java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv --cacsl2boogietranslator.bitprecise.bitfields false -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf -i ../../../trunk/examples/svcomp/array-memsafety/openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-408c70d-m [2018-04-12 20:00:34,394 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-12 20:00:34,396 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-12 20:00:34,408 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-12 20:00:34,408 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-12 20:00:34,409 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-12 20:00:34,409 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-12 20:00:34,411 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-12 20:00:34,412 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-12 20:00:34,413 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-12 20:00:34,414 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-12 20:00:34,414 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-12 20:00:34,415 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-12 20:00:34,416 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-12 20:00:34,417 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-12 20:00:34,419 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-12 20:00:34,420 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-12 20:00:34,421 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-12 20:00:34,422 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-12 20:00:34,423 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-12 20:00:34,425 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-04-12 20:00:34,429 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-12 20:00:34,430 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-12 20:00:34,430 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf [2018-04-12 20:00:34,440 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-12 20:00:34,440 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-12 20:00:34,441 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-12 20:00:34,441 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-12 20:00:34,441 INFO L133 SettingsManager]: * Use SBE=true [2018-04-12 20:00:34,441 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-12 20:00:34,441 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-12 20:00:34,441 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-12 20:00:34,442 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-12 20:00:34,442 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-12 20:00:34,442 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-12 20:00:34,442 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-12 20:00:34,442 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-12 20:00:34,442 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-12 20:00:34,442 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-12 20:00:34,443 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-12 20:00:34,443 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-12 20:00:34,443 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-12 20:00:34,443 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-12 20:00:34,443 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-12 20:00:34,443 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-12 20:00:34,443 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-12 20:00:34,473 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-12 20:00:34,481 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-12 20:00:34,484 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-12 20:00:34,485 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-12 20:00:34,485 INFO L276 PluginConnector]: CDTParser initialized [2018-04-12 20:00:34,486 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,724 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG986ca2ec5 [2018-04-12 20:00:34,843 INFO L287 CDTParser]: IsIndexed: true [2018-04-12 20:00:34,843 INFO L288 CDTParser]: Found 1 translation units. [2018-04-12 20:00:34,843 INFO L168 CDTParser]: Scanning openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,852 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-12 20:00:34,852 INFO L215 ultiparseSymbolTable]: [2018-04-12 20:00:34,852 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-12 20:00:34,852 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy ('cstpcpy') in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,853 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____bswap_64 ('__bswap_64') in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,853 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,853 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____bswap_32 ('__bswap_32') in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,853 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-12 20:00:34,853 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____u_char in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,853 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__pthread_key_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,853 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____off64_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,853 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____blksize_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,853 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__blksize_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,853 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____qaddr_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,854 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__u_quad_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,854 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__int16_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,854 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____dev_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,854 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____fsblkcnt_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,854 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__uid_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,854 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__lldiv_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,854 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____caddr_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,854 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__fd_set in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,854 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____u_long in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,854 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__div_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,855 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__u_char in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,855 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__time_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,855 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__ulong in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,855 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__caddr_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,855 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____pthread_list_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,855 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__pthread_barrierattr_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,855 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__blkcnt_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,855 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__pthread_rwlock_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,855 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__sigset_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,855 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____uint32_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,855 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____int16_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,856 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____intptr_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,856 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____u_quad_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,856 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____gid_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,856 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__size_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,856 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____ssize_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,856 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__pthread_mutexattr_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,856 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____quad_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,856 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____pid_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,856 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____ino64_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,857 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__key_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,857 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____socklen_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,857 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__int32_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,857 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____rlim_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,857 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,857 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____blkcnt64_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,857 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____off_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,857 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__pthread_barrier_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,857 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__fd_mask in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,857 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__fsfilcnt_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,858 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____int32_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,858 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____nlink_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,858 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____suseconds_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,858 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__timer_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,858 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__u_int32_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,858 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__clockid_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,858 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__u_int8_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,858 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__u_int in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,858 