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_cstrlcpy-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-12 02:51:09,384 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-12 02:51:09,386 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-12 02:51:09,398 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-04-12 02:51:09,404 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-12 02:51:09,405 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-12 02:51:09,406 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-12 02:51:09,406 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-12 02:51:09,408 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-12 02:51:09,409 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-12 02:51:09,411 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-12 02:51:09,412 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-12 02:51:09,413 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-12 02:51:09,414 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-04-12 02:51:09,420 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 02:51:09,443 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-12 02:51:09,443 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-12 02:51:09,444 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-12 02:51:09,444 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-12 02:51:09,444 INFO L133 SettingsManager]: * Use SBE=true [2018-04-12 02:51:09,445 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-12 02:51:09,445 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-12 02:51:09,445 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-12 02:51:09,445 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-12 02:51:09,445 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-12 02:51:09,445 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-12 02:51:09,445 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-12 02:51:09,446 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-12 02:51:09,446 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-12 02:51:09,446 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-12 02:51:09,446 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-12 02:51:09,446 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-12 02:51:09,446 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-12 02:51:09,446 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-12 02:51:09,447 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-12 02:51:09,447 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-12 02:51:09,447 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 02:51:09,476 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-12 02:51:09,486 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-12 02:51:09,490 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-12 02:51:09,492 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-12 02:51:09,492 INFO L276 PluginConnector]: CDTParser initialized [2018-04-12 02:51:09,492 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,797 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGd415040d9 [2018-04-12 02:51:09,927 INFO L287 CDTParser]: IsIndexed: true [2018-04-12 02:51:09,927 INFO L288 CDTParser]: Found 1 translation units. [2018-04-12 02:51:09,927 INFO L168 CDTParser]: Scanning openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,939 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-12 02:51:09,939 INFO L215 ultiparseSymbolTable]: [2018-04-12 02:51:09,939 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-12 02:51:09,939 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____bswap_64 ('__bswap_64') in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,939 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy ('cstrlcpy') in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,939 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____bswap_32 ('__bswap_32') in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,940 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,940 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-12 02:51:09,940 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____ssize_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,940 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____mode_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,940 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__fsfilcnt_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,940 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____intptr_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,940 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____socklen_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,940 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__pid_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,940 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__int32_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,941 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__ino_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,941 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____fsfilcnt64_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,941 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____timer_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,941 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__size_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,941 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__key_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,941 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____nlink_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,941 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__off_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,941 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____int8_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,941 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__timer_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,941 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__caddr_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,942 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__mode_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,942 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__div_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,942 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____u_short in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,942 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____uint64_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,942 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__gid_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,942 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____blkcnt64_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,942 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____uid_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,942 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____fsword_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,942 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__ssize_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,942 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__u_short in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,943 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____qaddr_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,943 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____dev_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,943 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____fsblkcnt_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,943 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____int64_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,943 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____useconds_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,943 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__id_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,943 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__pthread_condattr_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,943 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____blksize_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,943 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____caddr_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,943 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__fd_set in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,943 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____u_int in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,944 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__dev_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,944 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__time_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,944 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__pthread_rwlock_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,944 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__pthread_key_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,944 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__fsid_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,944 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__register_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,944 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____clock_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,944 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____daddr_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,944 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__pthread_barrierattr_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,944 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__int64_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,944 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__pthread_mutex_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,945 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__u_quad_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,945 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__ushort in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,945 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__ldiv_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,945 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____rlim64_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,945 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____fsfilcnt_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,945 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__u_int64_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,945 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____key_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,945 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____uint8_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,945 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__loff_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,945 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____time_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,946 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__int8_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,946 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____quad_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,946 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____off_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,946 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____fsid_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,946 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__u_long in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,946 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__clock_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,946 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__pthread_barrier_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,946 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____uint16_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,946 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____gid_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,946 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____WAIT_STATUS in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,946 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____syscall_slong_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,947 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__pthread_cond_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,947 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__u_char in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,947 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____loff_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,947 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__daddr_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,947 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__quad_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,947 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__blkcnt_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,947 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__sigset_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,947 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__u_int16_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,947 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____blkcnt_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,947 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__ulong in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,947 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__suseconds_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,948 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____u_long in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,948 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____int16_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,948 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__fd_mask in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,948 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__pthread_spinlock_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,948 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,948 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____ino_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,948 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____sigset_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,948 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__uint in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,948 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____ino64_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,948 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____fd_mask in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,948 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__nlink_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,948 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__blksize_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,948 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__lldiv_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,948 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____id_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,949 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__pthread_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,949 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____syscall_ulong_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,949 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__int16_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,949 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____uint32_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,949 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__pthread_attr_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,949 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__wchar_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,949 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__u_int8_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,949 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__pthread_once_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,949 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____sig_atomic_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,949 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__uid_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,949 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____clockid_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,949 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__clockid_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,949 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__u_int32_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,949 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__u_int in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,949 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____int32_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,949 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____pthread_list_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,949 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__fsblkcnt_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,949 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____rlim_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,949 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____pid_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,949 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____u_quad_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,949 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__pthread_mutexattr_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,950 