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/openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-835382a-m [2018-04-05 16:12:35,246 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-05 16:12:35,248 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-05 16:12:35,298 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-05 16:12:35,306 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-05 16:12:35,307 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-05 16:12:35,309 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-05 16:12:35,320 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-05 16:12:35,322 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-05 16:12:35,326 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-05 16:12:35,327 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-05 16:12:35,327 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-05 16:12:35,328 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-05 16:12:35,329 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-05 16:12:35,330 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-05 16:12:35,346 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-05 16:12:35,360 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-05 16:12:35,362 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-05 16:12:35,375 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-05 16:12:35,381 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-05 16:12:35,383 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-05 16:12:35,389 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-05 16:12:35,389 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-05 16:12:35,391 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-05 16:12:35,392 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-05 16:12:35,403 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-05 16:12:35,404 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-05 16:12:35,404 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-05 16:12:35,405 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-05 16:12:35,405 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-05 16:12:35,407 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-05 16:12:35,408 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 [2018-04-05 16:12:35,518 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-05 16:12:35,518 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-05 16:12:35,519 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-04-05 16:12:35,522 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-04-05 16:12:35,523 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-04-05 16:12:35,524 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-04-05 16:12:35,524 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-04-05 16:12:35,524 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-04-05 16:12:35,524 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-04-05 16:12:35,533 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-04-05 16:12:35,533 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-04-05 16:12:35,534 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-05 16:12:35,534 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-05 16:12:35,534 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-05 16:12:35,534 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-05 16:12:35,534 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-05 16:12:35,536 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-05 16:12:35,536 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-05 16:12:35,536 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-04-05 16:12:35,536 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-05 16:12:35,536 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-05 16:12:35,537 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-05 16:12:35,537 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-04-05 16:12:35,537 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-04-05 16:12:35,537 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-05 16:12:35,537 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-05 16:12:35,538 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-05 16:12:35,545 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-05 16:12:35,548 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-05 16:12:35,549 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-04-05 16:12:35,549 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-04-05 16:12:35,549 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 16:12:35,549 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-04-05 16:12:35,550 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-04-05 16:12:35,550 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-04-05 16:12:35,551 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-04-05 16:12:35,551 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-04-05 16:12:35,665 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-05 16:12:35,693 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-05 16:12:35,698 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-05 16:12:35,704 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-05 16:12:35,705 INFO L276 PluginConnector]: CDTParser initialized [2018-04-05 16:12:35,706 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,342 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGbf5121520 [2018-04-05 16:12:36,897 INFO L287 CDTParser]: IsIndexed: true [2018-04-05 16:12:36,897 INFO L288 CDTParser]: Found 1 translation units. [2018-04-05 16:12:36,902 INFO L168 CDTParser]: Scanning openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,925 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-05 16:12:36,925 INFO L215 ultiparseSymbolTable]: [2018-04-05 16:12:36,925 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-05 16:12:36,926 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____bswap_64 ('__bswap_64') in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,926 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____bswap_32 ('__bswap_32') in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,926 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpy ('cstrcpy') in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,926 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,926 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-05 16:12:36,926 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__fd_set in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,927 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_rwlock_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,927 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__uid_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,927 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____id_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,927 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__lldiv_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,927 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____rlim64_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,927 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____syscall_ulong_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,927 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__blksize_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,928 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____qaddr_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,928 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____blksize_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,929 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__fsblkcnt_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,929 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____uint32_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,929 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____caddr_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,929 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__time_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,929 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__div_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,929 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____int32_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,929 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____dev_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,929 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____fsblkcnt_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,930 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__int16_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,930 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_key_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,930 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__sigset_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,930 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____u_short in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,930 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__mode_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,930 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__ulong in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,930 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____u_long in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,931 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__caddr_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,931 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__ino_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,931 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__clock_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,931 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____uint16_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,931 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__daddr_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,931 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____fsid_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,931 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__ldiv_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,931 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____fsfilcnt64_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,931 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__u_long in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,932 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__pid_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,933 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____syscall_slong_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,933 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____int8_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,933 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____loff_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,933 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__int64_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,933 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__fsid_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,933 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_barrierattr_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,934 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__register_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,934 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____clock_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,934 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_mutex_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,934 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____WAIT_STATUS in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,934 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____time_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,934 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____uint8_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,934 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____daddr_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,935 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____key_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,935 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__ushort in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,935 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__int8_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,935 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____fsfilcnt_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,935 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__u_quad_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,935 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__loff_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,935 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__u_int64_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,935 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__wchar_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,936 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__uint in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,936 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__nlink_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,936 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,936 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____int64_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,936 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____useconds_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,936 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__id_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,936 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__dev_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,936 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_condattr_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,937 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_attr_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,937 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____sig_atomic_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,937 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__u_int8_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,937 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____u_int in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,937 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____fd_mask in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,937 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__quad_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,937 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____clockid_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,937 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__clockid_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,937 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____blkcnt_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,938 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_cond_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,947 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____sigset_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,947 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__u_int16_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,947 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__ssize_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,947 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__suseconds_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,947 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_once_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,947 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____fsword_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,948 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_spinlock_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,948 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__fd_mask in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,948 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____uint64_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,948 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____ino_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,948 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____uid_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,948 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__gid_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,948 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____ino64_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,948 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__u_short in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,948 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____socklen_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,949 