java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv --cacsl2boogietranslator.bitprecise.bitfields false -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf -i ../../../trunk/examples/svcomp/array-memsafety/openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-11 10:01:44,469 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 10:01:44,471 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 10:01:44,484 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 10:01:44,484 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 10:01:44,485 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 10:01:44,486 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 10:01:44,487 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 10:01:44,489 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 10:01:44,490 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 10:01:44,490 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 10:01:44,491 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 10:01:44,491 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 10:01:44,492 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 10:01:44,493 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 10:01:44,494 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 10:01:44,496 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 10:01:44,497 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 10:01:44,498 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 10:01:44,499 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 10:01:44,500 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-11 10:01:44,501 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-11 10:01:44,501 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-11 10:01:44,502 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-11 10:01:44,502 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-11 10:01:44,503 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-11 10:01:44,503 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-11 10:01:44,504 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-11 10:01:44,504 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-11 10:01:44,505 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-11 10:01:44,505 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-11 10:01:44,505 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf [2018-04-11 10:01:44,525 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 10:01:44,525 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 10:01:44,526 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-11 10:01:44,526 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-11 10:01:44,527 INFO L133 SettingsManager]: * Use SBE=true [2018-04-11 10:01:44,527 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 10:01:44,527 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 10:01:44,527 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 10:01:44,527 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 10:01:44,527 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 10:01:44,527 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 10:01:44,528 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 10:01:44,528 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-11 10:01:44,528 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 10:01:44,528 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 10:01:44,528 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 10:01:44,528 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-11 10:01:44,528 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-11 10:01:44,529 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 10:01:44,529 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 10:01:44,529 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 10:01:44,529 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-11 10:01:44,529 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-11 10:01:44,529 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-11 10:01:44,557 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 10:01:44,568 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 10:01:44,571 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 10:01:44,573 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 10:01:44,573 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 10:01:44,573 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:44,870 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG58d60fba6 [2018-04-11 10:01:45,026 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 10:01:45,026 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 10:01:45,027 INFO L168 CDTParser]: Scanning openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,033 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 10:01:45,033 INFO L215 ultiparseSymbolTable]: [2018-04-11 10:01:45,034 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 10:01:45,034 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____bswap_64 ('__bswap_64') in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,034 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,034 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____bswap_32 ('__bswap_32') in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,034 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen ('cstrlen') in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,034 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 10:01:45,034 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____off_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,034 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____quad_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,035 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____gid_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,035 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____ino64_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,035 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__u_long in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,035 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_barrier_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,035 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__clock_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,035 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____ino_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,035 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____uint16_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,035 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,035 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____pid_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,035 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__fd_mask in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,035 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____u_quad_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,035 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____fsid_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,035 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__ushort in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,035 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_spinlock_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,035 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__quad_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,035 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____pthread_list_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,035 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_barrierattr_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,035 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__blkcnt_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,036 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____clockid_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,036 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____u_long in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,036 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____sigset_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,036 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__sigset_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,036 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____u_int in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,036 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____syscall_slong_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,036 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____int16_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,036 