java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/array-memsafety/openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-453dfda-m [2018-04-09 20:22:20,332 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-09 20:22:20,334 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-09 20:22:20,349 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-04-09 20:22:20,379 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf [2018-04-09 20:22:20,404 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-09 20:22:20,404 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-09 20:22:20,404 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-04-09 20:22:20,405 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-04-09 20:22:20,405 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-04-09 20:22:20,406 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-04-09 20:22:20,406 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-04-09 20:22:20,406 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-04-09 20:22:20,406 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-04-09 20:22:20,406 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-04-09 20:22:20,407 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-04-09 20:22:20,407 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-04-09 20:22:20,407 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-09 20:22:20,407 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-09 20:22:20,407 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-09 20:22:20,408 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-09 20:22:20,408 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-09 20:22:20,408 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-09 20:22:20,408 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-09 20:22:20,408 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-04-09 20:22:20,409 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-09 20:22:20,409 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-09 20:22:20,409 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-09 20:22:20,409 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-04-09 20:22:20,409 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-04-09 20:22:20,410 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-09 20:22:20,410 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-09 20:22:20,410 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-09 20:22:20,410 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-09 20:22:20,410 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-09 20:22:20,410 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-04-09 20:22:20,411 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-04-09 20:22:20,411 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:22:20,411 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-04-09 20:22:20,412 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-04-09 20:22:20,412 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-04-09 20:22:20,412 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-04-09 20:22:20,412 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-04-09 20:22:20,448 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-09 20:22:20,461 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-09 20:22:20,465 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-09 20:22:20,467 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-09 20:22:20,467 INFO L276 PluginConnector]: CDTParser initialized [2018-04-09 20:22:20,468 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,787 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGc85037253 [2018-04-09 20:22:20,967 INFO L287 CDTParser]: IsIndexed: true [2018-04-09 20:22:20,967 INFO L288 CDTParser]: Found 1 translation units. [2018-04-09 20:22:20,968 INFO L168 CDTParser]: Scanning openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,979 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-09 20:22:20,980 INFO L215 ultiparseSymbolTable]: [2018-04-09 20:22:20,980 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-09 20:22:20,980 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____bswap_64 ('__bswap_64') in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,980 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____bswap_32 ('__bswap_32') in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,980 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpy ('cstrcpy') in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,980 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,980 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-09 20:22:20,981 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__fd_set in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,981 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_rwlock_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,981 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__uid_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,981 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____id_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,981 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__lldiv_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,981 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____rlim64_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,981 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____syscall_ulong_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,981 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__blksize_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,982 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____qaddr_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,982 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____blksize_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,982 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__fsblkcnt_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,982 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____uint32_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,982 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____caddr_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,982 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__time_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,982 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__div_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,982 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____int32_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,983 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____dev_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,983 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____fsblkcnt_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,983 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__int16_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,983 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_key_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,983 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__sigset_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,983 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____u_short in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,983 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__mode_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,983 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__ulong in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,984 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____u_long in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,984 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__caddr_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,984 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__ino_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,984 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__clock_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,984 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____uint16_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,984 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__daddr_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,984 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____fsid_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,984 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__ldiv_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,985 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____fsfilcnt64_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,985 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__u_long in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,985 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__pid_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,985 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____syscall_slong_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,985 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____int8_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,985 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____loff_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,985 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__int64_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,985 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__fsid_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,986 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_barrierattr_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,986 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__register_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,986 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____clock_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,986 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_mutex_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,986 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____WAIT_STATUS in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,986 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____time_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,986 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____uint8_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,986 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____daddr_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,987 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____key_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,987 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__ushort in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,987 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__int8_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,987 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____fsfilcnt_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,987 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__u_quad_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,987 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__loff_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,987 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__u_int64_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,987 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__wchar_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,987 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__uint in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,988 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__nlink_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,988 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,988 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____int64_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,988 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____useconds_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,988 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__id_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,988 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__dev_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,988 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_condattr_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,988 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_attr_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,988 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____sig_atomic_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,989 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__u_int8_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,989 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____u_int in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,989 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____fd_mask in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,989 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__quad_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,989 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____clockid_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,989 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__clockid_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,989 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____blkcnt_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,989 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_cond_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,989 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____sigset_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,990 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__u_int16_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,990 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__ssize_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,990 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__suseconds_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,990 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_once_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,990 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____fsword_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,990 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_spinlock_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,990 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__fd_mask in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,990 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____uint64_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,990 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____ino_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,990 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____uid_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,991 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__gid_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,991 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____ino64_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,991 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__u_short in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,991 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____socklen_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,991 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__int32_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,991 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____mode_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,991 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,991 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____blkcnt64_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,991 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____gid_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,992 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__fsfilcnt_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,992 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____int16_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,992 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____off_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,992 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____nlink_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,992 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__off_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,992 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____intptr_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,992 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__size_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,992 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__timer_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,992 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__blkcnt_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,993 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____ssize_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,993 