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__int32_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,949 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____mode_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,949 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,949 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____blkcnt64_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,949 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____gid_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,949 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__fsfilcnt_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,949 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____int16_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,949 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____off_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,949 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____nlink_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,949 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__off_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,950 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____intptr_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,950 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__size_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,950 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__timer_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,950 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__blkcnt_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,950 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____ssize_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,950 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__u_char in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,950 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__key_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,950 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__u_int32_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,950 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____pthread_list_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,951 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__u_int in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,961 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____rlim_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,962 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____timer_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,962 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_barrier_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,962 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____u_quad_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,962 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____off64_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,962 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____pid_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,962 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____suseconds_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,963 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_mutexattr_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,963 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____u_char in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,963 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____quad_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:36,963 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____fsblkcnt64_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:37,024 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGbf5121520 [2018-04-05 16:12:37,038 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-05 16:12:37,040 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-05 16:12:37,041 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-05 16:12:37,041 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-05 16:12:37,084 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-05 16:12:37,086 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 04:12:37" (1/1) ... [2018-04-05 16:12:37,098 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73f5725e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:12:37, skipping insertion in model container [2018-04-05 16:12:37,098 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 04:12:37" (1/1) ... [2018-04-05 16:12:37,120 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-05 16:12:37,234 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-05 16:12:37,636 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-05 16:12:37,748 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-05 16:12:37,765 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-05 16:12:37,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:12:37 WrapperNode [2018-04-05 16:12:37,832 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-05 16:12:37,833 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-05 16:12:37,833 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-05 16:12:37,833 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-05 16:12:37,859 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:12:37" (1/1) ... [2018-04-05 16:12:37,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:12:37" (1/1) ... [2018-04-05 16:12:37,899 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:12:37" (1/1) ... [2018-04-05 16:12:37,906 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:12:37" (1/1) ... [2018-04-05 16:12:37,944 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:12:37" (1/1) ... [2018-04-05 16:12:37,961 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:12:37" (1/1) ... [2018-04-05 16:12:37,970 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:12:37" (1/1) ... [2018-04-05 16:12:37,985 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-05 16:12:37,986 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-05 16:12:37,986 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-05 16:12:37,986 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-05 16:12:37,987 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:12:37" (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 [2018-04-05 16:12:38,357 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-05 16:12:38,367 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-05 16:12:38,367 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-05 16:12:38,367 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-05 16:12:38,367 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpy [2018-04-05 16:12:38,367 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-05 16:12:38,377 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-05 16:12:38,377 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-05 16:12:38,377 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-05 16:12:38,377 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-05 16:12:38,378 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-05 16:12:38,378 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-05 16:12:38,378 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-05 16:12:38,378 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-05 16:12:38,378 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-05 16:12:38,378 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-05 16:12:38,378 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-05 16:12:38,379 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-05 16:12:38,379 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-05 16:12:38,379 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-05 16:12:38,379 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-05 16:12:38,379 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-05 16:12:38,379 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-05 16:12:38,379 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-05 16:12:38,380 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-05 16:12:38,380 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-05 16:12:38,380 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-05 16:12:38,380 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-05 16:12:38,380 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-05 16:12:38,380 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-05 16:12:38,380 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-05 16:12:38,381 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-05 16:12:38,390 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-05 16:12:38,390 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-05 16:12:38,390 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-05 16:12:38,390 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-05 16:12:38,391 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-05 16:12:38,391 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-05 16:12:38,391 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-05 16:12:38,391 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-05 16:12:38,391 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-05 16:12:38,391 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-05 16:12:38,392 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-05 16:12:38,392 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-05 16:12:38,392 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-05 16:12:38,392 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-05 16:12:38,392 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-05 16:12:38,392 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-05 16:12:38,392 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-05 16:12:38,392 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-05 16:12:38,393 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-05 16:12:38,393 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-05 16:12:38,393 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-05 16:12:38,393 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-05 16:12:38,393 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-05 16:12:38,393 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-05 16:12:38,393 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-05 16:12:38,393 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-05 16:12:38,394 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-05 16:12:38,403 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-05 16:12:38,403 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-05 16:12:38,403 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-05 16:12:38,403 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-05 16:12:38,404 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-05 16:12:38,404 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-05 16:12:38,404 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-05 16:12:38,404 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-05 16:12:38,404 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-05 16:12:38,404 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-05 16:12:38,404 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-05 16:12:38,405 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-05 16:12:38,405 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-05 16:12:38,405 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-05 16:12:38,405 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-05 16:12:38,405 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-05 16:12:38,405 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-05 16:12:38,405 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-05 16:12:38,405 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-05 16:12:38,406 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-05 16:12:38,406 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-05 16:12:38,406 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-05 16:12:38,406 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-05 16:12:38,406 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-05 16:12:38,406 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-05 16:12:38,406 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-05 16:12:38,407 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-05 16:12:38,413 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-05 16:12:38,413 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-05 16:12:38,413 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-05 16:12:38,413 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-05 16:12:38,413 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-05 16:12:38,413 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-05 16:12:38,413 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-05 16:12:38,414 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-05 16:12:38,414 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-05 16:12:38,414 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-05 16:12:38,414 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-05 16:12:38,414 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-05 16:12:38,414 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-05 16:12:38,414 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-05 16:12:38,414 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-05 16:12:38,415 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-05 16:12:38,415 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-05 16:12:38,415 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-05 16:12:38,415 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-05 16:12:38,415 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-05 16:12:38,415 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-05 16:12:38,415 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-05 16:12:38,415 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-05 16:12:38,415 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpy [2018-04-05 16:12:38,421 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-05 16:12:38,421 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-05 16:12:38,421 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-05 16:12:38,421 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-05 16:12:38,421 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-05 16:12:38,422 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-05 16:12:38,422 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-05 16:12:38,422 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-05 16:12:39,430 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-05 16:12:39,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 04:12:39 BoogieIcfgContainer [2018-04-05 16:12:39,431 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-05 16:12:39,432 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-05 16:12:39,432 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-05 16:12:39,435 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-05 16:12:39,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 04:12:37" (1/3) ... [2018-04-05 16:12:39,437 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@645055f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 04:12:39, skipping insertion in model container [2018-04-05 16:12:39,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:12:37" (2/3) ... [2018-04-05 16:12:39,437 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@645055f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 04:12:39, skipping insertion in model container [2018-04-05 16:12:39,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 04:12:39" (3/3) ... [2018-04-05 16:12:39,446 INFO L107 eAbstractionObserver]: Analyzing ICFG openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-05 16:12:39,467 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-05 16:12:39,513 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2018-04-05 16:12:39,654 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-05 16:12:39,663 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-05 16:12:39,663 INFO L370 AbstractCegarLoop]: Hoare is true [2018-04-05 16:12:39,664 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-05 16:12:39,664 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-05 16:12:39,664 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-05 16:12:39,664 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-05 16:12:39,664 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-05 16:12:39,664 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-05 16:12:39,665 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-05 16:12:39,689 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2018-04-05 16:12:39,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-04-05 16:12:39,703 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 16:12:39,705 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 16:12:39,705 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-05 16:12:39,720 INFO L82 