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_cstrnlen-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-408c70d-m [2018-04-12 20:14:44,021 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-12 20:14:44,022 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-12 20:14:44,035 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-12 20:14:44,035 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-12 20:14:44,035 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-12 20:14:44,036 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-12 20:14:44,038 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-12 20:14:44,040 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-12 20:14:44,040 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-12 20:14:44,041 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-12 20:14:44,041 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-12 20:14:44,042 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-12 20:14:44,043 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-12 20:14:44,044 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-12 20:14:44,046 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-12 20:14:44,047 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-12 20:14:44,049 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-12 20:14:44,050 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-12 20:14:44,051 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-12 20:14:44,053 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-04-12 20:14:44,057 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-12 20:14:44,057 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-12 20:14:44,058 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 20:14:44,068 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-12 20:14:44,068 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-12 20:14:44,069 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-12 20:14:44,069 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-12 20:14:44,069 INFO L133 SettingsManager]: * Use SBE=true [2018-04-12 20:14:44,069 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-12 20:14:44,069 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-12 20:14:44,069 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-12 20:14:44,069 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-12 20:14:44,069 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-12 20:14:44,070 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-12 20:14:44,070 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-12 20:14:44,070 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-12 20:14:44,070 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-12 20:14:44,070 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-12 20:14:44,070 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-12 20:14:44,070 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-12 20:14:44,070 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-12 20:14:44,070 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-12 20:14:44,070 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-12 20:14:44,071 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-12 20:14:44,071 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 20:14:44,098 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-12 20:14:44,107 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-12 20:14:44,111 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-12 20:14:44,112 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-12 20:14:44,113 INFO L276 PluginConnector]: CDTParser initialized [2018-04-12 20:14:44,113 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,405 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG1d23ded5d [2018-04-12 20:14:44,539 INFO L287 CDTParser]: IsIndexed: true [2018-04-12 20:14:44,539 INFO L288 CDTParser]: Found 1 translation units. [2018-04-12 20:14:44,539 INFO L168 CDTParser]: Scanning openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,547 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-12 20:14:44,547 INFO L215 ultiparseSymbolTable]: [2018-04-12 20:14:44,547 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-12 20:14:44,547 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,548 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____bswap_32 ('__bswap_32') in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,548 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____bswap_64 ('__bswap_64') in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,548 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen ('cstrnlen') in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,548 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-12 20:14:44,548 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__pthread_rwlock_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,548 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____id_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,548 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____uint32_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,548 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__fd_set in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,548 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____syscall_ulong_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,548 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____caddr_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,548 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__time_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,549 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__pthread_key_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,549 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____dev_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,549 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____fsblkcnt_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,549 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__mode_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,549 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__lldiv_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,549 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__uid_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,549 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__int16_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,549 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____u_short in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,549 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__blkcnt_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,549 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__ulong in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,550 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__u_char in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,550 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__size_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,550 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____int16_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,550 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__div_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,550 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____u_long in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,550 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____mode_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,550 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__blksize_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,550 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__caddr_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,550 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__sigset_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,550 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____socklen_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,550 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__int32_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,551 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__fsfilcnt_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,551 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____off_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,551 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____quad_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,551 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,551 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____blkcnt64_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,551 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____intptr_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,551 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____u_quad_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,551 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__pthread_barrier_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,551 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__off_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,551 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__timer_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,552 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____ssize_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,552 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__key_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,552 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____nlink_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,552 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____pthread_list_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,552 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__u_int in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,552 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____rlim_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,552 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____fsblkcnt64_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,552 