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__dev_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,036 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____blkcnt_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,036 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__u_char in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,036 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__u_int16_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,036 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_cond_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,036 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____dev_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,036 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____fsblkcnt_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,037 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____blksize_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,037 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__blksize_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,037 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____int64_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,037 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_key_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,037 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____caddr_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,037 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__fd_set in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,037 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____qaddr_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,037 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____rlim64_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,037 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____useconds_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,037 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____uint8_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,038 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____key_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,038 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__loff_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,038 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__u_quad_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,038 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__mode_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,038 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__ulong in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,038 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____int8_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,038 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____clock_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,038 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__suseconds_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,038 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____daddr_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,038 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____u_short in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,038 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__int64_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,038 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____WAIT_STATUS in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,039 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_condattr_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,039 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__daddr_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,039 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____loff_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,039 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__fsid_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,039 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__int8_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,039 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__fsfilcnt_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,039 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____ssize_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,039 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__pid_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,039 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__int32_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,039 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____timer_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,039 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____fsfilcnt64_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,039 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____socklen_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,040 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____mode_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,040 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____blkcnt64_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,040 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__ldiv_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,040 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____fsfilcnt_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,040 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_mutexattr_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,040 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__u_short in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,040 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_mutex_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,040 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__ino_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,040 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__u_int64_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,040 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____time_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,040 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__gid_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,041 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__caddr_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,041 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____rlim_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,041 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__register_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,041 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_once_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,041 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____uint32_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,041 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__div_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,041 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____intptr_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,041 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__time_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,041 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_rwlock_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,041 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__size_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,041 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__off_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,041 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__int16_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,041 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____fd_mask in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,042 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____syscall_ulong_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,042 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____id_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,042 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____sig_atomic_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,042 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_attr_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,042 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__wchar_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,042 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__uid_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,042 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__lldiv_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,042 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__id_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,042 