PathProgramCache]: Analyzing trace with hash 1304535894, 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 [2018-04-05 16:12:39,788 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 16:12:39,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 16:12:39,878 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 16:12:39,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 16:12:39,947 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 16:12:39,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 16:12:40,057 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 16:12:40,058 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2018-04-05 16:12:40,062 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-05 16:12:40,078 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-05 16:12:40,079 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-05 16:12:40,082 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 3 states. [2018-04-05 16:12:40,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 16:12:40,222 INFO L93 Difference]: Finished difference Result 74 states and 78 transitions. [2018-04-05 16:12:40,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-05 16:12:40,224 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2018-04-05 16:12:40,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 16:12:40,250 INFO L225 Difference]: With dead ends: 74 [2018-04-05 16:12:40,250 INFO L226 Difference]: Without dead ends: 55 [2018-04-05 16:12:40,256 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-05 16:12:40,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-04-05 16:12:40,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-04-05 16:12:40,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-04-05 16:12:40,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 57 transitions. [2018-04-05 16:12:40,346 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 57 transitions. Word has length 17 [2018-04-05 16:12:40,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 16:12:40,347 INFO L459 AbstractCegarLoop]: Abstraction has 55 states and 57 transitions. [2018-04-05 16:12:40,347 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-05 16:12:40,347 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 57 transitions. [2018-04-05 16:12:40,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-05 16:12:40,348 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 16:12:40,348 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 16:12:40,348 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-05 16:12:40,348 INFO L82 PathProgramCache]: Analyzing trace with hash -1671521284, 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 [2018-04-05 16:12:40,382 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 16:12:40,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 16:12:40,413 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 16:12:40,504 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-05 16:12:40,506 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 16:12:40,533 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:12:40,533 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-05 16:12:40,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 16:12:40,650 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 16:12:40,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 16:12:40,782 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 16:12:40,783 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-05 16:12:40,784 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-05 16:12:40,785 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-05 16:12:40,785 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-05 16:12:40,785 INFO L87 Difference]: Start difference. First operand 55 states and 57 transitions. Second operand 4 states. [2018-04-05 16:12:40,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 16:12:40,989 INFO L93 Difference]: Finished difference Result 55 states and 57 transitions. [2018-04-05 16:12:40,989 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-05 16:12:40,989 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-04-05 16:12:40,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 16:12:40,991 INFO L225 Difference]: With dead ends: 55 [2018-04-05 16:12:40,991 INFO L226 Difference]: Without dead ends: 54 [2018-04-05 16:12:40,992 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-05 16:12:40,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-04-05 16:12:41,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2018-04-05 16:12:41,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-04-05 16:12:41,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 56 transitions. [2018-04-05 16:12:41,005 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 56 transitions. Word has length 20 [2018-04-05 16:12:41,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 16:12:41,006 INFO L459 AbstractCegarLoop]: Abstraction has 54 states and 56 transitions. [2018-04-05 16:12:41,006 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-05 16:12:41,006 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 56 transitions. [2018-04-05 16:12:41,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-05 16:12:41,007 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 16:12:41,007 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 16:12:41,007 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-05 16:12:41,007 INFO L82 PathProgramCache]: Analyzing trace with hash -1671521283, 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 [2018-04-05 16:12:41,024 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 16:12:41,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 16:12:41,074 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 16:12:41,152 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-05 16:12:41,152 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 16:12:41,222 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:12:41,222 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-04-05 16:12:41,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 16:12:41,448 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 16:12:41,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 16:12:41,824 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 16:12:41,825 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2018-04-05 16:12:41,825 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-05 16:12:41,825 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-05 16:12:41,826 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-04-05 16:12:41,826 INFO L87 Difference]: Start difference. First operand 54 states and 56 transitions. Second operand 7 states. [2018-04-05 16:12:42,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 16:12:42,219 INFO L93 Difference]: Finished difference Result 54 states and 56 transitions. [2018-04-05 16:12:42,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-05 16:12:42,220 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-04-05 16:12:42,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 16:12:42,221 INFO L225 Difference]: With dead ends: 54 [2018-04-05 16:12:42,222 INFO L226 Difference]: Without dead ends: 53 [2018-04-05 16:12:42,222 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-04-05 16:12:42,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-04-05 16:12:42,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2018-04-05 16:12:42,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-04-05 16:12:42,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 55 transitions. [2018-04-05 16:12:42,237 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 55 transitions. Word has length 20 [2018-04-05 16:12:42,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 16:12:42,238 INFO L459 AbstractCegarLoop]: Abstraction has 53 states and 55 transitions. [2018-04-05 16:12:42,238 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-05 16:12:42,238 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 55 transitions. [2018-04-05 16:12:42,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-04-05 16:12:42,245 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 16:12:42,245 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 16:12:42,246 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-05 16:12:42,246 INFO L82 PathProgramCache]: Analyzing trace with hash 954581403, 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 [2018-04-05 16:12:42,270 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 16:12:42,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 16:12:42,320 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 16:12:42,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 16:12:42,820 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 16:12:42,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 16:12:42,986 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 16:12:42,986 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2018-04-05 16:12:42,987 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-05 16:12:42,991 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-05 16:12:42,992 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-05 16:12:42,992 INFO L87 Difference]: Start difference. First operand 53 states and 55 transitions. Second operand 5 states. [2018-04-05 16:12:43,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 16:12:43,270 INFO L93 Difference]: Finished difference Result 53 states and 55 transitions. [2018-04-05 16:12:43,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-05 16:12:43,271 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2018-04-05 16:12:43,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 16:12:43,272 INFO L225 Difference]: With dead ends: 53 [2018-04-05 16:12:43,272 INFO L226 Difference]: Without dead ends: 52 [2018-04-05 16:12:43,273 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-05 16:12:43,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-04-05 16:12:43,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-04-05 16:12:43,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-04-05 16:12:43,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 54 transitions. [2018-04-05 16:12:43,328 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 54 transitions. Word has length 26 [2018-04-05 16:12:43,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 16:12:43,335 INFO L459 AbstractCegarLoop]: Abstraction has 52 states and 54 transitions. [2018-04-05 16:12:43,335 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-05 16:12:43,335 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 54 transitions. [2018-04-05 16:12:43,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-04-05 16:12:43,336 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 16:12:43,336 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 16:12:43,336 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-05 16:12:43,337 INFO L82 PathProgramCache]: Analyzing trace with hash 954581404, 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 [2018-04-05 16:12:43,370 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 16:12:43,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 16:12:43,415 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 16:12:43,774 WARN L148 SmtUtils]: Spent 160ms on a formula simplification that was a NOOP. DAG size: 7 [2018-04-05 16:12:44,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 16:12:44,175 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 16:12:44,199 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 [2018-04-05 16:12:44,200 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 16:12:44,341 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 [2018-04-05 16:12:44,342 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 16:12:44,417 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-05 16:12:44,417 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2018-04-05 16:12:44,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 16:12:44,690 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 16:12:44,690 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2018-04-05 16:12:44,691 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-05 16:12:44,691 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-05 16:12:44,691 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-04-05 16:12:44,691 INFO L87 Difference]: Start difference. First operand 52 states and 54 transitions. Second operand 8 states. [2018-04-05 16:12:45,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 16:12:45,231 INFO L93 Difference]: Finished difference Result 55 states and 57 transitions. [2018-04-05 16:12:45,231 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-05 16:12:45,231 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 26 [2018-04-05 16:12:45,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 16:12:45,232 INFO L225 Difference]: With dead ends: 55 [2018-04-05 16:12:45,233 INFO L226 Difference]: Without dead ends: 54 [2018-04-05 16:12:45,233 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 43 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2018-04-05 16:12:45,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-04-05 16:12:45,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2018-04-05 16:12:45,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-04-05 16:12:45,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 56 transitions. [2018-04-05 16:12:45,245 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 56 transitions. Word has length 26 [2018-04-05 16:12:45,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 16:12:45,245 INFO L459 AbstractCegarLoop]: Abstraction has 54 states and 56 transitions. [2018-04-05 16:12:45,245 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-05 16:12:45,245 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 56 transitions. [2018-04-05 16:12:45,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-05 16:12:45,246 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 16:12:45,246 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 16:12:45,246 INFO L408 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-05 16:12:45,246 INFO L82 PathProgramCache]: Analyzing trace with hash -472747546, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 16:12:45,269 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 16:12:45,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 16:12:45,310 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 16:12:45,349 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-05 16:12:45,349 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 16:12:45,408 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-05 16:12:45,408 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 16:12:45,462 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:12:45,462 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:19, output treesize:14 [2018-04-05 16:12:45,621 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 16:12:45,633 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-04-05 16:12:45,634 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 16:12:45,723 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 16:12:45,733 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 16:12:45,734 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-05 16:12:45,734 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 16:12:45,801 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:12:45,801 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:13 [2018-04-05 16:12:46,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 16:12:46,070 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 16:12:46,635 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 3 [2018-04-05 16:12:46,635 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 16:12:46,663 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 15 [2018-04-05 16:12:46,731 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-04-05 16:12:46,731 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-05 16:12:46,738 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-04-05 16:12:46,738 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-05 16:12:46,760 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:12:46,787 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:12:46,787 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:21, output treesize:3 [2018-04-05 16:12:46,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 16:12:46,879 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 16:12:46,879 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8, 7] imperfect sequences [] total 13 [2018-04-05 16:12:46,879 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-05 16:12:46,880 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-05 16:12:46,880 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2018-04-05 16:12:46,880 INFO L87 Difference]: Start difference. First operand 54 states and 56 transitions. Second operand 14 states. [2018-04-05 