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__pthread_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,858 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____id_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,858 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____syscall_ulong_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,859 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____timer_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,859 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__fsblkcnt_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,859 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____sig_atomic_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,859 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____int64_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,859 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__pthread_attr_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,859 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____uid_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,859 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____fd_mask in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,859 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__nlink_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,859 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____fsblkcnt64_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,859 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__uint in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,860 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__wchar_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,860 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____useconds_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,860 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__loff_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,860 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__ssize_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,860 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____uint64_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,860 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____fsword_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,860 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__pthread_spinlock_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,860 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__u_int16_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,861 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__register_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,861 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__quad_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,861 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__off_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,861 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____u_int in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,861 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__u_short in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,861 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____clockid_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,861 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____sigset_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,861 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__pthread_cond_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,861 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____blkcnt_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,861 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__id_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,861 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__pthread_once_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,861 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__dev_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,862 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__u_long in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,862 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____mode_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,862 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____fsid_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,862 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____syscall_slong_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,862 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____ino_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,862 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____time_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,862 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__int8_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,862 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____u_short in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,862 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__u_int64_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,862 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__pthread_mutex_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,862 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____fsfilcnt64_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,863 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__clock_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,863 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__suseconds_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,863 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__ushort in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,863 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__gid_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,863 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__ldiv_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,863 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__ino_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,863 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__pid_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,863 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____clock_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,863 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____uint8_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,863 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____daddr_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,863 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____key_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,864 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__mode_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,864 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__fsid_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,864 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____int8_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,864 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__int64_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,864 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____loff_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,864 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__daddr_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,864 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____rlim64_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,864 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____fsfilcnt_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,864 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____uint16_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,864 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____WAIT_STATUS in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,864 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__pthread_condattr_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:34,877 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG986ca2ec5 [2018-04-12 20:00:34,880 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-12 20:00:34,881 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-12 20:00:34,882 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-12 20:00:34,882 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-12 20:00:34,886 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-12 20:00:34,886 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 08:00:34" (1/1) ... [2018-04-12 20:00:34,888 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b2d0183 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 08:00:34, skipping insertion in model container [2018-04-12 20:00:34,888 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 08:00:34" (1/1) ... [2018-04-12 20:00:34,900 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 20:00:34,921 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 20:00:35,046 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 20:00:35,083 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 20:00:35,088 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-12 20:00:35,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 08:00:35 WrapperNode [2018-04-12 20:00:35,118 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-12 20:00:35,118 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-12 20:00:35,118 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-12 20:00:35,119 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-12 20:00:35,126 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 08:00:35" (1/1) ... [2018-04-12 20:00:35,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 08:00:35" (1/1) ... [2018-04-12 20:00:35,137 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 08:00:35" (1/1) ... [2018-04-12 20:00:35,138 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 08:00:35" (1/1) ... [2018-04-12 20:00:35,144 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 08:00:35" (1/1) ... [2018-04-12 20:00:35,149 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 08:00:35" (1/1) ... [2018-04-12 20:00:35,151 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 08:00:35" (1/1) ... [2018-04-12 20:00:35,154 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-12 20:00:35,155 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-12 20:00:35,155 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-12 20:00:35,155 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-12 20:00:35,156 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 08:00:35" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-12 20:00:35,246 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-12 20:00:35,246 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-12 20:00:35,246 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-12 20:00:35,246 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-12 20:00:35,246 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy [2018-04-12 20:00:35,246 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-12 20:00:35,247 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-12 20:00:35,247 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-12 20:00:35,247 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-12 20:00:35,247 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-12 20:00:35,247 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-12 