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____fsword_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,042 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____uint64_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,042 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____off64_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,042 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____suseconds_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,042 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__uint in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,042 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____fsblkcnt64_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,042 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____u_char in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,043 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__nlink_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,043 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____uid_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,043 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__ssize_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,043 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__clockid_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,043 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__timer_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,043 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____nlink_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,043 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__u_int in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,043 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__key_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,043 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__fsblkcnt_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,043 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__u_int32_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,043 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____int32_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,043 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,043 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__u_int8_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,056 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG58d60fba6 [2018-04-11 10:01:45,059 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 10:01:45,060 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 10:01:45,061 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 10:01:45,061 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 10:01:45,064 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 10:01:45,065 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 10:01:45" (1/1) ... [2018-04-11 10:01:45,067 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75405684 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:01:45, skipping insertion in model container [2018-04-11 10:01:45,067 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 10:01:45" (1/1) ... [2018-04-11 10:01:45,077 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 10:01:45,097 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 10:01:45,210 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 10:01:45,243 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 10:01:45,248 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-11 10:01:45,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:01:45 WrapperNode [2018-04-11 10:01:45,278 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 10:01:45,278 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 10:01:45,278 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 10:01:45,278 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 10:01:45,286 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:01:45" (1/1) ... [2018-04-11 10:01:45,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:01:45" (1/1) ... [2018-04-11 10:01:45,296 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:01:45" (1/1) ... [2018-04-11 10:01:45,296 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:01:45" (1/1) ... [2018-04-11 10:01:45,303 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:01:45" (1/1) ... [2018-04-11 10:01:45,306 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:01:45" (1/1) ... [2018-04-11 10:01:45,308 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:01:45" (1/1) ... [2018-04-11 10:01:45,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 10:01:45,312 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 10:01:45,312 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 10:01:45,312 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 10:01:45,313 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:01:45" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 10:01:45,403 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 10:01:45,403 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 10:01:45,403 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-11 10:01:45,403 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-11 10:01:45,403 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen [2018-04-11 10:01:45,403 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 10:01:45,404 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-11 10:01:45,404 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-11 10:01:45,404 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 10:01:45,404 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 10:01:45,404 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 10:01:45,404 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 10:01:45,404 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 10:01:45,404 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 10:01:45,404 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 10:01:45,404 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 10:01:45,405 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 10:01:45,405 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 10:01:45,405 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 10:01:45,405 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 10:01:45,405 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 10:01:45,405 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 10:01:45,405 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 10:01:45,405 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 10:01:45,405 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 10:01:45,405 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 10:01:45,406 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 10:01:45,406 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 10:01:45,406 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 10:01:45,406 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 10:01:45,406 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 10:01:45,406 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 10:01:45,406 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 10:01:45,406 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 10:01:45,406 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 10:01:45,407 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 10:01:45,407 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 10:01:45,407 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 10:01:45,407 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 10:01:45,407 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 10:01:45,407 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 10:01:45,407 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 10:01:45,407 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 10:01:45,407 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 10:01:45,407 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 10:01:45,408 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 10:01:45,408 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 10:01:45,408 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 10:01:45,408 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 10:01:45,408 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 10:01:45,408 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 10:01:45,408 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 10:01:45,408 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 10:01:45,408 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 10:01:45,408 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 10:01:45,409 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 