16:12:48,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 16:12:48,566 INFO L93 Difference]: Finished difference Result 68 states and 71 transitions. [2018-04-05 16:12:48,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-05 16:12:48,567 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 27 [2018-04-05 16:12:48,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 16:12:48,571 INFO L225 Difference]: With dead ends: 68 [2018-04-05 16:12:48,571 INFO L226 Difference]: Without dead ends: 67 [2018-04-05 16:12:48,572 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=88, Invalid=332, Unknown=0, NotChecked=0, Total=420 [2018-04-05 16:12:48,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-04-05 16:12:48,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 55. [2018-04-05 16:12:48,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-04-05 16:12:48,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 58 transitions. [2018-04-05 16:12:48,590 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 58 transitions. Word has length 27 [2018-04-05 16:12:48,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 16:12:48,590 INFO L459 AbstractCegarLoop]: Abstraction has 55 states and 58 transitions. [2018-04-05 16:12:48,590 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-05 16:12:48,590 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 58 transitions. [2018-04-05 16:12:48,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-05 16:12:48,591 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 16:12:48,592 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 16:12:48,594 INFO L408 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-05 16:12:48,594 INFO L82 PathProgramCache]: Analyzing trace with hash -472747547, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 16:12:48,639 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 16:12:48,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 16:12:48,704 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 16:12:48,733 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-05 16:12:48,733 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 16:12:48,775 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:12:48,775 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-05 16:12:48,962 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 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 12 treesize of output 11 [2018-04-05 16:12:48,963 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 16:12:48,986 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:12:48,987 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-04-05 16:12:49,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 16:12:49,222 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 16:12:49,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 16:12:49,477 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 16:12:49,477 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 9 [2018-04-05 16:12:49,478 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-05 16:12:49,482 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-05 16:12:49,482 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-04-05 16:12:49,483 INFO L87 Difference]: Start difference. First operand 55 states and 58 transitions. Second operand 10 states. [2018-04-05 16:12:50,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 16:12:50,089 INFO L93 Difference]: Finished difference Result 55 states and 58 transitions. [2018-04-05 16:12:50,090 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-05 16:12:50,090 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 27 [2018-04-05 16:12:50,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 16:12:50,091 INFO L225 Difference]: With dead ends: 55 [2018-04-05 16:12:50,091 INFO L226 Difference]: Without dead ends: 54 [2018-04-05 16:12:50,091 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 43 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2018-04-05 16:12:50,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-04-05 16:12:50,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2018-04-05 16:12:50,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-04-05 16:12:50,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 56 transitions. [2018-04-05 16:12:50,112 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 56 transitions. Word has length 27 [2018-04-05 16:12:50,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 16:12:50,112 INFO L459 AbstractCegarLoop]: Abstraction has 54 states and 56 transitions. [2018-04-05 16:12:50,112 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-05 16:12:50,113 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 56 transitions. [2018-04-05 16:12:50,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-04-05 16:12:50,114 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 16:12:50,123 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 16:12:50,123 INFO L408 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-05 16:12:50,123 INFO L82 PathProgramCache]: Analyzing trace with hash -1391876469, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 16:12:50,154 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 16:12:50,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 16:12:50,221 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 16:12:50,285 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-04-05 16:12:50,294 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-04-05 16:12:50,294 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 16:12:50,305 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:12:50,355 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-05 16:12:50,355 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:21 [2018-04-05 16:12:50,523 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2018-04-05 16:12:50,569 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 11 [2018-04-05 16:12:50,570 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-05 16:12:50,604 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-05 16:12:50,675 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-05 16:12:50,675 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:34, output treesize:33 [2018-04-05 16:12:50,862 WARN L151 SmtUtils]: Spent 136ms on a formula simplification. DAG size of input: 17 DAG size of output 17 [2018-04-05 16:12:51,026 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 16:12:51,026 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 16:12:51,645 WARN L151 SmtUtils]: Spent 100ms on a formula simplification. DAG size of input: 18 DAG size of output 14 [2018-04-05 16:12:51,887 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 [2018-04-05 16:12:51,888 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 16:12:51,933 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2018-04-05 16:12:52,005 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-04-05 16:12:52,005 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-05 16:12:52,014 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:12:52,051 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:12:52,052 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:35, output treesize:7 [2018-04-05 16:12:52,098 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 16:12:52,160 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-05 16:12:52,160 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2018-04-05 16:12:52,161 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-05 16:12:52,161 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-05 16:12:52,161 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2018-04-05 16:12:52,161 INFO L87 Difference]: Start difference. First operand 54 states and 56 transitions. Second operand 15 states. [2018-04-05 16:12:53,003 WARN L151 SmtUtils]: Spent 298ms on a formula simplification. DAG size of input: 42 DAG size of output 40 [2018-04-05 16:12:53,459 WARN L151 SmtUtils]: Spent 274ms on a formula simplification. DAG size of input: 24 DAG size of output 23 [2018-04-05 16:12:54,038 WARN L151 SmtUtils]: Spent 132ms on a formula simplification. DAG size of input: 19 DAG size of output 17 [2018-04-05 16:12:54,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 16:12:54,270 INFO L93 Difference]: Finished difference Result 79 states and 83 transitions. [2018-04-05 16:12:54,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-05 16:12:54,271 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 37 [2018-04-05 16:12:54,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 16:12:54,272 INFO L225 Difference]: With dead ends: 79 [2018-04-05 16:12:54,272 INFO L226 Difference]: Without dead ends: 78 [2018-04-05 16:12:54,273 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 59 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=82, Invalid=338, Unknown=0, NotChecked=0, Total=420 [2018-04-05 16:12:54,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-04-05 16:12:54,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 64. [2018-04-05 16:12:54,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-04-05 16:12:54,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 67 transitions. [2018-04-05 16:12:54,303 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 67 transitions. Word has length 37 [2018-04-05 16:12:54,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 16:12:54,303 INFO L459 AbstractCegarLoop]: Abstraction has 64 states and 67 transitions. [2018-04-05 16:12:54,303 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-05 16:12:54,303 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 67 transitions. [2018-04-05 16:12:54,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-04-05 16:12:54,305 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 16:12:54,311 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 16:12:54,311 INFO L408 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-05 16:12:54,312 INFO L82 PathProgramCache]: Analyzing trace with hash -198497577, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 16:12:54,336 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 16:12:54,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 16:12:54,410 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 16:12:54,489 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-05 16:12:54,489 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 16:12:54,569 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-05 16:12:54,570 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 16:12:54,611 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:12:54,611 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:19, output treesize:14 [2018-04-05 16:12:54,743 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 16:12:54,783 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-04-05 16:12:54,783 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 16:12:54,981 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 16:12:54,986 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 16:12:54,987 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-05 16:12:54,987 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 16:12:55,019 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:12:55,019 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:15 [2018-04-05 16:12:55,980 WARN L148 SmtUtils]: Spent 185ms on a formula simplification that was a NOOP. DAG size: 16 [2018-04-05 16:12:56,238 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 16:12:56,239 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 16:12:58,556 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-04-05 16:12:58,577 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 16:12:58,602 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 15 [2018-04-05 16:12:58,677 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-04-05 16:12:58,677 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-05 16:12:58,684 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-04-05 16:12:58,684 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-05 16:12:58,714 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:12:58,743 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:12:58,744 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:24, output treesize:7 [2018-04-05 16:12:58,905 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 16:12:58,954 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-05 16:12:58,954 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 27 [2018-04-05 16:12:58,954 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-04-05 16:12:58,955 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-04-05 16:12:58,955 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=669, Unknown=0, NotChecked=0, Total=756 [2018-04-05 16:12:58,955 INFO L87 Difference]: Start difference. First operand 64 states and 67 transitions. Second operand 28 states. [2018-04-05 16:13:00,776 WARN L148 SmtUtils]: Spent 229ms on a formula simplification that was a NOOP. DAG size: 27 [2018-04-05 16:13:01,984 WARN L148 SmtUtils]: Spent 221ms on a formula simplification that was a NOOP. DAG size: 26 [2018-04-05 16:13:03,427 WARN L148 SmtUtils]: Spent 175ms on a formula simplification that was a NOOP. DAG size: 45 [2018-04-05 16:13:04,713 WARN L151 SmtUtils]: Spent 232ms on a formula simplification. DAG size of input: 37 DAG size of output 34 [2018-04-05 16:13:05,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 16:13:05,582 INFO L93 Difference]: Finished difference Result 89 states and 94 transitions. [2018-04-05 16:13:05,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-04-05 16:13:05,583 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 38 [2018-04-05 16:13:05,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 16:13:05,585 INFO L225 Difference]: With dead ends: 89 [2018-04-05 16:13:05,585 INFO L226 Difference]: Without dead ends: 88 [2018-04-05 16:13:05,586 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=322, Invalid=2030, Unknown=0, NotChecked=0, Total=2352 [2018-04-05 16:13:05,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2018-04-05 16:13:05,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 76. [2018-04-05 16:13:05,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-04-05 16:13:05,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 81 transitions. [2018-04-05 16:13:05,628 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 81 transitions. Word has length 38 [2018-04-05 16:13:05,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 16:13:05,628 INFO L459 AbstractCegarLoop]: Abstraction has 76 states and 81 transitions. [2018-04-05 16:13:05,628 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-04-05 16:13:05,629 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 81 transitions. [2018-04-05 16:13:05,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-04-05 16:13:05,630 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 16:13:05,630 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 16:13:05,630 INFO L408 AbstractCegarLoop]: === Iteration 10 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-05 16:13:05,630 INFO L82 PathProgramCache]: Analyzing trace with hash 521284218, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 16:13:05,699 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 16:13:05,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 16:13:05,783 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 16:13:05,994 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 16:13:05,995 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 27 [2018-04-05 16:13:06,000 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2018-04-05 16:13:06,001 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 16:13:06,046 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:13:06,072 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-05 16:13:06,072 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-04-05 16:13:06,204 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc7.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc7.base| 1))) (and (= (select |c_old(#valid)| |main_#t~malloc7.base|) 0) (= (store (store .cse0 |c_main_#t~malloc8.base| 1) |main_#t~malloc7.base| 0) |c_#valid|) (= (select .cse0 |c_main_#t~malloc8.base|) 0)))) is different from true [2018-04-05 16:13:06,218 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc7.base| Int) (|main_#t~malloc8.