20:00:35,247 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-12 20:00:35,247 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-12 20:00:35,247 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-12 20:00:35,247 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-12 20:00:35,247 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-12 20:00:35,247 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-12 20:00:35,248 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-12 20:00:35,248 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-12 20:00:35,248 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-12 20:00:35,248 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-12 20:00:35,248 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-12 20:00:35,248 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-12 20:00:35,248 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-12 20:00:35,248 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-12 20:00:35,248 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-12 20:00:35,249 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-12 20:00:35,249 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-12 20:00:35,249 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-12 20:00:35,249 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-12 20:00:35,249 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-12 20:00:35,249 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-12 20:00:35,249 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-12 20:00:35,249 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-12 20:00:35,249 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-12 20:00:35,249 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-12 20:00:35,250 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-12 20:00:35,250 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-12 20:00:35,250 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-12 20:00:35,250 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-12 20:00:35,250 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-12 20:00:35,250 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-12 20:00:35,250 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-12 20:00:35,250 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-12 20:00:35,250 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-12 20:00:35,251 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-12 20:00:35,251 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-12 20:00:35,251 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-12 20:00:35,251 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-12 20:00:35,251 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-12 20:00:35,251 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-12 20:00:35,251 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-12 20:00:35,251 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-12 20:00:35,251 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-12 20:00:35,251 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-12 20:00:35,251 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-12 20:00:35,251 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-12 20:00:35,251 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-12 20:00:35,252 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-12 20:00:35,252 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-12 20:00:35,252 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-12 20:00:35,252 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-12 20:00:35,252 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-12 20:00:35,252 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-12 20:00:35,252 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-12 20:00:35,252 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-12 20:00:35,252 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-12 20:00:35,252 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-12 20:00:35,253 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-12 20:00:35,253 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-12 20:00:35,253 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-12 20:00:35,253 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-12 20:00:35,253 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-12 20:00:35,253 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-12 20:00:35,253 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-12 20:00:35,253 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-12 20:00:35,253 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-12 20:00:35,253 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-12 20:00:35,253 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-12 20:00:35,253 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-12 20:00:35,253 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-12 20:00:35,253 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-12 20:00:35,253 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-12 20:00:35,254 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-12 20:00:35,254 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-12 20:00:35,254 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-12 20:00:35,254 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-12 20:00:35,254 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-12 20:00:35,254 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-12 20:00:35,254 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-12 20:00:35,254 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-12 20:00:35,254 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-12 20:00:35,254 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-12 20:00:35,254 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-12 20:00:35,254 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-12 20:00:35,254 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-12 20:00:35,254 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-12 20:00:35,255 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-12 20:00:35,255 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-12 20:00:35,255 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-12 20:00:35,255 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-12 20:00:35,255 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-12 20:00:35,255 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-12 20:00:35,255 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-12 20:00:35,255 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-12 20:00:35,255 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-12 20:00:35,255 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-12 20:00:35,256 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-12 20:00:35,256 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-12 20:00:35,256 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy [2018-04-12 20:00:35,256 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-12 20:00:35,256 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-12 20:00:35,256 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-12 20:00:35,256 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-12 20:00:35,256 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-12 20:00:35,256 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-12 20:00:35,256 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-12 20:00:35,257 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-12 20:00:35,504 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-12 20:00:35,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 08:00:35 BoogieIcfgContainer [2018-04-12 20:00:35,505 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-12 20:00:35,505 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-12 20:00:35,505 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-12 20:00:35,507 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-12 20:00:35,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.04 08:00:34" (1/3) ... [2018-04-12 20:00:35,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@738e5e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 08:00:35, skipping insertion in model container [2018-04-12 20:00:35,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 08:00:35" (2/3) ... [2018-04-12 20:00:35,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@738e5e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 08:00:35, skipping insertion in model container [2018-04-12 20:00:35,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 08:00:35" (3/3) ... [2018-04-12 20:00:35,509 INFO L107 eAbstractionObserver]: Analyzing ICFG openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:00:35,514 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-04-12 20:00:35,519 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2018-04-12 20:00:35,541 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-12 20:00:35,542 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-12 20:00:35,542 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-12 20:00:35,542 INFO L371 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-04-12 20:00:35,542 INFO L372 AbstractCegarLoop]: Backedges is CANONICAL [2018-04-12 20:00:35,542 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-12 20:00:35,542 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-12 20:00:35,542 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-12 20:00:35,542 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-12 20:00:35,543 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-12 20:00:35,549 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states. [2018-04-12 20:00:35,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-04-12 20:00:35,558 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:00:35,558 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 20:00:35,558 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr2RequiresViolation]=== [2018-04-12 20:00:35,561 INFO L82 PathProgramCache]: Analyzing trace with hash -449322580, now seen corresponding path program 1 times [2018-04-12 20:00:35,591 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:00:35,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:00:35,618 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:00:35,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:00:35,648 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 20:00:35,648 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 20:00:35,649 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:00:35,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:00:35,650 INFO L182 omatonBuilderFactory]: Interpolants [43#true, 44#false, 45#(<= 1 main_~length1~0), 46#(<= main_~length2~0 main_~length1~0)] [2018-04-12 20:00:35,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:00:35,651 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 20:00:35,662 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 20:00:35,663 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 20:00:35,665 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 4 states. [2018-04-12 20:00:35,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:00:35,718 INFO L93 Difference]: Finished difference Result 44 states and 47 transitions. [2018-04-12 20:00:35,719 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-12 20:00:35,720 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2018-04-12 