java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/array-memsafety/openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-453dfda-m [2018-04-09 20:31:13,956 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-09 20:31:13,957 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-09 20:31:13,970 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-04-09 20:31:13,999 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf [2018-04-09 20:31:14,023 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-09 20:31:14,023 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-09 20:31:14,023 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-04-09 20:31:14,023 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-04-09 20:31:14,024 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-04-09 20:31:14,024 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-04-09 20:31:14,024 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-04-09 20:31:14,025 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-04-09 20:31:14,025 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-04-09 20:31:14,025 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-04-09 20:31:14,025 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-04-09 20:31:14,025 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-04-09 20:31:14,025 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-09 20:31:14,026 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-09 20:31:14,026 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-09 20:31:14,026 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-09 20:31:14,026 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-09 20:31:14,026 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-09 20:31:14,026 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-09 20:31:14,027 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-04-09 20:31:14,027 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-09 20:31:14,027 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-09 20:31:14,027 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-09 20:31:14,027 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-04-09 20:31:14,028 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-04-09 20:31:14,028 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-09 20:31:14,028 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-09 20:31:14,028 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-09 20:31:14,028 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-09 20:31:14,028 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-09 20:31:14,029 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-04-09 20:31:14,029 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-04-09 20:31:14,029 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:31:14,029 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-04-09 20:31:14,030 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-04-09 20:31:14,030 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-04-09 20:31:14,030 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-04-09 20:31:14,030 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-04-09 20:31:14,062 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-09 20:31:14,072 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-09 20:31:14,075 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-09 20:31:14,077 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-09 20:31:14,077 INFO L276 PluginConnector]: CDTParser initialized [2018-04-09 20:31:14,078 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,407 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG40cbda720 [2018-04-09 20:31:14,567 INFO L287 CDTParser]: IsIndexed: true [2018-04-09 20:31:14,567 INFO L288 CDTParser]: Found 1 translation units. [2018-04-09 20:31:14,568 INFO L168 CDTParser]: Scanning openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,578 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-09 20:31:14,578 INFO L215 ultiparseSymbolTable]: [2018-04-09 20:31:14,578 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-09 20:31:14,578 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,579 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____bswap_32 ('__bswap_32') in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,579 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____bswap_64 ('__bswap_64') in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,579 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen ('cstrnlen') in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,579 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-09 20:31:14,579 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__pthread_rwlock_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,579 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____id_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,579 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____uint32_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,579 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__fd_set in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,580 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____syscall_ulong_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,580 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____caddr_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,580 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__time_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,580 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__pthread_key_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,580 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____dev_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,580 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____fsblkcnt_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,580 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__mode_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,580 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__lldiv_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,580 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__uid_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,580 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__int16_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,580 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____u_short in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,580 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__blkcnt_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__ulong in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__u_char in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__size_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____int16_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__div_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____u_long in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____mode_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__blksize_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__caddr_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__sigset_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____socklen_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__int32_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__fsfilcnt_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____off_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____quad_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____blkcnt64_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____intptr_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____u_quad_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__pthread_barrier_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__off_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__timer_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____ssize_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__key_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____nlink_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,583 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____pthread_list_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,583 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__u_int in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,583 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____rlim_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,583 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____fsblkcnt64_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,583 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__u_int32_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,583 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____int32_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,583 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____off64_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,583 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____suseconds_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,583 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____u_char in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,583 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__fsblkcnt_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,583 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____timer_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,583 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____gid_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,583 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____pid_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__pthread_mutexattr_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__wchar_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__uint in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__nlink_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__loff_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____fd_mask in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____useconds_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__pthread_condattr_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__u_int8_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____int64_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__pthread_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____sig_atomic_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__pthread_attr_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____clockid_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____u_int in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__clockid_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____blkcnt_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__pthread_cond_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____sigset_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__quad_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__pthread_once_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____uint64_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__ssize_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____fsword_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__u_int16_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__fd_mask in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____uid_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__dev_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__u_short in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__pthread_spinlock_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____ino64_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,586 