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_cstrlen-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-35b68b2 [2018-04-06 19:38:10,443 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-06 19:38:10,445 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-06 19:38:10,460 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-04-06 19:38:10,489 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 [2018-04-06 19:38:10,514 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-06 19:38:10,514 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-06 19:38:10,514 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-04-06 19:38:10,514 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-04-06 19:38:10,515 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-04-06 19:38:10,515 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-04-06 19:38:10,515 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-04-06 19:38:10,516 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-04-06 19:38:10,516 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-04-06 19:38:10,516 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-04-06 19:38:10,516 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-04-06 19:38:10,516 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-04-06 19:38:10,517 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-06 19:38:10,517 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-06 19:38:10,517 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-06 19:38:10,517 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-06 19:38:10,517 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-06 19:38:10,518 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-06 19:38:10,518 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-06 19:38:10,518 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-04-06 19:38:10,518 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-06 19:38:10,518 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-06 19:38:10,518 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-06 19:38:10,519 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-04-06 19:38:10,519 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-04-06 19:38:10,519 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-06 19:38:10,519 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-06 19:38:10,519 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-06 19:38:10,520 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-06 19:38:10,520 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-06 19:38:10,520 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-04-06 19:38:10,520 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-04-06 19:38:10,520 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-06 19:38:10,520 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-04-06 19:38:10,521 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-04-06 19:38:10,522 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-04-06 19:38:10,522 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-04-06 19:38:10,522 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-04-06 19:38:10,557 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-06 19:38:10,570 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-06 19:38:10,574 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-06 19:38:10,575 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-06 19:38:10,576 INFO L276 PluginConnector]: CDTParser initialized [2018-04-06 19:38:10,576 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:10,915 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGbe3819e6b [2018-04-06 19:38:11,092 INFO L287 CDTParser]: IsIndexed: true [2018-04-06 19:38:11,092 INFO L288 CDTParser]: Found 1 translation units. [2018-04-06 19:38:11,093 INFO L168 CDTParser]: Scanning openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,105 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-06 19:38:11,105 INFO L215 ultiparseSymbolTable]: [2018-04-06 19:38:11,105 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-06 19:38:11,105 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____bswap_64 ('__bswap_64') in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,106 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,106 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____bswap_32 ('__bswap_32') in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,106 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen ('cstrlen') in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,106 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-06 19:38:11,106 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____off_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,106 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____quad_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,106 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____gid_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,106 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____ino64_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,107 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__u_long in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,107 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_barrier_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,107 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__clock_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,107 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____ino_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,107 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____uint16_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,107 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,107 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____pid_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,107 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__fd_mask in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,107 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____u_quad_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,107 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____fsid_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,107 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__ushort in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,108 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_spinlock_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,108 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__quad_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,108 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____pthread_list_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,108 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_barrierattr_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,108 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__blkcnt_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,108 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____clockid_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,108 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____u_long in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,108 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____sigset_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,108 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__sigset_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,108 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____u_int in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,109 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____syscall_slong_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,109 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____int16_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,109 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__dev_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,109 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____blkcnt_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,109 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__u_char in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,109 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__u_int16_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,109 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_cond_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,109 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____dev_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,110 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____fsblkcnt_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,110 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____blksize_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,110 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__blksize_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,110 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____int64_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,110 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_key_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,110 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____caddr_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,110 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__fd_set in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,110 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____qaddr_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,111 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____rlim64_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,111 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____useconds_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,111 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____uint8_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,111 