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__u_int32_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,552 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____int32_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,552 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____off64_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,552 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____suseconds_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,552 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____u_char in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,552 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__fsblkcnt_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,553 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____timer_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,553 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____gid_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,553 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____pid_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,553 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__pthread_mutexattr_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,553 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__wchar_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,553 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__uint in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,553 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__nlink_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,553 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__loff_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,553 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____fd_mask in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,553 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____useconds_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,553 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__pthread_condattr_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,553 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__u_int8_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,553 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____int64_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,553 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__pthread_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,553 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____sig_atomic_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,553 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__pthread_attr_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,553 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____clockid_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,553 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____u_int in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,553 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__clockid_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,554 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____blkcnt_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,554 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__pthread_cond_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,554 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____sigset_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,554 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__quad_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,554 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__pthread_once_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,554 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____uint64_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,554 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__ssize_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,554 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____fsword_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,554 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__u_int16_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,554 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__fd_mask in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,554 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____uid_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,554 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__dev_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,554 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__u_short in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,554 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__pthread_spinlock_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,554 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____ino64_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,555 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__id_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,555 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____ino_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,555 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__pid_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,555 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__daddr_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,555 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____uint16_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,555 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__ino_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,555 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__clock_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,555 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____fsid_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,555 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____fsfilcnt64_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,555 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__u_int64_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,555 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__int8_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,555 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__ldiv_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,556 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__gid_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,556 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____syscall_slong_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,556 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__u_long in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,556 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____int8_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,556 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__register_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,556 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__suseconds_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,556 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__pthread_barrierattr_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,556 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__int64_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,556 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____loff_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,556 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__fsid_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,556 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__pthread_mutex_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,557 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__u_quad_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,557 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__ushort in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,557 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____clock_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,557 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____time_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,557 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____key_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,557 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____uint8_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,557 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____WAIT_STATUS in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,557 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____rlim64_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,557 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____blksize_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,557 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____qaddr_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,557 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____daddr_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,558 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____fsfilcnt_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:44,580 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG1d23ded5d [2018-04-12 20:14:44,584 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-12 20:14:44,585 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-12 20:14:44,586 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-12 20:14:44,586 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-12 20:14:44,590 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-12 20:14:44,591 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 08:14:44" (1/1) ... [2018-04-12 20:14:44,592 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@90e9629 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 08:14:44, skipping insertion in model container [2018-04-12 20:14:44,593 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 08:14:44" (1/1) ... [2018-04-12 20:14:44,606 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 20:14:44,627 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 20:14:44,759 