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__u_char in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,993 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__key_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,993 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__u_int32_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,993 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____pthread_list_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,993 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__u_int in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,993 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____rlim_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,993 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____timer_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,994 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_barrier_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,994 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____u_quad_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,994 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____off64_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,994 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____pid_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,994 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____suseconds_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,994 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_mutexattr_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,994 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____u_char in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,994 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____quad_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:20,995 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____fsblkcnt64_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:21,017 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGc85037253 [2018-04-09 20:22:21,021 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-09 20:22:21,023 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-09 20:22:21,023 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-09 20:22:21,023 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-09 20:22:21,028 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-09 20:22:21,029 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.04 08:22:21" (1/1) ... [2018-04-09 20:22:21,031 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c4ecdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 08:22:21, skipping insertion in model container [2018-04-09 20:22:21,031 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.04 08:22:21" (1/1) ... [2018-04-09 20:22:21,047 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-09 20:22:21,077 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-09 20:22:21,252 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-09 20:22:21,307 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-09 20:22:21,316 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-09 20:22:21,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 08:22:21 WrapperNode [2018-04-09 20:22:21,365 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-09 20:22:21,365 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-09 20:22:21,365 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-09 20:22:21,366 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-09 20:22:21,380 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 08:22:21" (1/1) ... [2018-04-09 20:22:21,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 08:22:21" (1/1) ... [2018-04-09 20:22:21,397 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 08:22:21" (1/1) ... [2018-04-09 20:22:21,397 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 08:22:21" (1/1) ... [2018-04-09 20:22:21,407 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 08:22:21" (1/1) ... [2018-04-09 20:22:21,413 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 08:22:21" (1/1) ... [2018-04-09 20:22:21,416 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 08:22:21" (1/1) ... [2018-04-09 20:22:21,420 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-09 20:22:21,421 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-09 20:22:21,421 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-09 20:22:21,421 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-09 20:22:21,422 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 08:22:21" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-09 20:22:21,556 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-09 20:22:21,556 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-09 20:22:21,556 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-09 20:22:21,557 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-09 20:22:21,557 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpy [2018-04-09 20:22:21,557 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-09 20:22:21,557 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-09 20:22:21,557 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-09 20:22:21,557 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-09 20:22:21,557 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-09 20:22:21,558 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-09 20:22:21,558 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-09 20:22:21,558 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-09 20:22:21,558 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-09 20:22:21,558 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-09 20:22:21,558 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-09 20:22:21,559 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-09 20:22:21,559 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-09 20:22:21,559 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-09 20:22:21,559 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-09 20:22:21,559 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-09 20:22:21,559 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-09 20:22:21,560 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-09 20:22:21,560 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-09 20:22:21,560 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-09 20:22:21,560 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-09 20:22:21,560 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-09 20:22:21,561 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-09 20:22:21,561 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-09 20:22:21,561 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-09 20:22:21,561 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-09 20:22:21,561 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-09 20:22:21,561 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-09 20:22:21,561 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-09 20:22:21,562 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-09 20:22:21,562 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-09 20:22:21,562 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-09 20:22:21,562 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-09 20:22:21,562 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-09 20:22:21,562 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-09 20:22:21,562 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-09 20:22:21,562 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-09 20:22:21,563 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-09 20:22:21,563 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-09 20:22:21,563 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-09 20:22:21,563 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-09 20:22:21,563 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-09 20:22:21,563 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-09 20:22:21,563 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-09 20:22:21,564 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-09 20:22:21,564 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-09 20:22:21,564 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-09 20:22:21,564 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-09 20:22:21,564 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-09 20:22:21,564 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-09 20:22:21,564 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-09 20:22:21,564 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-09 20:22:21,565 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-09 20:22:21,565 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-09 20:22:21,565 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-09 20:22:21,565 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-09 20:22:21,565 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-09 20:22:21,565 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-09 20:22:21,565 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-09 20:22:21,565 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-09 20:22:21,566 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-09 20:22:21,566 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-09 20:22:21,566 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-09 20:22:21,566 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-09 20:22:21,566 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-09 20:22:21,566 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-09 20:22:21,566 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-09 20:22:21,567 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-09 20:22:21,567 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-09 20:22:21,567 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-09 20:22:21,567 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-09 20:22:21,567 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-09 20:22:21,567 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-09 20:22:21,567 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-09 20:22:21,567 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-09 20:22:21,568 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-09 20:22:21,568 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-09 20:22:21,568 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-09 20:22:21,568 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-09 20:22:21,568 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-09 20:22:21,568 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-09 20:22:21,568 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-09 20:22:21,569 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-09 20:22:21,569 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-09 20:22:21,569 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-09 20:22:21,569 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-09 20:22:21,569 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-09 20:22:21,569 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-09 20:22:21,569 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-09 20:22:21,569 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-09 20:22:21,570 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-09 20:22:21,570 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-09 20:22:21,570 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-09 20:22:21,570 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-09 20:22:21,570 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-09 20:22:21,570 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-09 20:22:21,570 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-09 20:22:21,570 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-09 20:22:21,571 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-09 20:22:21,571 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-09 20:22:21,571 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-09 20:22:21,571 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-09 20:22:21,571 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-09 20:22:21,571 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-09 20:22:21,571 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpy [2018-04-09 20:22:21,572 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-09 20:22:21,572 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-09 20:22:21,572 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-09 20:22:21,572 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-09 20:22:21,572 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-09 20:22:21,572 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-09 20:22:21,572 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-09 20:22:21,572 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-09 20:22:21,927 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-09 20:22:21,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.04 08:22:21 BoogieIcfgContainer [2018-04-09 20:22:21,928 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-09 20:22:21,929 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-09 20:22:21,929 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-09 20:22:21,931 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-09 20:22:21,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.04 08:22:21" (1/3) ... [2018-04-09 20:22:21,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d2d0e15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.04 08:22:21, skipping insertion in model container [2018-04-09 20:22:21,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 08:22:21" (2/3) ... [2018-04-09 20:22:21,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d2d0e15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.04 08:22:21, skipping insertion in model container [2018-04-09 20:22:21,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.04 08:22:21" (3/3) ... [2018-04-09 20:22:21,934 INFO L107 eAbstractionObserver]: Analyzing ICFG openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:22:21,941 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-09 20:22:21,946 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2018-04-09 20:22:21,990 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-09 20:22:21,990 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-09 20:22:21,990 INFO L370 AbstractCegarLoop]: Hoare is true [2018-04-09 20:22:21,990 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-09 20:22:21,990 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-09 20:22:21,990 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-09 20:22:21,990 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-09 20:22:21,991 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-09 20:22:21,991 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-09 20:22:21,991 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-09 20:22:22,003 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2018-04-09 20:22:22,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-04-09 20:22:22,008 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:22:22,008 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:22:22,009 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 20:22:22,012 INFO L82 PathProgramCache]: Analyzing trace with hash 1304535894, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:22:22,024 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:22:22,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:22:22,055 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:22:22,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:22:22,092 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:22:22,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:22:22,142 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 20:22:22,142 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2018-04-09 20:22:22,144 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-09 20:22:22,154 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-09 20:22:22,155 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-09 20:22:22,157 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 3 states. [2018-04-09 20:22:22,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:22:22,234 INFO L93 Difference]: Finished difference Result 74 states and 78 transitions. [2018-04-09 20:22:22,234 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-09 20:22:22,235 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2018-04-09 20:22:22,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:22:22,244 INFO L225 Difference]: With dead ends: 74 [2018-04-09 20:22:22,244 INFO L226 Difference]: Without dead ends: 55 [2018-04-09 20:22:22,247 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-09 20:22:22,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-04-09 20:22:22,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-04-09 20:22:22,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-04-09 20:22:22,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 