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____fsblkcnt64_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,950 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____u_char in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,950 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____off64_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,950 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____suseconds_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:09,962 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGd415040d9 [2018-04-12 02:51:09,965 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-12 02:51:09,966 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-12 02:51:09,966 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-12 02:51:09,966 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-12 02:51:09,970 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-12 02:51:09,970 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 02:51:09" (1/1) ... [2018-04-12 02:51:09,972 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@481d59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:51:09, skipping insertion in model container [2018-04-12 02:51:09,972 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 02:51:09" (1/1) ... [2018-04-12 02:51:09,982 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 02:51:10,004 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 02:51:10,146 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 02:51:10,189 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 02:51:10,195 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-12 02:51:10,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:51:10 WrapperNode [2018-04-12 02:51:10,245 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-12 02:51:10,245 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-12 02:51:10,245 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-12 02:51:10,245 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-12 02:51:10,257 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:51:10" (1/1) ... [2018-04-12 02:51:10,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:51:10" (1/1) ... [2018-04-12 02:51:10,270 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:51:10" (1/1) ... [2018-04-12 02:51:10,270 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:51:10" (1/1) ... [2018-04-12 02:51:10,279 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:51:10" (1/1) ... [2018-04-12 02:51:10,285 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:51:10" (1/1) ... [2018-04-12 02:51:10,287 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:51:10" (1/1) ... [2018-04-12 02:51:10,291 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-12 02:51:10,291 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-12 02:51:10,292 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-12 02:51:10,292 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-12 02:51:10,292 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:51:10" (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 02:51:10,414 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-12 02:51:10,414 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-12 02:51:10,414 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-12 02:51:10,414 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-12 02:51:10,414 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy [2018-04-12 02:51:10,414 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-12 02:51:10,415 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-12 02:51:10,415 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-12 02:51:10,415 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-12 02:51:10,415 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-12 02:51:10,415 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-12 02:51:10,415 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-12 02:51:10,415 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-12 02:51:10,415 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-12 02:51:10,415 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-12 02:51:10,415 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-12 02:51:10,415 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-12 02:51:10,416 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-12 02:51:10,416 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-12 02:51:10,416 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-12 02:51:10,416 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-12 02:51:10,416 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-12 02:51:10,416 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-12 02:51:10,416 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-12 02:51:10,416 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-12 02:51:10,416 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-12 02:51:10,416 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-12 02:51:10,417 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-12 02:51:10,417 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-12 02:51:10,417 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-12 02:51:10,417 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-12 02:51:10,417 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-12 02:51:10,417 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-12 02:51:10,417 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-12 02:51:10,417 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-12 02:51:10,417 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-12 02:51:10,418 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-12 02:51:10,418 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-12 02:51:10,418 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-12 02:51:10,418 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-12 02:51:10,418 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-12 02:51:10,418 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-12 02:51:10,418 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-12 02:51:10,418 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-12 02:51:10,418 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-12 02:51:10,419 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-12 02:51:10,419 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-12 02:51:10,419 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-12 02:51:10,419 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-12 02:51:10,419 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-12 02:51:10,419 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-12 02:51:10,419 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-12 02:51:10,419 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-12 02:51:10,419 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-12 02:51:10,419 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-12 02:51:10,420 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-12 02:51:10,420 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-12 02:51:10,420 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-12 02:51:10,420 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-12 02:51:10,420 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-12 02:51:10,420 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-12 02:51:10,420 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-12 02:51:10,420 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-12 02:51:10,420 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-12 02:51:10,420 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-12 02:51:10,420 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-12 02:51:10,420 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-12 02:51:10,420 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-12 02:51:10,420 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-12 02:51:10,421 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-12 02:51:10,421 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-12 02:51:10,421 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-12 02:51:10,421 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-12 02:51:10,421 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-12 02:51:10,421 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-12 02:51:10,421 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-12 02:51:10,421 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-12 02:51:10,421 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-12 02:51:10,421 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-12 02:51:10,421 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-12 02:51:10,421 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-12 02:51:10,421 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-12 02:51:10,422 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-12 02:51:10,422 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-12 02:51:10,422 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-12 02:51:10,422 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-12 02:51:10,422 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-12 02:51:10,422 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-12 02:51:10,422 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-12 02:51:10,422 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-12 02:51:10,422 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-12 02:51:10,422 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-12 02:51:10,422 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-12 02:51:10,422 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-12 02:51:10,422 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-12 02:51:10,423 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-12 02:51:10,423 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-12 02:51:10,423 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-12 02:51:10,423 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-12 02:51:10,423 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-12 02:51:10,423 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-12 02:51:10,423 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-12 02:51:10,423 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-12 02:51:10,423 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-12 02:51:10,423 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-12 02:51:10,424 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-12 02:51:10,424 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-12 02:51:10,424 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-12 02:51:10,424 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-12 02:51:10,424 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy [2018-04-12 02:51:10,424 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-12 02:51:10,424 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-12 02:51:10,424 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-12 02:51:10,424 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-12 02:51:10,424 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-12 02:51:10,424 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-12 02:51:10,425 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-12 02:51:10,425 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-12 02:51:10,706 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-12 02:51:10,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 02:51:10 BoogieIcfgContainer [2018-04-12 02:51:10,706 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-12 02:51:10,707 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-12 02:51:10,707 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-12 02:51:10,709 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-12 02:51:10,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.04 02:51:09" (1/3) ... [2018-04-12 02:51:10,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24a65b71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 02:51:10, skipping insertion in model container [2018-04-12 02:51:10,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:51:10" (2/3) ... [2018-04-12 02:51:10,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24a65b71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 02:51:10, skipping insertion in model container [2018-04-12 02:51:10,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 02:51:10" (3/3) ... [2018-04-12 02:51:10,712 INFO L107 eAbstractionObserver]: Analyzing ICFG openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:10,720 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-04-12 02:51:10,727 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations. [2018-04-12 02:51:10,755 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-12 02:51:10,756 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-12 02:51:10,756 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-12 02:51:10,756 INFO L371 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-04-12 02:51:10,756 INFO L372 AbstractCegarLoop]: Backedges is CANONICAL [2018-04-12 02:51:10,756 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-12 02:51:10,756 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-12 02:51:10,756 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-12 02:51:10,756 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-12 02:51:10,757 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-12 02:51:10,767 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2018-04-12 02:51:10,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-12 02:51:10,772 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:10,773 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:51:10,773 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:51:10,776 INFO L82 PathProgramCache]: Analyzing trace with hash -1063371436, now seen corresponding path program 1 times [2018-04-12 02:51:10,809 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:10,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:10,846 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:10,906 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 02:51:10,908 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:51:10,908 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 02:51:10,909 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:10,909 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 02:51:10,909 INFO L182 omatonBuilderFactory]: Interpolants [58#true, 59#false, 60#(= 1 (select |#valid| |main_#t~malloc10.base|)), 61#(= 1 (select |#valid| main_~nondetString1~0.base))] [2018-04-12 02:51:10,909 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 02:51:10,910 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 02:51:10,918 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 02:51:10,918 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 02:51:10,919 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 4 states. [2018-04-12 02:51:10,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:10,982 INFO L93 Difference]: Finished difference Result 54 states and 61 transitions. [2018-04-12 02:51:10,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-12 02:51:10,983 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-04-12 02:51:10,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:10,991 INFO L225 Difference]: With dead ends: 54 [2018-04-12 02:51:10,992 INFO L226 Difference]: Without dead ends: 51 [2018-04-12 02:51:10,993 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 02:51:11,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-04-12 02:51:11,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-04-12 02:51:11,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-04-12 02:51:11,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 58 transitions. [2018-04-12 02:51:11,018 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 58 transitions. Word has length 13 [2018-04-12 02:51:11,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:11,018 INFO L459 AbstractCegarLoop]: Abstraction has 51 states and 58 transitions. [2018-04-12 02:51:11,018 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 02:51:11,018 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 58 transitions. [2018-04-12 02:51:11,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-12 02:51:11,018 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:11,018 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:51:11,019 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:51:11,019 INFO L82 PathProgramCache]: Analyzing trace with hash -1063371435, now seen corresponding path program 1 times [2018-04-12 02:51:11,020 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:11,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:11,033 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:11,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:11,111 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:51:11,111 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 02:51:11,111 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:11,111 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 02:51:11,111 INFO L182 omatonBuilderFactory]: Interpolants [169#true, 170#false, 171#(<= 1 main_~n~1), 172#(and (= main_~n~1 (select |#length| |main_#t~malloc10.base|)) (= 0 |main_#t~malloc10.offset|) (<= 1 main_~n~1) (= (select |#valid| |main_#t~malloc10.base|) 1)), 173#(and (= (select |#valid| main_~nondetString1~0.base) 1) (= main_~n~1 (select |#length| main_~nondetString1~0.base)) (<= 1 main_~n~1) (= main_~nondetString1~0.offset 0)), 174#(and (= main_~n~1 (select |#length| main_~nondetString1~0.base)) (<= 1 main_~n~1) (= main_~nondetString1~0.offset 0))] [2018-04-12 02:51:11,111 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 02:51:11,112 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 02:51:11,112 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 02:51:11,112 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-04-12 02:51:11,112 INFO L87 Difference]: Start difference. First