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc7.base| 1))) (and (= (select |c_old(#valid)| |main_#t~malloc7.base|) 0) (= |c_#valid| (store (store (store .cse0 |main_#t~malloc8.base| 1) |main_#t~malloc7.base| 0) |main_#t~malloc8.base| 0)) (= (select .cse0 |main_#t~malloc8.base|) 0)))) is different from true [2018-04-05 16:13:06,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 16:13:06,239 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 16:13:06,363 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc8.base_13| Int)) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc8.base_13|))) (= (store (store (store |c_#valid| |v_main_#t~malloc8.base_13| 1) |c_main_#t~malloc7.base| 0) |v_main_#t~malloc8.base_13| 0) |c_old(#valid)|))) is different from false [2018-04-05 16:13:06,381 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc7.base_12| Int) (|v_main_#t~malloc8.base_13| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc7.base_12| 1))) (or (= (store (store (store .cse0 |v_main_#t~malloc8.base_13| 1) |v_main_#t~malloc7.base_12| 0) |v_main_#t~malloc8.base_13| 0) |c_old(#valid)|) (not (= 0 (select |c_#valid| |v_main_#t~malloc7.base_12|))) (not (= (select .cse0 |v_main_#t~malloc8.base_13|) 0))))) is different from false [2018-04-05 16:13:06,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 16:13:06,482 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 16:13:06,482 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2018-04-05 16:13:06,483 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-05 16:13:06,483 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-05 16:13:06,483 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=45, Unknown=4, NotChecked=60, Total=132 [2018-04-05 16:13:06,483 INFO L87 Difference]: Start difference. First operand 76 states and 81 transitions. Second operand 12 states. [2018-04-05 16:13:06,558 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc7.base_12| Int) (|v_main_#t~malloc8.base_13| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc7.base_12| 1))) (or (= (store (store (store .cse0 |v_main_#t~malloc8.base_13| 1) |v_main_#t~malloc7.base_12| 0) |v_main_#t~malloc8.base_13| 0) |c_old(#valid)|) (not (= 0 (select |c_#valid| |v_main_#t~malloc7.base_12|))) (not (= (select .cse0 |v_main_#t~malloc8.base_13|) 0)))))) is different from false [2018-04-05 16:13:07,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 16:13:07,732 INFO L93 Difference]: Finished difference Result 137 states and 146 transitions. [2018-04-05 16:13:07,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-05 16:13:07,733 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 39 [2018-04-05 16:13:07,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 16:13:07,734 INFO L225 Difference]: With dead ends: 137 [2018-04-05 16:13:07,735 INFO L226 Difference]: Without dead ends: 125 [2018-04-05 16:13:07,735 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 67 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=45, Invalid=125, Unknown=6, NotChecked=130, Total=306 [2018-04-05 16:13:07,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-04-05 16:13:07,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 123. [2018-04-05 16:13:07,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-04-05 16:13:07,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 132 transitions. [2018-04-05 16:13:07,781 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 132 transitions. Word has length 39 [2018-04-05 16:13:07,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 16:13:07,781 INFO L459 AbstractCegarLoop]: Abstraction has 123 states and 132 transitions. [2018-04-05 16:13:07,781 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-05 16:13:07,782 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 132 transitions. [2018-04-05 16:13:07,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-04-05 16:13:07,791 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 16:13:07,791 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 16:13:07,791 INFO L408 AbstractCegarLoop]: === Iteration 11 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-05 16:13:07,791 INFO L82 PathProgramCache]: Analyzing trace with hash -1640662096, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 16:13:07,828 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 16:13:07,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 16:13:07,945 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 16:13:08,113 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 16:13:08,114 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2018-04-05 16:13:08,154 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 16:13:08,155 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-04-05 16:13:08,156 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 16:13:08,191 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:13:08,216 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-05 16:13:08,216 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-04-05 16:13:08,324 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc7.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc7.base| 1))) (and (= (select |c_old(#valid)| |main_#t~malloc7.base|) 0) (= (store (store .cse0 |c_main_#t~malloc8.base| 1) |main_#t~malloc7.base| 0) |c_#valid|) (= (select .cse0 |c_main_#t~malloc8.base|) 0)))) is different from true [2018-04-05 16:13:08,352 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc7.base| Int) (|main_#t~malloc8.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc7.base| 1))) (and (= (select |c_old(#valid)| |main_#t~malloc7.base|) 0) (= |c_#valid| (store (store (store .cse0 |main_#t~malloc8.base| 1) |main_#t~malloc7.base| 0) |main_#t~malloc8.base| 0)) (= (select .cse0 |main_#t~malloc8.base|) 0)))) is different from true [2018-04-05 16:13:08,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 16:13:08,364 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 16:13:08,478 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc8.base_15| Int)) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc8.base_15|))) (= (store (store (store |c_#valid| |v_main_#t~malloc8.base_15| 1) |c_main_#t~malloc7.base| 0) |v_main_#t~malloc8.base_15| 0) |c_old(#valid)|))) is different from false [2018-04-05 16:13:08,493 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc7.base_14| Int) (|v_main_#t~malloc8.base_15| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc7.base_14| 1))) (or (= (store (store (store .cse0 |v_main_#t~malloc8.base_15| 1) |v_main_#t~malloc7.base_14| 0) |v_main_#t~malloc8.base_15| 0) |c_old(#valid)|) (not (= (select .cse0 |v_main_#t~malloc8.base_15|) 0)) (not (= 0 (select |c_#valid| |v_main_#t~malloc7.base_14|)))))) is different from false [2018-04-05 16:13:08,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 16:13:08,603 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 16:13:08,603 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2018-04-05 16:13:08,603 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-05 16:13:08,603 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-05 16:13:08,604 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=45, Unknown=4, NotChecked=60, Total=132 [2018-04-05 16:13:08,604 INFO L87 Difference]: Start difference. First operand 123 states and 132 transitions. Second operand 12 states. [2018-04-05 16:13:08,656 WARN L1011 $PredicateComparison]: unable to prove that (and (forall ((|v_main_#t~malloc7.base_14| Int) (|v_main_#t~malloc8.base_15| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc7.base_14| 1))) (or (= (store (store (store .cse0 |v_main_#t~malloc8.base_15| 1) |v_main_#t~malloc7.base_14| 0) |v_main_#t~malloc8.base_15| 0) |c_old(#valid)|) (not (= (select .cse0 |v_main_#t~malloc8.base_15|) 0)) (not (= 0 (select |c_#valid| |v_main_#t~malloc7.base_14|)))))) (= |c_#valid| |c_old(#valid)|)) is different from false [2018-04-05 16:13:10,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 16:13:10,047 INFO L93 Difference]: Finished difference Result 184 states and 196 transitions. [2018-04-05 16:13:10,048 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-05 16:13:10,048 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 40 [2018-04-05 16:13:10,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 16:13:10,050 INFO L225 Difference]: With dead ends: 184 [2018-04-05 16:13:10,050 INFO L226 Difference]: Without dead ends: 172 [2018-04-05 16:13:10,056 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 69 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=45, Invalid=125, Unknown=6, NotChecked=130, Total=306 [2018-04-05 16:13:10,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2018-04-05 16:13:10,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 124. [2018-04-05 16:13:10,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-04-05 16:13:10,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 133 transitions. [2018-04-05 16:13:10,118 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 133 transitions. Word has length 40 [2018-04-05 16:13:10,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 16:13:10,119 INFO L459 AbstractCegarLoop]: Abstraction has 124 states and 133 transitions. [2018-04-05 16:13:10,119 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-05 16:13:10,119 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 133 transitions. [2018-04-05 16:13:10,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-04-05 16:13:10,121 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 16:13:10,121 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 16:13:10,121 INFO L408 AbstractCegarLoop]: === Iteration 12 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-05 16:13:10,121 INFO L82 PathProgramCache]: Analyzing trace with hash 2005837643, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 16:13:10,143 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 16:13:10,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 16:13:10,205 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 16:13:10,366 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 16:13:10,367 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 27 [2018-04-05 16:13:10,379 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2018-04-05 16:13:10,379 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 16:13:10,413 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:13:10,440 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-05 16:13:10,441 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-04-05 16:13:10,546 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc7.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc7.base| 1))) (and (= (select |c_old(#valid)| |main_#t~malloc7.base|) 0) (= (store (store .cse0 |c_main_#t~malloc8.base| 1) |main_#t~malloc7.base| 0) |c_#valid|) (= (select .cse0 |c_main_#t~malloc8.base|) 0)))) is different from true [2018-04-05 16:13:10,561 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc7.base| Int) (|main_#t~malloc8.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc7.base| 1))) (and (= (select |c_old(#valid)| |main_#t~malloc7.base|) 0) (= |c_#valid| (store (store (store .cse0 |main_#t~malloc8.base| 1) |main_#t~malloc7.base| 0) |main_#t~malloc8.base| 0)) (= (select .cse0 |main_#t~malloc8.base|) 0)))) is different from true [2018-04-05 16:13:10,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 16:13:10,568 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 16:13:10,680 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc8.base_17| Int)) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc8.base_17|))) (= |c_old(#valid)| (store (store (store |c_#valid| |v_main_#t~malloc8.base_17| 1) |c_main_#t~malloc7.base| 0) |v_main_#t~malloc8.base_17| 0)))) is different from false [2018-04-05 16:13:10,696 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc7.base_16| Int) (|v_main_#t~malloc8.base_17| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc7.base_16| 1))) (or (not (= (select .cse0 |v_main_#t~malloc8.base_17|) 0)) (= |c_old(#valid)| (store (store (store .cse0 |v_main_#t~malloc8.base_17| 1) |v_main_#t~malloc7.base_16| 0) |v_main_#t~malloc8.base_17| 0)) (not (= 0 (select |c_#valid| |v_main_#t~malloc7.base_16|)))))) is different from false [2018-04-05 16:13:10,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 16:13:10,811 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 16:13:10,812 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2018-04-05 16:13:10,812 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-05 16:13:10,812 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-05 16:13:10,812 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=45, Unknown=4, NotChecked=60, Total=132 [2018-04-05 16:13:10,813 INFO L87 Difference]: Start difference. First operand 124 states and 133 transitions. Second operand 12 states. [2018-04-05 16:13:10,866 WARN L1011 $PredicateComparison]: unable to prove that (and (forall ((|v_main_#t~malloc7.base_16| Int) (|v_main_#t~malloc8.base_17| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc7.base_16| 1))) (or (not (= (select .cse0 |v_main_#t~malloc8.base_17|) 0)) (= |c_old(#valid)| (store (store (store .cse0 |v_main_#t~malloc8.base_17| 1) |v_main_#t~malloc7.base_16| 0) |v_main_#t~malloc8.base_17| 0)) (not (= 0 (select |c_#valid| |v_main_#t~malloc7.base_16|)))))) (= |c_#valid| |c_old(#valid)|)) is different from false [2018-04-05 16:13:12,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 16:13:12,253 INFO L93 Difference]: Finished difference Result 184 states and 196 transitions. [2018-04-05 16:13:12,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-05 16:13:12,254 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 40 [2018-04-05 16:13:12,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 16:13:12,255 INFO L225 Difference]: With dead ends: 184 [2018-04-05 16:13:12,256 INFO L226 Difference]: Without dead ends: 172 [2018-04-05 16:13:12,256 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 69 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=45, Invalid=125, Unknown=6, NotChecked=130, Total=306 [2018-04-05 16:13:12,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2018-04-05 16:13:12,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 124. [2018-04-05 16:13:12,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-04-05 16:13:12,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 133 transitions. [2018-04-05 16:13:12,289 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 133 transitions. Word has length 40 [2018-04-05 16:13:12,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 16:13:12,289 INFO L459 AbstractCegarLoop]: Abstraction has 124 states and 133 transitions. [2018-04-05 16:13:12,289 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-05 16:13:12,290 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 133 transitions. [2018-04-05 16:13:12,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-04-05 16:13:12,293 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 16:13:12,293 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 16:13:12,293 INFO L408 AbstractCegarLoop]: === Iteration 13 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-05 16:13:12,293 INFO L82 PathProgramCache]: Analyzing trace with hash 1430821119, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 16:13:12,322 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 16:13:12,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 16:13:12,381 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 16:13:12,555 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 16:13:12,556 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2018-04-05 16:13:12,568 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 16:13:12,569 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-04-05 16:13:12,569 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 16:13:12,610 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:13:12,638 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-05 16:13:12,638 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-04-05 16:13:12,734 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc7.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc7.base| 1))) (and (= (select |c_old(#valid)| |main_#t~malloc7.base|) 0) (= (store (store .cse0 |c_main_#t~malloc8.base| 1) |main_#t~malloc7.base| 0) |c_#valid|) (= (select .cse0 |c_main_#t~malloc8.base|) 0)))) is different from true [2018-04-05 16:13:12,759 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc7.base| Int) (|main_#t~malloc8.