57 transitions. [2018-04-09 20:22:22,285 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 57 transitions. Word has length 17 [2018-04-09 20:22:22,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:22:22,286 INFO L459 AbstractCegarLoop]: Abstraction has 55 states and 57 transitions. [2018-04-09 20:22:22,286 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-09 20:22:22,286 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 57 transitions. [2018-04-09 20:22:22,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-09 20:22:22,287 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:22:22,287 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:22:22,287 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 20:22:22,287 INFO L82 PathProgramCache]: Analyzing trace with hash -1671521284, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:22:22,297 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:22:22,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:22:22,316 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:22:22,353 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 20:22:22,355 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:22:22,359 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:22:22,359 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-09 20:22:22,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:22:22,393 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:22:22,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:22:22,434 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 20:22:22,434 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-09 20:22:22,436 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-09 20:22:22,436 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-09 20:22:22,436 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-09 20:22:22,436 INFO L87 Difference]: Start difference. First operand 55 states and 57 transitions. Second operand 4 states. [2018-04-09 20:22:22,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:22:22,487 INFO L93 Difference]: Finished difference Result 55 states and 57 transitions. [2018-04-09 20:22:22,487 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-09 20:22:22,487 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-04-09 20:22:22,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:22:22,489 INFO L225 Difference]: With dead ends: 55 [2018-04-09 20:22:22,489 INFO L226 Difference]: Without dead ends: 54 [2018-04-09 20:22:22,490 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-09 20:22:22,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-04-09 20:22:22,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2018-04-09 20:22:22,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-04-09 20:22:22,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 56 transitions. [2018-04-09 20:22:22,498 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 56 transitions. Word has length 20 [2018-04-09 20:22:22,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:22:22,498 INFO L459 AbstractCegarLoop]: Abstraction has 54 states and 56 transitions. [2018-04-09 20:22:22,498 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-09 20:22:22,499 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 56 transitions. [2018-04-09 20:22:22,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-09 20:22:22,499 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:22:22,500 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:22:22,500 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 20:22:22,500 INFO L82 PathProgramCache]: Analyzing trace with hash -1671521283, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:22:22,507 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:22:22,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:22:22,529 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:22:22,554 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 20:22:22,555 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:22:22,569 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:22:22,569 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-04-09 20:22:22,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:22:22,586 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:22:22,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:22:22,685 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 20:22:22,686 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2018-04-09 20:22:22,686 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-09 20:22:22,686 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-09 20:22:22,687 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-04-09 20:22:22,687 INFO L87 Difference]: Start difference. First operand 54 states and 56 transitions. Second operand 7 states. [2018-04-09 20:22:22,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:22:22,816 INFO L93 Difference]: Finished difference Result 54 states and 56 transitions. [2018-04-09 20:22:22,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-09 20:22:22,816 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-04-09 20:22:22,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:22:22,817 INFO L225 Difference]: With dead ends: 54 [2018-04-09 20:22:22,817 INFO L226 Difference]: Without dead ends: 53 [2018-04-09 20:22:22,818 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-04-09 20:22:22,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-04-09 20:22:22,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2018-04-09 20:22:22,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-04-09 20:22:22,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 55 transitions. [2018-04-09 20:22:22,824 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 55 transitions. Word has length 20 [2018-04-09 20:22:22,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:22:22,825 INFO L459 AbstractCegarLoop]: Abstraction has 53 states and 55 transitions. [2018-04-09 20:22:22,825 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-09 20:22:22,825 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 55 transitions. [2018-04-09 20:22:22,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-04-09 20:22:22,826 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:22:22,826 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:22:22,826 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 20:22:22,826 INFO L82 PathProgramCache]: Analyzing trace with hash 954581403, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:22:22,838 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:22:22,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:22:22,858 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:22:22,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:22:22,886 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:22:22,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:22:22,930 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 20:22:22,930 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2018-04-09 20:22:22,931 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-09 20:22:22,931 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-09 20:22:22,931 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-09 20:22:22,931 INFO L87 Difference]: Start difference. First operand 53 states and 55 transitions. Second operand 5 states. [2018-04-09 20:22:23,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:22:23,024 INFO L93 Difference]: Finished difference Result 53 states and 55 transitions. [2018-04-09 20:22:23,024 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-09 20:22:23,025 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2018-04-09 20:22:23,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:22:23,026 INFO L225 Difference]: With dead ends: 53 [2018-04-09 20:22:23,026 INFO L226 Difference]: Without dead ends: 52 [2018-04-09 20:22:23,026 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-09 20:22:23,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-04-09 20:22:23,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-04-09 20:22:23,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-04-09 20:22:23,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 54 transitions. [2018-04-09 20:22:23,043 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 54 transitions. Word has length 26 [2018-04-09 20:22:23,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:22:23,044 INFO L459 AbstractCegarLoop]: Abstraction has 52 states and 54 transitions. [2018-04-09 20:22:23,044 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-09 20:22:23,044 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 54 transitions. [2018-04-09 20:22:23,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-04-09 20:22:23,045 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:22:23,045 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:22:23,046 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 20:22:23,046 INFO L82 PathProgramCache]: Analyzing trace with hash 954581404, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:22:23,061 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:22:23,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:22:23,084 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:22:23,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:22:23,133 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:22:23,145 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 10 [2018-04-09 20:22:23,145 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:22:23,155 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-04-09 20:22:23,157 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 20:22:23,160 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 20:22:23,160 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2018-04-09 20:22:23,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:22:23,203 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 20:22:23,203 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2018-04-09 20:22:23,204 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-09 20:22:23,204 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-09 20:22:23,204 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-04-09 20:22:23,204 INFO L87 Difference]: Start difference. First operand 52 states and 54 transitions. Second operand 8 states. [2018-04-09 20:22:23,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:22:23,310 INFO L93 Difference]: Finished difference Result 55 states and 57 transitions. [2018-04-09 20:22:23,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-09 20:22:23,311 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 26 [2018-04-09 20:22:23,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:22:23,311 INFO L225 Difference]: With dead ends: 55 [2018-04-09 20:22:23,311 INFO L226 Difference]: Without dead ends: 54 [2018-04-09 20:22:23,312 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 43 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2018-04-09 20:22:23,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-04-09 20:22:23,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2018-04-09 20:22:23,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-04-09 20:22:23,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 56 transitions. [2018-04-09 20:22:23,319 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 56 transitions. Word has length 26 [2018-04-09 20:22:23,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:22:23,320 INFO L459 AbstractCegarLoop]: Abstraction has 54 states and 56 transitions. [2018-04-09 20:22:23,320 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-09 20:22:23,320 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 56 transitions. [2018-04-09 20:22:23,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-09 20:22:23,321 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:22:23,321 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:22:23,321 INFO L408 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 20:22:23,321 INFO L82 PathProgramCache]: Analyzing trace with hash -472747546, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:22:23,327 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:22:23,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:22:23,343 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:22:23,350 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 20:22:23,350 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:22:23,368 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 20:22:23,368 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 20:22:23,376 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:22:23,376 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:19, output treesize:14 [2018-04-09 20:22:23,400 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 20:22:23,402 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-04-09 20:22:23,403 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:22:23,412 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 20:22:23,413 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 20:22:23,414 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-09 20:22:23,414 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 20:22:23,420 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:22:23,420 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:13 [2018-04-09 20:22:23,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:22:23,473 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:22:23,641 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 3 [2018-04-09 20:22:23,642 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:22:23,647 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 15 [2018-04-09 20:22:23,657 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-04-09 20:22:23,658 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-09 20:22:23,659 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-04-09 20:22:23,659 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 20:22:23,662 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:22:23,664 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:22:23,664 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:21, output treesize:3 [2018-04-09 20:22:23,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:22:23,691 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 20:22:23,692 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8, 7] imperfect sequences [] total 13 [2018-04-09 20:22:23,692 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-09 20:22:23,692 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-09 20:22:23,692 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2018-04-09 20:22:23,692 INFO L87 Difference]: Start difference. First operand 54 states and 56 transitions. Second operand 14 states. [2018-04-09 20:22:23,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:22:23,908 INFO L93 Difference]: Finished difference Result 68 states and 71 transitions. [2018-04-09 20:22:23,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-09 20:22:23,909 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 27 [2018-04-09 20:22:23,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:22:23,912 INFO L225 Difference]: With dead ends: 68 [2018-04-09 20:22:23,912 INFO L226 Difference]: Without dead ends: 67 [2018-04-09 20:22:23,912 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=88, Invalid=332, Unknown=0, NotChecked=0, Total=420 [2018-04-09 20:22:23,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-04-09 20:22:23,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 55. [2018-04-09 20:22:23,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-04-09 20:22:23,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 58 transitions. [2018-04-09 20:22:23,919 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 58 transitions. Word has length 27 [2018-04-09 20:22:23,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:22:23,919 INFO L459 AbstractCegarLoop]: Abstraction has 55 states and 58 transitions. [2018-04-09 20:22:23,919 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-09 20:22:23,920 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 58 transitions. [2018-04-09 20:22:23,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-09 20:22:23,920 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:22:23,921 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:22:23,921 INFO L408 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 20:22:23,921 INFO L82 PathProgramCache]: Analyzing trace with hash -472747547, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:22:23,929 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:22:23,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:22:23,948 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:22:23,953 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 20:22:23,954 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:22:23,956 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:22:23,956 