operand 51 states and 58 transitions. Second operand 6 states. [2018-04-12 02:51:11,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:11,167 INFO L93 Difference]: Finished difference Result 50 states and 57 transitions. [2018-04-12 02:51:11,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 02:51:11,167 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2018-04-12 02:51:11,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:11,167 INFO L225 Difference]: With dead ends: 50 [2018-04-12 02:51:11,167 INFO L226 Difference]: Without dead ends: 50 [2018-04-12 02:51:11,168 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2018-04-12 02:51:11,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-04-12 02:51:11,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-04-12 02:51:11,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-04-12 02:51:11,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 57 transitions. [2018-04-12 02:51:11,171 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 57 transitions. Word has length 13 [2018-04-12 02:51:11,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:11,171 INFO L459 AbstractCegarLoop]: Abstraction has 50 states and 57 transitions. [2018-04-12 02:51:11,171 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 02:51:11,171 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 57 transitions. [2018-04-12 02:51:11,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-12 02:51:11,172 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:11,172 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:51:11,172 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:51:11,172 INFO L82 PathProgramCache]: Analyzing trace with hash 1395223911, now seen corresponding path program 1 times [2018-04-12 02:51:11,173 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:11,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:11,182 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:11,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:11,213 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:51:11,214 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 02:51:11,214 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:11,214 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 02:51:11,214 INFO L182 omatonBuilderFactory]: Interpolants [277#true, 278#false, 279#(= 1 (select |#valid| |main_#t~malloc11.base|)), 280#(= 1 (select |#valid| main_~nondetString2~0.base))] [2018-04-12 02:51:11,214 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 02:51:11,214 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 02:51:11,214 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 02:51:11,214 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 02:51:11,215 INFO L87 Difference]: Start difference. First operand 50 states and 57 transitions. Second operand 4 states. [2018-04-12 02:51:11,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:11,256 INFO L93 Difference]: Finished difference Result 49 states and 56 transitions. [2018-04-12 02:51:11,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-12 02:51:11,256 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-04-12 02:51:11,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:11,257 INFO L225 Difference]: With dead ends: 49 [2018-04-12 02:51:11,257 INFO L226 Difference]: Without dead ends: 49 [2018-04-12 02:51:11,258 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 02:51:11,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-04-12 02:51:11,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-04-12 02:51:11,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-04-12 02:51:11,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 56 transitions. [2018-04-12 02:51:11,261 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 56 transitions. Word has length 14 [2018-04-12 02:51:11,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:11,262 INFO L459 AbstractCegarLoop]: Abstraction has 49 states and 56 transitions. [2018-04-12 02:51:11,262 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 02:51:11,262 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 56 transitions. [2018-04-12 02:51:11,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-12 02:51:11,262 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:11,262 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:51:11,262 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:51:11,262 INFO L82 PathProgramCache]: Analyzing trace with hash 1395223912, now seen corresponding path program 1 times [2018-04-12 02:51:11,263 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:11,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:11,272 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:11,306 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 02:51:11,306 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:51:11,306 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 02:51:11,306 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:11,307 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 02:51:11,307 INFO L182 omatonBuilderFactory]: Interpolants [384#(and (= main_~length~0 (select |#length| |main_#t~malloc11.base|)) (= 0 |main_#t~malloc11.offset|) (<= 1 main_~length~0)), 385#(and (= main_~nondetString2~0.offset 0) (= main_~length~0 (select |#length| main_~nondetString2~0.base)) (<= 1 main_~length~0)), 381#true, 382#false, 383#(<= 1 main_~length~0)] [2018-04-12 02:51:11,307 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 02:51:11,307 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 02:51:11,308 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 02:51:11,308 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 02:51:11,308 INFO L87 Difference]: Start difference. First operand 49 states and 56 transitions. Second operand 5 states. [2018-04-12 02:51:11,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:11,353 INFO L93 Difference]: Finished difference Result 48 states and 55 transitions. [2018-04-12 02:51:11,353 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 02:51:11,354 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-04-12 02:51:11,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:11,354 INFO L225 Difference]: With dead ends: 48 [2018-04-12 02:51:11,354 INFO L226 Difference]: Without dead ends: 48 [2018-04-12 02:51:11,354 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 02:51:11,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-04-12 02:51:11,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2018-04-12 02:51:11,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-04-12 02:51:11,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 55 transitions. [2018-04-12 02:51:11,356 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 55 transitions. Word has length 14 [2018-04-12 02:51:11,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:11,357 INFO L459 AbstractCegarLoop]: Abstraction has 48 states and 55 transitions. [2018-04-12 02:51:11,357 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 02:51:11,357 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 55 transitions. [2018-04-12 02:51:11,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-12 02:51:11,357 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:11,357 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:51:11,359 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:51:11,359 INFO L82 PathProgramCache]: Analyzing trace with hash 1589078277, now seen corresponding path program 1 times [2018-04-12 02:51:11,360 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:11,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:11,371 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:11,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:11,413 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:51:11,413 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 02:51:11,413 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:11,413 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 02:51:11,413 INFO L182 omatonBuilderFactory]: Interpolants [484#true, 485#false, 486#(= 1 (select |#valid| main_~nondetString1~0.base)), 487#(= 1 (select |#valid| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~dst.base|)), 488#(= 1 (select |#valid| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base))] [2018-04-12 02:51:11,414 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 02:51:11,414 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 02:51:11,414 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 02:51:11,414 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-12 02:51:11,415 INFO L87 Difference]: Start difference. First operand 48 states and 55 transitions. Second operand 5 states. [2018-04-12 02:51:11,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:11,451 INFO L93 Difference]: Finished difference Result 47 states and 54 transitions. [2018-04-12 02:51:11,451 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 02:51:11,451 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2018-04-12 02:51:11,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:11,452 INFO L225 Difference]: With dead ends: 47 [2018-04-12 02:51:11,452 INFO L226 Difference]: Without dead ends: 47 [2018-04-12 02:51:11,452 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 02:51:11,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-04-12 02:51:11,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2018-04-12 02:51:11,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-04-12 02:51:11,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 54 transitions. [2018-04-12 02:51:11,454 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 54 transitions. Word has length 20 [2018-04-12 02:51:11,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:11,454 INFO L459 AbstractCegarLoop]: Abstraction has 47 states and 54 transitions. [2018-04-12 02:51:11,454 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 02:51:11,454 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 54 transitions. [2018-04-12 02:51:11,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-12 02:51:11,455 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:11,455 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:51:11,455 INFO L408 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:51:11,455 INFO L82 PathProgramCache]: Analyzing trace with hash 1589078278, now seen corresponding path program 1 times [2018-04-12 02:51:11,456 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:11,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:11,465 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:11,540 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 02:51:11,540 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:51:11,541 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-12 02:51:11,541 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:11,541 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 02:51:11,541 INFO L182 omatonBuilderFactory]: Interpolants [592#(and (= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset 0) (<= 1 (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base))), 585#true, 586#false, 587#(<= 1 main_~n~1), 588#(and (= 0 |main_#t~malloc10.offset|) (<= 1 main_~n~1)), 589#(and (<= 1 main_~n~1) (= main_~nondetString1~0.offset 0)), 590#(and (<= (+ main_~nondetString1~0.offset 1) (select |#length| main_~nondetString1~0.base)) (= main_~nondetString1~0.offset 0)), 591#(and (= 0 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~dst.offset|) (<= 1 (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~dst.base|)))] [2018-04-12 02:51:11,541 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 02:51:11,542 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-12 02:51:11,542 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-12 02:51:11,542 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-04-12 02:51:11,542 INFO L87 Difference]: Start difference. First operand 47 states and 54 transitions. Second operand 8 states. [2018-04-12 02:51:11,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:11,626 INFO L93 Difference]: Finished difference Result 62 states and 73 transitions. [2018-04-12 02:51:11,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-12 02:51:11,627 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 20 [2018-04-12 02:51:11,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:11,629 INFO L225 Difference]: With dead ends: 62 [2018-04-12 02:51:11,629 INFO L226 Difference]: Without dead ends: 62 [2018-04-12 02:51:11,629 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2018-04-12 02:51:11,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-04-12 02:51:11,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 53. [2018-04-12 02:51:11,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-04-12 02:51:11,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 63 transitions. [2018-04-12 02:51:11,633 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 63 transitions. Word has length 20 [2018-04-12 02:51:11,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:11,634 INFO L459 AbstractCegarLoop]: Abstraction has 53 states and 63 transitions. [2018-04-12 02:51:11,634 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-12 02:51:11,634 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 63 transitions. [2018-04-12 02:51:11,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-04-12 02:51:11,634 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:11,635 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] [2018-04-12 02:51:11,635 INFO L408 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:51:11,635 INFO L82 PathProgramCache]: Analyzing trace with hash 1991019242, now seen corresponding path program 1 times [2018-04-12 02:51:11,636 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:11,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:11,647 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:11,676 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 02:51:11,676 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:51:11,676 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 02:51:11,676 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:11,676 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 02:51:11,676 INFO L182 omatonBuilderFactory]: Interpolants [720#(= 1 (select |#valid| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)), 721#(= 1 (select |#valid| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.base|)), 716#true, 717#false, 718#(= 1 (select |#valid| main_~nondetString2~0.base)), 719#(= 1 (select |#valid| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.base|))] [2018-04-12 02:51:11,676 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 02:51:11,676 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 02:51:11,677 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 02:51:11,677 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-12 02:51:11,677 INFO L87 Difference]: Start difference. First operand 53 states and 63 transitions. Second operand 6 states. [2018-04-12 02:51:11,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:11,746 INFO L93 Difference]: Finished difference Result 52 states and 62 transitions. [2018-04-12 02:51:11,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 02:51:11,746 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2018-04-12 02:51:11,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:11,747 INFO L225 Difference]: With dead ends: 52 [2018-04-12 02:51:11,747 INFO L226 Difference]: Without dead ends: 52 [2018-04-12 02:51:11,747 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-04-12 02:51:11,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-04-12 02:51:11,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-04-12 02:51:11,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-04-12 02:51:11,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 62 transitions. [2018-04-12 02:51:11,750 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 62 transitions. Word has length 21 [2018-04-12 02:51:11,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:11,750 INFO L459 AbstractCegarLoop]: Abstraction has 52 states and 62 transitions. [2018-04-12 02:51:11,750 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 02:51:11,750 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions. [2018-04-12 02:51:11,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-04-12 02:51:11,750 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:11,750 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] [2018-04-12 02:51:11,751 INFO L408 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:51:11,751 INFO L82 PathProgramCache]: Analyzing trace with hash 1991019243, now seen corresponding path program 1 times [2018-04-12 02:51:11,751 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:11,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:11,766 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:11,828 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 02:51:11,828 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:51:11,829 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-12 02:51:11,829 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:11,829 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 02:51:11,829 INFO L182 omatonBuilderFactory]: Interpolants [832#(<= 1 main_~length~0), 833#(and (= main_~length~0 (select |#length| |main_#t~malloc11.base|)) (= 0 |main_#t~malloc11.offset|) (<= 1 main_~length~0)), 834#(and (= 0 main_~nondetString2~0.offset) (= main_~length~0 (select |#length| main_~nondetString2~0.base)) (<= 1 main_~length~0)), 835#(and (= 0 main_~nondetString2~0.offset) (<= 1 (select |#length| main_~nondetString2~0.base))), 836#(and (= 0 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.offset|) (<= 1 (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.base|))), 837#(and (= 0 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (<= 1 (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base))), 838#(and (<= 1 (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.base|)) (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.offset| 0)), 830#true, 831#false] [2018-04-12 02:51:11,829 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 02:51:11,829 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-12 02:51:11,829 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-12 02:51:11,830 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-04-12 02:51:11,830 INFO L87 Difference]: Start difference. First operand 52 states and 62 transitions. Second operand 9 states. [2018-04-12 02:51:11,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:11,906 INFO L93 Difference]: Finished difference Result 62 states and 73 transitions. [2018-04-12 02:51:11,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-12 02:51:11,907 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2018-04-12 02:51:11,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:11,907 INFO L225 Difference]: With dead ends: 62 [2018-04-12 02:51:11,908 INFO L226 Difference]: Without dead ends: 62 [2018-04-12 02:51:11,908 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2018-04-12 02:51:11,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-04-12 02:51:11,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 53. [2018-04-12 02:51:11,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-04-12 02:51:11,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 63 transitions. [2018-04-12 02:51:11,911 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 63 transitions. Word has length 21 [2018-04-12 02:51:11,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:11,911 INFO L459 AbstractCegarLoop]: Abstraction has 53 states and 63 transitions. [2018-04-12 02:51:11,911 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-12 02:51:11,911 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 63 transitions. [2018-04-12 02:51:11,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-12 02:51:11,912 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:11,912 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] [2018-04-12 02:51:11,912 INFO L408 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:51:11,912 INFO L82 PathProgramCache]: Analyzing trace with hash -1903975895, now seen corresponding path program 1 times [2018-04-12 02:51:11,913 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:11,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:11,921 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:11,951 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 02:51:11,952 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:51:11,952 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 02:51:11,952 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:11,952 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 02:51:11,952 INFO L182 omatonBuilderFactory]: Interpolants [960#true, 961#false, 962#(= 1 (select |#valid| main_~nondetString2~0.base)), 963#(= 1 (select |#valid| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.base|)), 964#(= 1 (select |#valid| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)), 965#(= 1 (select |#valid| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.base|))] [2018-04-12 02:51:11,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:11,953 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 02:51:11,953 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 02:51:11,953 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-12 02:51:11,953 INFO L87 Difference]: Start difference. First operand 53 states and 63 transitions. Second operand 6 states. [2018-04-12 02:51:12,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:12,033 INFO L93 Difference]: Finished difference Result 52 states and 62 transitions. [2018-04-12 02:51:12,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 02:51:12,033 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2018-04-12 02:51:12,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:12,034 INFO L225 Difference]: With dead ends: 52 [2018-04-12 02:51:12,034 INFO L226 Difference]: Without dead ends: 52 [2018-04-12 02:51:12,034 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-04-12 02:51:12,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-04-12 02:51:12,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-04-12 02:51:12,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-04-12 02:51:12,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 62 transitions. [2018-04-12 02:51:12,037 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 62 transitions. Word has length 22 [2018-04-12 02:51:12,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:12,038 INFO L459 AbstractCegarLoop]: Abstraction has 52 states and 62 transitions. [2018-04-12 02:51:12,038 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 02:51:12,038 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions. [2018-04-12 02:51:12,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-12 02:51:12,038 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:12,038 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] [2018-04-12 02:51:12,039 INFO L408 AbstractCegarLoop]: === Iteration 10 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:51:12,039 INFO L82 PathProgramCache]: Analyzing trace with hash -1903975894, now seen corresponding path program 1 times [2018-04-12 02:51:12,039 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:12,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:12,048 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:12,135 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 02:51:12,135 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:51:12,135 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-12 02:51:12,135 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:12,136 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 02:51:12,136 INFO L182 omatonBuilderFactory]: Interpolants [1074#true, 1075#false, 1076#(<= 1 main_~length~0), 1077#(and (= main_~length~0 (select |#length| |main_#t~malloc11.base|)) (= 0 |main_#t~malloc11.offset|) (<= 1 main_~length~0)), 1078#(and (= 0 main_~nondetString2~0.offset) (= main_~length~0 (select |#length| main_~nondetString2~0.base)) (<= 1 main_~length~0)), 1079#(and (= 0 main_~nondetString2~0.offset) (<= 1 (select |#length| main_~nondetString2~0.base))), 1080#(and (= 0 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.offset|) (<= 1 (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.base|))), 1081#(and (= 0 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (<= 1 (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base))), 1082#(and (<= 1 (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.base|)) (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.offset| 0))] [2018-04-12 02:51:12,136 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 02:51:12,136 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-12 02:51:12,137 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-12 02:51:12,137 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-04-12 02:51:12,137 INFO L87 Difference]: Start difference. First operand 52 states and 62 transitions. Second operand 9 states. [2018-04-12 02:51:12,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:12,238 INFO L93 Difference]: Finished difference Result 59 states and 70 transitions. [2018-04-12 02:51:12,238 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-12 02:51:12,238 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2018-04-12 02:51:12,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:12,239 INFO L225 Difference]: With dead ends: 59 [2018-04-12 02:51:12,239 INFO L226 Difference]: Without dead ends: 59 [2018-04-12 02:51:12,239 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2018-04-12 02:51:12,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-04-12 02:51:12,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 55. [2018-04-12 02:51:12,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-04-12 02:51:12,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 65 transitions. [2018-04-12 02:51:12,242 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 65 transitions. Word has length 22 [2018-04-12 02:51:12,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:12,242 INFO L459 AbstractCegarLoop]: Abstraction has 55 states and 65 transitions. [2018-04-12 02:51:12,242 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-12 02:51:12,243 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 65 transitions. [2018-04-12 02:51:12,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-12 02:51:12,243 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:12,243 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] [2018-04-12 02:51:12,243 INFO L408 AbstractCegarLoop]: === Iteration 11 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:51:12,243 INFO L82 PathProgramCache]: Analyzing trace with hash 1592054348, now seen corresponding path program 1 times [2018-04-12 02:51:12,244 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:12,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:12,251 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:12,276 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 02:51:12,276 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:51:12,276 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 02:51:12,276 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:12,277 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 02:51:12,277 INFO L182 omatonBuilderFactory]: Interpolants [1203#true, 1204#false, 1205#(= 1 (select |#valid| main_~nondetString1~0.base)), 1206#(= 1 (select |#valid| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~dst.base|)), 1207#(= 1 (select |#valid| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base)), 1208#(= 1 (select |#valid| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.base|))] [2018-04-12 02:51:12,277 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 02:51:12,277 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 02:51:12,277 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 02:51:12,277 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-12 02:51:12,277 INFO L87 Difference]: Start difference. First operand 55 states and 65 transitions. Second operand 6 states. [2018-04-12 02:51:12,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:12,347 INFO L93 Difference]: Finished difference Result 54 states and 64 transitions. [2018-04-12 02:51:12,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 02:51:12,348 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2018-04-12 02:51:12,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:12,348 INFO L225 Difference]: With dead ends: 54 [2018-04-12 02:51:12,348 INFO L226 Difference]: Without dead ends: 54 [2018-04-12 02:51:12,348 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-04-12 02:51:12,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-04-12 02:51:12,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2018-04-12 02:51:12,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-04-12 02:51:12,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 64 transitions. [2018-04-12 02:51:12,352 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 64 transitions. Word has length 22 [2018-04-12 02:51:12,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:12,352 INFO L459 AbstractCegarLoop]: Abstraction has 54 states and 64 transitions. [2018-04-12 02:51:12,352 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 02:51:12,352 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 64 transitions. [2018-04-12 02:51:12,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-12 02:51:12,353 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:12,353 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] [2018-04-12 02:51:12,353 INFO L408 AbstractCegarLoop]: === Iteration 12 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:51:12,353 INFO L82 PathProgramCache]: Analyzing trace with hash 1592054349, now seen corresponding path program 1 times [2018-04-12 02:51:12,354 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:12,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:12,363 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:12,438 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 02:51:12,438 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:51:12,439 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-12 02:51:12,439 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:12,439 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 02:51:12,439 INFO L182 omatonBuilderFactory]: Interpolants [1328#(and (= 0 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset) (<= 1 (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base))), 1329#(and (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.offset| 0) (<= 1 (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.base|))), 1321#true, 1322#false, 1323#(<= 1 main_~n~1), 1324#(and (= 0 |main_#t~malloc10.offset|) (<= 1 main_~n~1)), 1325#(and (<= 1 main_~n~1) (= main_~nondetString1~0.offset 0)), 1326#(and (<= (+ main_~nondetString1~0.offset 1) (select |#length| main_~nondetString1~0.base)) (= main_~nondetString1~0.offset 0)), 1327#(and (= 0 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~dst.offset|) (<= 1 (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~dst.base|)))] [2018-04-12 02:51:12,439 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 02:51:12,439 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-12 02:51:12,439 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-12 02:51:12,439 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-04-12 02:51:12,439 INFO L87 Difference]: Start difference. First operand 54 states and 64 transitions. Second operand 9 states. [2018-04-12 02:51:12,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:12,513 INFO L93 Difference]: Finished difference Result 64 states and 76 transitions. [2018-04-12 02:51:12,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-12 02:51:12,513 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2018-04-12 02:51:12,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:12,513 INFO L225 Difference]: With dead ends: 64 [2018-04-12 02:51:12,513 INFO L226 Difference]: Without dead ends: 64 [2018-04-12 02:51:12,514 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2018-04-12 02:51:12,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-04-12 02:51:12,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 55. [2018-04-12 02:51:12,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-04-12 02:51:12,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 65 transitions. [2018-04-12 02:51:12,518 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 65 transitions. Word has length 22 [2018-04-12 02:51:12,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:12,518 INFO L459 AbstractCegarLoop]: Abstraction has 55 states and 65 transitions. [2018-04-12 02:51:12,518 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-12 02:51:12,518 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 65 transitions. [2018-04-12 02:51:12,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-04-12 02:51:12,518 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:12,518 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:51:12,518 INFO L408 AbstractCegarLoop]: === Iteration 13 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:51:12,519 INFO L82 PathProgramCache]: Analyzing trace with hash -2110691807, now seen corresponding path program 1 times [2018-04-12 02:51:12,519 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:12,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:12,528 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:12,563 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-12 02:51:12,563 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:51:12,563 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-12 02:51:12,563 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:12,563 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 02:51:12,563 INFO L182 omatonBuilderFactory]: Interpolants [1459#true, 1460#false, 1461#(<= main_~n~1 2147483647), 1462#(and (<= main_~n~1 2147483647) (<= 1 main_~n~1)), 1463#(and (<= 1 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~siz|) (<= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~siz| 2147483647)), 1464#(and (<= 1 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~siz) (<= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~siz 2147483647))] [2018-04-12 02:51:12,563 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-12 02:51:12,563 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 02:51:12,564 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 02:51:12,564 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-04-12 02:51:12,564 INFO L87 Difference]: Start difference. First operand 55 states and 65 transitions. Second operand 6 states. [2018-04-12 02:51:12,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:12,579 INFO L93 Difference]: Finished difference Result 55 states and 63 transitions. [2018-04-12 02:51:12,579 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 02:51:12,579 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2018-04-12 02:51:12,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:12,579 INFO L225 Difference]: With dead ends: 55 [2018-04-12 02:51:12,580 INFO L226 Difference]: Without dead ends: 55 [2018-04-12 02:51:12,580 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-04-12 02:51:12,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-04-12 02:51:12,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-04-12 02:51:12,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-04-12 02:51:12,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 63 transitions. [2018-04-12 02:51:12,581 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 63 transitions. Word has length 26 [2018-04-12 02:51:12,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:12,582 INFO L459 AbstractCegarLoop]: Abstraction has 55 states and 63 transitions. [2018-04-12 02:51:12,582 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 