20:00:35,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:00:35,729 INFO L225 Difference]: With dead ends: 44 [2018-04-12 20:00:35,729 INFO L226 Difference]: Without dead ends: 40 [2018-04-12 20:00:35,731 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 20:00:35,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-04-12 20:00:35,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 38. [2018-04-12 20:00:35,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-04-12 20:00:35,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 41 transitions. [2018-04-12 20:00:35,758 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 41 transitions. Word has length 10 [2018-04-12 20:00:35,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:00:35,758 INFO L459 AbstractCegarLoop]: Abstraction has 38 states and 41 transitions. [2018-04-12 20:00:35,758 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 20:00:35,758 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 41 transitions. [2018-04-12 20:00:35,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-04-12 20:00:35,759 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:00:35,759 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 20:00:35,759 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr2RequiresViolation]=== [2018-04-12 20:00:35,759 INFO L82 PathProgramCache]: Analyzing trace with hash -449320658, now seen corresponding path program 1 times [2018-04-12 20:00:35,760 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:00:35,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:00:35,768 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:00:35,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:00:35,781 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 20:00:35,781 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-04-12 20:00:35,782 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:00:35,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:00:35,782 INFO L182 omatonBuilderFactory]: Interpolants [131#true, 132#false, 133#(= |#valid| |old(#valid)|)] [2018-04-12 20:00:35,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:00:35,783 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-12 20:00:35,783 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-12 20:00:35,783 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-12 20:00:35,783 INFO L87 Difference]: Start difference. First operand 38 states and 41 transitions. Second operand 3 states. [2018-04-12 20:00:35,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:00:35,801 INFO L93 Difference]: Finished difference Result 39 states and 41 transitions. [2018-04-12 20:00:35,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-12 20:00:35,802 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-04-12 20:00:35,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:00:35,802 INFO L225 Difference]: With dead ends: 39 [2018-04-12 20:00:35,802 INFO L226 Difference]: Without dead ends: 38 [2018-04-12 20:00:35,803 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-12 20:00:35,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-04-12 20:00:35,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 37. [2018-04-12 20:00:35,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-04-12 20:00:35,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 39 transitions. [2018-04-12 20:00:35,805 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 39 transitions. Word has length 10 [2018-04-12 20:00:35,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:00:35,805 INFO L459 AbstractCegarLoop]: Abstraction has 37 states and 39 transitions. [2018-04-12 20:00:35,805 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-12 20:00:35,805 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 39 transitions. [2018-04-12 20:00:35,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-12 20:00:35,806 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:00:35,806 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 20:00:35,806 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr2RequiresViolation]=== [2018-04-12 20:00:35,806 INFO L82 PathProgramCache]: Analyzing trace with hash -556014976, now seen corresponding path program 1 times [2018-04-12 20:00:35,806 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:00:35,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:00:35,820 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:00:35,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:00:35,848 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 20:00:35,848 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 20:00:35,848 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:00:35,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:00:35,849 INFO L182 omatonBuilderFactory]: Interpolants [210#true, 211#false, 212#(= 1 (select |#valid| |main_#t~malloc8.base|)), 213#(= 1 (select |#valid| main_~nondetString~0.base))] [2018-04-12 20:00:35,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:00:35,849 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 20:00:35,849 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 20:00:35,849 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 20:00:35,850 INFO L87 Difference]: Start difference. First operand 37 states and 39 transitions. Second operand 4 states. [2018-04-12 20:00:35,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:00:35,890 INFO L93 Difference]: Finished difference Result 36 states and 38 transitions. [2018-04-12 20:00:35,890 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-12 20:00:35,890 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-04-12 20:00:35,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:00:35,891 INFO L225 Difference]: With dead ends: 36 [2018-04-12 20:00:35,891 INFO L226 Difference]: Without dead ends: 36 [2018-04-12 20:00:35,891 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 20:00:35,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-04-12 20:00:35,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2018-04-12 20:00:35,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-04-12 20:00:35,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 38 transitions. [2018-04-12 20:00:35,894 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 38 transitions. Word has length 14 [2018-04-12 20:00:35,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:00:35,895 INFO L459 AbstractCegarLoop]: Abstraction has 36 states and 38 transitions. [2018-04-12 20:00:35,895 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 20:00:35,895 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2018-04-12 20:00:35,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-12 20:00:35,895 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:00:35,895 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 20:00:35,896 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr2RequiresViolation]=== [2018-04-12 20:00:35,896 INFO L82 PathProgramCache]: Analyzing trace with hash -556014975, now seen corresponding path program 1 times [2018-04-12 20:00:35,896 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:00:35,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:00:35,907 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:00:35,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:00:35,945 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 20:00:35,945 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 20:00:35,945 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:00:35,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:00:35,946 INFO L182 omatonBuilderFactory]: Interpolants [288#true, 289#false, 290#(<= 1 main_~length2~0), 291#(and (= main_~length2~0 (select |#length| |main_#t~malloc8.base|)) (<= 1 main_~length2~0) (= 0 |main_#t~malloc8.offset|)), 292#(and (<= 1 main_~length2~0) (= main_~length2~0 (select |#length| main_~nondetString~0.base)) (= main_~nondetString~0.offset 0))] [2018-04-12 20:00:35,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:00:35,946 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 20:00:35,946 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 20:00:35,946 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 20:00:35,946 INFO L87 Difference]: Start difference. First operand 36 states and 38 transitions. Second operand 5 states. [2018-04-12 20:00:35,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:00:35,971 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2018-04-12 20:00:35,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 20:00:35,972 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-04-12 20:00:35,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:00:35,972 INFO L225 Difference]: With dead ends: 35 [2018-04-12 20:00:35,972 INFO L226 Difference]: Without dead ends: 35 [2018-04-12 20:00:35,972 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-04-12 20:00:35,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-04-12 20:00:35,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-04-12 20:00:35,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-04-12 20:00:35,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 37 transitions. [2018-04-12 20:00:35,975 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 37 transitions. Word has length 14 [2018-04-12 20:00:35,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:00:35,975 INFO L459 AbstractCegarLoop]: Abstraction has 35 states and 37 transitions. [2018-04-12 20:00:35,975 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 20:00:35,976 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 37 transitions. [2018-04-12 20:00:35,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-12 20:00:35,976 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:00:35,976 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 20:00:35,976 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr2RequiresViolation]=== [2018-04-12 20:00:35,976 INFO L82 PathProgramCache]: Analyzing trace with hash 1899342595, now seen corresponding path program 1 times [2018-04-12 20:00:35,977 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:00:35,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:00:35,984 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:00:36,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:00:36,027 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 20:00:36,027 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 20:00:36,027 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:00:36,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:00:36,028 INFO L182 omatonBuilderFactory]: Interpolants [368#(= 1 (select |#valid| |__U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_#in~from.base|)), 369#(= 1 (select |#valid| __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.base)), 365#true, 366#false, 367#(= 1 (select |#valid| main_~nondetString~0.base))] [2018-04-12 20:00:36,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:00:36,028 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 20:00:36,028 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 20:00:36,028 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-12 20:00:36,028 INFO L87 Difference]: Start difference. First operand 35 states and 37 transitions. Second operand 5 states. [2018-04-12 20:00:36,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:00:36,070 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2018-04-12 