:12:55,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:12:55,526 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 20:12:55,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:12:55,598 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 20:12:55,598 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2018-03-29 20:12:55,599 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-03-29 20:12:55,599 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-03-29 20:12:55,599 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-03-29 20:12:55,599 INFO L87 Difference]: Start difference. First operand 45 states and 46 transitions. Second operand 9 states. [2018-03-29 20:12:55,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 20:12:55,784 INFO L93 Difference]: Finished difference Result 45 states and 46 transitions. [2018-03-29 20:12:55,785 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-03-29 20:12:55,785 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 24 [2018-03-29 20:12:55,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 20:12:55,786 INFO L225 Difference]: With dead ends: 45 [2018-03-29 20:12:55,786 INFO L226 Difference]: Without dead ends: 43 [2018-03-29 20:12:55,787 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-03-29 20:12:55,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-03-29 20:12:55,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-03-29 20:12:55,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-03-29 20:12:55,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 44 transitions. [2018-03-29 20:12:55,793 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 44 transitions. Word has length 24 [2018-03-29 20:12:55,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 20:12:55,794 INFO L459 AbstractCegarLoop]: Abstraction has 43 states and 44 transitions. [2018-03-29 20:12:55,794 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-03-29 20:12:55,794 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2018-03-29 20:12:55,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-03-29 20:12:55,795 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 20:12:55,795 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 20:12:55,795 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]=== [2018-03-29 20:12:55,795 INFO L82 PathProgramCache]: Analyzing trace with hash -73667088, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 20:12:55,803 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 20:12:55,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 20:12:55,820 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 20:12:56,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:12:56,098 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 20:12:56,190 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-03-29 20:12:56,191 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 20:12:56,223 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 10 [2018-03-29 20:12:56,223 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 20:12:56,237 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-29 20:12:56,237 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2018-03-29 20:12:56,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:12:56,311 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 20:12:56,311 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 11 [2018-03-29 20:12:56,311 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-03-29 20:12:56,312 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-03-29 20:12:56,312 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2018-03-29 20:12:56,312 INFO L87 Difference]: Start difference. First operand 43 states and 44 transitions. Second operand 12 states. [2018-03-29 20:12:56,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 20:12:56,645 INFO L93 Difference]: Finished difference Result 46 states and 47 transitions. [2018-03-29 20:12:56,646 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-03-29 20:12:56,646 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 24 [2018-03-29 20:12:56,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 20:12:56,648 INFO L225 Difference]: With dead ends: 46 [2018-03-29 20:12:56,648 INFO L226 Difference]: Without dead ends: 45 [2018-03-29 20:12:56,648 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 35 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2018-03-29 20:12:56,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-03-29 20:12:56,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2018-03-29 20:12:56,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-03-29 20:12:56,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 46 transitions. [2018-03-29 20:12:56,653 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 46 transitions. Word has length 24 [2018-03-29 20:12:56,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 20:12:56,653 INFO L459 AbstractCegarLoop]: Abstraction has 45 states and 46 transitions. [2018-03-29 20:12:56,653 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-03-29 20:12:56,654 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2018-03-29 20:12:56,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-03-29 20:12:56,654 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 20:12:56,654 