10:01:45,409 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 10:01:45,409 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 10:01:45,409 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 10:01:45,409 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 10:01:45,409 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 10:01:45,409 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 10:01:45,409 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 10:01:45,409 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 10:01:45,409 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 10:01:45,409 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 10:01:45,410 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 10:01:45,410 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 10:01:45,410 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 10:01:45,410 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-11 10:01:45,410 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 10:01:45,410 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 10:01:45,410 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 10:01:45,410 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 10:01:45,410 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 10:01:45,410 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 10:01:45,410 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 10:01:45,410 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 10:01:45,410 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 10:01:45,410 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 10:01:45,410 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 10:01:45,410 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 10:01:45,411 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 10:01:45,411 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 10:01:45,411 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 10:01:45,411 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 10:01:45,411 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 10:01:45,411 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 10:01:45,411 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 10:01:45,411 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 10:01:45,411 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 10:01:45,411 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 10:01:45,411 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 10:01:45,411 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 10:01:45,411 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 10:01:45,411 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 10:01:45,411 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 10:01:45,411 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 10:01:45,411 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 10:01:45,412 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 10:01:45,412 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 10:01:45,412 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 10:01:45,412 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 10:01:45,412 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 10:01:45,412 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 10:01:45,412 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 10:01:45,412 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 10:01:45,412 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 10:01:45,412 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-11 10:01:45,413 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen [2018-04-11 10:01:45,413 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-11 10:01:45,413 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 10:01:45,413 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 10:01:45,413 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-11 10:01:45,413 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 10:01:45,413 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 10:01:45,413 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 10:01:45,413 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-11 10:01:45,664 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 10:01:45,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 10:01:45 BoogieIcfgContainer [2018-04-11 10:01:45,665 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 10:01:45,665 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 10:01:45,665 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 10:01:45,668 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 10:01:45,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 10:01:45" (1/3) ... [2018-04-11 10:01:45,668 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f13eb17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 10:01:45, skipping insertion in model container [2018-04-11 10:01:45,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:01:45" (2/3) ... [2018-04-11 10:01:45,669 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f13eb17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 10:01:45, skipping insertion in model container [2018-04-11 10:01:45,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 10:01:45" (3/3) ... [2018-04-11 10:01:45,670 INFO L107 eAbstractionObserver]: Analyzing ICFG openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:01:45,678 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-11 10:01:45,683 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2018-04-11 10:01:45,711 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 10:01:45,711 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 10:01:45,711 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-11 10:01:45,711 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-11 10:01:45,711 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-11 10:01:45,711 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 10:01:45,711 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 10:01:45,711 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 10:01:45,711 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 10:01:45,712 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 10:01:45,718 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2018-04-11 10:01:45,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-04-11 10:01:45,723 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 10:01:45,724 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 10:01:45,724 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlenErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 10:01:45,726 INFO L82 PathProgramCache]: Analyzing trace with hash 1666854936, now seen corresponding path program 1 times [2018-04-11 10:01:45,727 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 10:01:45,727 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 10:01:45,754 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:01:45,754 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 10:01:45,754 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:01:45,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 10:01:45,783 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 10:01:45,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 10:01:45,832 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 10:01:45,832 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 10:01:45,833 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 10:01:45,844 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 10:01:45,844 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 10:01:45,845 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 4 states. [2018-04-11 10:01:45,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 10:01:45,897 INFO L93 Difference]: Finished difference Result 30 states and 31 transitions. [2018-04-11 10:01:45,897 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 10:01:45,898 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2018-04-11 10:01:45,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 10:01:45,903 INFO L225 Difference]: With dead ends: 30 [2018-04-11 10:01:45,903 INFO L226 Difference]: Without dead ends: 27 [2018-04-11 10:01:45,904 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 10:01:45,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-04-11 10:01:45,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2018-04-11 10:01:45,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-04-11 10:01:45,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2018-04-11 10:01:45,923 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 10 [2018-04-11 10:01:45,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 