02:51:12,582 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 63 transitions. [2018-04-12 02:51:12,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-04-12 02:51:12,582 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:12,582 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:51:12,582 INFO L408 AbstractCegarLoop]: === Iteration 14 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:51:12,582 INFO L82 PathProgramCache]: Analyzing trace with hash -531063271, now seen corresponding path program 1 times [2018-04-12 02:51:12,583 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:12,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:12,592 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:12,692 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 02:51:12,692 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:51:12,692 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-04-12 02:51:12,693 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:12,693 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 02:51:12,693 INFO L182 omatonBuilderFactory]: Interpolants [1584#(and (= 0 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset) (<= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base)) (<= 1 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0)), 1585#(and (<= 0 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~pre2|) (= 0 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset) (<= (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~pre2| 1) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base))), 1586#(and (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.base| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base) (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.offset| 0) (<= (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.offset| 1) __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset 1) (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.offset| (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.base|)))), 1587#(and (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base)) (<= 1 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset)), 1577#true, 1578#false, 1579#(<= 1 main_~n~1), 1580#(and (= main_~n~1 (select |#length| |main_#t~malloc10.base|)) (= 0 |main_#t~malloc10.offset|) (<= 1 main_~n~1) (= (select |#valid| |main_#t~malloc10.base|) 1)), 1581#(and (= 0 main_~nondetString1~0.offset) (= (select |#valid| main_~nondetString1~0.base) 1) (= main_~n~1 (select |#length| main_~nondetString1~0.base)) (<= 1 main_~n~1)), 1582#(and (= 0 main_~nondetString1~0.offset) (= main_~n~1 (select |#length| main_~nondetString1~0.base)) (<= 1 main_~n~1)), 1583#(and (<= 1 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~siz|) (<= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~siz| (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~dst.base|)) (= 0 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~dst.offset|))] [2018-04-12 02:51:12,693 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 02:51:12,693 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-12 02:51:12,694 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-12 02:51:12,694 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2018-04-12 02:51:12,694 INFO L87 Difference]: Start difference. First operand 55 states and 63 transitions. Second operand 11 states. [2018-04-12 02:51:12,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:12,909 INFO L93 Difference]: Finished difference Result 84 states and 98 transitions. [2018-04-12 02:51:12,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-12 02:51:12,909 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 26 [2018-04-12 02:51:12,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:12,910 INFO L225 Difference]: With dead ends: 84 [2018-04-12 02:51:12,910 INFO L226 Difference]: Without dead ends: 84 [2018-04-12 02:51:12,910 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2018-04-12 02:51:12,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2018-04-12 02:51:12,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 62. [2018-04-12 02:51:12,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-04-12 02:51:12,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 73 transitions. [2018-04-12 02:51:12,913 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 73 transitions. Word has length 26 [2018-04-12 02:51:12,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:12,913 INFO L459 AbstractCegarLoop]: Abstraction has 62 states and 73 transitions. [2018-04-12 02:51:12,913 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-12 02:51:12,914 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 73 transitions. [2018-04-12 02:51:12,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-12 02:51:12,914 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:12,914 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:51:12,914 INFO L408 AbstractCegarLoop]: === Iteration 15 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:51:12,915 INFO L82 PathProgramCache]: Analyzing trace with hash 867982438, now seen corresponding path program 1 times [2018-04-12 02:51:12,915 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:12,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:12,926 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:12,964 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-12 02:51:12,964 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:51:12,964 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-12 02:51:12,964 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:12,965 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 02:51:12,965 INFO L182 omatonBuilderFactory]: Interpolants [1744#true, 1745#false, 1746#(<= main_~n~1 2147483647), 1747#(and (<= main_~n~1 2147483647) (<= 1 main_~n~1)), 1748#(and (<= 1 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~siz|) (<= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~siz| 2147483647)), 1749#(and (<= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 2147483647) (<= 1 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0))] [2018-04-12 02:51:12,965 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-12 02:51:12,965 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 02:51:12,965 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 02:51:12,965 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-04-12 02:51:12,965 INFO L87 Difference]: Start difference. First operand 62 states and 73 transitions. Second operand 6 states. [2018-04-12 02:51:12,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:12,997 INFO L93 Difference]: Finished difference Result 62 states and 72 transitions. [2018-04-12 02:51:12,997 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 02:51:12,997 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2018-04-12 02:51:12,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:12,998 INFO L225 Difference]: With dead ends: 62 [2018-04-12 02:51:12,998 INFO L226 Difference]: Without dead ends: 62 [2018-04-12 02:51:12,998 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-04-12 02:51:12,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-04-12 02:51:13,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2018-04-12 02:51:13,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-04-12 02:51:13,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 72 transitions. [2018-04-12 02:51:13,000 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 72 transitions. Word has length 27 [2018-04-12 02:51:13,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:13,000 INFO L459 AbstractCegarLoop]: Abstraction has 62 states and 72 transitions. [2018-04-12 02:51:13,000 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 02:51:13,001 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 72 transitions. [2018-04-12 02:51:13,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-12 02:51:13,001 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:13,001 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:51:13,001 INFO L408 AbstractCegarLoop]: === Iteration 16 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:51:13,001 INFO L82 PathProgramCache]: Analyzing trace with hash 717922773, now seen corresponding path program 1 times [2018-04-12 02:51:13,002 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:13,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:13,015 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:13,090 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:13,091 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:51:13,091 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-04-12 02:51:13,091 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:13,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:13,091 INFO L182 omatonBuilderFactory]: Interpolants [1876#true, 1877#false, 1878#(and (<= main_~length~0 1) (<= 1 main_~length~0)), 1879#(and (<= main_~length~0 1) (= 0 |main_#t~malloc11.offset|) (<= 1 main_~length~0)), 1880#(and (= main_~nondetString2~0.offset 0) (= (+ main_~nondetString2~0.offset main_~length~0) 1)), 1881#(and (= main_~nondetString2~0.offset 0) (= 0 (select (select |#memory_int| main_~nondetString2~0.base) main_~nondetString2~0.offset))), 1882#(= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.base|) |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.offset|)), 1883#(= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset)), 1884#(= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.base|) |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.offset|)), 1885#(= 0 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~mem5|)] [2018-04-12 02:51:13,092 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:13,092 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-12 02:51:13,092 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-12 02:51:13,092 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-04-12 02:51:13,092 INFO L87 Difference]: Start difference. First operand 62 states and 72 transitions. Second operand 10 states. [2018-04-12 02:51:13,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:13,258 INFO L93 Difference]: Finished difference Result 105 states and 119 transitions. [2018-04-12 02:51:13,258 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-12 02:51:13,258 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 27 [2018-04-12 02:51:13,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:13,259 INFO L225 Difference]: With dead ends: 105 [2018-04-12 02:51:13,259 INFO L226 Difference]: Without dead ends: 105 [2018-04-12 02:51:13,260 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2018-04-12 02:51:13,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-04-12 02:51:13,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 94. [2018-04-12 02:51:13,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-04-12 02:51:13,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 110 transitions. [2018-04-12 02:51:13,263 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 110 transitions. Word has length 27 [2018-04-12 02:51:13,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:13,263 INFO L459 AbstractCegarLoop]: Abstraction has 94 states and 110 transitions. [2018-04-12 02:51:13,263 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-12 02:51:13,263 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 110 transitions. [2018-04-12 02:51:13,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-12 02:51:13,264 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:13,264 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:51:13,264 INFO L408 AbstractCegarLoop]: === Iteration 17 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:51:13,264 INFO L82 PathProgramCache]: Analyzing trace with hash 1140624599, now seen corresponding path program 1 times [2018-04-12 02:51:13,265 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:13,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:13,281 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:13,421 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:13,422 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 02:51:13,422 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-04-12 02:51:13,422 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:13,422 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 02:51:13,422 INFO L182 omatonBuilderFactory]: Interpolants [2097#true, 2098#false, 2099#(<= 1 main_~length~0), 2100#(and (= main_~length~0 (select |#length| |main_#t~malloc11.base|)) (= 0 |main_#t~malloc11.offset|) (<= 1 main_~length~0)), 2101#(and (= 0 main_~nondetString2~0.offset) (= main_~length~0 (select |#length| main_~nondetString2~0.base)) (<= 1 main_~length~0)), 2102#(and (= 0 main_~nondetString2~0.offset) (or (= 0 (select (select |#memory_int| main_~nondetString2~0.base) main_~nondetString2~0.offset)) (<= 2 (+ main_~nondetString2~0.offset (select |#length| main_~nondetString2~0.base))))), 2103#(and (= 0 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.offset|) (or (<= 2 (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.base|)) (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.base|) |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.offset|)))), 2104#(and (= 0 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (or (<= 2 (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset)))), 2105#(and (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.offset| 0) (<= (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.offset| 1) __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (or (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.base|) |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.offset|)) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 1) (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.offset| (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base))))), 2106#(and (<= 1 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (or (= 0 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~mem5|) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)))), 2107#(and (<= 1 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base))), 2108#(and (<= 1 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.offset|) (<= (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.offset| 1) (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.base|)))] [2018-04-12 02:51:13,423 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:13,423 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-12 02:51:13,423 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-12 02:51:13,423 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2018-04-12 02:51:13,423 INFO L87 Difference]: Start difference. First operand 94 states and 110 transitions. Second operand 12 states. [2018-04-12 02:51:13,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:13,674 INFO L93 Difference]: Finished difference Result 134 states and 154 transitions. [2018-04-12 02:51:13,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-12 02:51:13,674 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 27 [2018-04-12 02:51:13,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:13,674 INFO L225 Difference]: With dead ends: 134 [2018-04-12 02:51:13,674 INFO L226 Difference]: Without dead ends: 134 [2018-04-12 02:51:13,675 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=281, Unknown=0, NotChecked=0, Total=342 [2018-04-12 02:51:13,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-04-12 02:51:13,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 95. [2018-04-12 02:51:13,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-04-12 02:51:13,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 111 transitions. [2018-04-12 02:51:13,677 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 111 transitions. Word has length 27 [2018-04-12 02:51:13,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:13,677 INFO L459 AbstractCegarLoop]: Abstraction has 95 states and 111 transitions. [2018-04-12 02:51:13,677 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-12 02:51:13,677 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 111 transitions. [2018-04-12 02:51:13,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-12 02:51:13,678 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:13,678 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:51:13,678 INFO L408 AbstractCegarLoop]: === Iteration 18 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:51:13,679 INFO L82 PathProgramCache]: Analyzing trace with hash 999624161, now seen corresponding path program 1 times [2018-04-12 02:51:13,679 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:13,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:13,689 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:13,830 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:13,831 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 02:51:13,831 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-04-12 02:51:13,831 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:13,831 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 02:51:13,831 INFO L182 omatonBuilderFactory]: Interpolants [2352#true, 2353#false, 2354#(<= 1 main_~n~1), 2355#(and (= main_~n~1 (select |#length| |main_#t~malloc10.base|)) (= 0 |main_#t~malloc10.offset|) (<= 1 main_~n~1) (= (select |#valid| |main_#t~malloc10.base|) 1)), 2356#(and (= 0 main_~nondetString1~0.offset) (= (select |#valid| main_~nondetString1~0.base) 1) (= main_~n~1 (select |#length| main_~nondetString1~0.base)) (<= 1 main_~n~1)), 2357#(and (= 0 main_~nondetString1~0.offset) (= main_~n~1 (select |#length| main_~nondetString1~0.base)) (<= 1 main_~n~1)), 2358#(and (<= 1 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~siz|) (<= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~siz| (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~dst.base|)) (= 0 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~dst.offset|)), 2359#(and (= 0 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset) (<= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base)) (<= 