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____key_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,111 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__loff_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,111 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__u_quad_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,111 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__mode_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,111 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__ulong in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,112 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____int8_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,112 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____clock_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,112 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__suseconds_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,112 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____daddr_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,112 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____u_short in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,112 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__int64_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,112 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____WAIT_STATUS in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,112 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_condattr_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,112 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__daddr_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,113 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____loff_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,113 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__fsid_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,113 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__int8_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,113 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__fsfilcnt_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,113 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____ssize_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,113 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__pid_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,113 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__int32_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,113 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____timer_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,113 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____fsfilcnt64_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,114 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____socklen_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,114 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____mode_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,114 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____blkcnt64_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,114 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__ldiv_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,114 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____fsfilcnt_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,114 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_mutexattr_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,114 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__u_short in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,114 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_mutex_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,114 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__ino_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,114 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__u_int64_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,114 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____time_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,114 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__gid_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,114 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__caddr_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,114 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____rlim_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,114 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__register_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,115 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_once_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,115 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____uint32_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,115 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__div_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,115 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____intptr_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,115 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__time_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,115 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_rwlock_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,115 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__size_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,115 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__off_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,115 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__int16_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,115 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____fd_mask in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,115 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____syscall_ulong_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,115 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____id_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,116 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____sig_atomic_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,116 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_attr_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,116 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__wchar_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,116 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__uid_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,116 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__lldiv_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,116 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__id_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,116 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____fsword_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,116 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____uint64_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,116 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____off64_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,116 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____suseconds_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,117 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__uint in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,117 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____fsblkcnt64_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,117 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____u_char in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,117 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__nlink_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,117 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____uid_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,117 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__ssize_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,117 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__clockid_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,117 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__timer_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,118 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____nlink_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,118 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__u_int in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,118 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__key_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,118 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__fsblkcnt_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,118 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__u_int32_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,118 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____int32_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,118 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,118 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__u_int8_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,136 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGbe3819e6b [2018-04-06 19:38:11,141 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-06 19:38:11,143 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-06 19:38:11,144 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-06 19:38:11,144 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-06 19:38:11,149 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-06 19:38:11,150 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 07:38:11" (1/1) ... [2018-04-06 19:38:11,152 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25239fc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:38:11, skipping insertion in model container [2018-04-06 19:38:11,153 