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__id_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,586 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____ino_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,586 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__pid_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,586 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__daddr_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,586 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____uint16_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,586 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__ino_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,586 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__clock_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,586 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____fsid_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,586 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____fsfilcnt64_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,586 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__u_int64_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,586 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__int8_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,586 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__ldiv_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,586 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__gid_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,586 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____syscall_slong_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,587 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__u_long in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,587 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____int8_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,587 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__register_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,587 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__suseconds_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,587 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__pthread_barrierattr_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,587 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__int64_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,587 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____loff_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,587 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__fsid_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,587 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__pthread_mutex_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,587 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__u_quad_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,587 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__ushort in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,588 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____clock_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,588 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____time_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,588 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____key_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,588 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____uint8_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,588 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____WAIT_STATUS in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,588 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____rlim64_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,588 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____blksize_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,588 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____qaddr_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,588 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____daddr_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,589 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____fsfilcnt_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:14,609 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG40cbda720 [2018-04-09 20:31:14,615 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-09 20:31:14,617 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-09 20:31:14,618 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-09 20:31:14,619 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-09 20:31:14,626 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-09 20:31:14,627 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.04 08:31:14" (1/1) ... [2018-04-09 20:31:14,630 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@722169da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 08:31:14, skipping insertion in model container [2018-04-09 20:31:14,630 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.04 08:31:14" (1/1) ... [2018-04-09 20:31:14,652 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-09 20:31:14,688 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-09 20:31:14,885 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-09 20:31:14,935 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-09 20:31:14,942 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-09 20:31:14,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 08:31:14 WrapperNode [2018-04-09 20:31:14,985 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-09 20:31:14,986 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-09 20:31:14,986 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-09 20:31:14,986 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-09 20:31:15,000 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 08:31:14" (1/1) ... [2018-04-09 20:31:15,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 08:31:14" (1/1) ... [2018-04-09 20:31:15,017 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 08:31:14" (1/1) ... [2018-04-09 20:31:15,017 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 08:31:14" (1/1) ... [2018-04-09 20:31:15,028 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 08:31:14" (1/1) ... [2018-04-09 20:31:15,034 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 08:31:14" (1/1) ... [2018-04-09 20:31:15,037 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 08:31:14" (1/1) ... [2018-04-09 20:31:15,042 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-09 20:31:15,043 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-09 20:31:15,043 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-09 20:31:15,043 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-09 20:31:15,044 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 08:31:14" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-09 20:31:15,168 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-09 20:31:15,169 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-09 20:31:15,169 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-09 20:31:15,169 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-09 20:31:15,169 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen [2018-04-09 20:31:15,169 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-09 20:31:15,169 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-09 20:31:15,169 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-09 20:31:15,170 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-09 20:31:15,170 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-09 20:31:15,170 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-09 20:31:15,170 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-09 20:31:15,170 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-09 20:31:15,170 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-09 20:31:15,170 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-09 20:31:15,171 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-09 20:31:15,171 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-09 20:31:15,171 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-09 20:31:15,171 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-09 20:31:15,171 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-09 20:31:15,171 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-09 20:31:15,171 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-09 20:31:15,172 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-09 20:31:15,172 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-09 20:31:15,172 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-09 20:31:15,172 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-09 20:31:15,172 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-09 20:31:15,172 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-09 20:31:15,172 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-09 20:31:15,173 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-09 20:31:15,173 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-09 20:31:15,173 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-09 20:31:15,173 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-09 20:31:15,173 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-09 20:31:15,173 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-09 20:31:15,173 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-09 20:31:15,174 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-09 20:31:15,174 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-09 20:31:15,174 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-09 20:31:15,174 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-09 20:31:15,174 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-09 20:31:15,174 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-09 20:31:15,174 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-09 20:31:15,174 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-09 20:31:15,175 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-09 20:31:15,175 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-09 20:31:15,175 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-09 20:31:15,175 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-09 20:31:15,175 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-09 20:31:15,175 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-09 20:31:15,175 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-09 20:31:15,176 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-09 20:31:15,176 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-09 20:31:15,176 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-09 20:31:15,176 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-09 20:31:15,176 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-09 20:31:15,176 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-09 20:31:15,176 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-09 20:31:15,176 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-09 20:31:15,177 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-09 20:31:15,177 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-09 20:31:15,177 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-09 20:31:15,177 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-09 20:31:15,177 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-09 20:31:15,177 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-09 20:31:15,177 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-09 20:31:15,177 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-09 20:31:15,178 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-09 20:31:15,178 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-09 20:31:15,178 