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-09 20:22:23,964 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-09 20:22:23,965 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:22:23,968 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:22:23,968 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-04-09 20:22:24,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:22:24,003 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:22:24,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:22:24,053 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 20:22:24,053 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 9 [2018-04-09 20:22:24,053 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-09 20:22:24,053 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-09 20:22:24,053 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-04-09 20:22:24,054 INFO L87 Difference]: Start difference. First operand 55 states and 58 transitions. Second operand 10 states. [2018-04-09 20:22:24,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:22:24,186 INFO L93 Difference]: Finished difference Result 55 states and 58 transitions. [2018-04-09 20:22:24,186 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-09 20:22:24,186 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 27 [2018-04-09 20:22:24,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:22:24,187 INFO L225 Difference]: With dead ends: 55 [2018-04-09 20:22:24,187 INFO L226 Difference]: Without dead ends: 54 [2018-04-09 20:22:24,188 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 43 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2018-04-09 20:22:24,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-04-09 20:22:24,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2018-04-09 20:22:24,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-04-09 20:22:24,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 56 transitions. [2018-04-09 20:22:24,194 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 56 transitions. Word has length 27 [2018-04-09 20:22:24,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:22:24,194 INFO L459 AbstractCegarLoop]: Abstraction has 54 states and 56 transitions. [2018-04-09 20:22:24,194 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-09 20:22:24,194 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 56 transitions. [2018-04-09 20:22:24,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-04-09 20:22:24,195 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:22:24,196 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:22:24,196 INFO L408 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 20:22:24,196 INFO L82 PathProgramCache]: Analyzing trace with hash -1391876469, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:22:24,205 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:22:24,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:22:24,227 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:22:24,245 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-04-09 20:22:24,248 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-04-09 20:22:24,248 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 20:22:24,250 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:22:24,255 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 20:22:24,255 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:21 [2018-04-09 20:22:24,299 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2018-04-09 20:22:24,306 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 11 [2018-04-09 20:22:24,307 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-09 20:22:24,310 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 20:22:24,322 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-09 20:22:24,322 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:34, output treesize:33 [2018-04-09 20:22:24,369 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:22:24,369 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:22:24,582 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-04-09 20:22:24,583 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:22:24,597 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2018-04-09 20:22:24,606 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-04-09 20:22:24,607 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-09 20:22:24,608 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:22:24,613 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:22:24,613 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:35, output treesize:7 [2018-04-09 20:22:24,621 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:22:24,643 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 20:22:24,643 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2018-04-09 20:22:24,643 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-09 20:22:24,644 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-09 20:22:24,644 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2018-04-09 20:22:24,644 INFO L87 Difference]: Start difference. First operand 54 states and 56 transitions. Second operand 15 states. [2018-04-09 20:22:25,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:22:25,088 INFO L93 Difference]: Finished difference Result 79 states and 83 transitions. [2018-04-09 20:22:25,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-09 20:22:25,088 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 37 [2018-04-09 20:22:25,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:22:25,090 INFO L225 Difference]: With dead ends: 79 [2018-04-09 20:22:25,090 INFO L226 Difference]: Without dead ends: 78 [2018-04-09 20:22:25,091 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 59 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=82, Invalid=338, Unknown=0, NotChecked=0, Total=420 [2018-04-09 20:22:25,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-04-09 20:22:25,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 64. [2018-04-09 20:22:25,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-04-09 20:22:25,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 67 transitions. [2018-04-09 20:22:25,099 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 67 transitions. Word has length 37 [2018-04-09 20:22:25,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:22:25,100 INFO L459 AbstractCegarLoop]: Abstraction has 64 states and 67 transitions. [2018-04-09 20:22:25,100 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-09 20:22:25,100 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 67 transitions. [2018-04-09 20:22:25,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-04-09 20:22:25,101 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:22:25,101 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:22:25,101 INFO L408 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 20:22:25,102 INFO L82 PathProgramCache]: Analyzing trace with hash -198497577, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:22:25,112 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:22:25,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:22:25,133 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:22:25,155 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 20:22:25,155 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:22:25,163 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 20:22:25,163 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 20:22:25,169 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:22:25,170 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:19, output treesize:14 [2018-04-09 20:22:25,232 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 20:22:25,234 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-04-09 20:22:25,235 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:22:25,250 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 20:22:25,251 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 20:22:25,251 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-09 20:22:25,251 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 20:22:25,257 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:22:25,257 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:15 [2018-04-09 20:22:25,448 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:22:25,448 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:22:25,753 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-04-09 20:22:25,753 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:22:25,757 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 15 [2018-04-09 20:22:25,767 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-04-09 20:22:25,767 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-09 20:22:25,769 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-04-09 20:22:25,769 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 20:22:25,773 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:22:25,776 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:22:25,776 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:24, output treesize:7 [2018-04-09 20:22:25,799 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:22:25,820 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 20:22:25,820 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 27 [2018-04-09 20:22:25,821 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-04-09 20:22:25,821 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-04-09 20:22:25,821 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=669, Unknown=0, NotChecked=0, Total=756 [2018-04-09 20:22:25,821 INFO L87 Difference]: Start difference. First operand 64 states and 67 transitions. Second operand 28 states. [2018-04-09 20:22:26,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:22:26,759 INFO L93 Difference]: Finished difference Result 89 states and 94 transitions. [2018-04-09 20:22:26,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-04-09 20:22:26,760 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 38 [2018-04-09 20:22:26,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:22:26,761 INFO L225 Difference]: With dead ends: 89 [2018-04-09 20:22:26,761 INFO L226 Difference]: Without dead ends: 88 [2018-04-09 20:22:26,763 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=322, Invalid=2030, Unknown=0, NotChecked=0, Total=2352 [2018-04-09 20:22:26,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2018-04-09 20:22:26,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 76. [2018-04-09 20:22:26,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-04-09 20:22:26,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 81 transitions. [2018-04-09 20:22:26,772 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 81 transitions. Word has length 38 [2018-04-09 20:22:26,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:22:26,772 INFO L459 AbstractCegarLoop]: Abstraction has 76 states and 81 transitions. [2018-04-09 20:22:26,772 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-04-09 20:22:26,772 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 81 transitions. [2018-04-09 20:22:26,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-04-09 20:22:26,773 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:22:26,773 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:22:26,774 INFO L408 AbstractCegarLoop]: === Iteration 10 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 20:22:26,774 INFO L82 PathProgramCache]: Analyzing trace with hash 521284218, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:22:26,783 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:22:26,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:22:26,805 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:22:26,840 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 20:22:26,841 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 27 [2018-04-09 20:22:26,845 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2018-04-09 20:22:26,845 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 20:22:26,874 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:22:26,878 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-09 20:22:26,878 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-04-09 20:22:26,905 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc7.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc7.base| 1))) (and (= (select |c_old(#valid)| |main_#t~malloc7.base|) 0) (= (store (store .cse0 |c_main_#t~malloc8.base| 1) |main_#t~malloc7.base| 0) |c_#valid|) (= (select .cse0 |c_main_#t~malloc8.base|) 0)))) is different from true [2018-04-09 20:22:26,909 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc7.base| Int) (|main_#t~malloc8.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc7.base| 1))) (and (= (select |c_old(#valid)| |main_#t~malloc7.base|) 0) (= |c_#valid| (store (store (store .cse0 |main_#t~malloc8.base| 1) |main_#t~malloc7.base| 0) |main_#t~malloc8.base| 0)) (= (select .cse0 |main_#t~malloc8.base|) 0)))) is different from true [2018-04-09 20:22:26,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:22:26,914 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:22:26,932 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc8.base_13| Int)) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc8.base_13|))) (= (store (store (store |c_#valid| |v_main_#t~malloc8.base_13| 1) |c_main_#t~malloc7.base| 0) |v_main_#t~malloc8.base_13| 0) |c_old(#valid)|))) is different from false [2018-04-09 20:22:26,936 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc7.base_12| Int) (|v_main_#t~malloc8.base_13| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc7.base_12| 1))) (or (= (store (store (store .cse0 |v_main_#t~malloc8.base_13| 1) |v_main_#t~malloc7.base_12| 0) |v_main_#t~malloc8.base_13| 0) |c_old(#valid)|) (not (= 0 (select |c_#valid| |v_main_#t~malloc7.base_12|))) (not (= (select .cse0 |v_main_#t~malloc8.base_13|) 0))))) is different from false [2018-04-09 20:22:26,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:22:26,974 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 20:22:26,974 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2018-04-09 20:22:26,975 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-09 20:22:26,975 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-09 20:22:26,975 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=45, Unknown=4, NotChecked=60, Total=132 [2018-04-09 20:22:26,975 INFO L87 Difference]: Start difference. First operand 76 states and 81 transitions. Second operand 12 states. [2018-04-09 20:22:26,987 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc7.base_12| Int) (|v_main_#t~malloc8.base_13| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc7.base_12| 1))) (or (= (store (store (store .cse0 |v_main_#t~malloc8.base_13| 1) |v_main_#t~malloc7.base_12| 0) |v_main_#t~malloc8.base_13| 0) |c_old(#valid)|) (not (= 0 (select |c_#valid| |v_main_#t~malloc7.base_12|))) (not (= (select .cse0 |v_main_#t~malloc8.base_13|) 0)))))) is different from false [2018-04-09 20:22:27,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:22:27,191 INFO L93 Difference]: Finished difference Result 137 states and 146 transitions. [2018-04-09 20:22:27,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-09 20:22:27,192 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 39 [2018-04-09 20:22:27,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:22:27,193 INFO L225 Difference]: With dead ends: 137 [2018-04-09 20:22:27,193 INFO L226 Difference]: Without dead ends: 125 [2018-04-09 20:22:27,194 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 67 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=125, Unknown=6, NotChecked=130, Total=306 [2018-04-09 20:22:27,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-04-09 20:22:27,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 123. [2018-04-09 20:22:27,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-04-09 20:22:27,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 132 transitions. [2018-04-09 20:22:27,208 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 132 transitions. Word has length 39 [2018-04-09 20:22:27,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:22:27,208 INFO L459 AbstractCegarLoop]: Abstraction has 123 states and 132 transitions. [2018-04-09 20:22:27,208 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-09 20:22:27,208 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 132 transitions. [2018-04-09 20:22:27,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-04-09 20:22:27,209 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:22:27,210 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:22:27,210 INFO L408 AbstractCegarLoop]: === Iteration 11 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 20:22:27,210 INFO L82 PathProgramCache]: Analyzing trace with hash -1640662096, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:22:27,224 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:22:27,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:22:27,244 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:22:27,385 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 20:22:27,386 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2018-04-09 20:22:27,405 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 20:22:27,406 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-04-09 20:22:27,406 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 20:22:27,410 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:22:27,413 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-09 20:22:27,413 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-04-09 20:22:27,449 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc7.