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 20:14:44,791 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 20:14:44,797 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-12 20:14:44,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 08:14:44 WrapperNode [2018-04-12 20:14:44,833 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-12 20:14:44,833 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-12 20:14:44,833 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-12 20:14:44,834 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-12 20:14:44,845 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 08:14:44" (1/1) ... [2018-04-12 20:14:44,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 08:14:44" (1/1) ... [2018-04-12 20:14:44,858 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 08:14:44" (1/1) ... [2018-04-12 20:14:44,858 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 08:14:44" (1/1) ... [2018-04-12 20:14:44,866 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 08:14:44" (1/1) ... [2018-04-12 20:14:44,871 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 08:14:44" (1/1) ... [2018-04-12 20:14:44,873 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 08:14:44" (1/1) ... [2018-04-12 20:14:44,876 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-12 20:14:44,877 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-12 20:14:44,877 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-12 20:14:44,877 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-12 20:14:44,878 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 08:14:44" (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 20:14:44,959 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-12 20:14:44,959 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-12 20:14:44,959 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-12 20:14:44,959 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-12 20:14:44,959 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen [2018-04-12 20:14:44,959 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-12 20:14:44,959 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-12 20:14:44,960 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-12 20:14:44,960 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-12 20:14:44,960 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-12 20:14:44,960 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-12 20:14:44,960 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-12 20:14:44,960 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-12 20:14:44,960 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-12 20:14:44,960 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-12 20:14:44,960 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-12 20:14:44,960 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-12 20:14:44,960 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-12 20:14:44,960 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-12 20:14:44,960 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-12 20:14:44,960 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-12 20:14:44,960 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-12 20:14:44,960 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-12 20:14:44,960 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-12 20:14:44,960 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-12 20:14:44,961 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-12 20:14:44,961 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-12 20:14:44,961 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-12 20:14:44,961 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-12 20:14:44,961 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-12 20:14:44,961 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-12 20:14:44,961 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-12 20:14:44,961 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-12 20:14:44,961 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-12 20:14:44,961 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-12 20:14:44,961 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-12 20:14:44,961 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-12 20:14:44,961 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-12 20:14:44,961 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-12 20:14:44,961 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-12 20:14:44,961 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-12 20:14:44,961 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-12 20:14:44,961 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-12 20:14:44,961 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-12 20:14:44,962 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-12 20:14:44,962 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-12 20:14:44,962 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-12 20:14:44,962 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-12 20:14:44,962 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-12 20:14:44,962 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-12 20:14:44,962 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-12 20:14:44,962 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-12 20:14:44,962 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-12 20:14:44,962 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-12 20:14:44,962 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-12 20:14:44,962 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-12 20:14:44,962 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-12 20:14:44,962 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-12 20:14:44,962 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-12 20:14:44,962 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-12 20:14:44,962 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-12 20:14:44,963 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-12 20:14:44,963 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-12 20:14:44,963 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-12 20:14:44,963 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-12 20:14:44,963 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-12 20:14:44,963 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-12 20:14:44,963 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-12 20:14:44,963 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-12 20:14:44,963 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-12 20:14:44,963 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-12 20:14:44,964 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-12 20:14:44,964 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-12 20:14:44,964 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-12 20:14:44,964 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-12 20:14:44,964 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-12 20:14:44,964 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-12 20:14:44,964 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-12 20:14:44,964 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-12 20:14:44,964 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-12 20:14:44,964 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-12 20:14:44,965 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-12 20:14:44,965 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-12 20:14:44,965 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-12 20:14:44,965 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-12 20:14:44,965 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-12 20:14:44,965 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-12 20:14:44,965 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-12 20:14:44,965 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-12 20:14:44,965 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-12 20:14:44,965 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-12 20:14:44,966 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-12 20:14:44,966 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-12 20:14:44,966 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-12 20:14:44,966 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-12 20:14:44,966 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-12 20:14:44,966 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-12 20:14:44,966 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-12 20:14:44,966 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-12 20:14:44,966 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-12 20:14:44,966 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-12 20:14:44,967 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-12 20:14:44,967 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-12 20:14:44,967 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-12 20:14:44,967 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-12 20:14:44,967 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-12 20:14:44,967 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-12 20:14:44,967 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-12 20:14:44,967 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-12 20:14:44,967 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen [2018-04-12 20:14:44,967 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-12 20:14:44,968 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-12 20:14:44,968 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-12 20:14:44,968 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-12 20:14:44,968 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-12 20:14:44,968 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-12 20:14:44,968 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-12 20:14:44,968 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-12 20:14:45,236 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-12 20:14:45,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 08:14:45 BoogieIcfgContainer [2018-04-12 20:14:45,236 