10:01:45,923 INFO L459 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2018-04-11 10:01:45,923 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 10:01:45,923 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2018-04-11 10:01:45,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-04-11 10:01:45,923 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 10:01:45,923 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 10:01:45,923 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlenErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 10:01:45,923 INFO L82 PathProgramCache]: Analyzing trace with hash 1666854937, now seen corresponding path program 1 times [2018-04-11 10:01:45,924 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 10:01:45,924 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 10:01:45,924 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:01:45,924 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 10:01:45,924 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:01:45,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 10:01:45,934 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 10:01:45,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 10:01:45,986 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 10:01:45,986 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 10:01:45,987 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 10:01:45,987 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 10:01:45,987 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 10:01:45,988 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand 5 states. [2018-04-11 10:01:46,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 10:01:46,037 INFO L93 Difference]: Finished difference Result 26 states and 27 transitions. [2018-04-11 10:01:46,037 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 10:01:46,037 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2018-04-11 10:01:46,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 10:01:46,038 INFO L225 Difference]: With dead ends: 26 [2018-04-11 10:01:46,038 INFO L226 Difference]: Without dead ends: 26 [2018-04-11 10:01:46,039 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-04-11 10:01:46,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2018-04-11 10:01:46,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2018-04-11 10:01:46,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-04-11 10:01:46,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2018-04-11 10:01:46,041 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 10 [2018-04-11 10:01:46,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 10:01:46,042 INFO L459 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2018-04-11 10:01:46,042 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 10:01:46,042 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2018-04-11 10:01:46,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-11 10:01:46,042 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 10:01:46,042 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 10:01:46,042 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlenErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 10:01:46,042 INFO L82 PathProgramCache]: Analyzing trace with hash -870578270, now seen corresponding path program 1 times [2018-04-11 10:01:46,042 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 10:01:46,043 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 10:01:46,043 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:01:46,043 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 10:01:46,043 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:01:46,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 10:01:46,054 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 10:01:46,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 10:01:46,087 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 10:01:46,088 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 10:01:46,088 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 10:01:46,088 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 10:01:46,088 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 10:01:46,088 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. Second operand 5 states. [2018-04-11 10:01:46,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 10:01:46,112 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2018-04-11 10:01:46,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 10:01:46,113 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-04-11 10:01:46,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 10:01:46,113 INFO L225 Difference]: With dead ends: 25 [2018-04-11 10:01:46,113 INFO L226 Difference]: Without dead ends: 25 [2018-04-11 10:01:46,113 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-11 10:01:46,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-04-11 10:01:46,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2018-04-11 10:01:46,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-04-11 10:01:46,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2018-04-11 10:01:46,115 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 14 [2018-04-11 10:01:46,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 10:01:46,115 INFO L459 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2018-04-11 10:01:46,115 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 10:01:46,115 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2018-04-11 10:01:46,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-11 10:01:46,116 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 10:01:46,116 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 10:01:46,116 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlenErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 10:01:46,116 INFO L82 PathProgramCache]: Analyzing trace with hash -870578269, now seen corresponding path program 1 times [2018-04-11 10:01:46,116 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 10:01:46,116 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 10:01:46,117 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:01:46,117 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 10:01:46,117 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:01:46,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 10:01:46,125 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 10:01:46,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 10:01:46,193 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 10:01:46,193 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-11 10:01:46,194 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-11 10:01:46,194 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-11 10:01:46,194 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-04-11 10:01:46,194 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand 8 states. [2018-04-11 10:01:46,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 10:01:46,273 INFO L93 Difference]: Finished difference Result 32 states and 34 transitions. [2018-04-11 10:01:46,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-11 10:01:46,274 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 14 [2018-04-11 10:01:46,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 10:01:46,277 INFO L225 Difference]: With dead ends: 32 [2018-04-11 10:01:46,277 INFO L226 Difference]: Without dead ends: 32 [2018-04-11 10:01:46,277 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2018-04-11 10:01:46,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-04-11 10:01:46,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 27. [2018-04-11 10:01:46,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-04-11 10:01:46,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2018-04-11 10:01:46,280 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 14 [2018-04-11 10:01:46,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 10:01:46,281 INFO L459 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2018-04-11 10:01:46,281 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-11 10:01:46,281 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2018-04-11 10:01:46,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-11 10:01:46,281 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 10:01:46,282 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 10:01:46,282 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlenErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 10:01:46,282 INFO L82 PathProgramCache]: Analyzing trace with hash -911327578, now seen corresponding path program 1 times [2018-04-11 10:01:46,282 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 