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc7.base| 1))) (and (= (select |c_old(#valid)| |main_#t~malloc7.base|) 0) (= (store (store .cse0 |c_main_#t~malloc8.base| 1) |main_#t~malloc7.base| 0) |c_#valid|) (= (select .cse0 |c_main_#t~malloc8.base|) 0)))) is different from true [2018-04-09 20:22:27,454 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc7.base| Int) (|main_#t~malloc8.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc7.base| 1))) (and (= (select |c_old(#valid)| |main_#t~malloc7.base|) 0) (= |c_#valid| (store (store (store .cse0 |main_#t~malloc8.base| 1) |main_#t~malloc7.base| 0) |main_#t~malloc8.base| 0)) (= (select .cse0 |main_#t~malloc8.base|) 0)))) is different from true [2018-04-09 20:22:27,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:22:27,458 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:22:27,477 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc8.base_15| Int)) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc8.base_15|))) (= (store (store (store |c_#valid| |v_main_#t~malloc8.base_15| 1) |c_main_#t~malloc7.base| 0) |v_main_#t~malloc8.base_15| 0) |c_old(#valid)|))) is different from false [2018-04-09 20:22:27,481 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc7.base_14| Int) (|v_main_#t~malloc8.base_15| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc7.base_14| 1))) (or (= (store (store (store .cse0 |v_main_#t~malloc8.base_15| 1) |v_main_#t~malloc7.base_14| 0) |v_main_#t~malloc8.base_15| 0) |c_old(#valid)|) (not (= (select .cse0 |v_main_#t~malloc8.base_15|) 0)) (not (= 0 (select |c_#valid| |v_main_#t~malloc7.base_14|)))))) is different from false [2018-04-09 20:22:27,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:22:27,522 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 20:22:27,522 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2018-04-09 20:22:27,522 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-09 20:22:27,522 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-09 20:22:27,522 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=45, Unknown=4, NotChecked=60, Total=132 [2018-04-09 20:22:27,523 INFO L87 Difference]: Start difference. First operand 123 states and 132 transitions. Second operand 12 states. [2018-04-09 20:22:27,532 WARN L1011 $PredicateComparison]: unable to prove that (and (forall ((|v_main_#t~malloc7.base_14| Int) (|v_main_#t~malloc8.base_15| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc7.base_14| 1))) (or (= (store (store (store .cse0 |v_main_#t~malloc8.base_15| 1) |v_main_#t~malloc7.base_14| 0) |v_main_#t~malloc8.base_15| 0) |c_old(#valid)|) (not (= (select .cse0 |v_main_#t~malloc8.base_15|) 0)) (not (= 0 (select |c_#valid| |v_main_#t~malloc7.base_14|)))))) (= |c_#valid| |c_old(#valid)|)) is different from false [2018-04-09 20:22:27,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:22:27,736 INFO L93 Difference]: Finished difference Result 184 states and 196 transitions. [2018-04-09 20:22:27,736 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-09 20:22:27,736 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 40 [2018-04-09 20:22:27,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:22:27,738 INFO L225 Difference]: With dead ends: 184 [2018-04-09 20:22:27,738 INFO L226 Difference]: Without dead ends: 172 [2018-04-09 20:22:27,738 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 69 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=125, Unknown=6, NotChecked=130, Total=306 [2018-04-09 20:22:27,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2018-04-09 20:22:27,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 124. [2018-04-09 20:22:27,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-04-09 20:22:27,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 133 transitions. [2018-04-09 20:22:27,752 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 133 transitions. Word has length 40 [2018-04-09 20:22:27,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:22:27,752 INFO L459 AbstractCegarLoop]: Abstraction has 124 states and 133 transitions. [2018-04-09 20:22:27,753 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-09 20:22:27,753 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 133 transitions. [2018-04-09 20:22:27,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-04-09 20:22:27,753 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:22:27,753 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:22:27,754 INFO L408 AbstractCegarLoop]: === Iteration 12 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 20:22:27,754 INFO L82 PathProgramCache]: Analyzing trace with hash 2005837643, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:22:27,759 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:22:27,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:22:27,782 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:22:27,808 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 20:22:27,809 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 27 [2018-04-09 20:22:27,812 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2018-04-09 20:22:27,812 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 20:22:27,817 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:22:27,821 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-09 20:22:27,821 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-04-09 20:22:27,848 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc7.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc7.base| 1))) (and (= (select |c_old(#valid)| |main_#t~malloc7.base|) 0) (= (store (store .cse0 |c_main_#t~malloc8.base| 1) |main_#t~malloc7.base| 0) |c_#valid|) (= (select .cse0 |c_main_#t~malloc8.base|) 0)))) is different from true [2018-04-09 20:22:27,852 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc7.base| Int) (|main_#t~malloc8.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc7.base| 1))) (and (= (select |c_old(#valid)| |main_#t~malloc7.base|) 0) (= |c_#valid| (store (store (store .cse0 |main_#t~malloc8.base| 1) |main_#t~malloc7.base| 0) |main_#t~malloc8.base| 0)) (= (select .cse0 |main_#t~malloc8.base|) 0)))) is different from true [2018-04-09 20:22:27,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:22:27,857 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:22:27,880 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc8.base_17| Int)) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc8.base_17|))) (= |c_old(#valid)| (store (store (store |c_#valid| |v_main_#t~malloc8.base_17| 1) |c_main_#t~malloc7.base| 0) |v_main_#t~malloc8.base_17| 0)))) is different from false [2018-04-09 20:22:27,883 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc7.base_16| Int) (|v_main_#t~malloc8.base_17| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc7.base_16| 1))) (or (not (= (select .cse0 |v_main_#t~malloc8.base_17|) 0)) (= |c_old(#valid)| (store (store (store .cse0 |v_main_#t~malloc8.base_17| 1) |v_main_#t~malloc7.base_16| 0) |v_main_#t~malloc8.base_17| 0)) (not (= 0 (select |c_#valid| |v_main_#t~malloc7.base_16|)))))) is different from false [2018-04-09 20:22:27,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:22:27,916 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 20:22:27,917 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2018-04-09 20:22:27,917 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-09 20:22:27,917 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-09 20:22:27,917 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=45, Unknown=4, NotChecked=60, Total=132 [2018-04-09 20:22:27,918 INFO L87 Difference]: Start difference. First operand 124 states and 133 transitions. Second operand 12 states. [2018-04-09 20:22:27,926 WARN L1011 $PredicateComparison]: unable to prove that (and (forall ((|v_main_#t~malloc7.base_16| Int) (|v_main_#t~malloc8.base_17| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc7.base_16| 1))) (or (not (= (select .cse0 |v_main_#t~malloc8.base_17|) 0)) (= |c_old(#valid)| (store (store (store .cse0 |v_main_#t~malloc8.base_17| 1) |v_main_#t~malloc7.base_16| 0) |v_main_#t~malloc8.base_17| 0)) (not (= 0 (select |c_#valid| |v_main_#t~malloc7.base_16|)))))) (= |c_#valid| |c_old(#valid)|)) is different from false [2018-04-09 20:22:28,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:22:28,135 INFO L93 Difference]: Finished difference Result 184 states and 196 transitions. [2018-04-09 20:22:28,135 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-09 20:22:28,135 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 40 [2018-04-09 20:22:28,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:22:28,136 INFO L225 Difference]: With dead ends: 184 [2018-04-09 20:22:28,136 INFO L226 Difference]: Without dead ends: 172 [2018-04-09 20:22:28,136 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 69 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=125, Unknown=6, NotChecked=130, Total=306 [2018-04-09 20:22:28,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2018-04-09 20:22:28,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 124. [2018-04-09 20:22:28,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-04-09 20:22:28,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 133 transitions. [2018-04-09 20:22:28,146 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 133 transitions. Word has length 40 [2018-04-09 20:22:28,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:22:28,147 INFO L459 AbstractCegarLoop]: Abstraction has 124 states and 133 transitions. [2018-04-09 20:22:28,147 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-09 20:22:28,147 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 133 transitions. [2018-04-09 20:22:28,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-04-09 20:22:28,148 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:22:28,148 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:22:28,148 INFO L408 AbstractCegarLoop]: === Iteration 13 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 20:22:28,148 INFO L82 PathProgramCache]: Analyzing trace with hash 1430821119, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:22:28,154 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:22:28,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:22:28,169 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:22:28,188 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 20:22:28,189 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2018-04-09 20:22:28,191 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 20:22:28,191 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-04-09 20:22:28,191 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 20:22:28,195 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:22:28,198 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-09 20:22:28,198 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-04-09 20:22:28,215 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc7.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc7.base| 1))) (and (= (select |c_old(#valid)| |main_#t~malloc7.base|) 0) (= (store (store .cse0 |c_main_#t~malloc8.base| 1) |main_#t~malloc7.base| 0) |c_#valid|) (= (select .cse0 |c_main_#t~malloc8.base|) 0)))) is different from true [2018-04-09 20:22:28,220 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc7.base| Int) (|main_#t~malloc8.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc7.base| 1))) (and (= (select |c_old(#valid)| |main_#t~malloc7.base|) 0) (= |c_#valid| (store (store (store .cse0 |main_#t~malloc8.base| 1) |main_#t~malloc7.base| 0) |main_#t~malloc8.base| 0)) (= (select .cse0 |main_#t~malloc8.base|) 0)))) is different from true [2018-04-09 20:22:28,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:22:28,224 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:22:28,245 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc8.base_19| Int)) (or (= (store (store (store |c_#valid| |v_main_#t~malloc8.base_19| 1) |c_main_#t~malloc7.base| 0) |v_main_#t~malloc8.base_19| 0) |c_old(#valid)|) (not (= 0 (select |c_#valid| |v_main_#t~malloc8.base_19|))))) is different from false [2018-04-09 20:22:28,249 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc7.base_18| Int) (|v_main_#t~malloc8.base_19| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc7.base_18| 1))) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc7.base_18|))) (= |c_old(#valid)| (store (store (store .cse0 |v_main_#t~malloc8.base_19| 1) |v_main_#t~malloc7.base_18| 0) |v_main_#t~malloc8.base_19| 0)) (not (= (select .cse0 |v_main_#t~malloc8.base_19|) 0))))) is different from false [2018-04-09 20:22:28,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:22:28,300 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 20:22:28,300 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2018-04-09 20:22:28,300 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-09 20:22:28,300 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-09 20:22:28,300 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=45, Unknown=4, NotChecked=60, Total=132 [2018-04-09 20:22:28,301 INFO L87 Difference]: Start difference. First operand 124 states and 133 transitions. Second operand 12 states. [2018-04-09 20:22:28,308 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc7.base_18| Int) (|v_main_#t~malloc8.base_19| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc7.base_18| 1))) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc7.base_18|))) (= |c_old(#valid)| (store (store (store .cse0 |v_main_#t~malloc8.base_19| 1) |v_main_#t~malloc7.base_18| 0) |v_main_#t~malloc8.base_19| 0)) (not (= (select .cse0 |v_main_#t~malloc8.base_19|) 0)))))) is different from false [2018-04-09 20:22:28,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:22:28,494 INFO L93 Difference]: Finished difference Result 126 states and 133 transitions. [2018-04-09 20:22:28,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-09 20:22:28,494 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 41 [2018-04-09 20:22:28,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:22:28,495 INFO L225 Difference]: With dead ends: 126 [2018-04-09 20:22:28,495 INFO L226 Difference]: Without dead ends: 114 [2018-04-09 20:22:28,495 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 71 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=125, Unknown=6, NotChecked=130, Total=306 [2018-04-09 20:22:28,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-04-09 20:22:28,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 64. [2018-04-09 20:22:28,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-04-09 20:22:28,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 67 transitions. [2018-04-09 20:22:28,501 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 67 transitions. Word has length 41 [2018-04-09 20:22:28,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:22:28,501 INFO L459 AbstractCegarLoop]: Abstraction has 64 states and 67 transitions. [2018-04-09 20:22:28,502 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-09 20:22:28,502 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 67 transitions. [2018-04-09 20:22:28,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-04-09 20:22:28,502 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:22:28,502 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:22:28,502 INFO L408 AbstractCegarLoop]: === Iteration 14 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 20:22:28,502 INFO L82 PathProgramCache]: Analyzing trace with hash -1154963908, now seen corresponding path program 2 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:22:28,508 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:22:28,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:22:28,535 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:22:28,549 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 20:22:28,550 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:22:28,551 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:22:28,552 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-09 20:22:28,562 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 20:22:28,563 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 20:22:28,564 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-09 20:22:28,564 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:22:28,578 