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-09 20:31:15,178 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-09 20:31:15,178 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-09 20:31:15,178 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-09 20:31:15,178 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-09 20:31:15,179 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-09 20:31:15,179 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-09 20:31:15,179 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-09 20:31:15,179 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-09 20:31:15,179 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-09 20:31:15,179 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-09 20:31:15,179 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-09 20:31:15,179 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-09 20:31:15,180 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-09 20:31:15,180 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-09 20:31:15,180 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-09 20:31:15,180 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-09 20:31:15,180 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-09 20:31:15,180 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-09 20:31:15,180 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-09 20:31:15,181 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-09 20:31:15,181 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-09 20:31:15,181 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-09 20:31:15,181 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-09 20:31:15,181 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-09 20:31:15,181 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-09 20:31:15,181 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-09 20:31:15,181 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-09 20:31:15,182 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-09 20:31:15,182 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-09 20:31:15,182 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-09 20:31:15,182 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-09 20:31:15,182 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-09 20:31:15,182 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-09 20:31:15,182 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-09 20:31:15,182 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-09 20:31:15,183 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-09 20:31:15,183 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-09 20:31:15,183 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-09 20:31:15,183 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-09 20:31:15,183 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen [2018-04-09 20:31:15,183 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-09 20:31:15,183 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-09 20:31:15,183 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-09 20:31:15,184 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-09 20:31:15,184 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-09 20:31:15,184 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-09 20:31:15,184 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-09 20:31:15,184 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-09 20:31:15,503 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-09 20:31:15,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.04 08:31:15 BoogieIcfgContainer [2018-04-09 20:31:15,503 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-09 20:31:15,504 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-09 20:31:15,504 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-09 20:31:15,506 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-09 20:31:15,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.04 08:31:14" (1/3) ... [2018-04-09 20:31:15,507 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1750f685 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.04 08:31:15, skipping insertion in model container [2018-04-09 20:31:15,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 08:31:14" (2/3) ... [2018-04-09 20:31:15,507 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1750f685 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.04 08:31:15, skipping insertion in model container [2018-04-09 20:31:15,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.04 08:31:15" (3/3) ... [2018-04-09 20:31:15,509 INFO L107 eAbstractionObserver]: Analyzing ICFG openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:31:15,515 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-09 20:31:15,521 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2018-04-09 20:31:15,565 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-09 20:31:15,566 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-09 20:31:15,566 INFO L370 AbstractCegarLoop]: Hoare is true [2018-04-09 20:31:15,566 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-09 20:31:15,566 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-09 20:31:15,566 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-09 20:31:15,566 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-09 20:31:15,566 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-09 20:31:15,567 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-09 20:31:15,567 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-09 20:31:15,579 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states. [2018-04-09 20:31:15,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-04-09 20:31:15,583 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:31:15,584 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:31:15,584 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr1RequiresViolation, __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 20:31:15,588 INFO L82 PathProgramCache]: Analyzing trace with hash 1599550244, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:31:15,601 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:31:15,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:31:15,632 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:31:15,675 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 [2018-04-09 20:31:15,677 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:31:15,684 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:31:15,684 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-09 20:31:15,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:31:15,701 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:31:15,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:31:15,733 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 20:31:15,733 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-09 20:31:15,735 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-09 20:31:15,744 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-09 20:31:15,745 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-09 20:31:15,747 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 4 states. [2018-04-09 20:31:15,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:31:15,810 INFO L93 Difference]: Finished difference Result 68 states and 71 transitions. [2018-04-09 20:31:15,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-09 20:31:15,811 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2018-04-09 20:31:15,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:31:15,819 INFO L225 Difference]: With dead ends: 68 [2018-04-09 20:31:15,820 INFO L226 Difference]: Without dead ends: 52 [2018-04-09 20:31:15,822 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-09 20:31:15,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-04-09 20:31:15,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-04-09 20:31:15,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-04-09 20:31:15,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 55 transitions. [2018-04-09 20:31:15,860 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 55 transitions. Word has length 17 [2018-04-09 20:31:15,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:31:15,860 INFO L459 AbstractCegarLoop]: Abstraction has 52 states and 55 transitions. [2018-04-09 20:31:15,860 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-09 20:31:15,860 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 55 transitions. [2018-04-09 20:31:15,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-04-09 20:31:15,861 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:31:15,861 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:31:15,861 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr1RequiresViolation, __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 20:31:15,861 INFO L82 PathProgramCache]: Analyzing trace with hash 1599550245, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:31:15,868 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:31:15,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:31:15,886 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:31:15,902 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 [2018-04-09 20:31:15,902 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:31:15,917 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:31:15,917 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-04-09 20:31:15,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:31:15,950 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:31:15,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:31:16,021 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 20:31:16,021 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2018-04-09 20:31:16,023 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-09 20:31:16,023 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-09 20:31:16,023 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-04-09 20:31:16,024 INFO L87 Difference]: Start difference. First operand 52 states and 55 transitions. Second operand 7 states. [2018-04-09 20:31:16,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:31:16,082 INFO L93 Difference]: Finished difference Result 52 states and 55 transitions. [2018-04-09 20:31:16,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-09 20:31:16,083 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2018-04-09 20:31:16,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:31:16,084 INFO L225 Difference]: With dead ends: 52 [2018-04-09 20:31:16,084 INFO L226 Difference]: Without dead ends: 51 [2018-04-09 20:31:16,085 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-04-09 20:31:16,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-04-09 20:31:16,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-04-09 20:31:16,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-04-09 20:31:16,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 54 transitions. [2018-04-09 20:31:16,090 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 54 transitions. Word has length 17 [2018-04-09 20:31:16,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:31:16,090 INFO L459 AbstractCegarLoop]: Abstraction has 51 states and 54 transitions. [2018-04-09 20:31:16,090 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-09 20:31:16,090 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 54 transitions. [2018-04-09 20:31:16,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-04-09 20:31:16,091 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:31:16,091 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:31:16,091 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr1RequiresViolation, __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 