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-12 20:14:45,237 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-12 20:14:45,237 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-12 20:14:45,239 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-12 20:14:45,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.04 08:14:44" (1/3) ... [2018-04-12 20:14:45,239 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f78bd7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 08:14:45, skipping insertion in model container [2018-04-12 20:14:45,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 08:14:44" (2/3) ... [2018-04-12 20:14:45,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f78bd7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 08:14:45, skipping insertion in model container [2018-04-12 20:14:45,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 08:14:45" (3/3) ... [2018-04-12 20:14:45,241 INFO L107 eAbstractionObserver]: Analyzing ICFG openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:14:45,246 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-04-12 20:14:45,252 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2018-04-12 20:14:45,287 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-12 20:14:45,287 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-12 20:14:45,287 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-12 20:14:45,287 INFO L371 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-04-12 20:14:45,288 INFO L372 AbstractCegarLoop]: Backedges is CANONICAL [2018-04-12 20:14:45,288 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-12 20:14:45,288 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-12 20:14:45,288 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-12 20:14:45,288 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-12 20:14:45,288 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-12 20:14:45,298 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states. [2018-04-12 20:14:45,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-04-12 20:14:45,304 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:14:45,304 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 20:14:45,304 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr1RequiresViolation, __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 20:14:45,307 INFO L82 PathProgramCache]: Analyzing trace with hash 954163944, now seen corresponding path program 1 times [2018-04-12 20:14:45,339 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:14:45,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:14:45,369 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:14:45,406 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 20:14:45,408 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 20:14:45,408 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 20:14:45,409 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:14:45,409 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 20:14:45,409 INFO L182 omatonBuilderFactory]: Interpolants [37#true, 38#false, 39#(= 1 (select |#valid| |main_#t~malloc8.base|)), 40#(= 1 (select |#valid| main_~nondetString1~0.base))] [2018-04-12 20:14:45,409 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 20:14:45,410 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 20:14:45,418 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 20:14:45,418 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 20:14:45,420 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 4 states. [2018-04-12 20:14:45,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:14:45,462 INFO L93 Difference]: Finished difference Result 33 states and 36 transitions. [2018-04-12 20:14:45,462 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-12 20:14:45,463 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2018-04-12 20:14:45,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:14:45,468 INFO L225 Difference]: With dead ends: 33 [2018-04-12 20:14:45,469 INFO L226 Difference]: Without dead ends: 30 [2018-04-12 20:14:45,470 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 20:14:45,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2018-04-12 20:14:45,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2018-04-12 20:14:45,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-04-12 20:14:45,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions. [2018-04-12 20:14:45,491 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 11 [2018-04-12 20:14:45,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:14:45,491 INFO L459 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions. [2018-04-12 20:14:45,491 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 20:14:45,491 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2018-04-12 20:14:45,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-04-12 20:14:45,492 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:14:45,492 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 20:14:45,492 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr1RequiresViolation, __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 20:14:45,492 INFO L82 PathProgramCache]: Analyzing trace with hash 954163945, now seen corresponding path program 1 times [2018-04-12 20:14:45,492 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:14:45,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:14:45,501 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:14:45,543 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 20:14:45,544 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 20:14:45,544 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 20:14:45,544 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:14:45,544 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 20:14:45,544 INFO L182 omatonBuilderFactory]: Interpolants [106#true, 107#false, 108#(<= 1 main_~length1~0), 109#(and (<= 1 main_~length1~0) (= main_~length1~0 (select |#length| |main_#t~malloc8.base|)) (= 0 |main_#t~malloc8.offset|)), 110#(and (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (<= 1 main_~length1~0) (= main_~nondetString1~0.offset 0))] [2018-04-12 20:14:45,545 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 20:14:45,545 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 20:14:45,546 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 20:14:45,546 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 20:14:45,546 INFO L87 Difference]: Start difference. First operand 30 states and 33 transitions. Second operand 5 states. [2018-04-12 20:14:45,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:14:45,586 INFO L93 Difference]: Finished difference Result 29 states and 32 transitions. [2018-04-12 20:14:45,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 20:14:45,586 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2018-04-12 20:14:45,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:14:45,587 INFO L225 Difference]: With dead ends: 29 [2018-04-12 20:14:45,587 INFO L226 Difference]: Without dead ends: 29 [2018-04-12 20:14:45,588 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 20:14:45,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2018-04-12 20:14:45,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2018-04-12 20:14:45,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-04-12 20:14:45,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions. [2018-04-12 20:14:45,591 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 11 [2018-04-12 20:14:45,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:14:45,591 INFO L459 AbstractCegarLoop]: Abstraction has 29 states and 32 transitions. [2018-04-12 20:14:45,591 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 20:14:45,591 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2018-04-12 20:14:45,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-04-12 20:14:45,592 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:14:45,592 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 20:14:45,592 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr1RequiresViolation, __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 20:14:45,592 INFO L82 PathProgramCache]: Analyzing trace with hash 1122690971, now seen corresponding path program 1 times [2018-04-12 20:14:45,593 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:14:45,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:14:45,611 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:14:45,640 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 20:14:45,640 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 20:14:45,640 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 20:14:45,640 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:14:45,640 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 20:14:45,640 INFO L182 omatonBuilderFactory]: Interpolants [171#true, 172#false, 173#(= 1 (select |#valid| main_~nondetString1~0.base)), 174#(= 1 (select |#valid| |__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_#in~str.base|)), 175#(= 1 (select |#valid| __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.base))] [2018-04-12 20:14:45,641 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 20:14:45,641 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 20:14:45,641 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 20:14:45,641 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-12 20:14:45,641 INFO L87 Difference]: Start difference. First operand 29 states and 32 transitions. Second operand 5 states. [2018-04-12 20:14:45,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:14:45,676 INFO L93 Difference]: Finished difference Result 28 states and 31 transitions. [2018-04-12 20:14:45,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 20:14:45,676 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2018-04-12 20:14:45,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:14:45,677 INFO L225 Difference]: With dead ends: 28 [2018-04-12 20:14:45,677 INFO L226 Difference]: Without dead ends: 28 [2018-04-12 20:14:45,677 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 