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 20:22:28,579 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 20:22:28,584 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:22:28,584 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:20, output treesize:13 [2018-04-09 20:22:28,598 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 12 [2018-04-09 20:22:28,600 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-09 20:22:28,600 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 20:22:28,601 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:22:28,603 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:22:28,604 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:20, output treesize:16 [2018-04-09 20:22:28,657 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 24 [2018-04-09 20:22:28,659 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-09 20:22:28,659 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 20:22:28,663 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:22:28,668 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:22:28,668 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:30, output treesize:15 [2018-04-09 20:22:28,697 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-04-09 20:22:28,703 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 12 [2018-04-09 20:22:28,703 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-09 20:22:28,709 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 20:22:28,714 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-09 20:22:28,714 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:29, output treesize:34 [2018-04-09 20:22:28,768 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:22:28,768 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:22:29,140 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 30 [2018-04-09 20:22:29,155 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-09 20:22:29,155 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 20:22:29,168 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2018-04-09 20:22:29,169 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 1 [2018-04-09 20:22:29,169 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 20:22:29,172 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:22:29,173 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2018-04-09 20:22:29,175 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 12 [2018-04-09 20:22:29,175 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-09 20:22:29,177 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:22:29,186 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-04-09 20:22:29,204 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-04-09 20:22:29,205 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:57, output treesize:84 [2018-04-09 20:22:29,355 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:22:29,379 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 20:22:29,379 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 29 [2018-04-09 20:22:29,380 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-04-09 20:22:29,380 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-04-09 20:22:29,380 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=783, Unknown=0, NotChecked=0, Total=870 [2018-04-09 20:22:29,380 INFO L87 Difference]: Start difference. First operand 64 states and 67 transitions. Second operand 30 states. [2018-04-09 20:22:30,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:22:30,054 INFO L93 Difference]: Finished difference Result 64 states and 67 transitions. [2018-04-09 20:22:30,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-04-09 20:22:30,055 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 48 [2018-04-09 20:22:30,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:22:30,056 INFO L225 Difference]: With dead ends: 64 [2018-04-09 20:22:30,056 INFO L226 Difference]: Without dead ends: 63 [2018-04-09 20:22:30,057 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 242 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=315, Invalid=1577, Unknown=0, NotChecked=0, Total=1892 [2018-04-09 20:22:30,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-04-09 20:22:30,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2018-04-09 20:22:30,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-04-09 20:22:30,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 65 transitions. [2018-04-09 20:22:30,066 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 65 transitions. Word has length 48 [2018-04-09 20:22:30,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:22:30,067 INFO L459 AbstractCegarLoop]: Abstraction has 63 states and 65 transitions. [2018-04-09 20:22:30,067 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-04-09 20:22:30,067 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 65 transitions. [2018-04-09 20:22:30,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-04-09 20:22:30,067 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:22:30,068 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:22:30,068 INFO L408 AbstractCegarLoop]: === Iteration 15 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 20:22:30,068 INFO L82 PathProgramCache]: Analyzing trace with hash -417587337, now seen corresponding path program 2 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:22:30,074 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:22:30,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:22:30,098 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:22:30,125 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 20:22:30,126 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:22:30,148 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 20:22:30,148 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 20:22:30,153 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:22:30,153 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:19, output treesize:14 [2018-04-09 20:22:30,213 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 20:22:30,221 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-04-09 20:22:30,222 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:22:30,265 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 20:22:30,265 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 20:22:30,266 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-09 20:22:30,266 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 20:22:30,271 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:22:30,271 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:15 [2018-04-09 20:22:31,089 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:22:31,089 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:22:31,486 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-04-09 20:22:31,487 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:22:31,490 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 15 [2018-04-09 20:22:31,498 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-04-09 20:22:31,498 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-09 20:22:31,499 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-04-09 20:22:31,499 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 20:22:31,503 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:22:31,506 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:22:31,506 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:24, output treesize:7 [2018-04-09 20:22:31,540 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:22:31,561 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 20:22:31,562 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 35 [2018-04-09 20:22:31,562 INFO L442 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-04-09 20:22:31,562 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-04-09 20:22:31,562 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=1119, Unknown=0, NotChecked=0, Total=1260 [2018-04-09 20:22:31,563 INFO L87 Difference]: Start difference. First operand 63 states and 65 transitions. Second operand 36 states. [2018-04-09 20:22:32,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:22:32,929 INFO L93 Difference]: Finished difference Result 111 states and 116 transitions. [2018-04-09 20:22:32,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-04-09 20:22:32,929 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 60 [2018-04-09 20:22:32,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:22:32,930 INFO L225 Difference]: With dead ends: 111 [2018-04-09 20:22:32,930 INFO L226 Difference]: Without dead ends: 110 [2018-04-09 20:22:32,931 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 783 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=547, Invalid=3613, Unknown=0, NotChecked=0, Total=4160 [2018-04-09 20:22:32,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-04-09 20:22:32,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 107. [2018-04-09 20:22:32,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2018-04-09 20:22:32,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 109 transitions. [2018-04-09 20:22:32,940 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 109 transitions. Word has length 60 [2018-04-09 20:22:32,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:22:32,941 INFO L459 AbstractCegarLoop]: Abstraction has 107 states and 109 transitions. [2018-04-09 20:22:32,941 INFO L460 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-04-09 20:22:32,941 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 109 transitions. [2018-04-09 20:22:32,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-04-09 20:22:32,942 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:22:32,942 INFO L355 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:22:32,943 INFO L408 AbstractCegarLoop]: === Iteration 16 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 20:22:32,943 INFO L82 PathProgramCache]: Analyzing trace with hash -739614537, now seen corresponding path program 3 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:22:32,948 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:22:32,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:22:32,992 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:22:33,001 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 20:22:33,002 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:22:33,008 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 20:22:33,009 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 20:22:33,013 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:22:33,013 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:19, output treesize:14 [2018-04-09 20:22:33,028 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 20:22:33,029 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 20:22:33,030 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-09 20:22:33,030 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:22:33,039 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-04-09 20:22:33,039 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 20:22:33,069 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:22:33,069 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:15 [2018-04-09 20:22:33,593 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 252 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:22:33,593 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:22:34,411 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-04-09 20:22:34,411 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:22:34,414 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 15 [2018-04-09 20:22:34,421 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-04-09 20:22:34,421 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-09 20:22:34,422 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-04-09 20:22:34,423 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 20:22:34,426 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:22:34,430 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:22:34,430 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:24, output treesize:7 [2018-04-09 20:22:34,490 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 252 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:22:34,510 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 20:22:34,511 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 51 [2018-04-09 20:22:34,511 INFO L442 AbstractCegarLoop]: Interpolant automaton has 52 states [2018-04-09 20:22:34,511 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2018-04-09 20:22:34,512 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=321, Invalid=2331, Unknown=0, NotChecked=0, Total=2652 [2018-04-09 20:22:34,512 INFO L87 Difference]: Start difference. First operand 107 states and 109 transitions. Second operand 52 states. [2018-04-09 20:22:36,567 WARN L151 SmtUtils]: Spent 119ms on a formula simplification. DAG size of input: 85 DAG size of output 70 [2018-04-09 20:22:38,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:22:38,258 INFO L93 Difference]: Finished difference Result 199 states and 208 transitions. [2018-04-09 20:22:38,288 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2018-04-09 20:22:38,289 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 104 [2018-04-09 20:22:38,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:22:38,290 INFO L225 Difference]: With dead ends: 199 [2018-04-09 20:22:38,290 INFO L226 Difference]: Without dead ends: 198 [2018-04-09 20:22:38,292 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2601 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=1519, Invalid=9401, Unknown=0, NotChecked=0, Total=10920 [2018-04-09 20:22:38,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2018-04-09 20:22:38,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 195. [2018-04-09 20:22:38,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2018-04-09 20:22:38,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 197 transitions. [2018-04-09 20:22:38,311 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 197 transitions. Word has length 104 [2018-04-09 20:22:38,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:22:38,312 INFO L459 AbstractCegarLoop]: Abstraction has 195 states and 197 transitions. [2018-04-09 20:22:38,312 INFO L460 AbstractCegarLoop]: Interpolant automaton has 52 states. [2018-04-09 20:22:38,312 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 197 transitions. [2018-04-09 20:22:38,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-04-09 20:22:38,314 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:22:38,315 INFO L355 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:22:38,315 INFO L408 AbstractCegarLoop]: === Iteration 17 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 20:22:38,315 INFO L82 PathProgramCache]: Analyzing trace with hash 1796227895, now seen corresponding path program 4 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:22:38,323 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:22:38,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:22:38,391 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:22:38,395 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 20:22:38,396 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:22:38,401 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 20:22:38,401 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 20:22:38,406 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:22:38,406 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:19, output treesize:14 [2018-04-09 20:22:38,419 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 20:22:38,420 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-04-09 20:22:38,421 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:22:38,428 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 20:22:38,429 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 20:22:38,429 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-09 20:22:38,429 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 20:22:38,434 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:22:38,434 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:15 [2018-04-09 20:22:39,442 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 1200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:22:39,442 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:22:41,334 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-04-09 20:22:41,335 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:22:41,338 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 15 [2018-04-09 20:22:41,346 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-04-09 20:22:41,346 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-09 20:22:41,347 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-04-09 20:22:41,347 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 20:22:41,350 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:22:41,353 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:22:41,354 