20:00:36,071 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 20:00:36,071 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-04-12 20:00:36,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:00:36,071 INFO L225 Difference]: With dead ends: 34 [2018-04-12 20:00:36,071 INFO L226 Difference]: Without dead ends: 34 [2018-04-12 20:00:36,071 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-12 20:00:36,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-04-12 20:00:36,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2018-04-12 20:00:36,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-04-12 20:00:36,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 36 transitions. [2018-04-12 20:00:36,073 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 36 transitions. Word has length 18 [2018-04-12 20:00:36,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:00:36,074 INFO L459 AbstractCegarLoop]: Abstraction has 34 states and 36 transitions. [2018-04-12 20:00:36,074 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 20:00:36,074 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2018-04-12 20:00:36,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-12 20:00:36,074 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:00:36,074 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 20:00:36,074 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr2RequiresViolation]=== [2018-04-12 20:00:36,074 INFO L82 PathProgramCache]: Analyzing trace with hash 1899342596, now seen corresponding path program 1 times [2018-04-12 20:00:36,075 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:00:36,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:00:36,082 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:00:36,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:00:36,153 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 20:00:36,153 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-12 20:00:36,153 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:00:36,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:00:36,153 INFO L182 omatonBuilderFactory]: Interpolants [440#true, 441#false, 442#(<= 1 main_~length2~0), 443#(and (= main_~length2~0 (select |#length| |main_#t~malloc8.base|)) (<= 1 main_~length2~0) (= 0 |main_#t~malloc8.offset|)), 444#(and (<= 1 main_~length2~0) (= 0 main_~nondetString~0.offset) (= main_~length2~0 (select |#length| main_~nondetString~0.base))), 445#(and (<= 1 (select |#length| main_~nondetString~0.base)) (= 0 main_~nondetString~0.offset)), 446#(and (= 0 |__U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_#in~from.offset|) (<= 1 (select |#length| |__U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_#in~from.base|))), 447#(and (= __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.offset 0) (<= 1 (select |#length| __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.base)))] [2018-04-12 20:00:36,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:00:36,154 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-12 20:00:36,154 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-12 20:00:36,154 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-04-12 20:00:36,154 INFO L87 Difference]: Start difference. First operand 34 states and 36 transitions. Second operand 8 states. [2018-04-12 20:00:36,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:00:36,235 INFO L93 Difference]: Finished difference Result 44 states and 47 transitions. [2018-04-12 20:00:36,235 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-12 20:00:36,235 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2018-04-12 20:00:36,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:00:36,237 INFO L225 Difference]: With dead ends: 44 [2018-04-12 20:00:36,238 INFO L226 Difference]: Without dead ends: 44 [2018-04-12 20:00:36,238 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2018-04-12 20:00:36,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-04-12 20:00:36,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 36. [2018-04-12 20:00:36,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-04-12 20:00:36,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 38 transitions. [2018-04-12 20:00:36,241 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 38 transitions. Word has length 18 [2018-04-12 20:00:36,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:00:36,241 INFO L459 AbstractCegarLoop]: Abstraction has 36 states and 38 transitions. [2018-04-12 20:00:36,241 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-12 20:00:36,241 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2018-04-12 20:00:36,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-12 20:00:36,241 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:00:36,242 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 20:00:36,242 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr2RequiresViolation]=== [2018-04-12 20:00:36,242 INFO L82 PathProgramCache]: Analyzing trace with hash -1249921719, now seen corresponding path program 1 times [2018-04-12 20:00:36,242 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:00:36,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:00:36,253 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:00:36,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:00:36,309 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 20:00:36,309 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-12 20:00:36,309 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:00:36,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:00:36,309 INFO L182 omatonBuilderFactory]: Interpolants [532#true, 533#false, 534#(= 1 (select |#valid| |main_#t~malloc7.base|)), 535#(= 1 (select |#valid| main_~nondetArea~0.base)), 536#(or (= |main_#t~malloc8.base| main_~nondetArea~0.base) (= 1 (select |#valid| main_~nondetArea~0.base))), 537#(or (= main_~nondetString~0.base main_~nondetArea~0.base) (= 1 (select |#valid| main_~nondetArea~0.base))), 538#(= 1 (select |#valid| |__U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_#in~to.base|)), 539#(= 1 (select |#valid| __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~to.base))] [2018-04-12 20:00:36,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:00:36,310 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-12 20:00:36,310 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-12 20:00:36,310 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-04-12 20:00:36,310 INFO L87 Difference]: Start difference. First operand 36 states and 38 transitions. Second operand 8 states. [2018-04-12 20:00:36,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:00:36,373 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2018-04-12 20:00:36,373 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 20:00:36,373 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 19 [2018-04-12 20:00:36,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:00:36,373 INFO L225 Difference]: With dead ends: 35 [2018-04-12 20:00:36,373 INFO L226 Difference]: Without dead ends: 35 [2018-04-12 20:00:36,374 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-04-12 20:00:36,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-04-12 20:00:36,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-04-12 20:00:36,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-04-12 20:00:36,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 37 transitions. [2018-04-12 20:00:36,378 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 37 transitions. Word has length 19 [2018-04-12 20:00:36,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:00:36,378 INFO L459 AbstractCegarLoop]: Abstraction has 35 states and 37 transitions. [2018-04-12 20:00:36,378 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-12 20:00:36,378 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 37 transitions. [2018-04-12 20:00:36,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-12 20:00:36,379 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:00:36,379 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 20:00:36,379 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr2RequiresViolation]=== [2018-04-12 20:00:36,379 INFO L82 PathProgramCache]: Analyzing trace with hash -1249921718, now seen corresponding path program 1 times [2018-04-12 20:00:36,380 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:00:36,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:00:36,390 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:00:36,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:00:36,449 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 20:00:36,450 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-12 20:00:36,450 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:00:36,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:00:36,450 INFO L182 omatonBuilderFactory]: Interpolants [614#true, 615#false, 616#(<= 1 main_~length1~0), 617#(and (= 0 |main_#t~malloc7.offset|) (= (select |#valid| |main_#t~malloc7.base|) 1) (<= 1 (select |#length| |main_#t~malloc7.base|))), 618#(and (<= 1 (select |#length| main_~nondetArea~0.base)) (= (select |#valid| main_~nondetArea~0.base) 1) (= 0 main_~nondetArea~0.offset)), 619#(and (<= 1 (select |#length| main_~nondetArea~0.base)) (= 0 main_~nondetArea~0.offset)), 620#(and (= 0 |__U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_#in~to.offset|) (<= 1 (select |#length| |__U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_#in~to.base|))), 621#(and (<= 1 (select |#length| __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~to.base)) (= __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~to.offset 0))] [2018-04-12 20:00:36,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:00:36,450 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-12 20:00:36,450 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-12 20:00:36,450 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-04-12 20:00:36,451 INFO L87 Difference]: Start difference. First operand 35 states and 37 transitions. Second operand 8 states. [2018-04-12 20:00:36,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:00:36,535 INFO L93 Difference]: Finished difference Result 41 states and 44 transitions. [2018-04-12 20:00:36,536 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-12 20:00:36,536 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 19 [2018-04-12 20:00:36,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:00:36,536 INFO L225 Difference]: With dead ends: 41 [2018-04-12 20:00:36,536 INFO L226 Difference]: Without dead ends: 41 [2018-04-12 20:00:36,536 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-04-12 20:00:36,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-04-12 20:00:36,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 36. [2018-04-12 20:00:36,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-04-12 20:00:36,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 38 transitions. [2018-04-12 20:00:36,538 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 38 transitions. Word has length 19 [2018-04-12 20:00:36,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:00:36,538 INFO L459 AbstractCegarLoop]: Abstraction has 36 states and 38 transitions. [2018-04-12 20:00:36,538 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-12 20:00:36,538 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2018-04-12 20:00:36,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-12 