20:14:45,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2018-04-12 20:14:45,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2018-04-12 20:14:45,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-04-12 20:14:45,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 31 transitions. [2018-04-12 20:14:45,679 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 31 transitions. Word has length 16 [2018-04-12 20:14:45,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:14:45,679 INFO L459 AbstractCegarLoop]: Abstraction has 28 states and 31 transitions. [2018-04-12 20:14:45,679 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 20:14:45,679 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2018-04-12 20:14:45,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-04-12 20:14:45,680 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:14:45,680 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 20:14:45,680 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr1RequiresViolation, __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 20:14:45,680 INFO L82 PathProgramCache]: Analyzing trace with hash 1122690972, now seen corresponding path program 1 times [2018-04-12 20:14:45,680 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:14:45,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:14:45,688 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:14:45,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:14:45,739 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 20:14:45,739 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-12 20:14:45,739 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:14:45,740 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 20:14:45,740 INFO L182 omatonBuilderFactory]: Interpolants [240#(and (<= 1 (select |#length| |__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_#in~str.base|)) (= 0 |__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_#in~str.offset|)), 241#(and (<= 1 (select |#length| __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.base)) (= __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.offset 0)), 234#true, 235#false, 236#(<= 1 main_~length1~0), 237#(and (<= 1 main_~length1~0) (= main_~length1~0 (select |#length| |main_#t~malloc8.base|)) (= 0 |main_#t~malloc8.offset|)), 238#(and (= 0 main_~nondetString1~0.offset) (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (<= 1 main_~length1~0)), 239#(and (= 0 main_~nondetString1~0.offset) (<= 1 (select |#length| main_~nondetString1~0.base)))] [2018-04-12 20:14:45,740 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 20:14:45,740 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-12 20:14:45,740 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-12 20:14:45,740 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-04-12 20:14:45,741 INFO L87 Difference]: Start difference. First operand 28 states and 31 transitions. Second operand 8 states. [2018-04-12 20:14:45,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:14:45,837 INFO L93 Difference]: Finished difference Result 37 states and 42 transitions. [2018-04-12 20:14:45,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-12 20:14:45,837 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 16 [2018-04-12 20:14:45,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:14:45,840 INFO L225 Difference]: With dead ends: 37 [2018-04-12 20:14:45,840 INFO L226 Difference]: Without dead ends: 37 [2018-04-12 20:14:45,840 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 20:14:45,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-04-12 20:14:45,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 31. [2018-04-12 20:14:45,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-04-12 20:14:45,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 35 transitions. [2018-04-12 20:14:45,844 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 35 transitions. Word has length 16 [2018-04-12 20:14:45,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:14:45,844 INFO L459 AbstractCegarLoop]: Abstraction has 31 states and 35 transitions. [2018-04-12 20:14:45,844 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-12 20:14:45,844 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2018-04-12 20:14:45,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-12 20:14:45,845 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:14:45,845 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 20:14:45,845 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr1RequiresViolation, __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 20:14:45,845 INFO L82 PathProgramCache]: Analyzing trace with hash -2005189487, now seen corresponding path program 1 times [2018-04-12 20:14:45,846 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:14:45,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:14:45,857 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:14:45,871 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 20:14:45,871 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 20:14:45,871 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 20:14:45,872 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:14:45,872 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 20:14:45,872 INFO L182 omatonBuilderFactory]: Interpolants [314#true, 315#false, 316#(not |__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_#t~short5|)] [2018-04-12 20:14:45,872 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 20:14:45,872 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-12 20:14:45,872 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-12 20:14:45,873 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-12 20:14:45,873 INFO L87 Difference]: Start difference. First operand 31 states and 35 transitions. Second operand 3 states. [2018-04-12 20:14:45,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:14:45,880 INFO L93 Difference]: Finished difference Result 32 states and 36 transitions. [2018-04-12 20:14:45,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-12 20:14:45,881 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2018-04-12 20:14:45,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:14:45,881 INFO L225 Difference]: With dead ends: 32 [2018-04-12 20:14:45,881 INFO L226 Difference]: Without dead ends: 32 [2018-04-12 20:14:45,882 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 20:14:45,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-04-12 20:14:45,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2018-04-12 20:14:45,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-04-12 20:14:45,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 36 transitions. [2018-04-12 20:14:45,885 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 36 transitions. Word has length 20 [2018-04-12 20:14:45,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:14:45,885 INFO L459 AbstractCegarLoop]: Abstraction has 32 states and 36 transitions. [2018-04-12 20:14:45,885 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-12 20:14:45,885 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2018-04-12 20:14:45,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-12 20:14:45,886 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:14:45,886 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] [2018-04-12 20:14:45,886 INFO L408 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr1RequiresViolation, __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 20:14:45,886 INFO L82 PathProgramCache]: Analyzing trace with hash -1858341580, now seen corresponding path program 1 times [2018-04-12 20:14:45,887 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:14:45,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:14:45,903 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:14:45,957 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:14:45,957 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 20:14:45,957 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2018-04-12 20:14:45,957 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:14:45,957 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 20:14:45,957 INFO L182 omatonBuilderFactory]: Interpolants [384#(and (<= |__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_#in~maxlen| 1) (<= 1 |__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_#in~maxlen|)), 385#(and (<= 1 __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~maxlen) (<= __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~maxlen 1)), 386#(and (<= __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~maxlen 0) (<= 0 __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~maxlen)), 387#(not |__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_#t~short5|), 381#true, 382#false, 383#(and (<= 1 main_~n~0) (<= main_~n~0 1))] [2018-04-12 20:14:45,958 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:14:45,958 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-12 20:14:45,958 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-12 20:14:45,958 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-04-12 20:14:45,958 INFO L87 Difference]: Start difference. First operand 32 states and 36 transitions. Second operand 7 states. [2018-04-12 20:14:46,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:14:46,022 INFO L93 Difference]: Finished difference Result 58 states and 63 transitions. [2018-04-12 20:14:46,022 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-12 20:14:46,022 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2018-04-12 20:14:46,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:14:46,023 INFO L225 Difference]: With dead ends: 58 [2018-04-12 20:14:46,023 INFO L226 Difference]: Without dead ends: 58 [2018-04-12 20:14:46,023 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-04-12 20:14:46,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-04-12 20:14:46,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 49. [2018-04-12 20:14:46,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-04-12 20:14:46,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 55 transitions. [2018-04-12 20:14:46,027 