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc7.base| 1))) (and (= (select |c_old(#valid)| |main_#t~malloc7.base|) 0) (= |c_#valid| (store (store (store .cse0 |main_#t~malloc8.base| 1) |main_#t~malloc7.base| 0) |main_#t~malloc8.base| 0)) (= (select .cse0 |main_#t~malloc8.base|) 0)))) is different from true [2018-04-05 16:13:12,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 16:13:12,767 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 16:13:12,871 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc8.base_19| Int)) (or (= (store (store (store |c_#valid| |v_main_#t~malloc8.base_19| 1) |c_main_#t~malloc7.base| 0) |v_main_#t~malloc8.base_19| 0) |c_old(#valid)|) (not (= 0 (select |c_#valid| |v_main_#t~malloc8.base_19|))))) is different from false [2018-04-05 16:13:12,888 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc7.base_18| Int) (|v_main_#t~malloc8.base_19| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc7.base_18| 1))) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc7.base_18|))) (= |c_old(#valid)| (store (store (store .cse0 |v_main_#t~malloc8.base_19| 1) |v_main_#t~malloc7.base_18| 0) |v_main_#t~malloc8.base_19| 0)) (not (= (select .cse0 |v_main_#t~malloc8.base_19|) 0))))) is different from false [2018-04-05 16:13:12,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 16:13:13,082 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 16:13:13,082 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2018-04-05 16:13:13,082 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-05 16:13:13,083 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-05 16:13:13,083 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=45, Unknown=4, NotChecked=60, Total=132 [2018-04-05 16:13:13,083 INFO L87 Difference]: Start difference. First operand 124 states and 133 transitions. Second operand 12 states. [2018-04-05 16:13:13,140 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc7.base_18| Int) (|v_main_#t~malloc8.base_19| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc7.base_18| 1))) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc7.base_18|))) (= |c_old(#valid)| (store (store (store .cse0 |v_main_#t~malloc8.base_19| 1) |v_main_#t~malloc7.base_18| 0) |v_main_#t~malloc8.base_19| 0)) (not (= (select .cse0 |v_main_#t~malloc8.base_19|) 0)))))) is different from false [2018-04-05 16:13:14,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 16:13:14,273 INFO L93 Difference]: Finished difference Result 126 states and 133 transitions. [2018-04-05 16:13:14,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-05 16:13:14,274 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 41 [2018-04-05 16:13:14,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 16:13:14,275 INFO L225 Difference]: With dead ends: 126 [2018-04-05 16:13:14,275 INFO L226 Difference]: Without dead ends: 114 [2018-04-05 16:13:14,276 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 71 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=45, Invalid=125, Unknown=6, NotChecked=130, Total=306 [2018-04-05 16:13:14,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-04-05 16:13:14,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 64. [2018-04-05 16:13:14,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-04-05 16:13:14,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 67 transitions. [2018-04-05 16:13:14,310 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 67 transitions. Word has length 41 [2018-04-05 16:13:14,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 16:13:14,310 INFO L459 AbstractCegarLoop]: Abstraction has 64 states and 67 transitions. [2018-04-05 16:13:14,310 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-05 16:13:14,310 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 67 transitions. [2018-04-05 16:13:14,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-04-05 16:13:14,319 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 16:13:14,319 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 16:13:14,319 INFO L408 AbstractCegarLoop]: === Iteration 14 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-05 16:13:14,319 INFO L82 PathProgramCache]: Analyzing trace with hash -1154963908, now seen corresponding path program 2 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 16:13:14,352 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 16:13:14,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 16:13:14,422 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 16:13:14,440 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-05 16:13:14,441 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 16:13:14,450 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:13:14,450 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-05 16:13:14,501 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 16:13:14,509 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 16:13:14,510 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-05 16:13:14,510 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 16:13:14,533 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-05 16:13:14,534 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 16:13:14,561 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:13:14,562 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:20, output treesize:13 [2018-04-05 16:13:14,672 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 12 [2018-04-05 16:13:14,676 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 12 treesize of output 11 [2018-04-05 16:13:14,677 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 16:13:14,685 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:13:14,701 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:13:14,702 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:20, output treesize:16 [2018-04-05 16:13:15,107 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 24 [2018-04-05 16:13:15,122 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-05 16:13:15,123 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 16:13:15,163 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:13:15,192 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:13:15,192 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:30, output treesize:15 [2018-04-05 16:13:15,377 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-04-05 16:13:15,417 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 12 [2018-04-05 16:13:15,418 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-05 16:13:15,439 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-05 16:13:15,482 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-05 16:13:15,483 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:29, output treesize:34 [2018-04-05 16:13:15,875 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 16:13:15,875 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 16:13:16,901 WARN L148 SmtUtils]: Spent 146ms on a formula simplification that was a NOOP. DAG size: 28 [2018-04-05 16:13:17,571 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 30 [2018-04-05 16:13:17,667 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-05 16:13:17,667 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 16:13:17,762 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2018-04-05 16:13:17,769 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 1 [2018-04-05 16:13:17,770 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-05 16:13:17,791 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:13:17,795 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2018-04-05 16:13:17,817 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 12 [2018-04-05 16:13:17,817 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-05 16:13:17,825 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:13:17,903 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-04-05 16:13:18,040 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-04-05 16:13:18,040 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:57, output treesize:84 [2018-04-05 16:13:18,426 WARN L151 SmtUtils]: Spent 255ms on a formula simplification. DAG size of input: 24 DAG size of output 20 [2018-04-05 16:13:19,022 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 16:13:19,091 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-05 16:13:19,091 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 29 [2018-04-05 16:13:19,091 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-04-05 16:13:19,092 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-04-05 16:13:19,092 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=783, Unknown=0, NotChecked=0, Total=870 [2018-04-05 16:13:19,092 INFO L87 Difference]: Start difference. First operand 64 states and 67 transitions. Second operand 30 states. [2018-04-05 16:13:20,109 WARN L148 SmtUtils]: Spent 263ms on a formula simplification that was a NOOP. DAG size: 19 [2018-04-05 16:13:21,226 WARN L151 SmtUtils]: Spent 453ms on a formula simplification. DAG size of input: 38 DAG size of output 36 [2018-04-05 16:13:21,681 WARN L151 SmtUtils]: Spent 177ms on a formula simplification. DAG size of input: 34 DAG size of output 30 [2018-04-05 16:13:21,981 WARN L151 SmtUtils]: Spent 112ms on a formula simplification. DAG size of input: 31 DAG size of output 30 [2018-04-05 16:13:22,630 WARN L151 SmtUtils]: Spent 356ms on a formula simplification. DAG size of input: 38 DAG size of output 37 [2018-04-05 16:13:23,027 WARN L151 SmtUtils]: Spent 210ms on a formula simplification. DAG size of input: 33 DAG size of output 32 [2018-04-05 16:13:23,323 WARN L151 SmtUtils]: Spent 134ms on a formula simplification. DAG size of input: 34 DAG size of output 31 [2018-04-05 16:13:23,895 WARN L151 SmtUtils]: Spent 371ms on a formula simplification. DAG size of input: 43 DAG size of output 38 [2018-04-05 16:13:24,254 WARN L151 SmtUtils]: Spent 171ms on a formula simplification. DAG size of input: 38 DAG size of output 35 [2018-04-05 16:13:24,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 16:13:24,395 INFO L93 Difference]: Finished difference Result 64 states and 67 transitions. [2018-04-05 16:13:24,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-04-05 16:13:24,396 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 48 [2018-04-05 16:13:24,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 16:13:24,397 INFO L225 Difference]: With dead ends: 64 [2018-04-05 16:13:24,397 INFO L226 Difference]: Without dead ends: 63 [2018-04-05 16:13:24,398 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 242 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=315, Invalid=1577, Unknown=0, NotChecked=0, Total=1892 [2018-04-05 16:13:24,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-04-05 16:13:24,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2018-04-05 16:13:24,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-04-05 16:13:24,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 65 transitions. [2018-04-05 16:13:24,445 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 65 transitions. Word has length 48 [2018-04-05 16:13:24,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 16:13:24,450 INFO L459 AbstractCegarLoop]: Abstraction has 63 states and 65 transitions. [2018-04-05 16:13:24,450 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-04-05 16:13:24,450 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 65 transitions. [2018-04-05 16:13:24,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-04-05 16:13:24,451 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 16:13:24,451 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 16:13:24,451 INFO L408 AbstractCegarLoop]: === Iteration 15 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-05 16:13:24,452 INFO L82 PathProgramCache]: Analyzing trace with hash -417587337, now seen corresponding path program 2 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 16:13:24,481 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 16:13:24,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 16:13:24,526 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 16:13:24,567 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-05 16:13:24,567 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 16:13:24,615 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-05 16:13:24,616 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 16:13:24,667 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:13:24,668 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:19, output treesize:14 [2018-04-05 16:13:24,819 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 16:13:24,844 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-04-05 16:13:24,844 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 16:13:24,945 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 16:13:24,961 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 16:13:24,962 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-05 16:13:24,963 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 16:13:25,019 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:13:25,067 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:15 [2018-04-05 16:13:26,337 WARN L148 SmtUtils]: Spent 138ms on a formula simplification that was a NOOP. DAG size: 15 [2018-04-05 16:13:27,477 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 16:13:27,477 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 16:13:30,386 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-04-05 16:13:30,387 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 16:13:30,413 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 15 [2018-04-05 16:13:30,479 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-04-05 16:13:30,480 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-05 16:13:30,488 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-04-05 16:13:30,488 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-05 16:13:30,524 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:13:30,551 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:13:30,552 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:24, output treesize:7 [2018-04-05 16:13:30,769 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 16:13:30,817 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-05 16:13:30,817 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 35 [2018-04-05 16:13:30,818 INFO L442 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-04-05 16:13:30,818 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-04-05 16:13:30,819 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=1119, Unknown=0, NotChecked=0, Total=1260 [2018-04-05 16:13:30,819 INFO L87 Difference]: Start difference. First operand 63 states and 65 transitions. Second operand 36 states. [2018-04-05 16:13:34,209 WARN L148 SmtUtils]: Spent 115ms on a formula simplification that was a NOOP. DAG size: 30 [2018-04-05 16:13:34,927 WARN L151 SmtUtils]: Spent 217ms on a formula simplification. DAG size of input: 28 DAG size of output 27 [2018-04-05 16:13:35,482 WARN L151 SmtUtils]: Spent 188ms on a formula simplification. DAG size of input: 29 DAG size of output 28 [2018-04-05 16:13:36,027 WARN L151 SmtUtils]: Spent 152ms on a formula simplification. DAG size of input: 29 DAG size of output 28 [2018-04-05 16:13:36,460 WARN L151 SmtUtils]: Spent 151ms on a formula simplification. DAG size of input: 30 DAG size of output 29 [2018-04-05 16:13:37,013 WARN L148 SmtUtils]: Spent 100ms on a formula simplification that was a NOOP. DAG size: 29 [2018-04-05 16:13:37,683 WARN L151 SmtUtils]: Spent 300ms on a formula simplification. DAG size of input: 53 DAG size of output 46 [2018-04-05 16:13:38,172 WARN L151 SmtUtils]: Spent 220ms on a formula simplification. DAG size of input: 42 DAG size of output 38 [2018-04-05 16:13:38,501 WARN L151 SmtUtils]: Spent 203ms on a formula simplification. DAG size of input: 38 DAG size of output 34 [2018-04-05 16:13:38,855 WARN L151 SmtUtils]: Spent 204ms on a formula simplification. DAG size of input: 38 DAG size of output 34 [2018-04-05 16:13:39,166 WARN L151 SmtUtils]: Spent 161ms on a formula simplification. DAG size of input: 34 DAG size of output 32 [2018-04-05 16:13:39,434 WARN L151 SmtUtils]: Spent 140ms on a formula simplification. DAG size of input: 30 DAG size of output 28 [2018-04-05 16:13:39,816 WARN L151 SmtUtils]: Spent 209ms on a formula simplification. DAG size of input: 30 DAG size of output 28 [2018-04-05 16:13:40,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 16:13:40,417 INFO L93 Difference]: Finished difference Result 111 states and 116 transitions. [2018-04-05 16:13:40,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-04-05 16:13:40,418 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 60 [2018-04-05 16:13:40,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 16:13:40,419 INFO L225 Difference]: With dead ends: 111 [2018-04-05 16:13:40,419 INFO L226 Difference]: Without dead ends: 110 [2018-04-05 16:13:40,421 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 783 ImplicationChecksByTransitivity, 12.1s TimeCoverageRelationStatistics Valid=547, Invalid=3613, Unknown=0, NotChecked=0, Total=4160 [2018-04-05 16:13:40,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-04-05 16:13:40,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 107. [2018-04-05 16:13:40,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2018-04-05 16:13:40,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 109 transitions. [2018-04-05 16:13:40,480 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 109 transitions. Word has length 60 [2018-04-05 16:13:40,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 16:13:40,481 INFO L459 AbstractCegarLoop]: Abstraction has 107 states and 109 transitions. [2018-04-05 16:13:40,481 INFO L460 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-04-05 16:13:40,481 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 109 transitions. [2018-04-05 16:13:40,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-04-05 16:13:40,497 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 16:13:40,498 INFO L355 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 16:13:40,498 INFO L408 AbstractCegarLoop]: === Iteration 16 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-05 