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 07:38:11" (1/1) ... [2018-04-06 19:38:11,166 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-06 19:38:11,195 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-06 19:38:11,358 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-06 19:38:11,400 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-06 19:38:11,408 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-06 19:38:11,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:38:11 WrapperNode [2018-04-06 19:38:11,456 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-06 19:38:11,457 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-06 19:38:11,457 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-06 19:38:11,457 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-06 19:38:11,471 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:38:11" (1/1) ... [2018-04-06 19:38:11,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:38:11" (1/1) ... [2018-04-06 19:38:11,488 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:38:11" (1/1) ... [2018-04-06 19:38:11,488 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:38:11" (1/1) ... [2018-04-06 19:38:11,499 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:38:11" (1/1) ... [2018-04-06 19:38:11,504 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:38:11" (1/1) ... [2018-04-06 19:38:11,507 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:38:11" (1/1) ... [2018-04-06 19:38:11,511 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-06 19:38:11,512 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-06 19:38:11,512 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-06 19:38:11,512 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-06 19:38:11,514 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:38:11" (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 [2018-04-06 19:38:11,637 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-06 19:38:11,638 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-06 19:38:11,638 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-06 19:38:11,638 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-06 19:38:11,638 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen [2018-04-06 19:38:11,638 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-06 19:38:11,638 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-06 19:38:11,638 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-06 19:38:11,638 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-06 19:38:11,639 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-06 19:38:11,639 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-06 19:38:11,639 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-06 19:38:11,639 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-06 19:38:11,639 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-06 19:38:11,639 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-06 19:38:11,639 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-06 19:38:11,640 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-06 19:38:11,640 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-06 19:38:11,640 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-06 19:38:11,640 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-06 19:38:11,640 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-06 19:38:11,641 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-06 19:38:11,641 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-06 19:38:11,641 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-06 19:38:11,641 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-06 19:38:11,641 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-06 19:38:11,641 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-06 19:38:11,641 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-06 19:38:11,642 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-06 19:38:11,642 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-06 19:38:11,642 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-06 19:38:11,642 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-06 19:38:11,642 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-06 19:38:11,642 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-06 19:38:11,642 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-06 19:38:11,642 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-06 19:38:11,642 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-06 19:38:11,642 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-06 19:38:11,643 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-06 19:38:11,643 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-06 19:38:11,643 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-06 19:38:11,643 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-06 19:38:11,643 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-06 19:38:11,643 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-06 19:38:11,643 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-06 19:38:11,643 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-06 19:38:11,644 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-06 19:38:11,644 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-06 19:38:11,644 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-06 19:38:11,644 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-06 19:38:11,644 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-06 19:38:11,644 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-06 19:38:11,644 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-06 19:38:11,644 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-06 19:38:11,644 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-06 19:38:11,645 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-06 19:38:11,645 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-06 19:38:11,645 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-06 19:38:11,645 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-06 19:38:11,645 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-06 19:38:11,645 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-06 19:38:11,645 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-06 19:38:11,645 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-06 19:38:11,645 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-06 19:38:11,645 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-06 19:38:11,645 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-06 19:38:11,645 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-06 19:38:11,645 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-06 19:38:11,646 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-06 19:38:11,646 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-06 19:38:11,646 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-06 19:38:11,646 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-06 19:38:11,646 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-06 19:38:11,646 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-06 19:38:11,646 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-06 19:38:11,646 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-06 19:38:11,646 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-06 19:38:11,646 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-06 19:38:11,646 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-06 19:38:11,646 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-06 19:38:11,646 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-06 19:38:11,647 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-06 19:38:11,647 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-06 19:38:11,647 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-06 19:38:11,647 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-06 19:38:11,647 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-06 19:38:11,647 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-06 19:38:11,647 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-06 19:38:11,647 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-06 19:38:11,647 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-06 19:38:11,648 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-06 19:38:11,648 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-06 19:38:11,648 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-06 19:38:11,648 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-06 19:38:11,648 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-06 19:38:11,648 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-06 19:38:11,648 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-06 19:38:11,649 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-06 19:38:11,649 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-06 19:38:11,649 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-06 19:38:11,649 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-06 19:38:11,649 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-06 19:38:11,649 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-06 19:38:11,649 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-06 19:38:11,650 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-06 19:38:11,650 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-06 19:38:11,650 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-06 19:38:11,650 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-06 19:38:11,650 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-06 19:38:11,650 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen [2018-04-06 19:38:11,650 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-06 19:38:11,650 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-06 19:38:11,651 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-06 19:38:11,651 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-06 