10:01:46,282 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 10:01:46,283 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:01:46,283 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 10:01:46,283 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:01:46,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 10:01:46,295 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 10:01:46,379 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 10:01:46,379 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 10:01:46,379 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-04-11 10:01:46,379 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-11 10:01:46,379 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-11 10:01:46,380 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-04-11 10:01:46,380 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand 9 states. [2018-04-11 10:01:46,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 10:01:46,465 INFO L93 Difference]: Finished difference Result 43 states and 43 transitions. [2018-04-11 10:01:46,465 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-11 10:01:46,465 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 18 [2018-04-11 10:01:46,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 10:01:46,466 INFO L225 Difference]: With dead ends: 43 [2018-04-11 10:01:46,466 INFO L226 Difference]: Without dead ends: 43 [2018-04-11 10:01:46,466 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2018-04-11 10:01:46,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-04-11 10:01:46,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 38. [2018-04-11 10:01:46,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-04-11 10:01:46,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 39 transitions. [2018-04-11 10:01:46,468 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 39 transitions. Word has length 18 [2018-04-11 10:01:46,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 10:01:46,469 INFO L459 AbstractCegarLoop]: Abstraction has 38 states and 39 transitions. [2018-04-11 10:01:46,469 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-11 10:01:46,469 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 39 transitions. [2018-04-11 10:01:46,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-11 10:01:46,469 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 10:01:46,469 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 10:01:46,469 INFO L408 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlenErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 10:01:46,469 INFO L82 PathProgramCache]: Analyzing trace with hash -653162140, now seen corresponding path program 1 times [2018-04-11 10:01:46,469 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 10:01:46,470 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 10:01:46,470 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:01:46,470 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 10:01:46,470 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:01:46,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 10:01:46,479 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 10:01:46,635 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 10:01:46,635 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 10:01:46,635 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-11 10:01:46,644 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 10:01:46,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 10:01:46,659 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 10:01:46,684 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 [2018-04-11 10:01:46,691 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 [2018-04-11 10:01:46,691 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 10:01:46,692 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 10:01:46,697 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. [2018-04-11 10:01:46,697 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:21 [2018-04-11 10:01:46,761 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 [2018-04-11 10:01:46,767 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 [2018-04-11 10:01:46,767 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-11 10:01:46,770 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 10:01:46,791 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-11 10:01:46,792 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:34, output treesize:33 [2018-04-11 10:01:46,854 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 10:01:46,871 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 10:01:46,871 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 15 [2018-04-11 10:01:46,871 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-11 10:01:46,871 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-11 10:01:46,872 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2018-04-11 10:01:46,872 INFO L87 Difference]: Start difference. First operand 38 states and 39 transitions. Second operand 16 states. [2018-04-11 10:01:47,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 10:01:47,255 INFO L93 Difference]: Finished difference Result 50 states and 53 transitions. [2018-04-11 10:01:47,255 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-11 10:01:47,255 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 18 [2018-04-11 10:01:47,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 10:01:47,256 INFO L225 Difference]: With dead ends: 50 [2018-04-11 10:01:47,256 INFO L226 Difference]: Without dead ends: 50 [2018-04-11 10:01:47,256 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=96, Invalid=456, Unknown=0, NotChecked=0, Total=552 [2018-04-11 10:01:47,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-04-11 10:01:47,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 42. [2018-04-11 10:01:47,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-04-11 10:01:47,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 44 transitions. [2018-04-11 10:01:47,259 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 44 transitions. Word has length 18 [2018-04-11 10:01:47,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 10:01:47,259 INFO L459 AbstractCegarLoop]: Abstraction has 42 states and 44 transitions. [2018-04-11 10:01:47,259 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-11 10:01:47,259 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2018-04-11 10:01:47,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-11 10:01:47,260 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 10:01:47,260 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 10:01:47,260 INFO L408 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlenErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 10:01:47,260 INFO L82 PathProgramCache]: Analyzing trace with hash -739684335, now seen corresponding path program 1 times [2018-04-11 10:01:47,260 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 10:01:47,260 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 10:01:47,261 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:01:47,261 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 10:01:47,261 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:01:47,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 10:01:47,276 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 10:01:47,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 10:01:47,313 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 10:01:47,313 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 10:01:47,313 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 10:01:47,313 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 10:01:47,313 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 10:01:47,314 INFO L87 Difference]: Start difference. First operand 42 states and 44 transitions. Second operand 4 states. [2018-04-11 10:01:47,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 10:01:47,338 INFO L93 Difference]: Finished difference Result 41 states and 43 transitions. [2018-04-11 10:01:47,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 10:01:47,338 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2018-04-11 10:01:47,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 10:01:47,338 INFO L225 Difference]: With dead ends: 41 [2018-04-11 10:01:47,338 INFO L226 Difference]: Without dead ends: 23 [2018-04-11 10:01:47,338 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 10:01:47,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2018-04-11 10:01:47,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2018-04-11 10:01:47,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-04-11 