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:24, output treesize:7 [2018-04-09 20:22:41,505 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 1200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:22:41,526 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 20:22:41,526 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 42] total 83 [2018-04-09 20:22:41,527 INFO L442 AbstractCegarLoop]: Interpolant automaton has 84 states [2018-04-09 20:22:41,527 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2018-04-09 20:22:41,529 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=969, Invalid=6003, Unknown=0, NotChecked=0, Total=6972 [2018-04-09 20:22:41,529 INFO L87 Difference]: Start difference. First operand 195 states and 197 transitions. Second operand 84 states. [2018-04-09 20:22:46,277 WARN L151 SmtUtils]: Spent 184ms on a formula simplification. DAG size of input: 149 DAG size of output 118 [2018-04-09 20:22:46,550 WARN L151 SmtUtils]: Spent 132ms on a formula simplification. DAG size of input: 138 DAG size of output 110 [2018-04-09 20:22:46,782 WARN L151 SmtUtils]: Spent 125ms on a formula simplification. DAG size of input: 134 DAG size of output 106 [2018-04-09 20:22:47,011 WARN L151 SmtUtils]: Spent 131ms on a formula simplification. DAG size of input: 134 DAG size of output 106 [2018-04-09 20:22:47,241 WARN L151 SmtUtils]: Spent 120ms on a formula simplification. DAG size of input: 130 DAG size of output 104 [2018-04-09 20:22:47,461 WARN L151 SmtUtils]: Spent 117ms on a formula simplification. DAG size of input: 126 DAG size of output 100 [2018-04-09 20:22:47,687 WARN L151 SmtUtils]: Spent 116ms on a formula simplification. DAG size of input: 126 DAG size of output 100 [2018-04-09 20:22:47,902 WARN L151 SmtUtils]: Spent 110ms on a formula simplification. DAG size of input: 122 DAG size of output 98 [2018-04-09 20:22:48,110 WARN L151 SmtUtils]: Spent 105ms on a formula simplification. DAG size of input: 118 DAG size of output 94 [2018-04-09 20:22:48,318 WARN L151 SmtUtils]: Spent 112ms on a formula simplification. DAG size of input: 118 DAG size of output 94 [2018-04-09 20:22:48,529 WARN L151 SmtUtils]: Spent 102ms on a formula simplification. DAG size of input: 114 DAG size of output 92 [2018-04-09 20:22:48,951 WARN L151 SmtUtils]: Spent 106ms on a formula simplification. DAG size of input: 110 DAG size of output 88 [2018-04-09 20:22:50,285 WARN L151 SmtUtils]: Spent 111ms on a formula simplification. DAG size of input: 90 DAG size of output 74 [2018-04-09 20:22:53,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:22:53,367 INFO L93 Difference]: Finished difference Result 375 states and 392 transitions. [2018-04-09 20:22:53,367 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2018-04-09 20:22:53,367 INFO L78 Accepts]: Start accepts. Automaton has 84 states. Word has length 192 [2018-04-09 20:22:53,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:22:53,369 INFO L225 Difference]: With dead ends: 375 [2018-04-09 20:22:53,369 INFO L226 Difference]: Without dead ends: 374 [2018-04-09 20:22:53,375 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 484 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 183 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9453 ImplicationChecksByTransitivity, 12.3s TimeCoverageRelationStatistics Valid=5191, Invalid=28849, Unknown=0, NotChecked=0, Total=34040 [2018-04-09 20:22:53,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2018-04-09 20:22:53,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 371. [2018-04-09 20:22:53,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 371 states. [2018-04-09 20:22:53,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 373 transitions. [2018-04-09 20:22:53,412 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 373 transitions. Word has length 192 [2018-04-09 20:22:53,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:22:53,412 INFO L459 AbstractCegarLoop]: Abstraction has 371 states and 373 transitions. [2018-04-09 20:22:53,412 INFO L460 AbstractCegarLoop]: Interpolant automaton has 84 states. [2018-04-09 20:22:53,412 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 373 transitions. [2018-04-09 20:22:53,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2018-04-09 20:22:53,418 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:22:53,418 INFO L355 BasicCegarLoop]: trace histogram [32, 32, 31, 31, 31, 31, 31, 31, 31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:22:53,418 INFO L408 AbstractCegarLoop]: === Iteration 18 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 20:22:53,419 INFO L82 PathProgramCache]: Analyzing trace with hash 37849143, now seen corresponding path program 5 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:22:53,429 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:22:53,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:22:53,549 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:22:53,554 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 20:22:53,555 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:22:53,560 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 20:22:53,561 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 20:22:53,565 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:22:53,565 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:19, output treesize:14 [2018-04-09 20:22:53,578 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 20:22:53,579 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-04-09 20:22:53,579 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:22:53,586 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 20:22:53,587 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 20:22:53,587 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-09 20:22:53,588 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 20:22:53,591 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:22:53,592 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:15 [2018-04-09 20:22:56,560 INFO L134 CoverageAnalysis]: Checked inductivity of 5208 backedges. 0 proven. 5208 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:22:56,560 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:23:02,221 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-04-09 20:23:02,221 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:23:02,224 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 15 [2018-04-09 20:23:02,232 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-04-09 20:23:02,232 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-09 20:23:02,233 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-04-09 20:23:02,233 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 20:23:02,236 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:23:02,238 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:23:02,239 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:24, output treesize:7 [2018-04-09 20:23:02,735 INFO L134 CoverageAnalysis]: Checked inductivity of 5208 backedges. 0 proven. 5208 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:23:02,757 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 20:23:02,757 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [74, 74] total 147 [2018-04-09 20:23:02,758 INFO L442 AbstractCegarLoop]: Interpolant automaton has 148 states [2018-04-09 20:23:02,759 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 148 interpolants. [2018-04-09 20:23:02,760 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3417, Invalid=18339, Unknown=0, NotChecked=0, Total=21756 [2018-04-09 20:23:02,761 INFO L87 Difference]: Start difference. First operand 371 states and 373 transitions. Second operand 148 states. [2018-04-09 20:23:16,539 WARN L151 SmtUtils]: Spent 401ms on a formula simplification. DAG size of input: 277 DAG size of output 214 [2018-04-09 20:23:17,263 WARN L151 SmtUtils]: Spent 324ms on a formula simplification. DAG size of input: 266 DAG size of output 206 [2018-04-09 20:23:17,911 WARN L151 SmtUtils]: Spent 312ms on a formula simplification. DAG size of input: 262 DAG size of output 202 [2018-04-09 20:23:18,494 WARN L151 SmtUtils]: Spent 315ms on a formula simplification. DAG size of input: 262 DAG size of output 202 [2018-04-09 20:23:19,135 WARN L151 SmtUtils]: Spent 317ms on a formula simplification. DAG size of input: 258 DAG size of output 200 [2018-04-09 20:23:19,757 WARN L151 SmtUtils]: Spent 303ms on a formula simplification. DAG size of input: 254 DAG size of output 196 [2018-04-09 20:23:20,402 WARN L151 SmtUtils]: Spent 380ms on a formula simplification. DAG size of input: 254 DAG size of output 196 [2018-04-09 20:23:21,016 WARN L151 SmtUtils]: Spent 297ms on a formula simplification. DAG size of input: 250 DAG size of output 194 [2018-04-09 20:23:21,604 WARN L151 SmtUtils]: Spent 279ms on a formula simplification. DAG size of input: 246 DAG size of output 190 [2018-04-09 20:23:22,143 WARN L151 SmtUtils]: Spent 278ms on a formula simplification. DAG size of input: 246 DAG size of output 190 [2018-04-09 20:23:22,733 WARN L151 SmtUtils]: Spent 276ms on a formula simplification. DAG size of input: 242 DAG size of output 188 [2018-04-09 20:23:23,324 WARN L151 SmtUtils]: Spent 272ms on a formula simplification. DAG size of input: 238 DAG size of output 184 [2018-04-09 20:23:23,850 WARN L151 SmtUtils]: Spent 265ms on a formula simplification. DAG size of input: 238 DAG size of output 184 [2018-04-09 20:23:24,410 WARN L151 SmtUtils]: Spent 257ms on a formula simplification. DAG size of input: 234 DAG size of output 182 [2018-04-09 20:23:24,979 WARN L151 SmtUtils]: Spent 266ms on a formula simplification. DAG size of input: 230 DAG size of output 178 [2018-04-09 20:23:25,495 WARN L151 SmtUtils]: Spent 254ms on a formula simplification. DAG size of input: 230 DAG size of output 178 [2018-04-09 20:23:26,046 WARN L151 SmtUtils]: Spent 250ms on a formula simplification. DAG size of input: 226 DAG size of output 176 [2018-04-09 20:23:26,593 WARN L151 SmtUtils]: Spent 248ms on a formula simplification. DAG size of input: 222 DAG size of output 172 [2018-04-09 20:23:27,118 WARN L151 SmtUtils]: Spent 259ms on a formula simplification. DAG size of input: 222 DAG size of output 172 [2018-04-09 20:23:27,656 WARN L151 SmtUtils]: Spent 237ms on a formula simplification. DAG size of input: 218 DAG size of output 170 [2018-04-09 20:23:28,181 WARN L151 SmtUtils]: Spent 230ms on a formula simplification. DAG size of input: 214 DAG size of output 166 [2018-04-09 20:23:28,675 WARN L151 SmtUtils]: Spent 233ms on a formula simplification. DAG size of input: 214 DAG size of output 166 [2018-04-09 20:23:29,213 WARN L151 SmtUtils]: Spent 244ms on a formula simplification. DAG size of input: 210 DAG size of output 164 [2018-04-09 20:23:29,757 WARN L151 SmtUtils]: Spent 231ms on a formula simplification. DAG size of input: 206 DAG size of output 160 [2018-04-09 20:23:30,258 WARN L151 SmtUtils]: Spent 229ms on a formula simplification. DAG size of input: 206 DAG size of output 160 [2018-04-09 20:23:30,783 WARN L151 SmtUtils]: Spent 222ms on a formula simplification. DAG size of input: 202 DAG size of output 158 [2018-04-09 20:23:31,303 WARN L151 SmtUtils]: Spent 218ms on a formula simplification. DAG size of input: 198 DAG size of output 154 [2018-04-09 20:23:31,772 WARN L151 SmtUtils]: Spent 209ms on a formula simplification. DAG size of input: 198 DAG size of output 154 [2018-04-09 20:23:32,261 WARN L151 SmtUtils]: Spent 202ms on a formula simplification. DAG size of input: 194 DAG size of output 152 [2018-04-09 20:23:32,745 WARN L151 SmtUtils]: Spent 199ms on a formula simplification. DAG size of input: 190 DAG size of output 148 [2018-04-09 20:23:33,199 WARN L151 SmtUtils]: Spent 196ms on a formula simplification. DAG size of input: 190 DAG size of output 148 [2018-04-09 20:23:33,683 WARN L151 SmtUtils]: Spent 193ms on a formula simplification. DAG size of input: 186 DAG size of output 146 [2018-04-09 20:23:34,144 WARN L151 SmtUtils]: Spent 185ms on a formula simplification. DAG size of input: 182 DAG size of output 142 [2018-04-09 20:23:34,585 WARN L151 SmtUtils]: Spent 187ms on a formula simplification. DAG size of input: 182 DAG size of output 142 [2018-04-09 20:23:35,044 WARN L151 SmtUtils]: Spent 182ms on a formula simplification. DAG size of input: 178 DAG size of output 140 [2018-04-09 20:23:35,501 WARN L151 SmtUtils]: Spent 187ms on a formula simplification. DAG size of input: 174 DAG size of output 136 [2018-04-09 20:23:35,927 WARN L151 SmtUtils]: Spent 176ms on a formula simplification. DAG size of input: 174 DAG size of output 136 [2018-04-09 20:23:36,368 WARN L151 SmtUtils]: Spent 172ms on a formula simplification. DAG size of input: 170 DAG size of output 134 [2018-04-09 20:23:36,804 WARN L151 SmtUtils]: Spent 170ms on a formula simplification. DAG size of input: 166 DAG size of output 130 [2018-04-09 20:23:37,219 WARN L151 SmtUtils]: Spent 165ms on a formula simplification. DAG size of input: 166 DAG size of output 130 [2018-04-09 20:23:37,647 WARN L151 SmtUtils]: Spent 163ms on a formula simplification. DAG size of input: 162 DAG size of output 128 [2018-04-09 20:23:38,076 WARN L151 SmtUtils]: Spent 155ms on a formula simplification. DAG size of input: 158 DAG size of output 124 [2018-04-09 20:23:38,479 WARN L151 SmtUtils]: Spent 156ms on a formula simplification. DAG size of input: 158 DAG size of output 124 [2018-04-09 20:23:38,884 WARN L151 SmtUtils]: Spent 149ms on a formula simplification. DAG size of input: 154 DAG size of output 122 [2018-04-09 20:23:39,284 WARN L151 SmtUtils]: Spent 146ms on a formula simplification. DAG size of input: 150 DAG size of output 118 [2018-04-09 20:23:39,671 WARN L151 SmtUtils]: Spent 145ms on a formula simplification. DAG size of input: 150 DAG size of output 118 [2018-04-09 20:23:40,071 WARN L151 SmtUtils]: Spent 139ms on a formula simplification. DAG size of input: 146 DAG size of output 116 [2018-04-09 20:23:40,455 WARN L151 SmtUtils]: Spent 135ms on a formula simplification. DAG size of input: 142 DAG size of output 112 [2018-04-09 20:23:40,828 WARN L151 SmtUtils]: Spent 136ms on a formula simplification. DAG size of input: 142 DAG size of output 112 [2018-04-09 20:23:41,205 WARN L151 SmtUtils]: Spent 131ms on a formula simplification. DAG size of input: 138 DAG size of output 110 [2018-04-09 20:23:41,574 WARN L151 SmtUtils]: Spent 125ms on a formula simplification. DAG size of input: 134 DAG size of output 106 [2018-04-09 20:23:41,937 WARN L151 SmtUtils]: Spent 127ms on a formula simplification. DAG size of input: 134 DAG size of output 106 [2018-04-09 20:23:42,304 WARN L151 SmtUtils]: Spent 120ms on a formula simplification. DAG size of input: 130 DAG size of output 104 [2018-04-09 20:23:42,653 WARN L151 SmtUtils]: Spent 115ms on a formula simplification. DAG size of input: 126 DAG size of output 100 [2018-04-09 20:23:42,995 WARN L151 SmtUtils]: Spent 114ms on a formula simplification. DAG size of input: 126 DAG size of output 100 [2018-04-09 20:23:43,338 WARN L151 SmtUtils]: Spent 109ms on a formula simplification. DAG size of input: 122 DAG size of output 98 [2018-04-09 20:23:43,670 WARN L151 SmtUtils]: Spent 106ms on a formula simplification. DAG size of input: 118 DAG size of output 94 [2018-04-09 20:23:43,997 WARN L151 SmtUtils]: Spent 105ms on a formula simplification. DAG size of input: 118 DAG size of output 94 [2018-04-09 20:23:44,332 WARN L151 SmtUtils]: Spent 110ms on a formula simplification. DAG size of input: 114 DAG size of output 92 [2018-04-09 20:23:52,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:23:52,118 INFO L93 Difference]: Finished difference Result 727 states and 760 transitions. [2018-04-09 20:23:52,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 201 states. [2018-04-09 20:23:52,118 INFO L78 Accepts]: Start accepts. Automaton has 148 states. Word has length 368 [2018-04-09 20:23:52,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:23:52,121 INFO L225 Difference]: With dead ends: 727 [2018-04-09 20:23:52,121 INFO L226 Difference]: Without dead ends: 726 [2018-04-09 20:23:52,128 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 932 GetRequests, 589 SyntacticMatches, 0 SemanticMatches, 343 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36021 ImplicationChecksByTransitivity, 50.3s TimeCoverageRelationStatistics Valid=19447, Invalid=99233, Unknown=0, NotChecked=0, Total=118680 [2018-04-09 20:23:52,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2018-04-09 20:23:52,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 723. [2018-04-09 20:23:52,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 723 states. [2018-04-09 20:23:52,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 723 states and 725 transitions. [2018-04-09 20:23:52,189 INFO L78 Accepts]: Start accepts. Automaton has 723 states and 725 transitions. Word has length 368 [2018-04-09 20:23:52,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:23:52,189 INFO L459 AbstractCegarLoop]: Abstraction has 723 states and 725 transitions. [2018-04-09 20:23:52,190 INFO L460 AbstractCegarLoop]: Interpolant automaton has 148 states. [2018-04-09 20:23:52,190 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 725 transitions. [2018-04-09 20:23:52,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 721 [2018-04-09 20:23:52,193 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:23:52,193 INFO L355 BasicCegarLoop]: trace histogram [64, 64, 63, 63, 63, 63, 63, 63, 63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:23:52,194 INFO L408 AbstractCegarLoop]: === Iteration 19 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 20:23:52,194 INFO L82 PathProgramCache]: Analyzing trace with hash -1439034825, now seen corresponding path program 6 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:23:52,200 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:23:52,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:23:52,444 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:23:52,453 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 20:23:52,454 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:23:52,465 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 20:23:52,465 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 20:23:52,471 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:23:52,471 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:19, output treesize:14 [2018-04-09 20:23:52,488 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 20:23:52,489 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 20:23:52,490 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-09 20:23:52,490 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:23:52,502 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-04-09 20:23:52,503 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 20:23:52,508 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:23:52,508 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:15 [2018-04-09 20:24:02,116 INFO L134 CoverageAnalysis]: Checked inductivity of 21672 backedges. 