16:13:40,498 INFO L82 PathProgramCache]: Analyzing trace with hash -739614537, now seen corresponding path program 3 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 16:13:40,537 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 16:13:40,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 16:13:40,704 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 16:13:40,770 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-05 16:13:40,771 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 16:13:40,887 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-05 16:13:40,887 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 16:13:41,005 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:13:41,006 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:19, output treesize:14 [2018-04-05 16:13:41,131 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 16:13:41,142 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 16:13:41,143 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-05 16:13:41,143 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 16:13:41,186 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-04-05 16:13:41,186 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 16:13:41,220 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:13:41,221 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:15 [2018-04-05 16:13:44,603 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 252 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 16:13:44,603 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 16:13:50,403 WARN L151 SmtUtils]: Spent 102ms on a formula simplification. DAG size of input: 21 DAG size of output 18 [2018-04-05 16:13:50,416 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-04-05 16:13:50,417 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 16:13:50,450 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 15 [2018-04-05 16:13:50,538 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-04-05 16:13:50,539 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-05 16:13:50,544 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-04-05 16:13:50,545 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-05 16:13:50,582 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:13:50,607 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:13:50,608 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:24, output treesize:7 [2018-04-05 16:13:50,949 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 252 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 16:13:51,044 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-05 16:13:51,044 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 51 [2018-04-05 16:13:51,045 INFO L442 AbstractCegarLoop]: Interpolant automaton has 52 states [2018-04-05 16:13:51,045 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2018-04-05 16:13:51,046 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=321, Invalid=2331, Unknown=0, NotChecked=0, Total=2652 [2018-04-05 16:13:51,046 INFO L87 Difference]: Start difference. First operand 107 states and 109 transitions. Second operand 52 states. [2018-04-05 16:13:51,748 WARN L148 SmtUtils]: Spent 109ms on a formula simplification that was a NOOP. DAG size: 33 [2018-04-05 16:13:53,468 WARN L148 SmtUtils]: Spent 130ms on a formula simplification that was a NOOP. DAG size: 32 [2018-04-05 16:13:55,943 WARN L151 SmtUtils]: Spent 145ms on a formula simplification. DAG size of input: 28 DAG size of output 27 [2018-04-05 16:13:56,458 WARN L151 SmtUtils]: Spent 146ms on a formula simplification. DAG size of input: 29 DAG size of output 28 [2018-04-05 16:13:57,134 WARN L151 SmtUtils]: Spent 133ms on a formula simplification. DAG size of input: 29 DAG size of output 28 [2018-04-05 16:13:57,655 WARN L151 SmtUtils]: Spent 185ms on a formula simplification. DAG size of input: 30 DAG size of output 29 [2018-04-05 16:13:58,448 WARN L151 SmtUtils]: Spent 272ms on a formula simplification. DAG size of input: 29 DAG size of output 28 [2018-04-05 16:13:59,092 WARN L151 SmtUtils]: Spent 151ms on a formula simplification. DAG size of input: 30 DAG size of output 29 [2018-04-05 16:13:59,764 WARN L151 SmtUtils]: Spent 144ms on a formula simplification. DAG size of input: 29 DAG size of output 28 [2018-04-05 16:14:00,223 WARN L151 SmtUtils]: Spent 139ms on a formula simplification. DAG size of input: 30 DAG size of output 29 [2018-04-05 16:14:00,890 WARN L151 SmtUtils]: Spent 147ms on a formula simplification. DAG size of input: 29 DAG size of output 28 [2018-04-05 16:14:01,467 WARN L151 SmtUtils]: Spent 252ms on a formula simplification. DAG size of input: 30 DAG size of output 29 [2018-04-05 16:14:02,255 WARN L151 SmtUtils]: Spent 154ms on a formula simplification. DAG size of input: 29 DAG size of output 28 [2018-04-05 16:14:02,758 WARN L151 SmtUtils]: Spent 136ms on a formula simplification. DAG size of input: 30 DAG size of output 29 [2018-04-05 16:14:04,129 WARN L151 SmtUtils]: Spent 506ms on a formula simplification. DAG size of input: 85 DAG size of output 70 [2018-04-05 16:14:04,912 WARN L151 SmtUtils]: Spent 465ms on a formula simplification. DAG size of input: 74 DAG size of output 62 [2018-04-05 16:14:05,556 WARN L151 SmtUtils]: Spent 461ms on a formula simplification. DAG size of input: 70 DAG size of output 58 [2018-04-05 16:14:06,277 WARN L151 SmtUtils]: Spent 443ms on a formula simplification. DAG size of input: 70 DAG size of output 58 [2018-04-05 16:14:07,834 WARN L151 SmtUtils]: Spent 616ms on a formula simplification. DAG size of input: 66 DAG size of output 56 [2018-04-05 16:14:08,382 WARN L151 SmtUtils]: Spent 320ms on a formula simplification. DAG size of input: 62 DAG size of output 52 [2018-04-05 16:14:08,912 WARN L151 SmtUtils]: Spent 322ms on a formula simplification. DAG size of input: 62 DAG size of output 52 [2018-04-05 16:14:09,809 WARN L151 SmtUtils]: Spent 577ms on a formula simplification. DAG size of input: 58 DAG size of output 50 [2018-04-05 16:14:10,762 WARN L151 SmtUtils]: Spent 583ms on a formula simplification. DAG size of input: 54 DAG size of output 46 [2018-04-05 16:14:11,262 WARN L151 SmtUtils]: Spent 299ms on a formula simplification. DAG size of input: 54 DAG size of output 46 [2018-04-05 16:14:12,043 WARN L151 SmtUtils]: Spent 490ms on a formula simplification. DAG size of input: 50 DAG size of output 44 [2018-04-05 16:14:12,728 WARN L151 SmtUtils]: Spent 396ms on a formula simplification. DAG size of input: 46 DAG size of output 40 [2018-04-05 16:14:13,200 WARN L151 SmtUtils]: Spent 267ms on a formula simplification. DAG size of input: 46 DAG size of output 40 [2018-04-05 16:14:13,831 WARN L151 SmtUtils]: Spent 309ms on a formula simplification. DAG size of input: 42 DAG size of output 38 [2018-04-05 16:14:14,485 WARN L151 SmtUtils]: Spent 293ms on a formula simplification. DAG size of input: 38 DAG size of output 34 [2018-04-05 16:14:15,151 WARN L151 SmtUtils]: Spent 344ms on a formula simplification. DAG size of input: 38 DAG size of output 34 [2018-04-05 16:14:15,724 WARN L151 SmtUtils]: Spent 269ms on a formula simplification. DAG size of input: 34 DAG size of output 32 [2018-04-05 16:14:16,086 WARN L151 SmtUtils]: Spent 135ms on a formula simplification. DAG size of input: 30 DAG size of output 28 [2018-04-05 16:14:16,452 WARN L151 SmtUtils]: Spent 134ms on a formula simplification. DAG size of input: 30 DAG size of output 28 [2018-04-05 16:14:17,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 16:14:17,102 INFO L93 Difference]: Finished difference Result 199 states and 208 transitions. [2018-04-05 16:14:17,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2018-04-05 16:14:17,103 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 104 [2018-04-05 16:14:17,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 16:14:17,104 INFO L225 Difference]: With dead ends: 199 [2018-04-05 16:14:17,105 INFO L226 Difference]: Without dead ends: 198 [2018-04-05 16:14:17,109 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2601 ImplicationChecksByTransitivity, 29.4s TimeCoverageRelationStatistics Valid=1519, Invalid=9401, Unknown=0, NotChecked=0, Total=10920 [2018-04-05 16:14:17,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2018-04-05 16:14:17,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 195. [2018-04-05 16:14:17,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2018-04-05 16:14:17,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 197 transitions. [2018-04-05 16:14:17,208 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 197 transitions. Word has length 104 [2018-04-05 16:14:17,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 16:14:17,208 INFO L459 AbstractCegarLoop]: Abstraction has 195 states and 197 transitions. [2018-04-05 16:14:17,208 INFO L460 AbstractCegarLoop]: Interpolant automaton has 52 states. [2018-04-05 16:14:17,209 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 197 transitions. [2018-04-05 16:14:17,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-04-05 16:14:17,211 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 16:14:17,211 INFO L355 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 16:14:17,211 INFO L408 AbstractCegarLoop]: === Iteration 17 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-05 16:14:17,211 INFO L82 PathProgramCache]: Analyzing trace with hash 1796227895, now seen corresponding path program 4 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 16:14:17,247 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 16:14:17,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 16:14:17,391 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 16:14:17,439 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-05 16:14:17,439 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 16:14:17,502 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-05 16:14:17,502 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 16:14:17,539 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:14:17,540 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:19, output treesize:14 [2018-04-05 16:14:17,716 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 16:14:17,726 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-04-05 16:14:17,727 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 16:14:17,821 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 16:14:17,826 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 16:14:17,827 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-05 16:14:17,827 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 16:14:17,886 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:14:17,887 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:15 [2018-04-05 16:14:25,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 1200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 16:14:25,478 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 16:14:38,945 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-04-05 16:14:38,946 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 16:14:38,966 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 15 [2018-04-05 16:14:39,035 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-04-05 16:14:39,036 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-05 16:14:39,050 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-04-05 16:14:39,050 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-05 16:14:39,083 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:14:39,110 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:14:39,111 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:24, output treesize:7 [2018-04-05 16:14:39,804 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 1200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 16:14:39,844 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-05 16:14:39,845 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 42] total 83 [2018-04-05 16:14:39,845 INFO L442 AbstractCegarLoop]: Interpolant automaton has 84 states [2018-04-05 16:14:39,846 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2018-04-05 16:14:39,847 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=969, Invalid=6003, Unknown=0, NotChecked=0, Total=6972 [2018-04-05 16:14:39,850 INFO L87 Difference]: Start difference. First operand 195 states and 197 transitions. Second operand 84 states. [2018-04-05 16:14:46,734 WARN L151 SmtUtils]: Spent 121ms on a formula simplification. DAG size of input: 28 DAG size of output 27 [2018-04-05 16:14:47,480 WARN L151 SmtUtils]: Spent 166ms on a formula simplification. DAG size of input: 29 DAG size of output 28 [2018-04-05 16:14:48,490 WARN L151 SmtUtils]: Spent 168ms on a formula simplification. DAG size of input: 29 DAG size of output 28 [2018-04-05 16:14:49,200 WARN L151 SmtUtils]: Spent 169ms on a formula simplification. DAG size of input: 30 DAG size of output 29 [2018-04-05 16:14:50,259 WARN L151 SmtUtils]: Spent 185ms on a formula simplification. DAG size of input: 29 DAG size of output 28 [2018-04-05 16:14:51,001 WARN L151 SmtUtils]: Spent 155ms on a formula simplification. DAG size of input: 30 DAG size of output 29 [2018-04-05 16:14:51,934 WARN L151 SmtUtils]: Spent 129ms on a formula simplification. DAG size of input: 29 DAG size of output 28 [2018-04-05 16:14:52,662 WARN L151 SmtUtils]: Spent 141ms on a formula simplification. DAG size of input: 30 DAG size of output 29 [2018-04-05 16:14:53,640 WARN L151 SmtUtils]: Spent 142ms on a formula simplification. DAG size of input: 29 DAG size of output 28 [2018-04-05 16:14:54,324 WARN L151 SmtUtils]: Spent 130ms on a formula simplification. DAG size of input: 30 DAG size of output 29 [2018-04-05 16:14:55,274 WARN L151 SmtUtils]: Spent 146ms on a formula simplification. DAG size of input: 29 DAG size of output 28 [2018-04-05 16:14:55,918 WARN L151 SmtUtils]: Spent 138ms on a formula simplification. DAG size of input: 30 DAG size of output 29 [2018-04-05 16:14:56,845 WARN L151 SmtUtils]: Spent 142ms on a formula simplification. DAG size of input: 29 DAG size of output 28 [2018-04-05 16:14:57,516 WARN L151 SmtUtils]: Spent 140ms on a formula simplification. DAG size of input: 30 DAG size of output 29 [2018-04-05 16:14:58,471 WARN L151 SmtUtils]: Spent 160ms on a formula simplification. DAG size of input: 29 DAG size of output 28 [2018-04-05 16:14:59,173 WARN L151 SmtUtils]: Spent 154ms on a formula simplification. DAG size of input: 30 DAG size of output 29 [2018-04-05 16:15:00,193 WARN L151 SmtUtils]: Spent 155ms on a formula simplification. DAG size of input: 29 DAG size of output 28 [2018-04-05 16:15:00,871 WARN L151 SmtUtils]: Spent 148ms on a formula simplification. DAG size of input: 30 DAG size of output 29 [2018-04-05 16:15:01,815 WARN L151 SmtUtils]: Spent 145ms on a formula simplification. DAG size of input: 29 DAG size of output 28 [2018-04-05 16:15:02,466 WARN L151 SmtUtils]: Spent 152ms on a formula simplification. DAG size of input: 30 DAG size of output 29 [2018-04-05 16:15:03,534 WARN L151 SmtUtils]: Spent 196ms on a formula simplification. DAG size of input: 29 DAG size of output 28 [2018-04-05 16:15:04,271 WARN L151 SmtUtils]: Spent 152ms on a formula simplification. DAG size of input: 30 DAG size of output 29 [2018-04-05 16:15:05,592 WARN L151 SmtUtils]: Spent 525ms on a formula simplification. DAG size of input: 29 DAG size of output 28 [2018-04-05 16:15:06,254 WARN L151 SmtUtils]: Spent 144ms on a formula simplification. DAG size of input: 30 DAG size of output 29 [2018-04-05 16:15:07,212 WARN L151 SmtUtils]: Spent 158ms on a formula simplification. DAG size of input: 29 DAG size of output 28 [2018-04-05 16:15:07,886 WARN L151 SmtUtils]: Spent 156ms on a formula simplification. DAG size of input: 30 DAG size of output 29 [2018-04-05 16:15:08,937 WARN L151 SmtUtils]: Spent 171ms on a formula simplification. DAG size of input: 29 DAG size of output 28 [2018-04-05 16:15:09,814 WARN L151 SmtUtils]: Spent 182ms on a formula simplification. DAG size of input: 30 DAG size of output 29 [2018-04-05 16:15:12,866 WARN L151 SmtUtils]: Spent 1479ms on a formula simplification. DAG size of input: 149 DAG size of output 118 [2018-04-05 16:15:14,256 WARN L151 SmtUtils]: Spent 846ms on a formula simplification. DAG size of input: 138 DAG size of output 110 [2018-04-05 16:15:15,514 WARN L151 SmtUtils]: Spent 899ms on a formula simplification. DAG size of input: 134 DAG size of output 106 [2018-04-05 16:15:16,730 WARN L151 SmtUtils]: Spent 848ms on a formula simplification. DAG size of input: 134 DAG size of output 106 [2018-04-05 16:15:17,938 WARN L151 SmtUtils]: Spent 861ms on a formula simplification. DAG size of input: 130 DAG size of output 104 [2018-04-05 16:15:19,109 WARN L151 SmtUtils]: Spent 814ms on a formula simplification. DAG size of input: 126 DAG size of output 100 [2018-04-05 16:15:20,471 WARN L151 SmtUtils]: Spent 941ms on a formula simplification. DAG size of input: 126 DAG size of output 100 [2018-04-05 16:15:21,737 WARN L151 SmtUtils]: Spent 820ms on a formula simplification. DAG size of input: 122 