19:38:11,651 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-06 19:38:11,651 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-06 19:38:11,651 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-06 19:38:11,651 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-06 19:38:11,963 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-06 19:38:11,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 07:38:11 BoogieIcfgContainer [2018-04-06 19:38:11,963 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-06 19:38:11,964 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-06 19:38:11,964 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-06 19:38:11,966 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-06 19:38:11,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.04 07:38:11" (1/3) ... [2018-04-06 19:38:11,967 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@753b5c26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 07:38:11, skipping insertion in model container [2018-04-06 19:38:11,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:38:11" (2/3) ... [2018-04-06 19:38:11,967 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@753b5c26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 07:38:11, skipping insertion in model container [2018-04-06 19:38:11,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 07:38:11" (3/3) ... [2018-04-06 19:38:11,969 INFO L107 eAbstractionObserver]: Analyzing ICFG openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:38:11,975 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-06 19:38:11,981 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2018-04-06 19:38:12,015 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-06 19:38:12,015 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-06 19:38:12,016 INFO L370 AbstractCegarLoop]: Hoare is true [2018-04-06 19:38:12,016 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-06 19:38:12,016 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-06 19:38:12,016 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-06 19:38:12,016 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-06 19:38:12,016 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-06 19:38:12,016 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-06 19:38:12,017 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-06 19:38:12,030 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2018-04-06 19:38:12,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-06 19:38:12,037 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 19:38:12,038 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-06 19:38:12,038 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlenErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-06 19:38:12,044 INFO L82 PathProgramCache]: Analyzing trace with hash 830222213, 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 [2018-04-06 19:38:12,060 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 19:38:12,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 19:38:12,090 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 19:38:12,127 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 [2018-04-06 19:38:12,128 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 19:38:12,134 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:38:12,134 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-06 19:38:12,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:38:12,146 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 19:38:12,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:38:12,176 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 19:38:12,177 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-06 19:38:12,178 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-06 19:38:12,188 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-06 19:38:12,189 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-06 19:38:12,191 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 4 states. [2018-04-06 19:38:12,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 19:38:12,271 INFO L93 Difference]: Finished difference Result 54 states and 55 transitions. [2018-04-06 19:38:12,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-06 19:38:12,273 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-04-06 19:38:12,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 19:38:12,283 INFO L225 Difference]: With dead ends: 54 [2018-04-06 19:38:12,284 INFO L226 Difference]: Without dead ends: 38 [2018-04-06 19:38:12,286 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-06 19:38:12,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-04-06 19:38:12,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2018-04-06 19:38:12,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-04-06 19:38:12,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 39 transitions. [2018-04-06 19:38:12,324 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 39 transitions. Word has length 13 [2018-04-06 19:38:12,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 19:38:12,325 INFO L459 AbstractCegarLoop]: Abstraction has 38 states and 39 transitions. [2018-04-06 19:38:12,325 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-06 19:38:12,325 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 39 transitions. [2018-04-06 19:38:12,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-06 19:38:12,326 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 19:38:12,326 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-06 19:38:12,326 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlenErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-06 19:38:12,326 INFO L82 PathProgramCache]: Analyzing trace with hash 830222214, 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 [2018-04-06 19:38:12,332 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 19:38:12,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 19:38:12,345 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 19:38:12,361 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 [2018-04-06 19:38:12,362 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 19:38:12,367 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:38:12,367 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-04-06 19:38:12,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:38:12,388 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 19:38:12,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:38:12,445 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 19:38:12,445 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2018-04-06 19:38:12,447 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-06 19:38:12,447 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-06 19:38:12,447 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-04-06 19:38:12,447 INFO L87 Difference]: Start difference. First operand 38 states and 39 transitions. Second operand 7 states. [2018-04-06 19:38:12,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 19:38:12,512 INFO L93 Difference]: Finished difference Result 38 states and 39 transitions. [2018-04-06 19:38:12,512 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-06 19:38:12,512 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2018-04-06 19:38:12,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 19:38:12,513 INFO L225 Difference]: With dead ends: 38 [2018-04-06 19:38:12,513 INFO L226 Difference]: Without dead ends: 37 [2018-04-06 19:38:12,514 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-04-06 19:38:12,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-04-06 19:38:12,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-04-06 19:38:12,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-04-06 19:38:12,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 38 transitions. [2018-04-06 19:38:12,519 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 38 transitions. Word has length 13 [2018-04-06 19:38:12,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 19:38:12,519 INFO L459 AbstractCegarLoop]: Abstraction has 37 states and 38 transitions. [2018-04-06 19:38:12,519 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-06 19:38:12,519 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2018-04-06 19:38:12,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-06 19:38:12,520 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 19:38:12,520 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-06 19:38:12,520 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlenErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-06 19:38:12,520 INFO L82 PathProgramCache]: Analyzing trace with hash 465631114, 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 [2018-04-06 19:38:12,526 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 19:38:12,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 19:38:12,545 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 19:38:12,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:38:12,585 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 19:38:12,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:38:12,620 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 19:38:12,621 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2018-04-06 19:38:12,621 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-06 19:38:12,621 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-06 19:38:12,622 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-06 19:38:12,622 INFO L87 Difference]: Start difference. First operand 37 states and 38 transitions. Second operand 6 states. [2018-04-06 19:38:12,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 19:38:12,721 INFO L93 Difference]: Finished difference Result 37 states and 38 transitions. [2018-04-06 19:38:12,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-06 