10:01:47,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2018-04-11 10:01:47,340 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 22 [2018-04-11 10:01:47,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 10:01:47,341 INFO L459 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions. [2018-04-11 10:01:47,341 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 10:01:47,341 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2018-04-11 10:01:47,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-11 10:01:47,341 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 10:01:47,341 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 10:01:47,341 INFO L408 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlenErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 10:01:47,341 INFO L82 PathProgramCache]: Analyzing trace with hash 2023421927, now seen corresponding path program 2 times [2018-04-11 10:01:47,341 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 10:01:47,342 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 10:01:47,342 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:01:47,342 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 10:01:47,342 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:01:47,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 10:01:47,348 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 10:01:47,535 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 10:01:47,535 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 10:01:47,535 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-11 10:01:47,544 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-11 10:01:47,555 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-11 10:01:47,555 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-11 10:01:47,557 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 10:01:47,561 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 [2018-04-11 10:01:47,562 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 10:01:47,564 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 10:01:47,564 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-11 10:01:47,590 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 16 treesize of output 13 [2018-04-11 10:01:47,591 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 13 treesize of output 12 [2018-04-11 10:01:47,593 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 10:01:47,594 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 10:01:47,597 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 10:01:47,597 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:23, output treesize:19 [2018-04-11 10:01:47,692 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 20 treesize of output 16 [2018-04-11 10:01:47,703 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 16 treesize of output 13 [2018-04-11 10:01:47,704 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-11 10:01:47,707 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 10:01:47,717 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-11 10:01:47,718 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:38, output treesize:49 [2018-04-11 10:01:47,761 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 10:01:47,778 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 10:01:47,778 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2018-04-11 10:01:47,778 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-11 10:01:47,779 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-11 10:01:47,779 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2018-04-11 10:01:47,779 INFO L87 Difference]: Start difference. First operand 23 states and 23 transitions. Second operand 18 states. [2018-04-11 10:01:48,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 10:01:48,121 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2018-04-11 10:01:48,121 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-11 10:01:48,121 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 22 [2018-04-11 10:01:48,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 10:01:48,122 INFO L225 Difference]: With dead ends: 24 [2018-04-11 10:01:48,122 INFO L226 Difference]: Without dead ends: 0 [2018-04-11 10:01:48,122 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=133, Invalid=623, Unknown=0, NotChecked=0, Total=756 [2018-04-11 10:01:48,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-11 10:01:48,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-11 10:01:48,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-11 10:01:48,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-11 10:01:48,122 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2018-04-11 10:01:48,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 10:01:48,122 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-11 10:01:48,122 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-11 10:01:48,122 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-11 10:01:48,123 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-11 10:01:48,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.04 10:01:48 BoogieIcfgContainer [2018-04-11 10:01:48,125 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-11 10:01:48,126 INFO L168 Benchmark]: Toolchain (without parser) took 3066.24 ms. Allocated memory was 402.7 MB in the beginning and 699.9 MB in the end (delta: 297.3 MB). Free memory was 334.4 MB in the beginning and 552.9 MB in the end (delta: -218.5 MB). Peak memory consumption was 78.8 MB. Max. memory is 5.3 GB. [2018-04-11 10:01:48,127 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 402.7 MB. Free memory is still 360.2 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 10:01:48,127 INFO L168 Benchmark]: CACSL2BoogieTranslator took 217.32 ms. Allocated memory is still 402.7 MB. Free memory was 334.4 MB in the beginning and 310.6 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 5.3 GB. [2018-04-11 10:01:48,127 INFO L168 Benchmark]: Boogie Preprocessor took 33.19 ms. Allocated memory is still 402.7 MB. Free memory was 310.6 MB in the beginning and 308.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-11 10:01:48,127 INFO L168 Benchmark]: RCFGBuilder took 353.15 ms. Allocated memory was 402.7 MB in the beginning and 616.0 MB in the end (delta: 213.4 MB). Free memory was 308.0 MB in the beginning and 554.3 MB in the end (delta: -246.4 MB). Peak memory consumption was 24.9 MB. Max. memory is 5.3 GB. [2018-04-11 10:01:48,127 INFO L168 Benchmark]: TraceAbstraction took 2460.21 ms. Allocated memory was 616.0 MB in the beginning and 699.9 MB in the end (delta: 83.9 MB). Free memory was 554.3 MB in the beginning and 552.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 85.4 MB. Max. memory is 5.3 GB. [2018-04-11 10:01:48,128 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 402.7 MB. Free memory is still 360.2 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 217.32 ms. Allocated memory is still 402.7 MB. Free memory was 334.4 MB in the beginning and 310.6 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 33.19 ms. Allocated memory is still 402.7 MB. Free memory was 310.6 MB in the beginning and 308.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 353.15 ms. Allocated memory was 402.7 MB in the beginning and 616.0 MB in the end (delta: 213.4 MB). Free memory was 308.0 MB in the beginning and 554.3 MB in the end (delta: -246.4 MB). Peak memory consumption was 24.9 MB. Max. memory is 5.3 GB. * TraceAbstraction took 2460.21 ms. Allocated memory was 616.0 MB in the beginning and 699.9 MB in the end (delta: 83.9 MB). Free memory was 554.3 MB in the beginning and 552.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 85.4 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 544]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 544]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 37 locations, 5 error locations. SAFE Result, 2.4s OverallTime, 8 OverallIterations, 3 TraceHistogramMax, 1.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 154 SDtfs, 201 SDslu, 515 SDs, 0 SdLazy, 485 SolverSat, 74 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 118 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 18 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 168 NumberOfCodeBlocks, 168 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 158 ConstructedInterpolants, 11 QuantifiedInterpolants, 20892 SizeOfPredicates, 14 NumberOfNonLiveVariables, 164 ConjunctsInSsa, 49 ConjunctsInUnsatCore, 10 InterpolantComputations, 6 PerfectInterpolantSequences, 4/22 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-11_10-01-48-132.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-11_10-01-48-132.csv Received shutdown request...