DAG size of output 98 [2018-04-05 16:15:22,817 WARN L151 SmtUtils]: Spent 720ms on a formula simplification. DAG size of input: 118 DAG size of output 94 [2018-04-05 16:15:23,948 WARN L151 SmtUtils]: Spent 815ms on a formula simplification. DAG size of input: 118 DAG size of output 94 [2018-04-05 16:15:25,428 WARN L151 SmtUtils]: Spent 685ms on a formula simplification. DAG size of input: 114 DAG size of output 92 [2018-04-05 16:15:26,733 WARN L151 SmtUtils]: Spent 794ms on a formula simplification. DAG size of input: 110 DAG size of output 88 [2018-04-05 16:15:28,341 WARN L151 SmtUtils]: Spent 1196ms on a formula simplification. DAG size of input: 110 DAG size of output 88 [2018-04-05 16:15:29,943 WARN L151 SmtUtils]: Spent 1072ms on a formula simplification. DAG size of input: 106 DAG size of output 86 [2018-04-05 16:15:31,129 WARN L151 SmtUtils]: Spent 708ms on a formula simplification. DAG size of input: 102 DAG size of output 82 [2018-04-05 16:15:32,303 WARN L151 SmtUtils]: Spent 591ms on a formula simplification. DAG size of input: 102 DAG size of output 82 [2018-04-05 16:15:33,176 WARN L151 SmtUtils]: Spent 574ms on a formula simplification. DAG size of input: 98 DAG size of output 80 [2018-04-05 16:15:34,068 WARN L151 SmtUtils]: Spent 513ms on a formula simplification. DAG size of input: 94 DAG size of output 76 [2018-04-05 16:15:35,030 WARN L151 SmtUtils]: Spent 594ms on a formula simplification. DAG size of input: 94 DAG size of output 76 [2018-04-05 16:15:35,978 WARN L151 SmtUtils]: Spent 599ms on a formula simplification. DAG size of input: 90 DAG size of output 74 [2018-04-05 16:15:36,849 WARN L151 SmtUtils]: Spent 532ms on a formula simplification. DAG size of input: 86 DAG size of output 70 [2018-04-05 16:15:37,729 WARN L151 SmtUtils]: Spent 533ms on a formula simplification. DAG size of input: 86 DAG size of output 70 [2018-04-05 16:15:38,566 WARN L151 SmtUtils]: Spent 494ms on a formula simplification. DAG size of input: 82 DAG size of output 68 [2018-04-05 16:15:39,311 WARN L151 SmtUtils]: Spent 415ms on a formula simplification. DAG size of input: 78 DAG size of output 64 [2018-04-05 16:15:40,107 WARN L151 SmtUtils]: Spent 441ms on a formula simplification. DAG size of input: 78 DAG size of output 64 [2018-04-05 16:15:40,872 WARN L151 SmtUtils]: Spent 436ms on a formula simplification. DAG size of input: 74 DAG size of output 62 [2018-04-05 16:15:41,598 WARN L151 SmtUtils]: Spent 371ms on a formula simplification. DAG size of input: 70 DAG size of output 58 [2018-04-05 16:15:42,330 WARN L151 SmtUtils]: Spent 373ms on a formula simplification. DAG size of input: 70 DAG size of output 58 [2018-04-05 16:15:43,064 WARN L151 SmtUtils]: Spent 374ms on a formula simplification. DAG size of input: 66 DAG size of output 56 [2018-04-05 16:15:43,750 WARN L151 SmtUtils]: Spent 348ms on a formula simplification. DAG size of input: 62 DAG size of output 52 [2018-04-05 16:15:44,444 WARN L151 SmtUtils]: Spent 340ms on a formula simplification. DAG size of input: 62 DAG size of output 52 [2018-04-05 16:15:45,125 WARN L151 SmtUtils]: Spent 333ms on a formula simplification. DAG size of input: 58 DAG size of output 50 [2018-04-05 16:15:45,758 WARN L151 SmtUtils]: Spent 295ms on a formula simplification. DAG size of input: 54 DAG size of output 46 [2018-04-05 16:15:46,395 WARN L151 SmtUtils]: Spent 295ms on a formula simplification. DAG size of input: 54 DAG size of output 46 [2018-04-05 16:15:47,034 WARN L151 SmtUtils]: Spent 272ms on a formula simplification. DAG size of input: 50 DAG size of output 44 [2018-04-05 16:15:47,628 WARN L151 SmtUtils]: Spent 248ms on a formula simplification. DAG size of input: 46 DAG size of output 40 [2018-04-05 16:15:48,295 WARN L151 SmtUtils]: Spent 250ms on a formula simplification. DAG size of input: 46 DAG size of output 40 [2018-04-05 16:15:48,834 WARN L151 SmtUtils]: Spent 219ms on a formula simplification. DAG size of input: 42 DAG size of output 38 [2018-04-05 16:15:49,323 WARN L151 SmtUtils]: Spent 179ms on a formula simplification. DAG size of input: 38 DAG size of output 34 [2018-04-05 16:15:49,901 WARN L151 SmtUtils]: Spent 184ms on a formula simplification. DAG size of input: 38 DAG size of output 34 [2018-04-05 16:15:50,430 WARN L151 SmtUtils]: Spent 172ms on a formula simplification. DAG size of input: 34 DAG size of output 32 [2018-04-05 16:15:50,857 WARN L151 SmtUtils]: Spent 115ms on a formula simplification. DAG size of input: 30 DAG size of output 28 [2018-04-05 16:15:51,704 WARN L148 SmtUtils]: Spent 165ms on a formula simplification that was a NOOP. DAG size: 26 [2018-04-05 16:15:52,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 16:15:52,280 INFO L93 Difference]: Finished difference Result 375 states and 392 transitions. [2018-04-05 16:15:52,281 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2018-04-05 16:15:52,281 INFO L78 Accepts]: Start accepts. Automaton has 84 states. Word has length 192 [2018-04-05 16:15:52,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 16:15:52,284 INFO L225 Difference]: With dead ends: 375 [2018-04-05 16:15:52,288 INFO L226 Difference]: Without dead ends: 374 [2018-04-05 16:15:52,305 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 484 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 183 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9453 ImplicationChecksByTransitivity, 76.9s TimeCoverageRelationStatistics Valid=5191, Invalid=28849, Unknown=0, NotChecked=0, Total=34040 [2018-04-05 16:15:52,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2018-04-05 16:15:52,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 371. [2018-04-05 16:15:52,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 371 states. [2018-04-05 16:15:52,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 373 transitions. [2018-04-05 16:15:52,397 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 373 transitions. Word has length 192 [2018-04-05 16:15:52,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 16:15:52,397 INFO L459 AbstractCegarLoop]: Abstraction has 371 states and 373 transitions. [2018-04-05 16:15:52,397 INFO L460 AbstractCegarLoop]: Interpolant automaton has 84 states. [2018-04-05 16:15:52,397 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 373 transitions. [2018-04-05 16:15:52,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2018-04-05 16:15:52,424 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 16:15:52,424 INFO L355 BasicCegarLoop]: trace histogram [32, 32, 31, 31, 31, 31, 31, 31, 31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 16:15:52,424 INFO L408 AbstractCegarLoop]: === Iteration 18 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-05 16:15:52,425 INFO L82 PathProgramCache]: Analyzing trace with hash 37849143, now seen corresponding path program 5 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 16:15:52,463 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 16:15:52,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 16:15:52,707 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 16:15:52,739 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-05 16:15:52,740 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 16:15:52,781 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-05 16:15:52,782 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 16:15:52,837 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:15:52,838 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:19, output treesize:14 [2018-04-05 16:15:52,933 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 16:15:52,942 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-04-05 16:15:52,942 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 16:15:53,005 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 16:15:53,010 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 16:15:53,011 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-05 16:15:53,011 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 16:15:53,041 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:15:53,042 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:15 [2018-04-05 16:16:02,929 WARN L148 SmtUtils]: Spent 153ms on a formula simplification that was a NOOP. DAG size: 16 [2018-04-05 16:16:03,747 WARN L148 SmtUtils]: Spent 112ms on a formula simplification that was a NOOP. DAG size: 15 [2018-04-05 16:16:12,361 INFO L134 CoverageAnalysis]: Checked inductivity of 5208 backedges. 0 proven. 5208 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 16:16:12,396 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 16:16:55,967 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-04-05 16:16:55,968 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 16:16:55,993 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 15 [2018-04-05 16:16:56,078 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-04-05 16:16:56,120 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-05 16:16:56,125 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-04-05 16:16:56,125 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-05 16:16:56,175 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:16:56,232 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:16:56,232 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:24, output treesize:7 [2018-04-05 16:16:57,911 INFO L134 CoverageAnalysis]: Checked inductivity of 5208 backedges. 0 proven. 5208 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 16:16:57,983 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-05 16:16:57,983 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [74, 74] total 147 [2018-04-05 16:16:57,990 INFO L442 AbstractCegarLoop]: Interpolant automaton has 148 states [2018-04-05 16:16:57,991 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 148 interpolants. [2018-04-05 16:16:57,992 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3417, Invalid=18339, Unknown=0, NotChecked=0, Total=21756 [2018-04-05 16:16:57,993 INFO L87 Difference]: Start difference. First operand 371 states and 373 transitions. Second operand 148 states. [2018-04-05 16:17:10,597 WARN L151 SmtUtils]: Spent 155ms on a formula simplification. DAG size of input: 28 DAG size of output 27 [2018-04-05 16:17:12,084 WARN L151 SmtUtils]: Spent 523ms on a formula simplification. DAG size of input: 29 DAG size of output 28 [2018-04-05 16:17:14,213 WARN L151 SmtUtils]: Spent 379ms on a formula simplification. DAG size of input: 29 DAG size of output 28 [2018-04-05 16:17:15,313 WARN L151 SmtUtils]: Spent 164ms on a formula simplification. DAG size of input: 30 DAG size of output 29 [2018-04-05 16:17:17,374 WARN L151 SmtUtils]: Spent 248ms on a formula simplification. DAG size of input: 29 DAG size of output 28 [2018-04-05 16:17:18,473 WARN L151 SmtUtils]: Spent 148ms on a formula simplification. DAG size of input: 30 DAG size of output 29 [2018-04-05 16:17:20,418 WARN L151 SmtUtils]: Spent 194ms on a formula simplification. DAG size of input: 29 DAG size of output 28 [2018-04-05 16:17:21,780 WARN L151 SmtUtils]: Spent 158ms on a formula simplification. DAG size of input: 30 DAG size of output 29 [2018-04-05 16:17:23,431 WARN L151 SmtUtils]: Spent 228ms on a formula simplification. DAG size of input: 29 DAG size of output 28 [2018-04-05 16:17:24,576 WARN L151 SmtUtils]: Spent 144ms on a formula simplification. DAG size of input: 30 DAG size of output 29 [2018-04-05 16:17:25,427 WARN L148 SmtUtils]: Spent 127ms on a formula simplification that was a NOOP. DAG size: 25 [2018-04-05 16:17:26,127 WARN L151 SmtUtils]: Spent 148ms on a formula simplification. DAG size of input: 29 DAG size of output 28 [2018-04-05 16:17:27,220 WARN L151 SmtUtils]: Spent 195ms on a formula simplification. DAG size of input: 30 DAG size of output 29 [2018-04-05 16:17:28,702 WARN L151 SmtUtils]: Spent 156ms on a formula simplification. DAG size of input: 29 DAG size of output 28 [2018-04-05 16:17:29,857 WARN L151 SmtUtils]: Spent 153ms on a formula simplification. DAG size of input: 30 DAG size of output 29 [2018-04-05 16:17:30,874 WARN L148 SmtUtils]: Spent 223ms on a formula simplification that was a NOOP. DAG size: 25 [2018-04-05 16:17:32,680 WARN L151 SmtUtils]: Spent 734ms on a formula simplification. DAG size of input: 29 DAG size of output 28 [2018-04-05 16:17:34,228 WARN L151 SmtUtils]: Spent 212ms on a formula simplification. DAG size of input: 30 DAG size of output 29 [2018-04-05 16:17:35,995 WARN L151 SmtUtils]: Spent 147ms on a formula simplification. DAG size of input: 29 DAG size of output 28 [2018-04-05 16:17:37,146 WARN L151 SmtUtils]: Spent 186ms on a formula simplification. DAG size of input: 30 DAG size of output 29 [2018-04-05 16:17:39,344 WARN L151 SmtUtils]: Spent 462ms on a formula simplification. DAG size of input: 29 DAG size of output 28 [2018-04-05 16:17:40,439 WARN L151 SmtUtils]: Spent 150ms on a formula simplification. DAG size of input: 30 DAG size of output 29 [2018-04-05 16:17:42,008 WARN L151 SmtUtils]: Spent 154ms on a formula simplification. DAG size of input: 29 DAG size of output 28 [2018-04-05 16:17:43,003 WARN L151 SmtUtils]: Spent 144ms on a formula simplification. DAG size of input: 30 DAG size of output 29 [2018-04-05 16:17:44,594 WARN L151 SmtUtils]: Spent 182ms on a formula simplification. DAG size of input: 29 DAG size of output 28 [2018-04-05 16:17:46,212 WARN L151 SmtUtils]: Spent 304ms on a formula simplification. DAG size of input: 30 DAG size of output 29 [2018-04-05 16:17:47,719 WARN L151 SmtUtils]: Spent 187ms on a formula simplification. DAG size of input: 29 DAG size of output 28 [2018-04-05 16:17:48,749 WARN L151 SmtUtils]: Spent 141ms on a formula simplification. DAG size of input: 30 DAG size of output 29 [2018-04-05 16:17:50,447 WARN L151 SmtUtils]: Spent 239ms on a formula simplification. DAG size of input: 29 DAG size of output 28 [2018-04-05 16:17:52,007 WARN L151 SmtUtils]: Spent 208ms on a formula simplification. DAG size of input: 30 DAG size of output 29 [2018-04-05 16:17:52,960 WARN L148 SmtUtils]: Spent 111ms on a formula simplification that was a NOOP. DAG size: 25 [2018-04-05 16:17:53,800 WARN L151 SmtUtils]: Spent 221ms on a formula simplification. DAG size of input: 29 DAG size of output 28 [2018-04-05 16:17:55,201 WARN L151 SmtUtils]: Spent 421ms on a formula simplification. DAG size of input: 30 DAG size of output 29 [2018-04-05 16:17:56,611 WARN L148 SmtUtils]: Spent 102ms on a formula simplification that was a NOOP. DAG size: 25 [2018-04-05 16:17:57,607 WARN L151 SmtUtils]: Spent 172ms on a formula simplification. DAG size of input: 29 DAG size of output 28 [2018-04-05 16:17:58,811 WARN L151 SmtUtils]: Spent 133ms on a formula simplification. DAG size of input: 30 DAG size of output 29 [2018-04-05 16:18:00,322 WARN L151 SmtUtils]: Spent 157ms on a formula simplification. DAG size of input: 29 DAG size of output 28 [2018-04-05 16:18:01,491 WARN L151 SmtUtils]: Spent 159ms on a formula simplification. DAG size of input: 30 DAG size of output 29 [2018-04-05 16:18:02,977 WARN L151 SmtUtils]: Spent 136ms on a formula simplification. DAG size of input: 29 DAG size of output 28 [2018-04-05 16:18:04,083 WARN L151 SmtUtils]: Spent 176ms on a formula simplification. DAG size of input: 30 DAG size of output 29 [2018-04-05 16:18:05,225 WARN L148 SmtUtils]: Spent 287ms on a formula simplification that was a NOOP. DAG size: 25 [2018-04-05 16:18:05,876 WARN L151 SmtUtils]: Spent 127ms on a formula simplification. DAG size of input: 29 DAG size of output 28 [2018-04-05 16:18:06,962 WARN L151 SmtUtils]: Spent 163ms on a formula simplification. DAG size of input: 30 DAG size of output 29 [2018-04-05 16:18:08,321 WARN L151 SmtUtils]: Spent 130ms on a formula simplification. DAG size of input: 29 DAG size of output 28 [2018-04-05 16:18:09,228 WARN L151 SmtUtils]: Spent 147ms on a formula simplification. DAG size of input: 30 DAG size of output 29 [2018-04-05 16:18:10,468 WARN L151 SmtUtils]: Spent 126ms on a formula simplification. DAG size of input: 29 DAG size of output 28 [2018-04-05 16:18:11,479 WARN L151 SmtUtils]: Spent 137ms on a formula simplification. DAG size of input: 30 DAG size of output 29 [2018-04-05 16:18:12,932 WARN L151 SmtUtils]: Spent 139ms on a formula simplification. DAG size of input: 29 DAG size of output 28 [2018-04-05 16:18:13,868 WARN L151 SmtUtils]: Spent 154ms on a formula simplification. DAG size of input: 30 DAG size of output 29 [2018-04-05 16:18:15,218 WARN L151 SmtUtils]: Spent 132ms on a formula simplification. DAG size of input: 29 DAG size of output 28 [2018-04-05 16:18:16,115 WARN L151 SmtUtils]: Spent 138ms on a formula simplification. DAG size of input: 30 DAG size of output 29 [2018-04-05 16:18:17,577 WARN L151 SmtUtils]: Spent 155ms on a formula simplification. DAG size of input: 29 DAG size of output 28 [2018-04-05 16:18:18,665 WARN L151 SmtUtils]: Spent 149ms on a formula simplification. DAG size of input: 30 DAG size of output 29 [2018-04-05 16:18:20,352 WARN L151 SmtUtils]: Spent 220ms on a formula simplification. DAG size of input: 29 DAG size of output 28