19:38:12,721 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2018-04-06 19:38:12,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 19:38:12,722 INFO L225 Difference]: With dead ends: 37 [2018-04-06 19:38:12,722 INFO L226 Difference]: Without dead ends: 36 [2018-04-06 19:38:12,722 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-04-06 19:38:12,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-04-06 19:38:12,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2018-04-06 19:38:12,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-04-06 19:38:12,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 37 transitions. [2018-04-06 19:38:12,727 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 37 transitions. Word has length 19 [2018-04-06 19:38:12,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 19:38:12,728 INFO L459 AbstractCegarLoop]: Abstraction has 36 states and 37 transitions. [2018-04-06 19:38:12,728 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-06 19:38:12,728 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2018-04-06 19:38:12,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-06 19:38:12,728 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 19:38:12,729 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-06 19:38:12,729 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlenErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-06 19:38:12,729 INFO L82 PathProgramCache]: Analyzing trace with hash 465631115, 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 [2018-04-06 19:38:12,738 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 19:38:12,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 19:38:12,754 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 19:38:12,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:38:12,886 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 19:38:12,898 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 [2018-04-06 19:38:12,900 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 19:38:12,923 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 [2018-04-06 19:38:12,924 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 19:38:12,928 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-06 19:38:12,928 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2018-04-06 19:38:12,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:38:12,970 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 19:38:12,971 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2018-04-06 19:38:12,971 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-06 19:38:12,971 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-06 19:38:12,971 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-04-06 19:38:12,972 INFO L87 Difference]: Start difference. First operand 36 states and 37 transitions. Second operand 9 states. [2018-04-06 19:38:13,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 19:38:13,100 INFO L93 Difference]: Finished difference Result 39 states and 40 transitions. [2018-04-06 19:38:13,100 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-06 19:38:13,100 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2018-04-06 19:38:13,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 19:38:13,101 INFO L225 Difference]: With dead ends: 39 [2018-04-06 19:38:13,101 INFO L226 Difference]: Without dead ends: 38 [2018-04-06 19:38:13,101 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 28 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2018-04-06 19:38:13,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-04-06 19:38:13,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2018-04-06 19:38:13,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-04-06 19:38:13,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 39 transitions. [2018-04-06 19:38:13,105 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 39 transitions. Word has length 19 [2018-04-06 19:38:13,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 19:38:13,105 INFO L459 AbstractCegarLoop]: Abstraction has 38 states and 39 transitions. [2018-04-06 19:38:13,106 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-06 19:38:13,106 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 39 transitions. [2018-04-06 19:38:13,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-04-06 19:38:13,106 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 19:38:13,106 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-06 19:38:13,107 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlenErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-06 19:38:13,107 INFO L82 PathProgramCache]: Analyzing trace with hash 1203494093, 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 [2018-04-06 19:38:13,112 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 19:38:13,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 19:38:13,129 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 19:38:13,164 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 [2018-04-06 19:38:13,166 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 [2018-04-06 19:38:13,167 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 19:38:13,174 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:38:13,180 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. [2018-04-06 19:38:13,180 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:21 [2018-04-06 19:38:13,240 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 [2018-04-06 19:38:13,246 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 [2018-04-06 19:38:13,247 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-06 19:38:13,250 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-06 19:38:13,261 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-06 19:38:13,262 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:34, output treesize:33 [2018-04-06 19:38:13,353 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:38:13,353 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 19:38:13,513 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 [2018-04-06 19:38:13,515 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 19:38:13,522 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 [2018-04-06 19:38:13,533 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 [2018-04-06 19:38:13,533 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-06 19:38:13,535 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:38:13,541 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. [2018-04-06 19:38:13,541 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:35, output treesize:7 [2018-04-06 19:38:13,548 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:38:13,569 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-06 19:38:13,569 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2018-04-06 19:38:13,569 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-06 19:38:13,570 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-06 19:38:13,570 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2018-04-06 19:38:13,570 INFO L87 Difference]: Start difference. First operand 38 states and 39 transitions. Second operand 17 states. [2018-04-06 19:38:14,271 WARN L151 SmtUtils]: Spent 106ms on a formula simplification. DAG size of input: 46 DAG size of output 44 [2018-04-06 19:38:14,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 19:38:14,818 INFO L93 Difference]: Finished difference Result 64 states and 66 transitions. [2018-04-06 19:38:14,818 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-06 19:38:14,818 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 26 [2018-04-06 19:38:14,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 19:38:14,821 INFO L225 Difference]: With dead ends: 64 [2018-04-06 19:38:14,821 INFO L226 Difference]: Without dead ends: 63 [2018-04-06 19:38:14,822 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=160, Invalid=596, Unknown=0, NotChecked=0, Total=756 [2018-04-06 19:38:14,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-04-06 19:38:14,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 45. [2018-04-06 19:38:14,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-04-06 19:38:14,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 47 transitions. [2018-04-06 19:38:14,829 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 47 transitions. Word has length 26 [2018-04-06 19:38:14,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 19:38:14,829 INFO L459 AbstractCegarLoop]: Abstraction has 45 states and 47 transitions. [2018-04-06 19:38:14,829 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-06 19:38:14,829 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 47 transitions. [2018-04-06 19:38:14,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-04-06 19:38:14,830 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 19:38:14,830 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] [2018-04-06 19:38:14,831 INFO L408 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlenErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-06 19:38:14,831 INFO L82 PathProgramCache]: Analyzing trace with hash -504507130, 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 [2018-04-06 19:38:14,836 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 19:38:14,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 19:38:14,853 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 19:38:14,865 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 19:38:14,866 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 [2018-04-06 19:38:14,866 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 19:38:14,868 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. [2018-04-06 19:38:14,868 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-04-06 19:38:14,888 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc5.base| Int)) (and (= |c_#valid| (store |c_old(#valid)| |main_#t~malloc5.base| 0)) (= 0 (select |c_old(#valid)| |main_#t~malloc5.base|)))) is different from true [2018-04-06 19:38:14,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:38:14,892 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 19:38:14,908 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc5.base_10| Int)) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc5.base_10|))) (= (store |c_#valid| |v_main_#t~malloc5.base_10| 0) |c_old(#valid)|))) is different from false [2018-04-06 19:38:14,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:38:14,945 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 19:38:14,946 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 7 [2018-04-06 19:38:14,946 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-06 19:38:14,946 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-06 19:38:14,946 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=21, Unknown=2, NotChecked=18, Total=56 [2018-04-06 19:38:14,947 INFO L87 Difference]: Start difference. First operand 45 states and 47 transitions. Second operand 8 states. [2018-04-06 19:38:14,953 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc5.base_10| Int)) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc5.base_10|))) (= (store |c_#valid| |v_main_#t~malloc5.base_10| 0) |c_old(#valid)|)))) is different from false [2018-04-06 19:38:15,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 19:38:15,015 INFO L93 Difference]: Finished difference Result 55 states and 57 transitions. [2018-04-06 19:38:15,015 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-06 19:38:15,015 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 29 [2018-04-06 19:38:15,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 19:38:15,017 INFO L225 Difference]: With dead ends: 55 [2018-04-06 19:38:15,017 INFO L226 Difference]: Without dead ends: 49 [2018-04-06 19:38:15,017 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 51 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=52, Unknown=3, NotChecked=48, Total=132 [2018-04-06 19:38:15,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-04-06 19:38:15,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-04-06 19:38:15,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-04-06 19:38:15,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 51 transitions. [2018-04-06 19:38:15,028 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 51 transitions. Word has length 29 [2018-04-06 19:38:15,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 19:38:15,028 INFO L459 AbstractCegarLoop]: Abstraction has 49 states and 51 transitions. [2018-04-06 19:38:15,029 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-06 19:38:15,029 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 51 transitions. [2018-04-06 19:38:15,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-06 19:38:15,030 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 19:38:15,030 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] [2018-04-06 19:38:15,030 INFO L408 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlenErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-06 19:38:15,030 INFO L82 PathProgramCache]: Analyzing trace with hash -1595510094, 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 [2018-04-06 19:38:15,036 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 19:38:15,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 19:38:15,051 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 19:38:15,074 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 19:38:15,075 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 [2018-04-06 19:38:15,075 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 19:38:15,076 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. [2018-04-06 19:38:15,077 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-04-06 19:38:15,092 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc5.base| Int)) (and (= |c_#valid| (store |c_old(#valid)| |main_#t~malloc5.base| 0)) (= 0 (select |c_old(#valid)| |main_#t~malloc5.base|)))) is different from true [2018-04-06 19:38:15,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:38:15,095 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 19:38:15,109 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc5.base_12| Int)) (or (not (= (select |c_#valid| |v_main_#t~malloc5.base_12|) 0)) (= |c_old(#valid)| (store |c_#valid| |v_main_#t~malloc5.base_12| 0)))) is different from false [2018-04-06 19:38:15,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:38:15,152 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 19:38:15,153 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 7 [2018-04-06 19:38:15,153 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-06 19:38:15,153 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-06 19:38:15,153 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=21, Unknown=2, NotChecked=18, Total=56 [2018-04-06 19:38:15,153 INFO L87 Difference]: Start difference. First operand 49 states and 51 transitions. Second operand 8 states. [2018-04-06 19:38:15,162 WARN L1011 $PredicateComparison]: unable to prove that (and (forall ((|v_main_#t~malloc5.base_12| Int)) (or (not (= (select |c_#valid| |v_main_#t~malloc5.base_12|) 0)) (= |c_old(#valid)| (store |c_#valid| |v_main_#t~malloc5.base_12| 0)))) (= |c_#valid| |c_old(#valid)|)) is different from false [2018-04-06 19:38:15,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 19:38:15,239 INFO L93 Difference]: Finished difference Result 49 states and 51 transitions. [2018-04-06 19:38:15,240 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-06 19:38:15,240 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 30 [2018-04-06 19:38:15,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 19:38:15,240 INFO L225 Difference]: With dead ends: 49 [2018-04-06 19:38:15,240 INFO L226 Difference]: Without dead ends: 39 [2018-04-06 19:38:15,241 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 53 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=52, Unknown=3, NotChecked=48, Total=132 [2018-04-06 19:38:15,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-04-06 19:38:15,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 35. [2018-04-06 19:38:15,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-04-06 19:38:15,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 36 transitions. [2018-04-06 19:38:15,247 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 36 transitions. Word has length 30 [2018-04-06 19:38:15,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 19:38:15,247 INFO L459 AbstractCegarLoop]: Abstraction has 35 states and 36 transitions. [2018-04-06 19:38:15,247 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-06 19:38:15,247 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2018-04-06 19:38:15,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-04-06 19:38:15,248 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 19:38:15,248 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-06 19:38:15,248 INFO L408 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlenErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-06 19:38:15,248 INFO L82 PathProgramCache]: Analyzing trace with hash -1011685045, now seen corresponding path program 2 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 [2018-04-06 19:38:15,261 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 19:38:15,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 19:38:15,280 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 19:38:15,300 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 [2018-04-06 19:38:15,301 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 19:38:15,312 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:38:15,312 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-06 19:38:15,329 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 [2018-04-06 19:38:15,332 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 [2018-04-06 19:38:15,333 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 19:38:15,334 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:38:15,335 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:38:15,336 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:15, output treesize:11 [2018-04-06 19:38:15,399 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 [2018-04-06 19:38:15,409 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 [2018-04-06 19:38:15,409 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-06 19:38:15,415 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-06 19:38:15,424 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-06 19:38:15,424 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:29, output treesize:34 [2018-04-06 19:38:15,507 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:38:15,508 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 19:38:15,776 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 [2018-04-06 19:38:15,786 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 [2018-04-06 19:38:15,786 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 19:38:15,787 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:38:15,794 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-06 19:38:15,794 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:31, output treesize:35 [2018-04-06 19:38:15,865 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:38:15,898 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-06 19:38:15,899 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2018-04-06 19:38:15,899 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-04-06 19:38:15,899 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-04-06 19:38:15,900 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=482, Unknown=0, NotChecked=0, Total=552 [2018-04-06 19:38:15,900 