0 proven. 21672 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:24:02,117 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:24:21,645 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-04-09 20:24:21,645 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:24:21,649 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 15 [2018-04-09 20:24:21,656 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-04-09 20:24:21,657 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-09 20:24:21,658 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-04-09 20:24:21,658 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 20:24:21,662 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:24:21,665 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:24:21,665 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:24, output treesize:7 [2018-04-09 20:24:23,422 INFO L134 CoverageAnalysis]: Checked inductivity of 21672 backedges. 0 proven. 21672 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:24:23,445 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 20:24:23,445 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [138, 138] total 275 [2018-04-09 20:24:23,446 INFO L442 AbstractCegarLoop]: Interpolant automaton has 276 states [2018-04-09 20:24:23,447 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 276 interpolants. [2018-04-09 20:24:23,449 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12921, Invalid=62979, Unknown=0, NotChecked=0, Total=75900 [2018-04-09 20:24:23,450 INFO L87 Difference]: Start difference. First operand 723 states and 725 transitions. Second operand 276 states. [2018-04-09 20:25:08,635 WARN L151 SmtUtils]: Spent 1036ms on a formula simplification. DAG size of input: 533 DAG size of output 406 [2018-04-09 20:25:10,736 WARN L151 SmtUtils]: Spent 880ms on a formula simplification. DAG size of input: 522 DAG size of output 398 [2018-04-09 20:25:12,764 WARN L151 SmtUtils]: Spent 878ms on a formula simplification. DAG size of input: 518 DAG size of output 394 [2018-04-09 20:25:14,507 WARN L151 SmtUtils]: Spent 874ms on a formula simplification. DAG size of input: 518 DAG size of output 394 [2018-04-09 20:25:16,478 WARN L151 SmtUtils]: Spent 860ms on a formula simplification. DAG size of input: 514 DAG size of output 392 [2018-04-09 20:25:18,428 WARN L151 SmtUtils]: Spent 847ms on a formula simplification. DAG size of input: 510 DAG size of output 388 [2018-04-09 20:25:20,173 WARN L151 SmtUtils]: Spent 862ms on a formula simplification. DAG size of input: 510 DAG size of output 388 [2018-04-09 20:25:22,106 WARN L151 SmtUtils]: Spent 834ms on a formula simplification. DAG size of input: 506 DAG size of output 386 [2018-04-09 20:25:24,109 WARN L151 SmtUtils]: Spent 837ms on a formula simplification. DAG size of input: 502 DAG size of output 382 [2018-04-09 20:25:25,800 WARN L151 SmtUtils]: Spent 825ms on a formula simplification. DAG size of input: 502 DAG size of output 382 [2018-04-09 20:25:27,710 WARN L151 SmtUtils]: Spent 816ms on a formula simplification. DAG size of input: 498 DAG size of output 380 [2018-04-09 20:25:29,610 WARN L151 SmtUtils]: Spent 811ms on a formula simplification. DAG size of input: 494 DAG size of output 376 [2018-04-09 20:25:31,271 WARN L151 SmtUtils]: Spent 797ms on a formula simplification. DAG size of input: 494 DAG size of output 376 [2018-04-09 20:25:33,168 WARN L151 SmtUtils]: Spent 793ms on a formula simplification. DAG size of input: 490 DAG size of output 374 [2018-04-09 20:25:35,024 WARN L151 SmtUtils]: Spent 786ms on a formula simplification. DAG size of input: 486 DAG size of output 370 [2018-04-09 20:25:36,674 WARN L151 SmtUtils]: Spent 780ms on a formula simplification. DAG size of input: 486 DAG size of output 370 [2018-04-09 20:25:38,525 WARN L151 SmtUtils]: Spent 776ms on a formula simplification. DAG size of input: 482 DAG size of output 368 [2018-04-09 20:25:40,354 WARN L151 SmtUtils]: Spent 759ms on a formula simplification. DAG size of input: 478 DAG size of output 364 [2018-04-09 20:25:41,983 WARN L151 SmtUtils]: Spent 762ms on a formula simplification. DAG size of input: 478 DAG size of output 364 [2018-04-09 20:25:43,824 WARN L151 SmtUtils]: Spent 752ms on a formula simplification. DAG size of input: 474 DAG size of output 362 [2018-04-09 20:25:45,639 WARN L151 SmtUtils]: Spent 745ms on a formula simplification. DAG size of input: 470 DAG size of output 358 [2018-04-09 20:25:47,264 WARN L151 SmtUtils]: Spent 754ms on a formula simplification. DAG size of input: 470 DAG size of output 358 [2018-04-09 20:25:49,067 WARN L151 SmtUtils]: Spent 737ms on a formula simplification. DAG size of input: 466 DAG size of output 356 [2018-04-09 20:25:50,849 WARN L151 SmtUtils]: Spent 724ms on a formula simplification. DAG size of input: 462 DAG size of output 352 [2018-04-09 20:25:52,444 WARN L151 SmtUtils]: Spent 733ms on a formula simplification. DAG size of input: 462 DAG size of output 352 [2018-04-09 20:25:54,259 WARN L151 SmtUtils]: Spent 740ms on a formula simplification. DAG size of input: 458 DAG size of output 350 [2018-04-09 20:25:56,023 WARN L151 SmtUtils]: Spent 706ms on a formula simplification. DAG size of input: 454 DAG size of output 346 [2018-04-09 20:25:57,606 WARN L151 SmtUtils]: Spent 707ms on a formula simplification. DAG size of input: 454 DAG size of output 346 [2018-04-09 20:25:59,365 WARN L151 SmtUtils]: Spent 702ms on a formula simplification. DAG size of input: 450 DAG size of output 344 [2018-04-09 20:26:01,121 WARN L151 SmtUtils]: Spent 698ms on a formula simplification. DAG size of input: 446 DAG size of output 340 [2018-04-09 20:26:02,690 WARN L151 SmtUtils]: Spent 695ms on a formula simplification. DAG size of input: 446 DAG size of output 340 [2018-04-09 20:26:04,454 WARN L151 SmtUtils]: Spent 683ms on a formula simplification. DAG size of input: 442 DAG size of output 338 [2018-04-09 20:26:06,190 WARN L151 SmtUtils]: Spent 683ms on a formula simplification. DAG size of input: 438 DAG size of output 334 [2018-04-09 20:26:07,738 WARN L151 SmtUtils]: Spent 675ms on a formula simplification. DAG size of input: 438 DAG size of output 334 [2018-04-09 20:26:09,437 WARN L151 SmtUtils]: Spent 656ms on a formula simplification. DAG size of input: 434 DAG size of output 332 [2018-04-09 20:26:11,130 WARN L151 SmtUtils]: Spent 659ms on a formula simplification. DAG size of input: 430 DAG size of output 328 [2018-04-09 20:26:12,656 WARN L151 SmtUtils]: Spent 654ms on a formula simplification. DAG size of input: 430 DAG size of output 328 [2018-04-09 20:26:14,333 WARN L151 SmtUtils]: Spent 640ms on a formula simplification. DAG size of input: 426 DAG size of output 326 [2018-04-09 20:26:16,005 WARN L151 SmtUtils]: Spent 638ms on a formula simplification. DAG size of input: 422 DAG size of output 322 [2018-04-09 20:26:17,515 WARN L151 SmtUtils]: Spent 639ms on a formula simplification. DAG size of input: 422 DAG size of output 322 [2018-04-09 20:26:19,176 WARN L151 SmtUtils]: Spent 634ms on a formula simplification. DAG size of input: 418 DAG size of output 320 [2018-04-09 20:26:20,818 WARN L151 SmtUtils]: Spent 622ms on a formula simplification. DAG size of input: 414 DAG size of output 316 [2018-04-09 20:26:22,333 WARN L151 SmtUtils]: Spent 619ms on a formula simplification. DAG size of input: 414 DAG size of output 316 [2018-04-09 20:26:23,966 WARN L151 SmtUtils]: Spent 612ms on a formula simplification. DAG size of input: 410 DAG size of output 314 [2018-04-09 20:26:25,589 WARN L151 SmtUtils]: Spent 606ms on a formula simplification. DAG size of input: 406 DAG size of output 310 [2018-04-09 20:26:27,067 WARN L151 SmtUtils]: Spent 604ms on a formula simplification. DAG size of input: 406 DAG size of output 310 [2018-04-09 20:26:28,685 WARN L151 SmtUtils]: Spent 598ms on a formula simplification. DAG size of input: 402 DAG size of output 308 [2018-04-09 20:26:30,282 WARN L151 SmtUtils]: Spent 591ms on a formula simplification. DAG size of input: 398 DAG size of output 304 [2018-04-09 20:26:31,745 WARN L151 SmtUtils]: Spent 582ms on a formula simplification. DAG size of input: 398 DAG size of output 304 [2018-04-09 20:26:33,322 WARN L151 SmtUtils]: Spent 573ms on a formula simplification. DAG size of input: 394 DAG size of output 302 [2018-04-09 20:26:34,893 WARN L151 SmtUtils]: Spent 569ms on a formula simplification. DAG size of input: 390 DAG size of output 298 [2018-04-09 20:26:36,322 WARN L151 SmtUtils]: Spent 565ms on a formula simplification. DAG size of input: 390 DAG size of output 298 Received shutdown request... [2018-04-09 20:26:36,703 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 256 states. [2018-04-09 20:26:36,703 WARN L519 AbstractCegarLoop]: Verification canceled [2018-04-09 20:26:36,706 WARN L197 ceAbstractionStarter]: Timeout [2018-04-09 20:26:36,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.04 08:26:36 BoogieIcfgContainer [2018-04-09 20:26:36,707 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-09 20:26:36,707 INFO L168 Benchmark]: Toolchain (without parser) took 255685.78 ms. Allocated memory was 303.0 MB in the beginning and 408.9 MB in the end (delta: 105.9 MB). Free memory was 237.0 MB in the beginning and 269.9 MB in the end (delta: -32.9 MB). Peak memory consumption was 129.9 MB. Max. memory is 5.3 GB. [2018-04-09 20:26:36,708 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 303.0 MB. Free memory is still 265.1 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-09 20:26:36,709 INFO L168 Benchmark]: CACSL2BoogieTranslator took 341.63 ms. Allocated memory is still 303.0 MB. Free memory was 237.0 MB in the beginning and 213.1 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. [2018-04-09 20:26:36,709 INFO L168 Benchmark]: Boogie Preprocessor took 55.27 ms. Allocated memory is still 303.0 MB. Free memory was 213.1 MB in the beginning and 210.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. [2018-04-09 20:26:36,709 INFO L168 Benchmark]: RCFGBuilder took 507.13 ms. Allocated memory was 303.0 MB in the beginning and 461.9 MB in the end (delta: 158.9 MB). Free memory was 210.1 MB in the beginning and 399.6 MB in the end (delta: -189.5 MB). Peak memory consumption was 21.4 MB. Max. memory is 5.3 GB. [2018-04-09 20:26:36,709 INFO L168 Benchmark]: TraceAbstraction took 254778.17 ms. Allocated memory was 461.9 MB in the beginning and 408.9 MB in the end (delta: -53.0 MB). Free memory was 398.3 MB in the beginning and 269.9 MB in the end (delta: 128.4 MB). Peak memory consumption was 132.3 MB. Max. memory is 5.3 GB. [2018-04-09 20:26:36,711 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 303.0 MB. Free memory is still 265.1 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 341.63 ms. Allocated memory is still 303.0 MB. Free memory was 237.0 MB in the beginning and 213.1 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 55.27 ms. Allocated memory is still 303.0 MB. Free memory was 213.1 MB in the beginning and 210.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 507.13 ms. Allocated memory was 303.0 MB in the beginning and 461.9 MB in the end (delta: 158.9 MB). Free memory was 210.1 MB in the beginning and 399.6 MB in the end (delta: -189.5 MB). Peak memory consumption was 21.4 MB. Max. memory is 5.3 GB. * TraceAbstraction took 254778.17 ms. Allocated memory was 461.9 MB in the beginning and 408.9 MB in the end (delta: -53.0 MB). Free memory was 398.3 MB in the beginning and 269.9 MB in the end (delta: 128.4 MB). Peak memory consumption was 132.3 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 544]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 544). Cancelled while BasicCegarLoop was constructing difference of abstraction (723states) and interpolant automaton (currently 256 states, 276 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 528 known predicates. - TimeoutResultAtElement [Line: 544]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 544). Cancelled while BasicCegarLoop was constructing difference of abstraction (723states) and interpolant automaton (currently 256 states, 276 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 528 known predicates. - TimeoutResultAtElement [Line: 544]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 544). Cancelled while BasicCegarLoop was constructing difference of abstraction (723states) and interpolant automaton (currently 256 states, 276 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 528 known predicates. - TimeoutResultAtElement [Line: 544]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 544). Cancelled while BasicCegarLoop was constructing difference of abstraction (723states) and interpolant automaton (currently 256 states, 276 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 528 known predicates. - TimeoutResultAtElement [Line: 559]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 559). Cancelled while BasicCegarLoop was constructing difference of abstraction (723states) and interpolant automaton (currently 256 states, 276 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 528 known predicates. - TimeoutResultAtElement [Line: 547]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 547). Cancelled while BasicCegarLoop was constructing difference of abstraction (723states) and interpolant automaton (currently 256 states, 276 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 528 known predicates. - TimeoutResultAtElement [Line: 559]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 559). Cancelled while BasicCegarLoop was constructing difference of abstraction (723states) and interpolant automaton (currently 256 states, 276 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 528 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 69 locations, 7 error locations. TIMEOUT Result, 254.7s OverallTime, 19 OverallIterations, 64 TraceHistogramMax, 203.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1353 SDtfs, 15658 SDslu, 61915 SDs, 0 SdLazy, 67206 SolverSat, 5812 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 30.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4485 GetRequests, 3026 SyntacticMatches, 13 SemanticMatches, 1445 ConstructedPredicates, 20 IntricatePredicates, 0 DeprecatedPredicates, 123688 ImplicationChecksByTransitivity, 209.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=723occurred in iteration=18, 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: 0.2s AutomataMinimizationTime, 18 MinimizatonAttempts, 198 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 49.6s InterpolantComputationTime, 1890 NumberOfCodeBlocks, 1890 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 3742 ConstructedInterpolants, 148 QuantifiedInterpolants, 28772934 SizeOfPredicates, 161 NumberOfNonLiveVariables, 5737 ConjunctsInSsa, 1173 ConjunctsInUnsatCore, 38 InterpolantComputations, 22 PerfectInterpolantSequences, 0/56788 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-09_20-26-36-717.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-09_20-26-36-717.csv Completed graceful shutdown