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 55 transitions. Word has length 22 [2018-04-12 20:14:46,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:14:46,027 INFO L459 AbstractCegarLoop]: Abstraction has 49 states and 55 transitions. [2018-04-12 20:14:46,027 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-12 20:14:46,028 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2018-04-12 20:14:46,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-12 20:14:46,028 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:14:46,028 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] [2018-04-12 20:14:46,028 INFO L408 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr1RequiresViolation, __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 20:14:46,029 INFO L82 PathProgramCache]: Analyzing trace with hash 1156762038, now seen corresponding path program 1 times [2018-04-12 20:14:46,029 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:14:46,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:14:46,043 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:14:46,135 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:14:46,135 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 20:14:46,135 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-04-12 20:14:46,135 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:14:46,135 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 20:14:46,135 INFO L182 omatonBuilderFactory]: Interpolants [512#(not |__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_#t~short5|), 503#true, 504#false, 505#(and (<= 1 main_~length1~0) (<= main_~length1~0 1)), 506#(and (<= 1 main_~length1~0) (<= main_~length1~0 1) (= 0 |main_#t~malloc8.offset|)), 507#(and (<= 1 main_~length1~0) (<= main_~length1~0 1) (= main_~nondetString1~0.offset 0)), 508#(and (= 0 (select (select |#memory_int| main_~nondetString1~0.base) main_~nondetString1~0.offset)) (= main_~nondetString1~0.offset 0)), 509#(= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_#in~str.base|) |__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_#in~str.offset|)), 510#(= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.base) __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.offset)), 511#(= 0 |__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_#t~mem4|)] [2018-04-12 20:14:46,135 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:14:46,136 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-12 20:14:46,136 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-12 20:14:46,136 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-04-12 20:14:46,136 INFO L87 Difference]: Start difference. First operand 49 states and 55 transitions. Second operand 10 states. [2018-04-12 20:14:46,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:14:46,249 INFO L93 Difference]: Finished difference Result 83 states and 91 transitions. [2018-04-12 20:14:46,250 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-12 20:14:46,250 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 22 [2018-04-12 20:14:46,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:14:46,250 INFO L225 Difference]: With dead ends: 83 [2018-04-12 20:14:46,250 INFO L226 Difference]: Without dead ends: 83 [2018-04-12 20:14:46,251 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2018-04-12 20:14:46,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2018-04-12 20:14:46,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 63. [2018-04-12 20:14:46,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-04-12 20:14:46,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 71 transitions. [2018-04-12 20:14:46,255 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 71 transitions. Word has length 22 [2018-04-12 20:14:46,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:14:46,255 INFO L459 AbstractCegarLoop]: Abstraction has 63 states and 71 transitions. [2018-04-12 20:14:46,255 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-12 20:14:46,256 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 71 transitions. [2018-04-12 20:14:46,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-12 20:14:46,256 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:14:46,256 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] [2018-04-12 20:14:46,256 INFO L408 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr1RequiresViolation, __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 20:14:46,257 INFO L82 PathProgramCache]: Analyzing trace with hash 135693684, now seen corresponding path program 1 times [2018-04-12 20:14:46,257 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:14:46,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:14:46,269 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:14:46,379 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 20:14:46,379 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 20:14:46,379 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-04-12 20:14:46,379 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:14:46,379 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 20:14:46,380 INFO L182 omatonBuilderFactory]: Interpolants [673#true, 674#false, 675#(<= 1 main_~length1~0), 676#(and (<= 1 main_~length1~0) (= 0 |main_#t~malloc8.offset|)), 677#(and (<= 1 main_~length1~0) (= main_~nondetString1~0.offset 0)), 678#(and (= 0 main_~nondetString1~0.offset) (or (= 0 (select (select |#memory_int| main_~nondetString1~0.base) main_~nondetString1~0.offset)) (<= 2 (select |#length| main_~nondetString1~0.base)))), 679#(and (or (<= 2 (select |#length| |__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_#in~str.base|)) (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_#in~str.base|) |__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_#in~str.offset|))) (= 0 |__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_#in~str.offset|)), 680#(and (= __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.offset 0) (or (<= 2 (select |#length| __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.base)) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.base) __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.offset)))), 681#(and (or (= 0 |__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_#t~mem4|) (<= 2 (select |#length| __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.base))) (= __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.offset 0)), 682#(and (or (not |__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_#t~short5|) (<= 2 (select |#length| __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.base))) (= __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.offset 0)), 683#(and (<= 2 (select |#length| __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.base)) (= __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.offset 0)), 684#(and (<= 1 __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.offset) (<= (+ __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.base)))] [2018-04-12 20:14:46,380 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 20:14:46,380 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-12 20:14:46,380 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-12 20:14:46,380 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2018-04-12 20:14:46,380 INFO L87 Difference]: Start difference. First operand 63 states and 71 transitions. Second operand 12 states. [2018-04-12 20:14:46,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:14:46,569 INFO L93 Difference]: Finished difference Result 85 states and 96 transitions. [2018-04-12 20:14:46,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-12 20:14:46,570 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 22 [2018-04-12 20:14:46,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:14:46,571 INFO L225 Difference]: With dead ends: 85 [2018-04-12 20:14:46,571 INFO L226 Difference]: Without dead ends: 85 [2018-04-12 20:14:46,571 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=336, Unknown=0, NotChecked=0, Total=420 [2018-04-12 20:14:46,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-04-12 20:14:46,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 69. [2018-04-12 20:14:46,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-04-12 20:14:46,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 79 transitions. [2018-04-12 20:14:46,576 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 79 transitions. Word has length 22 [2018-04-12 20:14:46,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:14:46,576 INFO L459 AbstractCegarLoop]: Abstraction has 69 states and 79 transitions. [2018-04-12 20:14:46,576 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-12 20:14:46,576 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 79 transitions. [2018-04-12 20:14:46,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-12 20:14:46,577 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:14:46,577 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] [2018-04-12 20:14:46,577 INFO L408 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr1RequiresViolation, __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 20:14:46,577 INFO L82 PathProgramCache]: Analyzing trace with hash -1449445054, now seen corresponding path program 1 times [2018-04-12 20:14:46,578 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:14:46,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:14:46,587 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:14:46,625 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 20:14:46,625 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 20:14:46,625 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-12 20:14:46,625 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:14:46,625 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 20:14:46,625 INFO L182 omatonBuilderFactory]: Interpolants [857#true, 858#false, 859#(and (<= 1 main_~n~0) (<= main_~n~0 1)), 860#(and (<= |__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_#in~maxlen| __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~maxlen) (<= __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~maxlen |__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_#in~maxlen|)), 861#(or |__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_#t~short5| (<= 4294967296 |__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_#in~maxlen|) (<= |__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_#in~maxlen| 0)), 862#(or (<= 4294967296 |__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_#in~maxlen|) (<= |__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_#in~maxlen| 0))] [2018-04-12 20:14:46,625 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 20:14:46,626 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 20:14:46,626 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 20:14:46,626 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-04-12 20:14:46,626 INFO L87 Difference]: Start difference. First operand 69 states and 79 transitions. Second operand 6 states. [2018-04-12 20:14:46,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:14:46,669 INFO L93 Difference]: Finished difference Result 96 states and 105 transitions. [2018-04-12 20:14:46,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-12 20:14:46,670 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2018-04-12 20:14:46,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:14:46,671 INFO L225 Difference]: With dead ends: 96 [2018-04-12 20:14:46,671 INFO L226 Difference]: Without dead ends: 92 [2018-04-12 20:14:46,671 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-04-12 20:14:46,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-04-12 20:14:46,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 77. [2018-04-12 20:14:46,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-04-12 20:14:46,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 87 transitions. [2018-04-12 20:14:46,679 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 87 transitions. Word has length 23 [2018-04-12 20:14:46,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:14:46,679 INFO L459 AbstractCegarLoop]: Abstraction has 77 states and 87 transitions. [2018-04-12 20:14:46,679 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 20:14:46,680 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 87 transitions. [2018-04-12 20:14:46,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-12 20:14:46,681 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:14:46,681 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] [2018-04-12 20:14:46,681 INFO L408 AbstractCegarLoop]: === Iteration 10 === [__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr1RequiresViolation, __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 20:14:46,681 INFO L82 PathProgramCache]: Analyzing trace with hash 1824453888, now seen corresponding path program 1 times [2018-04-12 20:14:46,682 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:14:46,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:14:46,692 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:14:46,719 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 20:14:46,719 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 20:14:46,719 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 20:14:46,719 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:14:46,720 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 20:14:46,720 INFO L182 omatonBuilderFactory]: Interpolants [1040#true, 1041#false, 1042#(= |#valid| |old(#valid)|), 1043#(= (store |#valid| |main_#t~malloc8.base| 0) |old(#valid)|)] [2018-04-12 20:14:46,720 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 20:14:46,720 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 20:14:46,720 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 20:14:46,720 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 20:14:46,720 INFO L87 Difference]: Start difference. First operand 77 states and 87 transitions. Second operand 4 states. [2018-04-12 20:14:46,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:14:46,750 INFO L93 Difference]: Finished difference Result 76 states and 86 transitions. [2018-04-12 20:14:46,750 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 20:14:46,750 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2018-04-12 20:14:46,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:14:46,751 INFO L225 Difference]: With dead ends: 76 [2018-04-12 20:14:46,751 INFO L226 Difference]: Without dead ends: 29 [2018-04-12 20:14:46,751 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 20:14:46,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2018-04-12 20:14:46,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2018-04-12 20:14:46,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-04-12 20:14:46,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 29 transitions. [2018-04-12 20:14:46,753 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 29 transitions. Word has length 23 [2018-04-12 20:14:46,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:14:46,753 INFO L459 AbstractCegarLoop]: Abstraction has 29 states and 29 transitions. [2018-04-12 20:14:46,753 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 20:14:46,753 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 29 transitions. [2018-04-12 20:14:46,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-12 20:14:46,754 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:14:46,754 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 20:14:46,754 INFO L408 AbstractCegarLoop]: === Iteration 11 === [__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr1RequiresViolation, __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 20:14:46,754 INFO L82 PathProgramCache]: Analyzing trace with hash 1589629196, now seen corresponding path program 2 times [2018-04-12 20:14:46,755 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:14:46,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:14:46,769 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:14:46,980 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:14:46,980 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 20:14:46,980 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-04-12 20:14:46,981 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:14:46,981 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 20:14:46,981 INFO L182 omatonBuilderFactory]: Interpolants [1152#false, 1153#(and (= main_~length1~0 (select |#length| |main_#t~malloc8.base|)) (= 0 |main_#t~malloc8.offset|)), 1154#(and (= 0 main_~nondetString1~0.offset) (or (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (= (+ main_~nondetString1~0.offset main_~length1~0) 2))), 1155#(and (= 0 main_~nondetString1~0.offset) (or (= 0 (select (select |#memory_int| main_~nondetString1~0.base) 1)) (<= 3 (+ main_~nondetString1~0.offset (select |#length| main_~nondetString1~0.base))) (<= (+ main_~nondetString1~0.offset (select |#length| main_~nondetString1~0.base)) 1))), 1156#(and (or (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_#in~str.base|) 1)) (<= (select |#length| |__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_#in~str.base|) 1) (<= 3 (select |#length| |__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_#in~str.base|))) (= 0 |__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_#in~str.offset|)), 1157#(and (= __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.offset 0) (or (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.base) 1)) (<= 3 (select |#length| __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.base)) (<= (select |#length| __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.base) 1))), 1158#(or (and (<= 1 __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.offset) (or (<= (+ __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.offset 2) (select |#length| __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.base)) (<= (select |#length| __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.base) __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.offset))) (and (= 1 __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.offset) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.base) __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.offset)))), 1159#(or (and (<= (+ __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.offset 2) (select |#length| __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.base)) (<= 1 __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.offset)) (and (= 0 |__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_#t~mem4|) (= 1 __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.offset))), 1160#(or (and (not |__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_#t~short5|) (= 1 __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.offset)) (and (<= (+ __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.offset 2) (select |#length| __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.base)) (<= 1 __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.offset))), 1161#(and (<= (+ __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.offset 2) (select |#length| __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.base)) (<= 1 __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.offset)), 1162#(and (<= 2 __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.offset) (<= (+ __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.base))), 1151#true] [2018-04-12 20:14:46,981 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:14:46,981 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-12 20:14:46,981 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-12 20:14:46,981 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2018-04-12 20:14:46,982 INFO L87 Difference]: Start difference. First operand 29 states and 29 transitions. Second operand 12 states. [2018-04-12 20:14:47,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:14:47,223 INFO L93 Difference]: Finished difference Result 38 states and 38 transitions. [2018-04-12 20:14:47,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-12 20:14:47,224 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 28 [2018-04-12 