20:31:16,091 INFO L82 PathProgramCache]: Analyzing trace with hash 26701720, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:31:16,097 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:31:16,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:31:16,118 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:31:16,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:31:16,201 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:31:16,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:31:16,235 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 20:31:16,235 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2018-04-09 20:31:16,236 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-09 20:31:16,236 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-09 20:31:16,236 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-09 20:31:16,236 INFO L87 Difference]: Start difference. First operand 51 states and 54 transitions. Second operand 6 states. [2018-04-09 20:31:16,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:31:16,339 INFO L93 Difference]: Finished difference Result 67 states and 72 transitions. [2018-04-09 20:31:16,339 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-09 20:31:16,339 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2018-04-09 20:31:16,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:31:16,342 INFO L225 Difference]: With dead ends: 67 [2018-04-09 20:31:16,343 INFO L226 Difference]: Without dead ends: 66 [2018-04-09 20:31:16,343 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-04-09 20:31:16,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-04-09 20:31:16,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 55. [2018-04-09 20:31:16,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-04-09 20:31:16,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 60 transitions. [2018-04-09 20:31:16,351 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 60 transitions. Word has length 26 [2018-04-09 20:31:16,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:31:16,351 INFO L459 AbstractCegarLoop]: Abstraction has 55 states and 60 transitions. [2018-04-09 20:31:16,352 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-09 20:31:16,352 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 60 transitions. [2018-04-09 20:31:16,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-04-09 20:31:16,352 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:31:16,352 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:31:16,352 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr1RequiresViolation, __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 20:31:16,353 INFO L82 PathProgramCache]: Analyzing trace with hash 26701721, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:31:16,360 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:31:16,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:31:16,380 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:31:16,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:31:16,491 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:31:16,508 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-04-09 20:31:16,508 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:31:16,529 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 10 [2018-04-09 20:31:16,530 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 20:31:16,532 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 20:31:16,533 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2018-04-09 20:31:16,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:31:16,567 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 20:31:16,567 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2018-04-09 20:31:16,568 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-09 20:31:16,568 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-09 20:31:16,568 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-04-09 20:31:16,569 INFO L87 Difference]: Start difference. First operand 55 states and 60 transitions. Second operand 9 states. [2018-04-09 20:31:16,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:31:16,731 INFO L93 Difference]: Finished difference Result 66 states and 71 transitions. [2018-04-09 20:31:16,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-09 20:31:16,732 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 26 [2018-04-09 20:31:16,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:31:16,733 INFO L225 Difference]: With dead ends: 66 [2018-04-09 20:31:16,733 INFO L226 Difference]: Without dead ends: 65 [2018-04-09 20:31:16,734 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 42 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2018-04-09 20:31:16,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-04-09 20:31:16,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 55. [2018-04-09 20:31:16,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-04-09 20:31:16,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 59 transitions. [2018-04-09 20:31:16,741 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 59 transitions. Word has length 26 [2018-04-09 20:31:16,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:31:16,742 INFO L459 AbstractCegarLoop]: Abstraction has 55 states and 59 transitions. [2018-04-09 20:31:16,742 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-09 20:31:16,742 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 59 transitions. [2018-04-09 20:31:16,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-04-09 20:31:16,744 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:31:16,744 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:31:16,744 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr1RequiresViolation, __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 20:31:16,744 INFO L82 PathProgramCache]: Analyzing trace with hash -79757067, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:31:16,752 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:31:16,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:31:16,770 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:31:16,782 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 20:31:16,783 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2018-04-09 20:31:16,783 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:31:16,784 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 20:31:16,784 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-04-09 20:31:16,808 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc8.base| Int)) (and (= |c_#valid| (store |c_old(#valid)| |main_#t~malloc8.base| 0)) (= 0 (select |c_old(#valid)| |main_#t~malloc8.base|)))) is different from true [2018-04-09 20:31:16,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:31:16,813 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:31:16,835 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc8.base_9| Int)) (or (= (store |c_#valid| |v_main_#t~malloc8.base_9| 0) |c_old(#valid)|) (not (= 0 (select |c_#valid| |v_main_#t~malloc8.base_9|))))) is different from false [2018-04-09 20:31:16,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:31:16,881 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 20:31:16,881 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 7 [2018-04-09 20:31:16,881 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-09 20:31:16,881 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-09 20:31:16,881 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=21, Unknown=2, NotChecked=18, Total=56 [2018-04-09 20:31:16,882 INFO L87 Difference]: Start difference. First operand 55 states and 59 transitions. Second operand 8 states. [2018-04-09 20:31:16,891 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc8.base_9| Int)) (or (= (store |c_#valid| |v_main_#t~malloc8.base_9| 0) |c_old(#valid)|) (not (= 0 (select |c_#valid| |v_main_#t~malloc8.base_9|)))))) is different from false [2018-04-09 20:31:16,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:31:16,998 INFO L93 Difference]: Finished difference Result 66 states and 71 transitions. [2018-04-09 20:31:16,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-09 20:31:16,998 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 36 [2018-04-09 20:31:16,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:31:17,000 INFO L225 Difference]: With dead ends: 66 [2018-04-09 20:31:17,001 INFO L226 Difference]: Without dead ends: 60 [2018-04-09 20:31:17,001 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 65 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=52, Unknown=3, NotChecked=48, Total=132 [2018-04-09 20:31:17,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-04-09 20:31:17,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2018-04-09 20:31:17,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-04-09 20:31:17,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 65 transitions. [2018-04-09 20:31:17,013 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 65 transitions. Word has length 36 [2018-04-09 20:31:17,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:31:17,013 INFO L459 AbstractCegarLoop]: Abstraction has 60 states and 65 transitions. [2018-04-09 20:31:17,013 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-09 20:31:17,014 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 65 transitions. [2018-04-09 20:31:17,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-04-09 20:31:17,015 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:31:17,015 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:31:17,015 INFO L408 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr1RequiresViolation, __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 20:31:17,015 INFO L82 PathProgramCache]: Analyzing trace with hash -204514762, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:31:17,022 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:31:17,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:31:17,039 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:31:17,085 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 20:31:17,086 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2018-04-09 20:31:17,086 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:31:17,092 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 20:31:17,092 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-04-09 20:31:17,133 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc8.base| Int)) (and (= |c_#valid| (store |c_old(#valid)| |main_#t~malloc8.base| 0)) (= 0 (select |c_old(#valid)| |main_#t~malloc8.base|)))) is different from true [2018-04-09 20:31:17,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:31:17,139 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:31:17,151 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc8.base_11| Int)) (or (= (store |c_#valid| |v_main_#t~malloc8.base_11| 0) |c_old(#valid)|) (not (= 0 (select |c_#valid| |v_main_#t~malloc8.base_11|))))) is different from false [2018-04-09 20:31:17,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:31:17,186 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 20:31:17,186 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 7 [2018-04-09 20:31:17,186 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-09 20:31:17,187 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-09 20:31:17,187 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=21, Unknown=2, NotChecked=18, Total=56 [2018-04-09 20:31:17,187 INFO L87 Difference]: Start difference. First operand 60 states and 65 transitions. Second operand 8 states. [2018-04-09 20:31:17,199 WARN L1011 $PredicateComparison]: unable to prove that (and (forall ((|v_main_#t~malloc8.base_11| Int)) (or (= (store |c_#valid| |v_main_#t~malloc8.base_11| 0) |c_old(#valid)|) (not (= 0 (select |c_#valid| |v_main_#t~malloc8.base_11|))))) (= |c_#valid| |c_old(#valid)|)) is different from false [2018-04-09 20:31:17,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:31:17,355 INFO L93 Difference]: Finished difference Result 70 states and 75 transitions. [2018-04-09 20:31:17,355 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-09 20:31:17,355 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 37 [2018-04-09 20:31:17,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:31:17,357 INFO L225 Difference]: With dead ends: 70 [2018-04-09 20:31:17,357 INFO L226 Difference]: Without dead ends: 64 [2018-04-09 20:31:17,357 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 67 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=52, Unknown=3, NotChecked=48, Total=132 [2018-04-09 20:31:17,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-04-09 20:31:17,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 59. [2018-04-09 20:31:17,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-04-09 20:31:17,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 63 transitions. [2018-04-09 20:31:17,365 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 63 transitions. Word has length 37 [2018-04-09 20:31:17,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:31:17,366 INFO L459 AbstractCegarLoop]: Abstraction has 59 states and 63 transitions. [2018-04-09 20:31:17,366 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-09 20:31:17,366 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 63 transitions. [2018-04-09 20:31:17,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-04-09 20:31:17,368 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:31:17,368 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:31:17,368 INFO L408 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr1RequiresViolation, __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 20:31:17,368 INFO L82 PathProgramCache]: Analyzing trace with hash -737777679, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:31:17,374 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:31:17,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:31:17,392 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:31:17,409 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 20:31:17,410 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2018-04-09 20:31:17,410 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:31:17,412 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 20:31:17,412 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-04-09 20:31:17,431 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc8.base| Int)) (and (= |c_#valid| (store |c_old(#valid)| |main_#t~malloc8.base| 0)) (= 0 (select |c_old(#valid)| |main_#t~malloc8.base|)))) is different from true [2018-04-09 20:31:17,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:31:17,435 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:31:17,448 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc8.base_13| Int)) (or (= (store |c_#valid| |v_main_#t~malloc8.base_13| 0) |c_old(#valid)|) (not (= 0 (select |c_#valid| |v_main_#t~malloc8.base_13|))))) is different from false [2018-04-09 20:31:17,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:31:17,500 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 20:31:17,501 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 7 [2018-04-09 20:31:17,501 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-09 20:31:17,501 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-09 20:31:17,502 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=21, Unknown=2, NotChecked=18, Total=56 [2018-04-09 20:31:17,502 INFO L87 Difference]: Start difference. First operand 59 states and 63 transitions. Second operand 8 states. [2018-04-09 20:31:17,509 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc8.base_13| Int)) (or (= (store |c_#valid| |v_main_#t~malloc8.base_13| 0) |c_old(#valid)|) (not (= 0 (select |c_#valid| |v_main_#t~malloc8.base_13|)))))) is different from false [2018-04-09 20:31:17,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:31:17,645 INFO L93 Difference]: Finished difference Result 71 states and 76 transitions. [2018-04-09 20:31:17,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-09 20:31:17,646 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 37 [2018-04-09 20:31:17,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:31:17,647 INFO L225 Difference]: With dead ends: 71 [2018-04-09 20:31:17,647 INFO L226 Difference]: Without dead ends: 65 [2018-04-09 20:31:17,647 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 67 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=52, Unknown=3, NotChecked=48, Total=132 [2018-04-09 20:31:17,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-04-09 20:31:17,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 61. [2018-04-09 20:31:17,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-04-09 20:31:17,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 66 transitions. [2018-04-09 20:31:17,654 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 66 transitions. Word has length 37 [2018-04-09 20:31:17,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:31:17,654 INFO L459 AbstractCegarLoop]: Abstraction has 61 states and 66 transitions. [2018-04-09 20:31:17,654 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-09 20:31:17,655 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 66 transitions. [2018-04-09 20:31:17,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-04-09 20:31:17,655 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:31:17,655 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:31:17,655 INFO L408 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr1RequiresViolation, __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 20:31:17,656 INFO L82 PathProgramCache]: Analyzing trace with hash -310298928, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:31:17,663 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:31:17,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:31:17,678 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:31:17,693 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 20:31:17,694 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2018-04-09 20:31:17,694 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:31:17,696 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 20:31:17,696 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-04-09 20:31:17,713 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc8.base| Int)) (and (= |c_#valid| (store |c_old(#valid)| |main_#t~malloc8.base| 0)) (= 0 (select |c_old(#valid)| |main_#t~malloc8.base|)))) is different from true [2018-04-09 20:31:17,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:31:17,715 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:31:17,725 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc8.base_15| Int)) (or (= (store |c_#valid| |v_main_#t~malloc8.base_15| 0) |c_old(#valid)|) (not (= 0 (select |c_#valid| |v_main_#t~malloc8.base_15|))))) is different from false [2018-04-09 20:31:17,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:31:17,760 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 20:31:17,760 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 7 [2018-04-09 20:31:17,760 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-09 20:31:17,760 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-09 20:31:17,761 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=21, Unknown=2, NotChecked=18, Total=56 [2018-04-09 20:31:17,761 INFO L87 Difference]: Start difference. First operand 61 states and 66 transitions. Second operand 8 states. [2018-04-09 20:31:17,766 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc8.base_15| Int)) (or (= (store |c_#valid| |v_main_#t~malloc8.base_15| 0) |c_old(#valid)|) (not (= 0 (select |c_#valid| |v_main_#t~malloc8.base_15|)))))) is different from false [2018-04-09 20:31:17,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:31:17,837 INFO L93 Difference]: Finished difference Result 61 states and 66 transitions. [2018-04-09 20:31:17,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-09 20:31:17,837 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 38 [2018-04-09 20:31:17,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:31:17,838 INFO L225 Difference]: With dead ends: 61 [2018-04-09 20:31:17,838 INFO L226 Difference]: Without dead ends: 50 [2018-04-09 20:31:17,839 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 69 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=52, Unknown=3, NotChecked=48, Total=132 [2018-04-09 20:31:17,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-04-09 20:31:17,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 44. [2018-04-09 20:31:17,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-04-09 20:31:17,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 48 transitions. [2018-04-09 20:31:17,846 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 48 transitions. Word has length 38 [2018-04-09 20:31:17,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:31:17,846 INFO L459 AbstractCegarLoop]: Abstraction has 44 states and 48 transitions. [2018-04-09 20:31:17,846 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-09 20:31:17,846 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 48 transitions. [2018-04-09 20:31:17,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-04-09 20:31:17,847 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:31:17,847 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:31:17,847 INFO L408 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr1RequiresViolation, __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 20:31:17,848 INFO L82 PathProgramCache]: Analyzing trace with hash 835353797, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:31:17,858 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:31:17,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:31:17,874 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:31:17,881 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:31:17,881 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:31:17,886 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:31:17,908 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 20:31:17,908 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-09 20:31:17,908 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-09 20:31:17,908 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-09 20:31:17,908 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-09 20:31:17,909 INFO L87 Difference]: Start difference. First operand 44 states and 48 transitions. Second operand 3 states. [2018-04-09 20:31:17,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:31:17,917 INFO L93 Difference]: Finished difference Result 61 states and 66 transitions. [2018-04-09 20:31:17,918 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-09 20:31:17,918 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2018-04-09 20:31:17,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:31:17,919 INFO L225 Difference]: With dead ends: 61 [2018-04-09 20:31:17,919 INFO L226 Difference]: Without dead ends: 44 [2018-04-09 20:31:17,919 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-09 20:31:17,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-04-09 20:31:17,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-04-09 20:31:17,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-04-09 20:31:17,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 