INFO L87 Difference]: Start difference. First operand 35 states and 36 transitions. Second operand 24 states. [2018-04-06 19:38:16,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 19:38:16,379 INFO L93 Difference]: Finished difference Result 39 states and 40 transitions. [2018-04-06 19:38:16,379 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-06 19:38:16,379 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 33 [2018-04-06 19:38:16,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 19:38:16,379 INFO L225 Difference]: With dead ends: 39 [2018-04-06 19:38:16,379 INFO L226 Difference]: Without dead ends: 0 [2018-04-06 19:38:16,380 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=255, Invalid=1005, Unknown=0, NotChecked=0, Total=1260 [2018-04-06 19:38:16,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-06 19:38:16,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-06 19:38:16,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-06 19:38:16,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-06 19:38:16,381 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2018-04-06 19:38:16,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 19:38:16,381 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-06 19:38:16,382 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-04-06 19:38:16,382 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-06 19:38:16,382 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-06 19:38:16,385 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-04-06 19:38:16,756 WARN L151 SmtUtils]: Spent 218ms on a formula simplification. DAG size of input: 98 DAG size of output 57 [2018-04-06 19:38:16,815 INFO L416 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-04-06 19:38:16,815 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-04-06 19:38:16,815 INFO L412 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-04-06 19:38:16,815 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-04-06 19:38:16,815 INFO L416 ceAbstractionStarter]: For program point L59(line 59) no Hoare annotation was computed. [2018-04-06 19:38:16,815 INFO L416 ceAbstractionStarter]: For program point L59'(line 59) no Hoare annotation was computed. [2018-04-06 19:38:16,815 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____bswap_32EXIT(lines 56 60) no Hoare annotation was computed. [2018-04-06 19:38:16,815 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____bswap_32ENTRY(lines 56 60) no Hoare annotation was computed. [2018-04-06 19:38:16,816 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____bswap_32FINAL(lines 56 60) no Hoare annotation was computed. [2018-04-06 19:38:16,816 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____bswap_64EXIT(lines 61 65) no Hoare annotation was computed. [2018-04-06 19:38:16,816 INFO L416 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-04-06 19:38:16,816 INFO L416 ceAbstractionStarter]: For program point L64'(line 64) no Hoare annotation was computed. [2018-04-06 19:38:16,816 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____bswap_64ENTRY(lines 61 65) no Hoare annotation was computed. [2018-04-06 19:38:16,816 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____bswap_64FINAL(lines 61 65) no Hoare annotation was computed. [2018-04-06 19:38:16,816 INFO L416 ceAbstractionStarter]: For program point L544'''(line 544) no Hoare annotation was computed. [2018-04-06 19:38:16,817 INFO L412 ceAbstractionStarter]: At program point L544'''''''''(lines 544 545) the Hoare annotation is: (let ((.cse1 (select |#length| |__U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_#in~str.base|))) (or (let ((.cse0 (select |#length| __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~str.base))) (and (= 1 (select |#valid| __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~s~0.base)) (= (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~str.base) (+ .cse0 (- 1))) 0) (= (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~s~0.base) (+ (select |#length| __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~s~0.base) (- 1))) 0) (<= 0 __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~s~0.offset) (= (select |#valid| __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~str.base) 1) (<= 0 __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~str.offset) (exists ((v_main_~nondetString1~0.offset_BEFORE_CALL_2 Int) (main_~length1~0 Int)) (and (= (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~s~0.base) (+ v_main_~nondetString1~0.offset_BEFORE_CALL_2 main_~length1~0 (- 1))) 0) (<= 1 main_~length1~0) (<= (+ v_main_~nondetString1~0.offset_BEFORE_CALL_2 main_~length1~0) (select |#length| __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~s~0.base)) (<= __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~s~0.offset v_main_~nondetString1~0.offset_BEFORE_CALL_2))) (<= (+ __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~str.offset 1) .cse0))) (< |__U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_#in~str.offset| 0) (not (= (select |#valid| |__U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_#in~str.base|) 1)) (< .cse1 (+ |__U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_#in~str.offset| 1)) (not (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_#in~str.base|) (+ .cse1 (- 1))))))) [2018-04-06 19:38:16,817 INFO L416 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-04-06 19:38:16,817 INFO L416 ceAbstractionStarter]: For program point L543(line 543) no Hoare annotation was computed. [2018-04-06 19:38:16,817 INFO L416 ceAbstractionStarter]: For program point L544''''''''''(lines 544 545) no Hoare annotation was computed. [2018-04-06 19:38:16,817 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlenEXIT(lines 540 547) no Hoare annotation was computed. [2018-04-06 19:38:16,817 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlenFINAL(lines 540 547) no Hoare annotation was computed. [2018-04-06 19:38:16,817 INFO L416 ceAbstractionStarter]: For program point L544'(line 544) no Hoare annotation was computed. [2018-04-06 19:38:16,817 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlenErr0RequiresViolation(line 544) no Hoare annotation was computed. [2018-04-06 19:38:16,817 INFO L416 ceAbstractionStarter]: For program point L544''''''''(line 544) no Hoare annotation was computed. [2018-04-06 19:38:16,817 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlenErr1RequiresViolation(line 544) no Hoare annotation was computed. [2018-04-06 19:38:16,817 INFO L416 ceAbstractionStarter]: For program point L544'''''''(line 544) no Hoare annotation was computed. [2018-04-06 19:38:16,817 INFO L416 ceAbstractionStarter]: For program point L544''''''(lines 544 545) no Hoare annotation was computed. [2018-04-06 19:38:16,817 INFO L419 ceAbstractionStarter]: At program point __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlenENTRY(lines 540 547) the Hoare annotation is: true [2018-04-06 19:38:16,818 INFO L416 ceAbstractionStarter]: For program point L544'''''(line 544) no Hoare annotation was computed. [2018-04-06 19:38:16,818 INFO L416 ceAbstractionStarter]: For program point L544''(lines 544 545) no Hoare annotation was computed. [2018-04-06 19:38:16,818 INFO L419 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-04-06 19:38:16,818 INFO L419 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-04-06 19:38:16,818 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-04-06 19:38:16,818 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-04-06 19:38:16,818 INFO L416 ceAbstractionStarter]: For program point mainErr1RequiresViolation(line 554) no Hoare annotation was computed. [2018-04-06 19:38:16,818 INFO L416 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-04-06 19:38:16,818 INFO L416 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-04-06 19:38:16,818 INFO L416 ceAbstractionStarter]: For program point L550(lines 550 552) no Hoare annotation was computed. [2018-04-06 19:38:16,818 INFO L416 ceAbstractionStarter]: For program point L553'(line 553) no Hoare annotation was computed. [2018-04-06 19:38:16,818 INFO L416 ceAbstractionStarter]: For program point mainFINAL(lines 548 556) no Hoare annotation was computed. [2018-04-06 19:38:16,818 INFO L416 ceAbstractionStarter]: For program point mainErr2EnsuresViolationMEMORY_LEAK(lines 548 556) no Hoare annotation was computed. [2018-04-06 19:38:16,818 INFO L416 ceAbstractionStarter]: For program point L555(line 555) no Hoare annotation was computed. [2018-04-06 19:38:16,818 INFO L416 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-04-06 19:38:16,819 INFO L416 ceAbstractionStarter]: For program point L549(line 549) no Hoare annotation was computed. [2018-04-06 19:38:16,819 INFO L416 ceAbstractionStarter]: For program point mainErr0RequiresViolation(line 554) no Hoare annotation was computed. [2018-04-06 19:38:16,819 INFO L416 ceAbstractionStarter]: For program point mainEXIT(lines 548 556) no Hoare annotation was computed. [2018-04-06 19:38:16,819 INFO L412 ceAbstractionStarter]: At program point mainENTRY(lines 548 556) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-04-06 19:38:16,819 INFO L416 ceAbstractionStarter]: For program point L553''(line 553) no Hoare annotation was computed. [2018-04-06 19:38:16,819 INFO L416 ceAbstractionStarter]: For program point L550''(lines 550 552) no Hoare annotation was computed. [2018-04-06 19:38:16,819 INFO L412 ceAbstractionStarter]: At program point L554'(line 554) the Hoare annotation is: (let ((.cse0 (select |#length| main_~nondetString1~0.base))) (and (= 0 |main_#t~malloc5.offset|) (= 0 main_~nondetString1~0.offset) (= .cse0 main_~length1~0) (<= 1 main_~length1~0) (= 0 (select |old(#valid)| |main_#t~malloc5.base|)) (= 1 (select |#valid| main_~nondetString1~0.base)) (= (select |#length| |main_#t~malloc5.base|) main_~length1~0) (= |#valid| (store |old(#valid)| |main_#t~malloc5.base| 1)) (= 0 (select (select |#memory_int| main_~nondetString1~0.base) (+ .cse0 (- 1)))))) [2018-04-06 19:38:16,819 INFO L416 ceAbstractionStarter]: For program point L555'(line 555) no Hoare annotation was computed. [2018-04-06 19:38:16,819 INFO L416 ceAbstractionStarter]: For program point L549'(line 549) no Hoare annotation was computed. [2018-04-06 19:38:16,824 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-06 19:38:16,825 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-06 19:38:16,826 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-06 19:38:16,826 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-06 19:38:16,826 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-06 19:38:16,826 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-06 19:38:16,829 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:38:16,829 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:38:16,829 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:38:16,830 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:38:16,830 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:38:16,830 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:38:16,830 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:38:16,831 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:38:16,831 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:38:16,831 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:38:16,835 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-06 19:38:16,835 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-06 19:38:16,836 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-06 19:38:16,836 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-06 19:38:16,836 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-06 19:38:16,836 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-06 19:38:16,837 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:38:16,837 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:38:16,837 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:38:16,837 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:38:16,838 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:38:16,838 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:38:16,838 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:38:16,838 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:38:16,839 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:38:16,839 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:38:16,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.04 07:38:16 BoogieIcfgContainer [2018-04-06 19:38:16,842 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-06 19:38:16,843 INFO L168 Benchmark]: Toolchain (without parser) took 5701.51 ms. Allocated memory was 299.4 MB in the beginning and 512.8 MB in the end (delta: 213.4 MB). Free memory was 236.6 MB in the beginning and 339.9 MB in the end (delta: -103.4 MB). Peak memory consumption was 110.0 MB. Max. memory is 5.3 GB. [2018-04-06 19:38:16,845 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 299.4 MB. Free memory is still 262.0 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-06 19:38:16,845 INFO L168 Benchmark]: CACSL2BoogieTranslator took 312.14 ms. Allocated memory is still 299.4 MB. Free memory was 236.6 MB in the beginning and 212.4 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 5.3 GB. [2018-04-06 19:38:16,845 INFO L168 Benchmark]: Boogie Preprocessor took 55.15 ms. Allocated memory is still 299.4 MB. Free memory was 212.4 MB in the beginning and 210.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-04-06 19:38:16,846 INFO L168 Benchmark]: RCFGBuilder took 451.16 ms. Allocated memory was 299.4 MB in the beginning and 455.6 MB in the end (delta: 156.2 MB). Free memory was 210.4 MB in the beginning and 396.5 MB in the end (delta: -186.1 MB). Peak memory consumption was 20.6 MB. Max. memory is 5.3 GB. [2018-04-06 19:38:16,847 INFO L168 Benchmark]: TraceAbstraction took 4878.23 ms. Allocated memory was 455.6 MB in the beginning and 512.8 MB in the end (delta: 57.1 MB). Free memory was 395.1 MB in the beginning and 339.9 MB in the end (delta: 55.2 MB). Peak memory consumption was 112.3 MB. Max. memory is 5.3 GB. [2018-04-06 19:38:16,849 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 299.4 MB. Free memory is still 262.0 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 312.14 ms. Allocated memory is still 299.4 MB. Free memory was 236.6 MB in the beginning and 212.4 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 55.15 ms. Allocated memory is still 299.4 MB. Free memory was 212.4 MB in the beginning and 210.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 451.16 ms. Allocated memory was 299.4 MB in the beginning and 455.6 MB in the end (delta: 156.2 MB). Free memory was 210.4 MB in the beginning and 396.5 MB in the end (delta: -186.1 MB). Peak memory consumption was 20.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 4878.23 ms. Allocated memory was 455.6 MB in the beginning and 512.8 MB in the end (delta: 57.1 MB). Free memory was 395.1 MB in the beginning and 339.9 MB in the end (delta: 55.2 MB). Peak memory consumption was 112.3 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[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[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] * 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 #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - 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 #length - 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: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 544]: Loop Invariant [2018-04-06 19:38:16,857 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-06 19:38:16,857 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-06 19:38:16,857 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-06 19:38:16,857 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-06 19:38:16,858 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-06 19:38:16,858 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-06 19:38:16,858 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:38:16,858 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:38:16,859 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:38:16,859 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:38:16,859 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:38:16,859 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:38:16,860 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:38:16,860 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:38:16,860 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:38:16,860 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:38:16,862 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-06 19:38:16,862 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-06 19:38:16,862 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-06 19:38:16,862 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-06 19:38:16,863 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-06 19:38:16,863 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-06 19:38:16,863 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:38:16,863 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:38:16,864 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:38:16,864 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:38:16,864 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:38:16,864 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:38:16,864 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:38:16,865 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:38:16,865 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:38:16,865 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: ((((((((((1 == \valid[s] && unknown-#memory_int-unknown[str][unknown-#length-unknown[str] + -1] == 0) && unknown-#memory_int-unknown[s][unknown-#length-unknown[s] + -1] == 0) && 0 <= s) && \valid[str] == 1) && 0 <= str) && (\exists v_main_~nondetString1~0.offset_BEFORE_CALL_2 : int, main_~length1~0 : int :: ((unknown-#memory_int-unknown[s][v_main_~nondetString1~0.offset_BEFORE_CALL_2 + main_~length1~0 + -1] == 0 && 1 <= main_~length1~0) && v_main_~nondetString1~0.offset_BEFORE_CALL_2 + main_~length1~0 <= unknown-#length-unknown[s]) && s <= v_main_~nondetString1~0.offset_BEFORE_CALL_2)) && str + 1 <= unknown-#length-unknown[str]) || str < 0) || !(\valid[str] == 1)) || unknown-#length-unknown[str] < str + 1) || !(0 == unknown-#memory_int-unknown[str][unknown-#length-unknown[str] + -1]) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 52 locations, 5 error locations. SAFE Result, 4.8s OverallTime, 8 OverallIterations, 3 TraceHistogramMax, 2.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 236 SDtfs, 409 SDslu, 831 SDs, 0 SdLazy, 600 SolverSat, 59 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 398 GetRequests, 286 SyntacticMatches, 5 SemanticMatches, 107 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 258 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 22 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 9 NumberOfFragments, 159 HoareAnnotationTreeSize, 7 FomulaSimplifications, 26 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 715 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 182 NumberOfCodeBlocks, 182 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 348 ConstructedInterpolants, 55 QuantifiedInterpolants, 66798 SizeOfPredicates, 44 NumberOfNonLiveVariables, 580 ConjunctsInSsa, 103 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 2/26 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_cstrlen-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-06_19-38-16-871.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-06_19-38-16-871.csv Received shutdown request...