20:14:47,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:14:47,224 INFO L225 Difference]: With dead ends: 38 [2018-04-12 20:14:47,224 INFO L226 Difference]: Without dead ends: 38 [2018-04-12 20:14:47,224 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=70, Invalid=310, Unknown=0, NotChecked=0, Total=380 [2018-04-12 20:14:47,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-04-12 20:14:47,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 35. [2018-04-12 20:14:47,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-04-12 20:14:47,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 35 transitions. [2018-04-12 20:14:47,226 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 35 transitions. Word has length 28 [2018-04-12 20:14:47,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:14:47,226 INFO L459 AbstractCegarLoop]: Abstraction has 35 states and 35 transitions. [2018-04-12 20:14:47,226 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-12 20:14:47,226 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 35 transitions. [2018-04-12 20:14:47,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-04-12 20:14:47,227 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:14:47,227 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 20:14:47,227 INFO L408 AbstractCegarLoop]: === Iteration 12 === [__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr1RequiresViolation, __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 20:14:47,227 INFO L82 PathProgramCache]: Analyzing trace with hash 783813284, now seen corresponding path program 3 times [2018-04-12 20:14:47,228 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:14:47,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:14:47,244 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:14:47,349 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-04-12 20:14:47,349 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 20:14:47,349 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-04-12 20:14:47,349 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:14:47,350 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 20:14:47,350 INFO L182 omatonBuilderFactory]: Interpolants [1252#true, 1253#false, 1254#(and (= main_~length1~0 (select |#length| |main_#t~malloc8.base|)) (= 0 |main_#t~malloc8.offset|)), 1255#(and (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (= main_~nondetString1~0.offset 0)), 1256#(and (= 0 (select (select |#memory_int| main_~nondetString1~0.base) (+ (select |#length| main_~nondetString1~0.base) (+ main_~nondetString1~0.offset (- 1))))) (= main_~nondetString1~0.offset 0)), 1257#(= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_#in~str.base|) (+ (select |#length| |__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_#in~str.base|) (- 1)))), 1258#(= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.base) (+ (select |#length| __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.base) (- 1)))), 1259#(or (<= (+ __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.offset 2) (select |#length| __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.base)) (<= (select |#length| __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.base) __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.offset) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.base) __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.offset))), 1260#(or (= 0 |__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_#t~mem4|) (and (<= (+ __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.offset 2) (select |#length| __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.base)) (<= 0 __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.offset))), 1261#(or (not |__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_#t~short5|) (and (<= (+ __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.offset 2) (select |#length| __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.base)) (<= 0 __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.offset))), 1262#(and (<= (+ __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.offset 2) (select |#length| __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.base)) (<= 0 __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.offset)), 1263#(and (<= 1 __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.offset) (<= (+ __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen_~cp~0.base)))] [2018-04-12 20:14:47,350 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-04-12 20:14:47,350 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-12 20:14:47,350 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-12 20:14:47,350 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2018-04-12 20:14:47,350 INFO L87 Difference]: Start difference. First operand 35 states and 35 transitions. Second operand 12 states. [2018-04-12 20:14:47,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:14:47,533 INFO L93 Difference]: Finished difference Result 34 states and 34 transitions. [2018-04-12 20:14:47,533 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-12 20:14:47,533 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 34 [2018-04-12 20:14:47,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:14:47,534 INFO L225 Difference]: With dead ends: 34 [2018-04-12 20:14:47,534 INFO L226 Difference]: Without dead ends: 0 [2018-04-12 20:14:47,534 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=349, Unknown=0, NotChecked=0, Total=462 [2018-04-12 20:14:47,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-12 20:14:47,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-12 20:14:47,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-12 20:14:47,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-12 20:14:47,534 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2018-04-12 20:14:47,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:14:47,534 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-12 20:14:47,535 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-12 20:14:47,535 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-12 20:14:47,535 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-12 20:14:47,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.04 08:14:47 BoogieIcfgContainer [2018-04-12 20:14:47,537 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-12 20:14:47,538 INFO L168 Benchmark]: Toolchain (without parser) took 2953.91 ms. Allocated memory was 401.1 MB in the beginning and 674.2 MB in the end (delta: 273.2 MB). Free memory was 336.8 MB in the beginning and 514.6 MB in the end (delta: -177.8 MB). Peak memory consumption was 95.3 MB. Max. memory is 5.3 GB. [2018-04-12 20:14:47,539 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 401.1 MB. Free memory is still 361.5 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-12 20:14:47,539 INFO L168 Benchmark]: CACSL2BoogieTranslator took 247.31 ms. Allocated memory is still 401.1 MB. Free memory was 335.5 MB in the beginning and 312.9 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 5.3 GB. [2018-04-12 20:14:47,539 INFO L168 Benchmark]: Boogie Preprocessor took 43.19 ms. Allocated memory is still 401.1 MB. Free memory was 312.9 MB in the beginning and 310.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-12 20:14:47,540 INFO L168 Benchmark]: RCFGBuilder took 359.55 ms. Allocated memory was 401.1 MB in the beginning and 602.9 MB in the end (delta: 201.9 MB). Free memory was 310.2 MB in the beginning and 542.9 MB in the end (delta: -232.7 MB). Peak memory consumption was 24.5 MB. Max. memory is 5.3 GB. [2018-04-12 20:14:47,540 INFO L168 Benchmark]: TraceAbstraction took 2300.71 ms. Allocated memory was 602.9 MB in the beginning and 674.2 MB in the end (delta: 71.3 MB). Free memory was 541.2 MB in the beginning and 514.6 MB in the end (delta: 26.5 MB). Peak memory consumption was 97.8 MB. Max. memory is 5.3 GB. [2018-04-12 20:14:47,542 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 401.1 MB. Free memory is still 361.5 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 247.31 ms. Allocated memory is still 401.1 MB. Free memory was 335.5 MB in the beginning and 312.9 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 43.19 ms. Allocated memory is still 401.1 MB. Free memory was 312.9 MB in the beginning and 310.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 359.55 ms. Allocated memory was 401.1 MB in the beginning and 602.9 MB in the end (delta: 201.9 MB). Free memory was 310.2 MB in the beginning and 542.9 MB in the end (delta: -232.7 MB). Peak memory consumption was 24.5 MB. Max. memory is 5.3 GB. * TraceAbstraction took 2300.71 ms. Allocated memory was 602.9 MB in the beginning and 674.2 MB in the end (delta: 71.3 MB). Free memory was 541.2 MB in the beginning and 514.6 MB in the end (delta: 26.5 MB). Peak memory consumption was 97.8 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 544]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 544]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 558]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 558]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 40 locations, 5 error locations. SAFE Result, 2.2s OverallTime, 12 OverallIterations, 4 TraceHistogramMax, 1.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 301 SDtfs, 294 SDslu, 905 SDs, 0 SdLazy, 635 SolverSat, 72 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 130 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=77occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 12/50 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 12 MinimizatonAttempts, 69 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 248 NumberOfCodeBlocks, 248 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 236 ConstructedInterpolants, 0 QuantifiedInterpolants, 34131 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 8 PerfectInterpolantSequences, 12/50 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_cstrnlen-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-12_20-14-47-549.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-12_20-14-47-549.csv Received shutdown request...