46 transitions. [2018-04-09 20:31:17,927 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 46 transitions. Word has length 38 [2018-04-09 20:31:17,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:31:17,927 INFO L459 AbstractCegarLoop]: Abstraction has 44 states and 46 transitions. [2018-04-09 20:31:17,927 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-09 20:31:17,927 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 46 transitions. [2018-04-09 20:31:17,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-04-09 20:31:17,928 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:31:17,929 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:31:17,929 INFO L408 AbstractCegarLoop]: === Iteration 10 === [__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr1RequiresViolation, __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 20:31:17,929 INFO L82 PathProgramCache]: Analyzing trace with hash -1956776024, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:31:17,936 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:31:17,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:31:17,952 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:31:17,976 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-04-09 20:31:17,976 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:31:17,984 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-04-09 20:31:18,005 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 20:31:18,005 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2018-04-09 20:31:18,006 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-09 20:31:18,006 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-09 20:31:18,006 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-04-09 20:31:18,006 INFO L87 Difference]: Start difference. First operand 44 states and 46 transitions. Second operand 7 states. [2018-04-09 20:31:18,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:31:18,048 INFO L93 Difference]: Finished difference Result 44 states and 46 transitions. [2018-04-09 20:31:18,048 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-09 20:31:18,048 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 40 [2018-04-09 20:31:18,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:31:18,049 INFO L225 Difference]: With dead ends: 44 [2018-04-09 20:31:18,049 INFO L226 Difference]: Without dead ends: 43 [2018-04-09 20:31:18,049 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-04-09 20:31:18,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-04-09 20:31:18,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-04-09 20:31:18,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-04-09 20:31:18,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 45 transitions. [2018-04-09 20:31:18,056 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 45 transitions. Word has length 40 [2018-04-09 20:31:18,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:31:18,056 INFO L459 AbstractCegarLoop]: Abstraction has 43 states and 45 transitions. [2018-04-09 20:31:18,057 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-09 20:31:18,057 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2018-04-09 20:31:18,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-04-09 20:31:18,058 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:31:18,058 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:31:18,058 INFO L408 AbstractCegarLoop]: === Iteration 11 === [__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr1RequiresViolation, __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 20:31:18,058 INFO L82 PathProgramCache]: Analyzing trace with hash -1956776023, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:31:18,064 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:31:18,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:31:18,079 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:31:18,089 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 [2018-04-09 20:31:18,091 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 [2018-04-09 20:31:18,091 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 20:31:18,093 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:31:18,103 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. [2018-04-09 20:31:18,103 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:21 [2018-04-09 20:31:18,169 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 [2018-04-09 20:31:18,180 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 [2018-04-09 20:31:18,180 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-09 20:31:18,185 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 20:31:18,207 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-09 20:31:18,207 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:34, output treesize:33 [2018-04-09 20:31:18,317 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:31:18,317 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:31:18,579 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-04-09 20:31:18,579 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:31:18,585 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2018-04-09 20:31:18,594 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-04-09 20:31:18,594 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-09 20:31:18,596 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:31:18,602 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:31:18,602 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:35, output treesize:7 [2018-04-09 20:31:18,619 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:31:18,645 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 20:31:18,645 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2018-04-09 20:31:18,645 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-09 20:31:18,646 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-09 20:31:18,646 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=361, Unknown=0, NotChecked=0, Total=420 [2018-04-09 20:31:18,646 INFO L87 Difference]: Start difference. First operand 43 states and 45 transitions. Second operand 21 states. [2018-04-09 20:31:19,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:31:19,118 INFO L93 Difference]: Finished difference Result 64 states and 66 transitions. [2018-04-09 20:31:19,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-09 20:31:19,119 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 40 [2018-04-09 20:31:19,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:31:19,119 INFO L225 Difference]: With dead ends: 64 [2018-04-09 20:31:19,119 INFO L226 Difference]: Without dead ends: 63 [2018-04-09 20:31:19,120 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 59 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=184, Invalid=746, Unknown=0, NotChecked=0, Total=930 [2018-04-09 20:31:19,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-04-09 20:31:19,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 57. [2018-04-09 20:31:19,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-04-09 20:31:19,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 59 transitions. [2018-04-09 20:31:19,126 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 59 transitions. Word has length 40 [2018-04-09 20:31:19,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:31:19,127 INFO L459 AbstractCegarLoop]: Abstraction has 57 states and 59 transitions. [2018-04-09 20:31:19,127 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-09 20:31:19,127 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 59 transitions. [2018-04-09 20:31:19,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-04-09 20:31:19,128 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:31:19,128 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:31:19,128 INFO L408 AbstractCegarLoop]: === Iteration 12 === [__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr1RequiresViolation, __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 20:31:19,129 INFO L82 PathProgramCache]: Analyzing trace with hash -1328733255, now seen corresponding path program 2 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:31:19,136 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:31:19,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:31:19,163 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:31:19,168 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 [2018-04-09 20:31:19,168 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:31:19,172 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:31:19,172 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-09 20:31:19,184 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 15 treesize of output 12 [2018-04-09 20:31:19,185 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-09 20:31:19,185 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 20:31:19,192 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:31:19,194 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:31:19,194 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:15, output treesize:11 [2018-04-09 20:31:19,286 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-04-09 20:31:19,294 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 12 [2018-04-09 20:31:19,294 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-09 20:31:19,297 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 20:31:19,303 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-09 20:31:19,303 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:29, output treesize:34 [2018-04-09 20:31:19,404 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:31:19,404 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:31:19,763 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2018-04-09 20:31:19,772 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-04-09 20:31:19,772 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 20:31:19,774 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:31:19,779 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-09 20:31:19,779 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:31, output treesize:35 [2018-04-09 20:31:19,853 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:31:19,874 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 20:31:19,874 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 29 [2018-04-09 20:31:19,875 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-04-09 20:31:19,875 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-04-09 20:31:19,875 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=781, Unknown=0, NotChecked=0, Total=870 [2018-04-09 20:31:19,876 INFO L87 Difference]: Start difference. First operand 57 states and 59 transitions. Second operand 30 states. [2018-04-09 20:31:20,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:31:20,854 INFO L93 Difference]: Finished difference Result 63 states and 65 transitions. [2018-04-09 20:31:20,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-04-09 20:31:20,854 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 54 [2018-04-09 20:31:20,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:31:20,855 INFO L225 Difference]: With dead ends: 63 [2018-04-09 20:31:20,855 INFO L226 Difference]: Without dead ends: 0 [2018-04-09 20:31:20,857 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 264 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=492, Invalid=1958, Unknown=0, NotChecked=0, Total=2450 [2018-04-09 20:31:20,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-09 20:31:20,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-09 20:31:20,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-09 20:31:20,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-09 