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 20:12:56,655 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]=== [2018-03-29 20:12:56,655 INFO L82 PathProgramCache]: Analyzing trace with hash 306648928, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 20:12:56,660 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 20:12:56,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-03-29 20:12:56,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-03-29 20:12:56,721 INFO L421 BasicCegarLoop]: Counterexample might be feasible [2018-03-29 20:12:56,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 08:12:56 BoogieIcfgContainer [2018-03-29 20:12:56,751 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-03-29 20:12:56,752 INFO L168 Benchmark]: Toolchain (without parser) took 2834.32 ms. Allocated memory was 308.3 MB in the beginning and 487.6 MB in the end (delta: 179.3 MB). Free memory was 245.8 MB in the beginning and 368.5 MB in the end (delta: -122.7 MB). Peak memory consumption was 56.6 MB. Max. memory is 5.3 GB. [2018-03-29 20:12:56,753 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 308.3 MB. Free memory is still 269.6 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-03-29 20:12:56,754 INFO L168 Benchmark]: CACSL2BoogieTranslator took 327.77 ms. Allocated memory is still 308.3 MB. Free memory was 245.8 MB in the beginning and 221.8 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 5.3 GB. [2018-03-29 20:12:56,755 INFO L168 Benchmark]: Boogie Preprocessor took 51.67 ms. Allocated memory is still 308.3 MB. Free memory was 221.8 MB in the beginning and 219.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-03-29 20:12:56,755 INFO L168 Benchmark]: RCFGBuilder took 472.90 ms. Allocated memory was 308.3 MB in the beginning and 470.8 MB in the end (delta: 162.5 MB). Free memory was 219.8 MB in the beginning and 409.6 MB in the end (delta: -189.8 MB). Peak memory consumption was 22.3 MB. Max. memory is 5.3 GB. [2018-03-29 20:12:56,756 INFO L168 Benchmark]: TraceAbstraction took 1976.97 ms. Allocated memory was 470.8 MB in the beginning and 487.6 MB in the end (delta: 16.8 MB). Free memory was 409.6 MB in the beginning and 368.5 MB in the end (delta: 41.1 MB). Peak memory consumption was 57.9 MB. Max. memory is 5.3 GB. [2018-03-29 20:12:56,760 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 308.3 MB. Free memory is still 269.6 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 327.77 ms. Allocated memory is still 308.3 MB. Free memory was 245.8 MB in the beginning and 221.8 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 51.67 ms. Allocated memory is still 308.3 MB. Free memory was 221.8 MB in the beginning and 219.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 472.90 ms. Allocated memory was 308.3 MB in the beginning and 470.8 MB in the end (delta: 162.5 MB). Free memory was 219.8 MB in the beginning and 409.6 MB in the end (delta: -189.8 MB). Peak memory consumption was 22.3 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1976.97 ms. Allocated memory was 470.8 MB in the beginning and 487.6 MB in the end (delta: 16.8 MB). Free memory was 409.6 MB in the beginning and 368.5 MB in the end (delta: 41.1 MB). Peak memory consumption was 57.9 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(); VAL [__VERIFIER_nondet_int()=2, length=2] [L542] COND FALSE !(length < 1) VAL [length=2] [L545] EXPR, FCALL malloc(length * sizeof(char)) VAL [length=2, malloc(length * sizeof(char))={8:0}] [L545] char* nondetString = (char*) malloc(length * sizeof(char)); VAL [length=2, malloc(length * sizeof(char))={8:0}, nondetString={8:0}] [L546] FCALL nondetString[length-1] = '\0' VAL [length=2, malloc(length * sizeof(char))={8:0}, nondetString={8:0}] [L547] RET return nondetString; VAL [\result={8:0}, length=2, malloc(length * sizeof(char))={8:0}, nondetString={8:0}] [L557] EXPR build_nondet_String() VAL [build_nondet_String()={8:0}] [L557] char* p = build_nondet_String(); VAL [build_nondet_String()={8:0}, p={8:0}] [L558] CALL cstrlen(p) VAL [s={8:0}] [L551] const char *p = s; VAL [p={8:0}, s={8:0}, s={8:0}] [L552] EXPR, FCALL \read(*p) VAL [\read(*p)=6, p={8:0}, s={8:0}, s={8:0}] [L552] COND TRUE *p != '\0' VAL [\read(*p)=6, p={8:0}, s={8:0}, s={8:0}] [L553] p = p+2 VAL [p={8:2}, s={8:0}, s={8:0}] [L552] FCALL \read(*p) - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 60 locations, 7 error locations. UNSAFE Result, 1.9s OverallTime, 5 OverallIterations, 2 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 153 SDtfs, 116 SDslu, 566 SDs, 0 SdLazy, 270 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 160 GetRequests, 122 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred in iteration=0, 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 105 NumberOfCodeBlocks, 105 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 144 ConstructedInterpolants, 0 QuantifiedInterpolants, 10734 SizeOfPredicates, 22 NumberOfNonLiveVariables, 276 ConjunctsInSsa, 57 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrlen_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-03-29_20-12-56-771.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrlen_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-03-29_20-12-56-771.csv Received shutdown request...