20:00:36,539 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:00:36,539 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] [2018-04-12 20:00:36,539 INFO L408 AbstractCegarLoop]: === Iteration 9 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr2RequiresViolation]=== [2018-04-12 20:00:36,539 INFO L82 PathProgramCache]: Analyzing trace with hash -660876371, now seen corresponding path program 1 times [2018-04-12 20:00:36,539 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:00:36,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:00:36,553 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:00:36,623 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:00:36,624 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 20:00:36,624 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-04-12 20:00:36,624 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:00:36,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:00:36,624 INFO L182 omatonBuilderFactory]: Interpolants [707#true, 708#false, 709#(and (<= main_~length2~0 1) (<= 1 main_~length2~0)), 710#(and (<= main_~length2~0 1) (<= 1 main_~length2~0) (= 0 |main_#t~malloc8.offset|)), 711#(and (<= 1 main_~length2~0) (= main_~nondetString~0.offset 0) (<= (+ main_~nondetString~0.offset main_~length2~0) 1)), 712#(and (= main_~nondetString~0.offset 0) (= 0 (select (select |#memory_int| main_~nondetString~0.base) main_~nondetString~0.offset))), 713#(= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_#in~from.base|) |__U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_#in~from.offset|)), 714#(= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.base) __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.offset)), 715#(and (= |__U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_#t~mem4| (select (select |#memory_int| __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.base) __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.offset)) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.base) __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.offset))), 716#(= 0 |__U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_#t~mem4|)] [2018-04-12 20:00:36,624 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:00:36,625 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-12 20:00:36,625 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-12 20:00:36,625 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2018-04-12 20:00:36,625 INFO L87 Difference]: Start difference. First operand 36 states and 38 transitions. Second operand 10 states. [2018-04-12 20:00:36,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:00:36,743 INFO L93 Difference]: Finished difference Result 58 states and 59 transitions. [2018-04-12 20:00:36,743 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-12 20:00:36,743 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 23 [2018-04-12 20:00:36,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:00:36,744 INFO L225 Difference]: With dead ends: 58 [2018-04-12 20:00:36,744 INFO L226 Difference]: Without dead ends: 58 [2018-04-12 20:00:36,744 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2018-04-12 20:00:36,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-04-12 20:00:36,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 51. [2018-04-12 20:00:36,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-04-12 20:00:36,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 53 transitions. [2018-04-12 20:00:36,746 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 53 transitions. Word has length 23 [2018-04-12 20:00:36,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:00:36,746 INFO L459 AbstractCegarLoop]: Abstraction has 51 states and 53 transitions. [2018-04-12 20:00:36,747 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-12 20:00:36,747 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 53 transitions. [2018-04-12 20:00:36,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-12 20:00:36,747 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:00:36,747 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] [2018-04-12 20:00:36,747 INFO L408 AbstractCegarLoop]: === Iteration 10 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr2RequiresViolation]=== [2018-04-12 20:00:36,747 INFO L82 PathProgramCache]: Analyzing trace with hash -1681944725, now seen corresponding path program 1 times [2018-04-12 20:00:36,748 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:00:36,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:00:36,760 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:00:36,859 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:00:36,859 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 20:00:36,859 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-04-12 20:00:36,860 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:00:36,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:00:36,860 INFO L182 omatonBuilderFactory]: Interpolants [836#true, 837#false, 838#(<= 1 main_~length2~0), 839#(and (<= 1 main_~length2~0) (= 0 |main_#t~malloc8.offset|)), 840#(and (<= 1 main_~length2~0) (= 0 main_~nondetString~0.offset)), 841#(and (or (<= 2 (select |#length| main_~nondetString~0.base)) (= 0 (select (select |#memory_int| main_~nondetString~0.base) main_~nondetString~0.offset))) (= 0 main_~nondetString~0.offset)), 842#(and (or (<= 2 (select |#length| |__U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_#in~from.base|)) (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_#in~from.base|) |__U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_#in~from.offset|))) (= 0 |__U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_#in~from.offset|)), 843#(and (= __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.offset 0) (or (<= 2 (select |#length| __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.base)) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.base) __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.offset)))), 844#(and (= __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.offset 0) (or (<= 2 (select |#length| __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.base)) (and (= |__U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_#t~mem4| (select (select |#memory_int| __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.base) __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.offset)) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.base) __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.offset))))), 845#(and (= __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.offset 0) (or (<= 2 (select |#length| __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.base)) (= 0 |__U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_#t~mem4|))), 846#(and (= __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.offset 0) (<= 2 (select |#length| __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.base))), 847#(and (<= 1 __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.offset) (<= (+ __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.offset 1) (select |#length| __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.base)))] [2018-04-12 20:00:36,860 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:00:36,860 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-12 20:00:36,860 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-12 20:00:36,860 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2018-04-12 20:00:36,860 INFO L87 Difference]: Start difference. First operand 51 states and 53 transitions. Second operand 12 states. [2018-04-12 20:00:36,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:00:36,975 INFO L93 Difference]: Finished difference Result 65 states and 69 transitions. [2018-04-12 20:00:36,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-12 20:00:36,976 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 23 [2018-04-12 20:00:36,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:00:36,976 INFO L225 Difference]: With dead ends: 65 [2018-04-12 20:00:36,976 INFO L226 Difference]: Without dead ends: 65 [2018-04-12 20:00:36,977 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2018-04-12 20:00:36,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-04-12 20:00:36,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 55. [2018-04-12 20:00:36,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-04-12 20:00:36,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 58 transitions. [2018-04-12 20:00:36,980 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 58 transitions. Word has length 23 [2018-04-12 20:00:36,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:00:36,981 INFO L459 AbstractCegarLoop]: Abstraction has 55 states and 58 transitions. [2018-04-12 20:00:36,981 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-12 20:00:36,981 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 58 transitions. [2018-04-12 20:00:36,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-12 20:00:36,981 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:00:36,982 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] [2018-04-12 20:00:36,982 INFO L408 AbstractCegarLoop]: === Iteration 11 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr2RequiresViolation]=== [2018-04-12 20:00:36,982 INFO L82 PathProgramCache]: Analyzing trace with hash -600678973, now seen corresponding path program 1 times [2018-04-12 20:00:36,982 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:00:36,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:00:36,991 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:00:37,098 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:00:37,099 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 20:00:37,099 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-04-12 20:00:37,099 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:00:37,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:00:37,099 INFO L182 omatonBuilderFactory]: Interpolants [976#true, 977#false, 978#(<= main_~length2~0 main_~length1~0), 979#(and (= 0 |main_#t~malloc7.offset|) (<= main_~length2~0 (select |#length| |main_#t~malloc7.base|)) (= (select |#valid| |main_#t~malloc7.base|) 1)), 980#(and (<= main_~length2~0 (select |#length| main_~nondetArea~0.base)) (= (select |#valid| main_~nondetArea~0.base) 1) (= 0 main_~nondetArea~0.offset)), 981#(and (= main_~length2~0 (select |#length| |main_#t~malloc8.base|)) (<= main_~length2~0 (select |#length| main_~nondetArea~0.base)) (= 0 main_~nondetArea~0.offset) (= 0 |main_#t~malloc8.offset|)), 982#(and (<= main_~length2~0 (select |#length| main_~nondetArea~0.base)) (= 0 main_~nondetString~0.offset) (= main_~length2~0 (select |#length| main_~nondetString~0.base)) (= 0 main_~nondetArea~0.offset)), 983#(and (<= (select |#length| main_~nondetString~0.base) (select |#length| main_~nondetArea~0.base)) (= 0 main_~nondetString~0.offset) (= 0 main_~nondetArea~0.offset)), 984#(and (= 0 |__U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_#in~to.offset|) (= 0 |__U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_#in~from.offset|) (<= (select |#length| |__U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_#in~from.base|) (select |#length| |__U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_#in~to.base|))), 985#(and (= __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.offset 0) (<= (select |#length| __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.base) (select |#length| __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~to.base)) (= __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~to.offset 0)), 986#(and (<= (+ (select |#length| __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.base) __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~to.offset) (+ (select |#length| __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~to.base) __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.offset)) (<= 1 __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~to.offset)), 987#(and (<= (+ __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~to.offset 1) (select |#length| __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~to.base)) (<= 1 __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~to.offset))] [2018-04-12 20:00:37,099 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:00:37,099 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-12 20:00:37,100 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-12 20:00:37,100 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2018-04-12 20:00:37,100 INFO L87 Difference]: Start difference. First operand 55 states and 58 transitions. Second operand 12 states. [2018-04-12 20:00:37,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:00:37,378 INFO L93 Difference]: Finished difference Result 57 states and 60 transitions. [2018-04-12 20:00:37,378 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-12 20:00:37,378 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 24 [2018-04-12 20:00:37,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:00:37,379 INFO L225 Difference]: With dead ends: 57 [2018-04-12 20:00:37,379 INFO L226 Difference]: Without dead ends: 57 [2018-04-12 20:00:37,380 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=341, Unknown=0, NotChecked=0, Total=420 [2018-04-12 20:00:37,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-04-12 20:00:37,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 54. [2018-04-12 20:00:37,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-04-12 20:00:37,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 57 transitions. [2018-04-12 20:00:37,383 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 57 transitions. Word has length 24 [2018-04-12 20:00:37,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:00:37,384 INFO L459 AbstractCegarLoop]: Abstraction has 54 states and 57 transitions. [2018-04-12 20:00:37,384 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-12 20:00:37,384 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 57 transitions. [2018-04-12 20:00:37,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-12 20:00:37,385 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:00:37,385 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 20:00:37,385 INFO L408 AbstractCegarLoop]: === Iteration 12 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr2RequiresViolation]=== [2018-04-12 20:00:37,385 INFO L82 PathProgramCache]: Analyzing trace with hash -1671194714, now seen corresponding path program 2 times [2018-04-12 20:00:37,386 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:00:37,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:00:37,398 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:00:37,635 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:00:37,635 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 20:00:37,635 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-04-12 20:00:37,635 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:00:37,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:00:37,636 INFO L182 omatonBuilderFactory]: Interpolants [1120#(= (select |#valid| main_~nondetArea~0.base) 1), 1121#(and (= main_~length2~0 (select |#length| |main_#t~malloc8.base|)) (not (= main_~nondetArea~0.base |main_#t~malloc8.base|)) (= 0 |main_#t~malloc8.offset|)), 1122#(and (or (= (+ main_~nondetString~0.offset main_~length2~0) 2) (= main_~length2~0 (select |#length| main_~nondetString~0.base))) (or (not (= main_~nondetArea~0.base main_~nondetString~0.base)) (not (= (+ main_~nondetString~0.offset main_~length2~0) 2))) (= 0 main_~nondetString~0.offset)), 1123#(and (or (<= (+ main_~nondetString~0.offset (select |#length| main_~nondetString~0.base)) 1) (and (not (= main_~nondetArea~0.base main_~nondetString~0.base)) (= 0 (select (select |#memory_int| main_~nondetString~0.base) 1))) (<= 3 (+ main_~nondetString~0.offset (select |#length| main_~nondetString~0.base)))) (= 0 main_~nondetString~0.offset)), 1124#(and (= 0 |__U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_#in~from.offset|) (or (and (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_#in~from.base|) 1)) (not (= |__U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_#in~to.base| |__U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_#in~from.base|))) (<= (select |#length| |__U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_#in~from.base|) 1) (<= 3 (select |#length| |__U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_#in~from.base|)))), 1125#(and (= __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.offset 0) (or (<= (select |#length| __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.base) 1) (<= 3 (select |#length| __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.base)) (and (not (= __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.base __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~to.base)) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.base) 1))))), 1126#(or (and (<= 1 __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.offset) (or (<= (select |#length| __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.base) __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.offset) (<= (+ __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.offset 2) (select |#length| __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.base)))) (and (= 1 __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.offset) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.base) __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.offset)))), 1127#(or (and (= 1 __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.offset) (= |__U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_#t~mem4| (select (select |#memory_int| __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.base) __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.offset)) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.base) __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.offset))) (and (<= 1 __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.offset) (<= (+ __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.offset 2) (select |#length| __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.base)))), 1128#(or (and (= 1 __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.offset) (= 0 |__U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_#t~mem4|)) (and (<= 1 __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.offset) (<= (+ __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.offset 2) (select |#length| __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.base)))), 1129#(and (<= 1 __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.offset) (<= (+ __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.offset 2) (select |#length| __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.base))), 1130#(and (<= 2 __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.offset) (<= (+ __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.offset 1) (select |#length| __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.base))), 1117#true, 1118#false, 1119#(= (select |#valid| |main_#t~malloc7.base|) 1)] [2018-04-12 20:00:37,636 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:00:37,636 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-12 20:00:37,636 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-12 20:00:37,636 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2018-04-12 20:00:37,637 INFO L87 Difference]: Start difference. First operand 54 states and 57 transitions. Second operand 14 states. [2018-04-12 20:00:37,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:00:37,897 INFO L93 Difference]: Finished difference Result 71 states and 76 transitions. [2018-04-12 20:00:37,897 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-12 20:00:37,898 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 28 [2018-04-12 20:00:37,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:00:37,898 INFO L225 Difference]: With dead ends: 71 [2018-04-12 20:00:37,899 INFO L226 Difference]: Without dead ends: 71 [2018-04-12 20:00:37,899 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=68, Invalid=312, Unknown=0, NotChecked=0, Total=380 [2018-04-12 20:00:37,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2018-04-12 20:00:37,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 59. [2018-04-12 20:00:37,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-04-12 20:00:37,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 63 transitions. [2018-04-12 20:00:37,903 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 63 transitions. Word has length 28 [2018-04-12 20:00:37,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:00:37,904 INFO L459 AbstractCegarLoop]: Abstraction has 59 states and 63 transitions. [2018-04-12 20:00:37,904 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-12 20:00:37,904 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 63 transitions. [2018-04-12 20:00:37,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-04-12 20:00:37,904 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:00:37,904 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 20:00:37,905 INFO L408 AbstractCegarLoop]: === Iteration 13 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr2RequiresViolation]=== [2018-04-12 20:00:37,905 INFO L82 PathProgramCache]: Analyzing trace with hash -549923555, now seen corresponding path program 1 times [2018-04-12 20:00:37,905 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:00:37,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:00:37,912 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:00:37,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:00:37,970 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 20:00:37,970 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 20:00:37,970 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:00:37,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:00:37,971 INFO L182 omatonBuilderFactory]: Interpolants [1273#true, 1274#false, 1275#(= |#valid| |old(#valid)|), 1276#(and (= (select |#valid| |main_#t~malloc7.base|) 1) (= (store |#valid| |main_#t~malloc7.base| 0) |old(#valid)|)), 1277#(and (= |old(#valid)| (store (store |#valid| |main_#t~malloc7.base| 0) |main_#t~malloc8.base| 0)) (not (= |main_#t~malloc7.base| |main_#t~malloc8.base|))), 1278#(= (store |#valid| |main_#t~malloc8.base| 0) |old(#valid)|)] [2018-04-12 20:00:37,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:00:37,971 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 20:00:37,971 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 20:00:37,971 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-12 20:00:37,971 INFO L87 Difference]: Start difference. First operand 59 states and 63 transitions. Second