20:31:20,858 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2018-04-09 20:31:20,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:31:20,858 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-09 20:31:20,858 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-04-09 20:31:20,858 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-09 20:31:20,858 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-09 20:31:20,862 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-04-09 20:31:21,122 WARN L151 SmtUtils]: Spent 111ms on a formula simplification. DAG size of input: 68 DAG size of output 31 [2018-04-09 20:31:21,915 WARN L151 SmtUtils]: Spent 790ms on a formula simplification. DAG size of input: 111 DAG size of output 61 [2018-04-09 20:31:21,925 INFO L416 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-04-09 20:31:21,925 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-04-09 20:31:21,925 INFO L412 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-04-09 20:31:21,925 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-04-09 20:31:21,925 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____bswap_64EXIT(lines 61 65) no Hoare annotation was computed. [2018-04-09 20:31:21,925 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____bswap_64ENTRY(lines 61 65) no Hoare annotation was computed. [2018-04-09 20:31:21,926 INFO L416 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-04-09 20:31:21,926 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____bswap_64FINAL(lines 61 65) no Hoare annotation was computed. [2018-04-09 20:31:21,926 INFO L416 ceAbstractionStarter]: For program point L64'(line 64) no Hoare annotation was computed. [2018-04-09 20:31:21,926 INFO L416 ceAbstractionStarter]: For program point L544'''(line 544) no Hoare annotation was computed. [2018-04-09 20:31:21,926 INFO L416 ceAbstractionStarter]: For program point L544'''''''''''''(line 544) no Hoare annotation was computed. [2018-04-09 20:31:21,926 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenFINAL(lines 540 547) no Hoare annotation was computed. [2018-04-09 20:31:21,926 INFO L416 ceAbstractionStarter]: For program point L540(lines 540 547) no Hoare annotation was computed. [2018-04-09 20:31:21,926 INFO L416 ceAbstractionStarter]: For program point L544'''''''''''''''''(line 544) no Hoare annotation was computed. [2018-04-09 20:31:21,926 INFO L416 ceAbstractionStarter]: For program point L544''''(line 544) no Hoare annotation was computed. [2018-04-09 20:31:21,926 INFO L416 ceAbstractionStarter]: For program point L544'''''''''''''''''''(lines 544 545) no Hoare annotation was computed. [2018-04-09 20:31:21,926 INFO L419 ceAbstractionStarter]: At program point __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenENTRY(lines 540 547) the Hoare annotation is: true [2018-04-09 20:31:21,926 INFO L416 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-04-09 20:31:21,927 INFO L412 ceAbstractionStarter]: At program point L544''''''''''''''''''(lines 544 545) the Hoare annotation is: (or (let ((.cse0 (select |#length| __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.base))) (and (<= 0 __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.offset) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~str.base) (+ (select |#length| __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~str.base) (- 1)))) (= (select |#valid| __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.base) 1) (exists ((v_main_~nondetString1~0.offset_BEFORE_CALL_2 Int) (main_~length1~0 Int)) (and (<= 1 main_~length1~0) (= (select (select |#memory_int| __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~str.base) (+ v_main_~nondetString1~0.offset_BEFORE_CALL_2 main_~length1~0 (- 1))) 0) (<= __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~str.offset v_main_~nondetString1~0.offset_BEFORE_CALL_2) (<= (+ v_main_~nondetString1~0.offset_BEFORE_CALL_2 main_~length1~0) (select |#length| __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~str.base)))) (<= 0 __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~str.offset) (<= (+ __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.offset 1) .cse0) (= 1 (select |#valid| __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~str.base)) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.base) (+ .cse0 (- 1)))))) (not (= (select |#valid| |__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_#in~str.base|) 1)) (not (exists ((v_main_~nondetString1~0.offset_BEFORE_CALL_2 Int) (main_~length1~0 Int)) (and (<= |__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_#in~str.offset| v_main_~nondetString1~0.offset_BEFORE_CALL_2) (<= 1 main_~length1~0) (= (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_#in~str.base|) (+ v_main_~nondetString1~0.offset_BEFORE_CALL_2 main_~length1~0 (- 1))) 0) (<= (+ v_main_~nondetString1~0.offset_BEFORE_CALL_2 main_~length1~0) (select |#length| |__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_#in~str.base|))))) (not (= (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_#in~str.base|) (+ (select |#length| |__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_#in~str.base|) (- 1))) 0)) (< |__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_#in~str.offset| 0)) [2018-04-09 20:31:21,927 INFO L416 ceAbstractionStarter]: For program point L543(line 543) no Hoare annotation was computed. [2018-04-09 20:31:21,927 INFO L416 ceAbstractionStarter]: For program point L544''''''''''(line 544) no Hoare annotation was computed. [2018-04-09 20:31:21,927 INFO L416 ceAbstractionStarter]: For program point L544'(line 544) no Hoare annotation was computed. [2018-04-09 20:31:21,927 INFO L416 ceAbstractionStarter]: For program point L544''''''''''''''(line 544) no Hoare annotation was computed. [2018-04-09 20:31:21,927 INFO L416 ceAbstractionStarter]: For program point L544''''''''(line 544) no Hoare annotation was computed. [2018-04-09 20:31:21,927 INFO L416 ceAbstractionStarter]: For program point L544'''''''''''(line 544) no Hoare annotation was computed. [2018-04-09 20:31:21,927 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr1RequiresViolation(line 544) no Hoare annotation was computed. [2018-04-09 20:31:21,927 INFO L416 ceAbstractionStarter]: For program point L544''''''''''''(lines 544 545) no Hoare annotation was computed. [2018-04-09 20:31:21,927 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenEXIT(lines 540 547) no Hoare annotation was computed. [2018-04-09 20:31:21,927 INFO L416 ceAbstractionStarter]: For program point L544'''''''(line 544) no Hoare annotation was computed. [2018-04-09 20:31:21,927 INFO L416 ceAbstractionStarter]: For program point L544''''''''''''''''(line 544) no Hoare annotation was computed. [2018-04-09 20:31:21,927 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr0RequiresViolation(line 544) no Hoare annotation was computed. [2018-04-09 20:31:21,927 INFO L416 ceAbstractionStarter]: For program point L544''''''(lines 544 545) no Hoare annotation was computed. [2018-04-09 20:31:21,927 INFO L416 ceAbstractionStarter]: For program point L544''(line 544) no Hoare annotation was computed. [2018-04-09 20:31:21,928 INFO L416 ceAbstractionStarter]: For program point L544'''''''''''''''(line 544) no Hoare annotation was computed. [2018-04-09 20:31:21,928 INFO L416 ceAbstractionStarter]: For program point L59(line 59) no Hoare annotation was computed. [2018-04-09 20:31:21,928 INFO L416 ceAbstractionStarter]: For program point L59'(line 59) no Hoare annotation was computed. [2018-04-09 20:31:21,928 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____bswap_32EXIT(lines 56 60) no Hoare annotation was computed. [2018-04-09 20:31:21,928 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____bswap_32ENTRY(lines 56 60) no Hoare annotation was computed. [2018-04-09 20:31:21,928 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____bswap_32FINAL(lines 56 60) no Hoare annotation was computed. [2018-04-09 20:31:21,928 INFO L419 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-04-09 20:31:21,928 INFO L419 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-04-09 20:31:21,928 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-04-09 20:31:21,928 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-04-09 20:31:21,929 INFO L416 ceAbstractionStarter]: For program point mainErr1RequiresViolation(line 558) no Hoare annotation was computed. [2018-04-09 20:31:21,929 INFO L416 ceAbstractionStarter]: For program point mainErr2EnsuresViolationMEMORY_LEAK(lines 548 560) no Hoare annotation was computed. [2018-04-09 20:31:21,929 INFO L416 ceAbstractionStarter]: For program point L549(line 549) no Hoare annotation was computed. [2018-04-09 20:31:21,929 INFO L416 ceAbstractionStarter]: For program point mainErr0RequiresViolation(line 558) no Hoare annotation was computed. [2018-04-09 20:31:21,929 INFO L416 ceAbstractionStarter]: For program point L551''(lines 548 560) no Hoare annotation was computed. [2018-04-09 20:31:21,929 INFO L416 ceAbstractionStarter]: For program point L550''(line 550) no Hoare annotation was computed. [2018-04-09 20:31:21,929 INFO L416 ceAbstractionStarter]: For program point L554'(lines 554 556) no Hoare annotation was computed. [2018-04-09 20:31:21,929 INFO L412 ceAbstractionStarter]: At program point L558'(line 558) the Hoare annotation is: (let ((.cse0 (select |#length| main_~nondetString1~0.base))) (and (= |#valid| (store |old(#valid)| |main_#t~malloc8.base| 1)) (= 0 main_~nondetString1~0.offset) (= |main_#t~malloc8.offset| 0) (= .cse0 main_~length1~0) (<= 1 main_~length1~0) (= 0 (select |old(#valid)| |main_#t~malloc8.base|)) (= (select |#length| |main_#t~malloc8.base|) main_~length1~0) (= 1 (select |#valid| main_~nondetString1~0.base)) (= 0 (select (select |#memory_int| main_~nondetString1~0.base) (+ .cse0 (- 1)))))) [2018-04-09 20:31:21,929 INFO L416 ceAbstractionStarter]: For program point L557''(line 557) no Hoare annotation was computed. [2018-04-09 20:31:21,929 INFO L416 ceAbstractionStarter]: For program point L550'(line 550) no Hoare annotation was computed. [2018-04-09 20:31:21,929 INFO L416 ceAbstractionStarter]: For program point L552(line 552) no Hoare annotation was computed. [2018-04-09 20:31:21,929 INFO L416 ceAbstractionStarter]: For program point L551(lines 551 553) no Hoare annotation was computed. [2018-04-09 20:31:21,930 INFO L416 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-04-09 20:31:21,930 INFO L416 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-04-09 20:31:21,930 INFO L416 ceAbstractionStarter]: For program point mainFINAL(lines 548 560) no Hoare annotation was computed. [2018-04-09 20:31:21,930 INFO L416 ceAbstractionStarter]: For program point L555(line 555) no Hoare annotation was computed. [2018-04-09 20:31:21,930 INFO L416 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-04-09 20:31:21,930 INFO L416 ceAbstractionStarter]: For program point L558(line 558) no Hoare annotation was computed. [2018-04-09 20:31:21,930 INFO L416 ceAbstractionStarter]: For program point mainEXIT(lines 548 560) no Hoare annotation was computed. [2018-04-09 20:31:21,930 INFO L412 ceAbstractionStarter]: At program point mainENTRY(lines 548 560) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-04-09 20:31:21,930 INFO L416 ceAbstractionStarter]: For program point L557'(line 557) no Hoare annotation was computed. [2018-04-09 20:31:21,930 INFO L416 ceAbstractionStarter]: For program point L559'(line 559) no Hoare annotation was computed. [2018-04-09 20:31:21,930 INFO L416 ceAbstractionStarter]: For program point L549'(line 549) no Hoare annotation was computed. [2018-04-09 20:31:21,936 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-09 20:31:21,937 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-09 20:31:21,937 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-09 20:31:21,937 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-09 20:31:21,937 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-09 20:31:21,937 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-09 20:31:21,938 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-09 20:31:21,938 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-09 20:31:21,938 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-09 20:31:21,939 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-09 20:31:21,939 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-09 20:31:21,939 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-09 20:31:21,941 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 20:31:21,941 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:31:21,941 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 20:31:21,941 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:31:21,941 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:31:21,942 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 20:31:21,942 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:31:21,942 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 20:31:21,942 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:31:21,942 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 20:31:21,942 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:31:21,947 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-09 20:31:21,947 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-09 20:31:21,947 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-09 20:31:21,948 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-09 20:31:21,948 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-09 20:31:21,948 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-09 20:31:21,949 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-09 20:31:21,949 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-09 20:31:21,949 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-09 20:31:21,949 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-09 20:31:21,949 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-09 20:31:21,949 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-09 20:31:21,950 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 20:31:21,950 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:31:21,950 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 20:31:21,951 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:31:21,951 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:31:21,951 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 20:31:21,951 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:31:21,951 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 20:31:21,952 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:31:21,952 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 20:31:21,952 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:31:21,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.04 08:31:21 BoogieIcfgContainer [2018-04-09 20:31:21,955 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-09 20:31:21,956 INFO L168 Benchmark]: Toolchain (without parser) took 7340.55 ms. Allocated memory was 305.1 MB in the beginning and 553.6 MB in the end (delta: 248.5 MB). Free memory was 240.1 MB in the beginning and 369.8 MB in the end (delta: -129.7 MB). Peak memory consumption was 118.8 MB. Max. memory is 5.3 GB. [2018-04-09 20:31:21,957 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 305.1 MB. Free memory is still 266.4 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-09 20:31:21,957 INFO L168 Benchmark]: CACSL2BoogieTranslator took 367.44 ms. Allocated memory is still 305.1 MB. Free memory was 240.1 MB in the beginning and 216.2 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. [2018-04-09 20:31:21,958 INFO L168 Benchmark]: Boogie Preprocessor took 55.95 ms. Allocated memory is still 305.1 MB. Free memory was 216.2 MB in the beginning and 212.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 5.3 GB. [2018-04-09 20:31:21,958 INFO L168 Benchmark]: RCFGBuilder took 460.77 ms. Allocated memory was 305.1 MB in the beginning and 468.2 MB in the end (delta: 163.1 MB). Free memory was 212.2 MB in the beginning and 406.8 MB in the end (delta: -194.6 MB). Peak memory consumption was 20.1 MB. Max. memory is 5.3 GB. [2018-04-09 20:31:21,959 INFO L168 Benchmark]: TraceAbstraction took 6451.07 ms. Allocated memory was 468.2 MB in the beginning and 553.6 MB in the end (delta: 85.5 MB). Free memory was 406.8 MB in the beginning and 369.8 MB in the end (delta: 37.0 MB). Peak memory consumption was 122.4 MB. Max. memory is 5.3 GB. [2018-04-09 20:31:21,961 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 305.1 MB. Free memory is still 266.4 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 367.44 ms. Allocated memory is still 305.1 MB. Free memory was 240.1 MB in the beginning and 216.2 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 55.95 ms. Allocated memory is still 305.1 MB. Free memory was 216.2 MB in the beginning and 212.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 460.77 ms. Allocated memory was 305.1 MB in the beginning and 468.2 MB in the end (delta: 163.1 MB). Free memory was 212.2 MB in the beginning and 406.8 MB in the end (delta: -194.6 MB). Peak memory consumption was 20.1 MB. Max. memory is 5.3 GB. * TraceAbstraction took 6451.07 ms. Allocated memory was 468.2 MB in the beginning and 553.6 MB in the end (delta: 85.5 MB). Free memory was 406.8 MB in the beginning and 369.8 MB in the end (delta: 37.0 MB). Peak memory consumption was 122.4 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length * 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: 558]: 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: 558]: 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 - InvariantResult [Line: 544]: Loop Invariant [2018-04-09 20:31:21,968 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-09 20:31:21,968 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-09 20:31:21,969 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-09 20:31:21,969 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-09 20:31:21,969 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-09 20:31:21,969 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-09 20:31:21,970 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-09 20:31:21,970 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-09 20:31:21,970 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-09 20:31:21,970 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-09 20:31:21,970 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-09 20:31:21,970 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-09 20:31:21,970 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 20:31:21,971 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:31:21,971 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 20:31:21,971 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:31:21,971 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:31:21,972 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 20:31:21,972 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:31:21,972 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 20:31:21,972 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:31:21,972 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 20:31:21,972 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:31:21,974 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-09 20:31:21,974 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-09 20:31:21,975 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-09 20:31:21,975 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-09 20:31:21,975 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-09 20:31:21,975 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-09 20:31:21,976 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-09 20:31:21,976 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-09 20:31:21,976 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-09 20:31:21,976 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-09 20:31:21,976 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-09 20:31:21,976 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-09 20:31:21,977 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 20:31:21,977 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:31:21,977 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 20:31:21,977 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:31:21,977 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:31:21,978 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 20:31:21,978 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:31:21,978 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 20:31:21,978 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:31:21,978 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 20:31:21,978 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: ((((((((((0 <= cp && 0 == unknown-#memory_int-unknown[str][unknown-#length-unknown[str] + -1]) && \valid[cp] == 1) && (\exists v_main_~nondetString1~0.offset_BEFORE_CALL_2 : int, main_~length1~0 : int :: ((1 <= main_~length1~0 && unknown-#memory_int-unknown[str][v_main_~nondetString1~0.offset_BEFORE_CALL_2 + main_~length1~0 + -1] == 0) && str <= v_main_~nondetString1~0.offset_BEFORE_CALL_2) && v_main_~nondetString1~0.offset_BEFORE_CALL_2 + main_~length1~0 <= unknown-#length-unknown[str])) && 0 <= str) && cp + 1 <= unknown-#length-unknown[cp]) && 1 == \valid[str]) && 0 == unknown-#memory_int-unknown[cp][unknown-#length-unknown[cp] + -1]) || !(\valid[str] == 1)) || !(\exists v_main_~nondetString1~0.offset_BEFORE_CALL_2 : int, main_~length1~0 : int :: ((str <= v_main_~nondetString1~0.offset_BEFORE_CALL_2 && 1 <= main_~length1~0) && unknown-#memory_int-unknown[str][v_main_~nondetString1~0.offset_BEFORE_CALL_2 + main_~length1~0 + -1] == 0) && v_main_~nondetString1~0.offset_BEFORE_CALL_2 + main_~length1~0 <= unknown-#length-unknown[str])) || !(unknown-#memory_int-unknown[str][unknown-#length-unknown[str] + -1] == 0)) || str < 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 66 locations, 5 error locations. SAFE Result, 6.3s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 2.4s AutomataDifference, 0.0s DeadEndRemovalTime, 1.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 515 SDtfs, 737 SDslu, 1719 SDs, 0 SdLazy, 908 SolverSat, 62 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 862 GetRequests, 702 SyntacticMatches, 7 SemanticMatches, 153 ConstructedPredicates, 12 IntricatePredicates, 0 DeprecatedPredicates, 393 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred in iteration=7, 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, 12 MinimizatonAttempts, 42 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 10 NumberOfFragments, 177 HoareAnnotationTreeSize, 7 FomulaSimplifications, 63 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 904 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 406 NumberOfCodeBlocks, 406 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 788 ConstructedInterpolants, 129 QuantifiedInterpolants, 206555 SizeOfPredicates, 66 NumberOfNonLiveVariables, 1070 ConjunctsInSsa, 147 ConjunctsInUnsatCore, 24 InterpolantComputations, 20 PerfectInterpolantSequences, 18/66 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-09_20-31-21-983.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-09_20-31-21-983.csv Received shutdown request...