operand 6 states. [2018-04-12 20:00:38,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:00:38,047 INFO L93 Difference]: Finished difference Result 58 states and 62 transitions. [2018-04-12 20:00:38,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-12 20:00:38,048 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 29 [2018-04-12 20:00:38,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:00:38,048 INFO L225 Difference]: With dead ends: 58 [2018-04-12 20:00:38,048 INFO L226 Difference]: Without dead ends: 34 [2018-04-12 20:00:38,048 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-04-12 20:00:38,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-04-12 20:00:38,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2018-04-12 20:00:38,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-04-12 20:00:38,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 35 transitions. [2018-04-12 20:00:38,051 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 35 transitions. Word has length 29 [2018-04-12 20:00:38,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:00:38,051 INFO L459 AbstractCegarLoop]: Abstraction has 34 states and 35 transitions. [2018-04-12 20:00:38,051 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 20:00:38,051 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2018-04-12 20:00:38,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-04-12 20:00:38,052 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:00:38,052 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 20:00:38,052 INFO L408 AbstractCegarLoop]: === Iteration 14 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr2RequiresViolation]=== [2018-04-12 20:00:38,052 INFO L82 PathProgramCache]: Analyzing trace with hash 1840413771, now seen corresponding path program 3 times [2018-04-12 20:00:38,053 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:00:38,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:00:38,064 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:00:38,279 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-04-12 20:00:38,279 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 20:00:38,279 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-04-12 20:00:38,279 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:00:38,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:00:38,280 INFO L182 omatonBuilderFactory]: Interpolants [1376#false, 1377#(= (select |#valid| |main_#t~malloc7.base|) 1), 1378#(= (select |#valid| main_~nondetArea~0.base) 1), 1379#(and (= main_~length2~0 (select |#length| |main_#t~malloc8.base|)) (not (= main_~nondetArea~0.base |main_#t~malloc8.base|)) (= 0 |main_#t~malloc8.offset|)), 1380#(and (not (= main_~nondetArea~0.base main_~nondetString~0.base)) (= main_~length2~0 (select |#length| main_~nondetString~0.base)) (= main_~nondetString~0.offset 0)), 1381#(and (= 0 (select (select |#memory_int| main_~nondetString~0.base) (+ main_~nondetString~0.offset (+ (select |#length| main_~nondetString~0.base) (- 1))))) (not (= main_~nondetArea~0.base main_~nondetString~0.base)) (= main_~nondetString~0.offset 0)), 1382#(and (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_#in~from.base|) (+ (select |#length| |__U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_#in~from.base|) (- 1)))) (not (= |__U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_#in~to.base| |__U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_#in~from.base|))), 1383#(and (not (= __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~to.base __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.base)) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.base) (+ (select |#length| __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.base) (- 1))))), 1384#(or (<= (select |#length| __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.base) __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.offset) (<= (+ __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.offset 2) (select |#length| __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.base)) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.base) __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.offset))), 1385#(or (and (<= (+ __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.offset 2) (select |#length| __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.base)) (<= 0 __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.offset)) (and (= |__U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_#t~mem4| (select (select |#memory_int| __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.base) __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.offset)) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.base) __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.offset)))), 1386#(or (= 0 |__U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_#t~mem4|) (and (<= (+ __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.offset 2) (select |#length| __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.base)) (<= 0 __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.offset))), 1387#(and (<= (+ __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.offset 2) (select |#length| __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.base)) (<= 0 __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.offset)), 1388#(and (<= 1 __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.offset) (<= (+ __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.offset 1) (select |#length| __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy_~from.base))), 1375#true] [2018-04-12 20:00:38,280 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-04-12 20:00:38,280 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-12 20:00:38,281 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-12 20:00:38,281 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2018-04-12 20:00:38,281 INFO L87 Difference]: Start difference. First operand 34 states and 35 transitions. Second operand 14 states. [2018-04-12 20:00:38,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:00:38,494 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2018-04-12 20:00:38,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-12 20:00:38,495 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 33 [2018-04-12 20:00:38,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:00:38,495 INFO L225 Difference]: With dead ends: 33 [2018-04-12 20:00:38,495 INFO L226 Difference]: Without dead ends: 0 [2018-04-12 20:00:38,495 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=113, Invalid=487, Unknown=0, NotChecked=0, Total=600 [2018-04-12 20:00:38,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-12 20:00:38,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-12 20:00:38,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-12 20:00:38,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-12 20:00:38,496 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2018-04-12 20:00:38,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:00:38,496 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-12 20:00:38,496 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-12 20:00:38,496 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-12 20:00:38,496 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-12 20:00:38,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.04 08:00:38 BoogieIcfgContainer [2018-04-12 20:00:38,499 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-12 20:00:38,500 INFO L168 Benchmark]: Toolchain (without parser) took 3618.79 ms. Allocated memory was 399.0 MB in the beginning and 681.6 MB in the end (delta: 282.6 MB). Free memory was 333.4 MB in the beginning and 633.5 MB in the end (delta: -300.0 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-04-12 20:00:38,500 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 399.0 MB. Free memory is still 356.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-12 20:00:38,501 INFO L168 Benchmark]: CACSL2BoogieTranslator took 236.28 ms. Allocated memory is still 399.0 MB. Free memory was 333.4 MB in the beginning and 308.3 MB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 5.3 GB. [2018-04-12 20:00:38,501 INFO L168 Benchmark]: Boogie Preprocessor took 35.87 ms. Allocated memory is still 399.0 MB. Free memory was 308.3 MB in the beginning and 307.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. [2018-04-12 20:00:38,501 INFO L168 Benchmark]: RCFGBuilder took 350.30 ms. Allocated memory was 399.0 MB in the beginning and 608.7 MB in the end (delta: 209.7 MB). Free memory was 307.0 MB in the beginning and 546.1 MB in the end (delta: -239.1 MB). Peak memory consumption was 24.6 MB. Max. memory is 5.3 GB. [2018-04-12 20:00:38,501 INFO L168 Benchmark]: TraceAbstraction took 2993.80 ms. Allocated memory was 608.7 MB in the beginning and 681.6 MB in the end (delta: 72.9 MB). Free memory was 546.1 MB in the beginning and 633.5 MB in the end (delta: -87.4 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-04-12 20:00:38,503 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 399.0 MB. Free memory is still 356.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 236.28 ms. Allocated memory is still 399.0 MB. Free memory was 333.4 MB in the beginning and 308.3 MB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 35.87 ms. Allocated memory is still 399.0 MB. Free memory was 308.3 MB in the beginning and 307.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. * RCFGBuilder took 350.30 ms. Allocated memory was 399.0 MB in the beginning and 608.7 MB in the end (delta: 209.7 MB). Free memory was 307.0 MB in the beginning and 546.1 MB in the end (delta: -239.1 MB). Peak memory consumption was 24.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 2993.80 ms. Allocated memory was 608.7 MB in the beginning and 681.6 MB in the end (delta: 72.9 MB). Free memory was 546.1 MB in the beginning and 633.5 MB in the end (delta: -87.4 MB). There was no memory consumed. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 557]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 545]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 557]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 542]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 542]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 542]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 542]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 46 locations, 7 error locations. SAFE Result, 2.9s OverallTime, 14 OverallIterations, 4 TraceHistogramMax, 1.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 382 SDtfs, 408 SDslu, 1242 SDs, 0 SdLazy, 1149 SolverSat, 134 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 159 GetRequests, 20 SyntacticMatches, 5 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=59occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 7/37 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 14 MinimizatonAttempts, 48 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 282 NumberOfCodeBlocks, 282 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 268 ConstructedInterpolants, 0 QuantifiedInterpolants, 42957 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 10 PerfectInterpolantSequences, 7/37 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-12_20-00-38-511.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-12_20-00-38-511.csv Received shutdown request...