1 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0)), 2360#(and (<= 0 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~pre2|) (= 0 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset) (<= (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~pre2| 1) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base))), 2361#(and (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.base| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base) (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.offset| 0) (<= (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.offset| 1) __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset 1) (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.offset| (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.base|)))), 2362#(and (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base)) (<= 1 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset)), 2363#(and (<= 1 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.offset|) (<= (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.offset| 1) (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.base|)))] [2018-04-12 02:51:13,831 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:13,831 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-12 02:51:13,831 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-12 02:51:13,832 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2018-04-12 02:51:13,832 INFO L87 Difference]: Start difference. First operand 95 states and 111 transitions. Second operand 12 states. [2018-04-12 02:51:13,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:13,999 INFO L93 Difference]: Finished difference Result 112 states and 132 transitions. [2018-04-12 02:51:13,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-12 02:51:13,999 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 28 [2018-04-12 02:51:14,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:14,000 INFO L225 Difference]: With dead ends: 112 [2018-04-12 02:51:14,000 INFO L226 Difference]: Without dead ends: 112 [2018-04-12 02:51:14,000 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=252, Unknown=0, NotChecked=0, Total=306 [2018-04-12 02:51:14,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2018-04-12 02:51:14,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 96. [2018-04-12 02:51:14,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-04-12 02:51:14,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 112 transitions. [2018-04-12 02:51:14,003 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 112 transitions. Word has length 28 [2018-04-12 02:51:14,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:14,003 INFO L459 AbstractCegarLoop]: Abstraction has 96 states and 112 transitions. [2018-04-12 02:51:14,003 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-12 02:51:14,003 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 112 transitions. [2018-04-12 02:51:14,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-04-12 02:51:14,003 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:14,003 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:51:14,003 INFO L408 AbstractCegarLoop]: === Iteration 19 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:51:14,004 INFO L82 PathProgramCache]: Analyzing trace with hash 1753600252, now seen corresponding path program 1 times [2018-04-12 02:51:14,004 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:14,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:14,013 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:14,125 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 02:51:14,125 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:51:14,125 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-04-12 02:51:14,126 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:14,126 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 02:51:14,126 INFO L182 omatonBuilderFactory]: Interpolants [2592#(and (= 0 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset) (<= (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base) (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 1)) (<= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 2147483646)), 2593#(and (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.base| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base) (<= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 2147483646) (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.offset| 0) (<= (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.offset| (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.base|)) (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0))), 2594#(and (<= (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base) (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0)) (<= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 2147483646)), 2595#(<= (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base) __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset), 2584#true, 2585#false, 2586#(<= main_~n~1 2147483647), 2587#(and (= main_~n~1 (select |#length| |main_#t~malloc10.base|)) (= 0 |main_#t~malloc10.offset|) (<= main_~n~1 2147483647) (= (select |#valid| |main_#t~malloc10.base|) 1)), 2588#(and (= 0 main_~nondetString1~0.offset) (= (select |#valid| main_~nondetString1~0.base) 1) (= main_~n~1 (select |#length| main_~nondetString1~0.base)) (<= main_~n~1 2147483647)), 2589#(and (= 0 main_~nondetString1~0.offset) (= main_~n~1 (select |#length| main_~nondetString1~0.base)) (<= main_~n~1 2147483647)), 2590#(and (<= (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~dst.base|) |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~siz|) (<= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~siz| 2147483647) (= 0 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~dst.offset|)), 2591#(and (= 0 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset) (<= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 2147483647) (<= (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base) __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0))] [2018-04-12 02:51:14,126 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 02:51:14,126 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-12 02:51:14,127 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-12 02:51:14,127 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2018-04-12 02:51:14,127 INFO L87 Difference]: Start difference. First operand 96 states and 112 transitions. Second operand 12 states. [2018-04-12 02:51:14,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:14,289 INFO L93 Difference]: Finished difference Result 113 states and 129 transitions. [2018-04-12 02:51:14,290 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-12 02:51:14,290 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 29 [2018-04-12 02:51:14,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:14,290 INFO L225 Difference]: With dead ends: 113 [2018-04-12 02:51:14,290 INFO L226 Difference]: Without dead ends: 109 [2018-04-12 02:51:14,290 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2018-04-12 02:51:14,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-04-12 02:51:14,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 95. [2018-04-12 02:51:14,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-04-12 02:51:14,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 110 transitions. [2018-04-12 02:51:14,294 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 110 transitions. Word has length 29 [2018-04-12 02:51:14,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:14,294 INFO L459 AbstractCegarLoop]: Abstraction has 95 states and 110 transitions. [2018-04-12 02:51:14,294 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-12 02:51:14,294 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 110 transitions. [2018-04-12 02:51:14,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-12 02:51:14,295 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:14,295 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:51:14,295 INFO L408 AbstractCegarLoop]: === Iteration 20 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:51:14,295 INFO L82 PathProgramCache]: Analyzing trace with hash 1163118827, now seen corresponding path program 1 times [2018-04-12 02:51:14,296 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:14,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:14,305 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:14,417 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 02:51:14,417 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:51:14,417 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-04-12 02:51:14,417 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:14,417 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 02:51:14,417 INFO L182 omatonBuilderFactory]: Interpolants [2816#true, 2817#false, 2818#(and (<= main_~length~0 1) (<= 1 main_~length~0)), 2819#(and (<= main_~length~0 1) (<= 1 main_~length~0) (= (select |#valid| |main_#t~malloc10.base|) 1)), 2820#(and (<= main_~length~0 1) (= (select |#valid| main_~nondetString1~0.base) 1) (<= 1 main_~length~0)), 2821#(and (<= main_~length~0 1) (not (= main_~nondetString1~0.base |main_#t~malloc11.base|)) (= 0 |main_#t~malloc11.offset|) (<= 1 main_~length~0)), 2822#(and (= main_~nondetString2~0.offset 0) (not (= main_~nondetString1~0.base main_~nondetString2~0.base)) (= (+ main_~nondetString2~0.offset main_~length~0) 1)), 2823#(and (= main_~nondetString2~0.offset 0) (= 0 (select (select |#memory_int| main_~nondetString2~0.base) main_~nondetString2~0.offset)) (not (= main_~nondetString1~0.base main_~nondetString2~0.base))), 2824#(and (not (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~dst.base| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.base|)) (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.base|) |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.offset|))), 2825#(and (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset)) (not (= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base))), 2826#(= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset)), 2827#(= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.base|) |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.offset|)), 2828#(= 0 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~mem7|)] [2018-04-12 02:51:14,418 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 02:51:14,418 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-12 02:51:14,418 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-12 02:51:14,418 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2018-04-12 02:51:14,418 INFO L87 Difference]: Start difference. First operand 95 states and 110 transitions. Second operand 13 states. [2018-04-12 02:51:14,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:14,592 INFO L93 Difference]: Finished difference Result 112 states and 123 transitions. [2018-04-12 02:51:14,592 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-12 02:51:14,593 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 30 [2018-04-12 02:51:14,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:14,593 INFO L225 Difference]: With dead ends: 112 [2018-04-12 02:51:14,593 INFO L226 Difference]: Without dead ends: 112 [2018-04-12 02:51:14,594 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=97, Invalid=409, Unknown=0, NotChecked=0, Total=506 [2018-04-12 02:51:14,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2018-04-12 02:51:14,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 92. [2018-04-12 02:51:14,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-04-12 02:51:14,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 105 transitions. [2018-04-12 02:51:14,596 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 105 transitions. Word has length 30 [2018-04-12 02:51:14,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:14,596 INFO L459 AbstractCegarLoop]: Abstraction has 92 states and 105 transitions. [2018-04-12 02:51:14,596 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-12 02:51:14,596 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 105 transitions. [2018-04-12 02:51:14,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-12 02:51:14,596 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:14,596 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:51:14,596 INFO L408 AbstractCegarLoop]: === Iteration 21 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:51:14,596 INFO L82 PathProgramCache]: Analyzing trace with hash -321005100, now seen corresponding path program 1 times [2018-04-12 02:51:14,597 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:14,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:14,602 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:14,652 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 02:51:14,652 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:51:14,652 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 02:51:14,652 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:14,653 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 02:51:14,653 INFO L182 omatonBuilderFactory]: Interpolants [3056#(and (= |old(#valid)| (store |#valid| |main_#t~malloc10.base| 0)) (= (select |#valid| |main_#t~malloc10.base|) 1)), 3057#(and (= (store (store |#valid| |main_#t~malloc11.base| 0) |main_#t~malloc10.base| 0) |old(#valid)|) (not (= |main_#t~malloc10.base| |main_#t~malloc11.base|))), 3058#(= |old(#valid)| (store |#valid| |main_#t~malloc11.base| 0)), 3053#true, 3054#false, 3055#(= |#valid| |old(#valid)|)] [2018-04-12 02:51:14,653 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 02:51:14,653 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 02:51:14,653 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 02:51:14,653 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-12 02:51:14,653 INFO L87 Difference]: Start difference. First operand 92 states and 105 transitions. Second operand 6 states. [2018-04-12 02:51:14,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:14,741 INFO L93 Difference]: Finished difference Result 91 states and 104 transitions. [2018-04-12 02:51:14,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-12 02:51:14,741 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2018-04-12 02:51:14,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:14,742 INFO L225 Difference]: With dead ends: 91 [2018-04-12 02:51:14,742 INFO L226 Difference]: Without dead ends: 54 [2018-04-12 02:51:14,742 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-04-12 02:51:14,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-04-12 02:51:14,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2018-04-12 02:51:14,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-04-12 02:51:14,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 59 transitions. [2018-04-12 02:51:14,743 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 59 transitions. Word has length 30 [2018-04-12 02:51:14,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:14,743 INFO L459 AbstractCegarLoop]: Abstraction has 54 states and 59 transitions. [2018-04-12 02:51:14,743 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 02:51:14,744 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 59 transitions. [2018-04-12 02:51:14,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-12 02:51:14,744 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:14,744 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:51:14,744 INFO L408 AbstractCegarLoop]: === Iteration 22 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:51:14,744 INFO L82 PathProgramCache]: Analyzing trace with hash 1029105321, now seen corresponding path program 1 times [2018-04-12 02:51:14,745 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:14,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:14,752 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:14,922 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 02:51:14,922 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 02:51:14,922 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-04-12 02:51:14,922 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:14,923 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 02:51:14,923 INFO L182 omatonBuilderFactory]: Interpolants [3208#true, 3209#false, 3210#(<= 1 main_~length~0), 3211#(and (<= 1 main_~length~0) (= (select |#valid| |main_#t~malloc10.base|) 1)), 3212#(and (= (select |#valid| main_~nondetString1~0.base) 1) (<= 1 main_~length~0)), 3213#(and (= main_~length~0 (select |#length| |main_#t~malloc11.base|)) (not (= main_~nondetString1~0.base |main_#t~malloc11.base|)) (= 0 |main_#t~malloc11.offset|) (<= 1 main_~length~0)), 3214#(and (= 0 main_~nondetString2~0.offset) (= main_~length~0 (select |#length| main_~nondetString2~0.base)) (or (not (= main_~nondetString1~0.base main_~nondetString2~0.base)) (not (= (+ main_~nondetString2~0.offset main_~length~0) 1))) (<= 1 main_~length~0)), 3215#(and (= 0 main_~nondetString2~0.offset) (or (<= 2 (+ main_~nondetString2~0.offset (select |#length| main_~nondetString2~0.base))) (and (= 0 (select (select |#memory_int| main_~nondetString2~0.base) main_~nondetString2~0.offset)) (not (= main_~nondetString1~0.base main_~nondetString2~0.base))))), 3216#(and (= 0 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.offset|) (or (and (not (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~dst.base| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.base|)) (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.base|) |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.offset|))) (<= 2 (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.base|)))), 3217#(and (= 0 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (or (<= 2 (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)) (and (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset)) (not (= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base))))), 3218#(and (= 0 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (or (<= 2 (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset)))), 3219#(and (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.offset| 0) (or (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 1) (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.offset| (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base))) (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.base|) |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.offset|))) (<= (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.offset| 1) __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset)), 3220#(and (or (= 0 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~mem7|) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base))) (<= 1 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset)), 3221#(and (<= 1 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base))), 3222#(and (<= 1 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.offset|) (<= (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.offset| 1) (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.base|)))] [2018-04-12 02:51:14,923 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 02:51:14,923 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-12 02:51:14,923 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-12 02:51:14,923 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2018-04-12 02:51:14,923 INFO L87 Difference]: Start difference. First operand 54 states and 59 transitions. Second operand 15 states. [2018-04-12 02:51:15,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:15,137 INFO L93 Difference]: Finished difference Result 64 states and 69 transitions. [2018-04-12 02:51:15,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-12 02:51:15,138 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 30 [2018-04-12 02:51:15,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:15,138 INFO L225 Difference]: With dead ends: 64 [2018-04-12 02:51:15,138 INFO L226 Difference]: Without dead ends: 64 [2018-04-12 02:51:15,138 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=89, Invalid=463, Unknown=0, NotChecked=0, Total=552 [2018-04-12 02:51:15,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-04-12 02:51:15,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 58. [2018-04-12 02:51:15,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-04-12 02:51:15,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 63 transitions. [2018-04-12 02:51:15,139 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 63 transitions. Word has length 30 [2018-04-12 02:51:15,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:15,139 INFO L459 AbstractCegarLoop]: Abstraction has 58 states and 63 transitions. [2018-04-12 02:51:15,139 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-12 02:51:15,140 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 63 transitions. [2018-04-12 02:51:15,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-04-12 02:51:15,140 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:15,140 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:51:15,140 INFO L408 AbstractCegarLoop]: === Iteration 23 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:51:15,140 INFO L82 PathProgramCache]: Analyzing trace with hash 748220333, now seen corresponding path program 1 times [2018-04-12 02:51:15,140 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:15,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:15,147 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:15,270 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:15,270 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 02:51:15,270 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-04-12 02:51:15,270 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:15,270 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 02:51:15,270 INFO L182 omatonBuilderFactory]: Interpolants [3363#true, 3364#false, 3365#(and (= main_~n~1 (select |#length| |main_#t~malloc10.base|)) (= 0 |main_#t~malloc10.offset|) (= (select |#valid| |main_#t~malloc10.base|) 1)), 3366#(and (= 0 main_~nondetString1~0.offset) (= (select |#valid| main_~nondetString1~0.base) 1) (= main_~n~1 (select |#length| main_~nondetString1~0.base))), 3367#(and (= 0 main_~nondetString1~0.offset) (= main_~n~1 (select |#length| main_~nondetString1~0.base))), 3368#(and (<= (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~dst.base|) |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~siz|) (<= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~siz| (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~dst.base|)) (= 0 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~dst.offset|)), 3369#(and (= 0 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset) (<= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base)) (<= (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base) __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0)), 3370#(and (= 0 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset) (<= (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base) (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 1)) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 1) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base))), 3371#(and (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.base| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base) (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.offset| 0) (<= (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.offset| (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.base|)) (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0)) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0) (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.offset| (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.base|)))), 3372#(and (<= (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base) (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0)) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base))), 3373#(and (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~pre2| 1) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base)) (<= (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base) (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~pre2| 1))), 3374#(and (or (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base)) (<= (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.base|) |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.offset|)) (<= (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.offset| 1) __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset)), 3375#(and (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base)) (<= 1 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset))] [2018-04-12 02:51:15,271 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:15,271 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-12 02:51:15,271 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-12 02:51:15,271 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2018-04-12 02:51:15,271 INFO L87 Difference]: Start difference. First operand 58 states and 63 transitions. Second operand 13 states. [2018-04-12 02:51:15,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:15,561 INFO L93 Difference]: Finished difference Result 75 states and 82 transitions. [2018-04-12 02:51:15,561 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-12 02:51:15,561 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 32 [2018-04-12 02:51:15,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:15,561 INFO L225 Difference]: With dead ends: 75 [2018-04-12 02:51:15,561 INFO L226 Difference]: Without dead ends: 75 [2018-04-12 02:51:15,562 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=421, Unknown=0, NotChecked=0, Total=506 [2018-04-12 02:51:15,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-04-12 02:51:15,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 62. [2018-04-12 02:51:15,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-04-12 02:51:15,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 69 transitions. [2018-04-12 02:51:15,563 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 69 transitions. Word has length 32 [2018-04-12 02:51:15,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:15,563 INFO L459 AbstractCegarLoop]: Abstraction has 62 states and 69 transitions. [2018-04-12 02:51:15,563 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-12 02:51:15,563 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 69 transitions. [2018-04-12 02:51:15,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-04-12 02:51:15,563 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:15,563 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:51:15,563 INFO L408 AbstractCegarLoop]: === Iteration 24 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:51:15,564 INFO L82 PathProgramCache]: Analyzing trace with hash -464827512, now seen corresponding path program 1 times [2018-04-12 02:51:15,564 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:15,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:15,571 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:15,683 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 02:51:15,683 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 02:51:15,683 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-04-12 02:51:15,684 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:15,684 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 02:51:15,684 INFO L182 omatonBuilderFactory]: Interpolants [3536#(and (= main_~length~0 (select |#length| |main_#t~malloc11.base|)) (= 0 |main_#t~malloc11.offset|) (<= 1 main_~length~0)), 3537#(and (= 0 main_~nondetString2~0.offset) (= main_~length~0 (select |#length| main_~nondetString2~0.base)) (<= 1 main_~length~0)), 3538#(and (= 0 main_~nondetString2~0.offset) (or (= 0 (select (select |#memory_int| main_~nondetString2~0.base) main_~nondetString2~0.offset)) (<= 2 (+ main_~nondetString2~0.offset (select |#length| main_~nondetString2~0.base))))), 3539#(and (= 0 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.offset|) (or (<= 2 (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.base|)) (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.base|) |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.offset|)))), 3540#(and (= 0 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (or (<= 2 (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset)))), 3541#(and (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.offset| 0) (<= (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.offset| 1) __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (or (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.base|) |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.offset|)) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 1) (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.offset| (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base))))), 3542#(and (<= 1 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (or (= 0 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~mem5|) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)))), 3543#(and (<= 1 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base))), 3544#(and (<= 1 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.offset|) (<= (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.offset| 1) (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.base|))), 3533#true, 3534#false, 3535#(<= 1 main_~length~0)] [2018-04-12 02:51:15,684 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 02:51:15,684 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-12 02:51:15,684 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-12 02:51:15,684 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2018-04-12 02:51:15,684 INFO L87 Difference]: Start difference. First operand 62 states and 69 transitions. Second operand 12 states. [2018-04-12 02:51:15,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:15,839 INFO L93 Difference]: Finished difference Result 74 states and 81 transitions. [2018-04-12 02:51:15,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-12 02:51:15,839 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 32 [2018-04-12 02:51:15,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:15,839 INFO L225 Difference]: With dead ends: 74 [2018-04-12 02:51:15,839 INFO L226 Difference]: Without dead ends: 74 [2018-04-12 02:51:15,840 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2018-04-12 02:51:15,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-04-12 02:51:15,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 65. [2018-04-12 02:51:15,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-04-12 02:51:15,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 72 transitions. [2018-04-12 02:51:15,841 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 72 transitions. Word has length 32 [2018-04-12 02:51:15,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:15,842 INFO L459 AbstractCegarLoop]: Abstraction has 65 states and 72 transitions. [2018-04-12 02:51:15,842 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-12 02:51:15,842 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 72 transitions. [2018-04-12 02:51:15,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-04-12 02:51:15,842 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:15,842 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:51:15,842 INFO L408 AbstractCegarLoop]: === Iteration 25 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:51:15,843 INFO L82 PathProgramCache]: Analyzing trace with hash 1721008833, now seen corresponding path program 2 times [2018-04-12 02:51:15,843 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:15,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:15,860 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:16,163 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:16,163 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 02:51:16,163 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-04-12 02:51:16,163 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:16,163 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 02:51:16,163 INFO L182 omatonBuilderFactory]: Interpolants [3696#true, 3697#false, 3698#(= (select |#valid| |main_#t~malloc10.base|) 1), 3699#(= (select |#valid| main_~nondetString1~0.base) 1), 3700#(and (= main_~length~0 (select |#length| |main_#t~malloc11.base|)) (not (= main_~nondetString1~0.base |main_#t~malloc11.base|)) (= 0 |main_#t~malloc11.offset|)), 3701#(and (= 0 main_~nondetString2~0.offset) (or (not (= (+ main_~nondetString2~0.offset main_~length~0) 2)) (not (= main_~nondetString1~0.base main_~nondetString2~0.base))) (= main_~length~0 (select |#length| main_~nondetString2~0.base))), 3702#(and (= 0 main_~nondetString2~0.offset) (or (and (= 0 (select (select |#memory_int| main_~nondetString2~0.base) 1)) (not (= main_~nondetString1~0.base main_~nondetString2~0.base))) (<= (+ main_~nondetString2~0.offset (select |#length| main_~nondetString2~0.base)) 1) (<= 3 (+ main_~nondetString2~0.offset (select |#length| main_~nondetString2~0.base))))), 3703#(and (= 0 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.offset|) (or (<= (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.base|) 1) (<= 3 (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.base|)) (and (not (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~dst.base| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.base|)) (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.base|) 1))))), 3704#(and (= 0 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (or (and (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) 1)) (not (= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base))) (<= (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) 1) (<= 3 (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)))), 3705#(and (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.offset| 0) (or (and (<= (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.offset| 1) __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (or (<= (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.offset| (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)) __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 2) (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.offset| (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base))))) (and (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.base|) 1)) (not (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.base| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.base|)) (<= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.offset| 1)) (<= (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.offset| 1) __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.base| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)))), 3706#(or (and (<= 1 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (or (<= (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 2) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)))) (and (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) 1)) (not (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.base| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)) (<= 1 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (<= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 1))), 3707#(or (and (<= 1 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (or (<= (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 2) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)))) (and (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) 1)) (<= 1 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (<= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 1))), 3708#(or (and (= 1 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.offset|) (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.base|) |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.offset|))) (and (or (<= (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.base|) |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.offset|) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base))) (<= 2 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset))), 3709#(or (= 0 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~mem5|) (and (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)) (<= 2 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset))), 3710#(and (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)) (<= 2 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset)), 3711#(and (<= 2 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.offset|) (<= (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.offset| 1) (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.base|)))] [2018-04-12 02:51:16,164 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:16,164 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-12 02:51:16,164 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-12 02:51:16,164 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2018-04-12 02:51:16,164 INFO L87 Difference]: Start difference. First operand 65 states and 72 transitions. Second operand 16 states. [2018-04-12 02:51:16,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:16,497 INFO L93 Difference]: Finished difference Result 82 states and 90 transitions. [2018-04-12 02:51:16,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-12 02:51:16,497 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 33 [2018-04-12 02:51:16,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:16,498 INFO L225 Difference]: With dead ends: 82 [2018-04-12 02:51:16,498 INFO L226 Difference]: Without dead ends: 82 [2018-04-12 02:51:16,498 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=82, Invalid=470, Unknown=0, NotChecked=0, Total=552 [2018-04-12 02:51:16,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-04-12 02:51:16,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 66. [2018-04-12 02:51:16,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2018-04-12 02:51:16,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 73 transitions. [2018-04-12 02:51:16,500 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 73 transitions. Word has length 33 [2018-04-12 02:51:16,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:16,500 INFO L459 AbstractCegarLoop]: Abstraction has 66 states and 73 transitions. [2018-04-12 02:51:16,500 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-12 02:51:16,500 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 73 transitions. [2018-04-12 02:51:16,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-04-12 02:51:16,500 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:16,500 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:51:16,500 INFO L408 AbstractCegarLoop]: === Iteration 26 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:51:16,500 INFO L82 PathProgramCache]: Analyzing trace with hash 1811666231, now seen corresponding path program 2 times [2018-04-12 02:51:16,501 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:16,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:16,510 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:16,684 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:16,684 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 02:51:16,684 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-04-12 02:51:16,684 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:16,685 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 02:51:16,685 INFO L182 omatonBuilderFactory]: Interpolants [3876#true, 3877#false, 3878#(and (= main_~n~1 (select |#length| |main_#t~malloc10.base|)) (= 0 |main_#t~malloc10.offset|) (= (select |#valid| |main_#t~malloc10.base|) 1)), 3879#(and (= 0 main_~nondetString1~0.offset) (= (select |#valid| main_~nondetString1~0.base) 1) (= main_~n~1 (select |#length| main_~nondetString1~0.base))), 3880#(and (= 0 main_~nondetString1~0.offset) (= main_~n~1 (select |#length| main_~nondetString1~0.base))), 3881#(and (<= (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~dst.base|) |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~siz|) (<= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~siz| (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~dst.base|)) (= 0 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~dst.offset|)), 3882#(and (= 0 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset) (<= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base)) (<= (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base) __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0)), 3883#(and (= 0 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset) (<= (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base) (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 1)) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 1) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base))), 3884#(and (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.base| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base) (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.offset| 0) (<= (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.offset| (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.base|)) (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0)) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0) (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.offset| (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.base|))) (<= (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.offset| 1) __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset)), 3885#(and (<= (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base) (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0)) (<= 1 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base))), 3886#(and (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~pre2| 1) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base)) (<= 1 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset) (<= (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base) (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~pre2| 1))), 3887#(and (or (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base)) (<= (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.base|) |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.offset|)) (<= 2 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset)), 3888#(and (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base)) (<= 2 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset)), 3889#(and (<= 2 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.offset|) (<= (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.offset| 1) (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.base|)))] [2018-04-12 02:51:16,685 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:16,685 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-12 02:51:16,685 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-12 02:51:16,686 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2018-04-12 02:51:16,686 INFO L87 Difference]: Start difference. First operand 66 states and 73 transitions. Second operand 14 states. [2018-04-12 02:51:17,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:17,039 INFO L93 Difference]: Finished difference Result 81 states and 89 transitions. [2018-04-12 02:51:17,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-12 02:51:17,040 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 34 [2018-04-12 02:51:17,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:17,040 INFO L225 Difference]: With dead ends: 81 [2018-04-12 02:51:17,040 INFO L226 Difference]: Without dead ends: 81 [2018-04-12 02:51:17,041 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=69, Invalid=437, Unknown=0, NotChecked=0, Total=506 [2018-04-12 02:51:17,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-04-12 02:51:17,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 67. [2018-04-12 02:51:17,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-04-12 02:51:17,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 74 transitions. [2018-04-12 02:51:17,042 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 74 transitions. Word has length 34 [2018-04-12 02:51:17,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:17,042 INFO L459 AbstractCegarLoop]: Abstraction has 67 states and 74 transitions. [2018-04-12 02:51:17,043 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-12 02:51:17,043 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 74 transitions. [2018-04-12 02:51:17,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-04-12 02:51:17,043 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:17,043 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:51:17,043 INFO L408 AbstractCegarLoop]: === Iteration 27 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:51:17,043 INFO L82 PathProgramCache]: Analyzing trace with hash 1421890336, now seen corresponding path program 2 times [2018-04-12 02:51:17,044 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:17,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:17,053 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:17,409 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:17,409 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 02:51:17,409 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-04-12 02:51:17,409 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:17,409 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 02:51:17,409 INFO L182 omatonBuilderFactory]: Interpolants [4064#(and (= 0 main_~nondetString2~0.offset) (or (<= (+ main_~nondetString2~0.offset (select |#length| main_~nondetString2~0.base)) main_~n~1) (and (not (= main_~nondetString1~0.base main_~nondetString2~0.base)) (= 0 (select (select |#memory_int| main_~nondetString2~0.base) main_~n~1))) (<= 3 (+ main_~nondetString2~0.offset (select |#length| main_~nondetString2~0.base)))) (<= main_~n~1 2147483647) (<= 1 main_~n~1)), 4065#(and (= 0 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.offset|) (or (<= (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.base|) 1) (and (<= 2 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~siz|) (<= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~siz| 2147483647)) (<= 3 (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.base|)) (and (not (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~dst.base| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.base|)) (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.base|) 1))))), 4066#(and (= 0 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (or (and (<= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 2147483647) (<= 2 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0)) (and (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) 1)) (not (= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base))) (<= (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) 1) (<= 3 (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)))), 4067#(and (= 0 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (or (and (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) 1)) (not (= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base))) (and (<= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~pre2| 2147483646) (<= 1 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~pre2|)) (<= (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) 1) (<= 3 (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)))), 4068#(and (= 0 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (or (and (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) 1)) (not (= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base))) (<= (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) 1) (<= 3 (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)))), 4069#(and (= 0 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (or (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) 1)) (<= (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) 1) (<= 3 (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)))), 4070#(and (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.offset| 0) (or (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 2) (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.offset| (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base))) (and (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.base|) (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset (- |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.offset|)))) (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.base| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)) (<= (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.offset| (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)) __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset)) (<= (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.offset| 1) __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset)), 4071#(and (<= 1 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (or (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset)) (<= (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 2) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)))), 4072#(and (or (<= (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.base|) |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.offset|) (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.base|) |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.offset|)) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base))) (<= 2 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset)), 4073#(and (or (= 0 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~mem7|) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base))) (<= 2 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset)), 4074#(and (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)) (<= 2 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset)), 4075#(and (<= 2 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.offset|) (<= (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.offset| 1) (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.base|))), 4056#true, 4057#false, 4058#(<= main_~n~1 2147483647), 4059#(and (<= main_~n~1 2147483647) (<= 1 main_~n~1)), 4060#(and (or (<= 2 main_~n~1) (= (select |#valid| |main_#t~malloc10.base|) 1)) (<= main_~n~1 2147483647) (<= 1 main_~n~1)), 4061#(and (or (<= 2 main_~n~1) (= (select |#valid| main_~nondetString1~0.base) 1)) (<= main_~n~1 2147483647) (<= 1 main_~n~1)), 4062#(and (= 0 |main_#t~malloc11.offset|) (or (and (= main_~length~0 (select |#length| |main_#t~malloc11.base|)) (not (= main_~nondetString1~0.base |main_#t~malloc11.base|))) (not (= main_~n~1 1))) (<= main_~n~1 2147483647) (<= 1 main_~n~1)), 4063#(and (= 0 main_~nondetString2~0.offset) (or (not (= main_~n~1 1)) (and (= main_~length~0 (select |#length| main_~nondetString2~0.base)) (not (= main_~nondetString1~0.base main_~nondetString2~0.base)))) (<= main_~n~1 2147483647) (<= 1 main_~n~1))] [2018-04-12 02:51:17,410 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:17,410 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-04-12 02:51:17,410 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-04-12 02:51:17,410 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2018-04-12 02:51:17,410 INFO L87 Difference]: Start difference. First operand 67 states and 74 transitions. Second operand 20 states. [2018-04-12 02:51:18,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:18,012 INFO L93 Difference]: Finished difference Result 80 states and 87 transitions. [2018-04-12 02:51:18,012 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-04-12 02:51:18,012 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 34 [2018-04-12 02:51:18,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:18,012 INFO L225 Difference]: With dead ends: 80 [2018-04-12 02:51:18,013 INFO L226 Difference]: Without dead ends: 80 [2018-04-12 02:51:18,013 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 228 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=139, Invalid=917, Unknown=0, NotChecked=0, Total=1056 [2018-04-12 02:51:18,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-04-12 02:51:18,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 71. [2018-04-12 02:51:18,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-04-12 02:51:18,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 78 transitions. [2018-04-12 02:51:18,014 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 78 transitions. Word has length 34 [2018-04-12 02:51:18,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:18,014 INFO L459 AbstractCegarLoop]: Abstraction has 71 states and 78 transitions. [2018-04-12 02:51:18,014 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-04-12 02:51:18,015 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 78 transitions. [2018-04-12 02:51:18,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-04-12 02:51:18,015 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:18,015 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:51:18,015 INFO L408 AbstractCegarLoop]: === Iteration 28 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:51:18,015 INFO L82 PathProgramCache]: Analyzing trace with hash -648337688, now seen corresponding path program 1 times [2018-04-12 02:51:18,015 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:18,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:18,024 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:18,173 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:18,173 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 02:51:18,173 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-04-12 02:51:18,173 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:18,174 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 02:51:18,174 INFO L182 omatonBuilderFactory]: Interpolants [4256#(and (= main_~n~1 (select |#length| |main_#t~malloc10.base|)) (= 0 |main_#t~malloc10.offset|) (<= main_~n~1 2147483647) (= (select |#valid| |main_#t~malloc10.base|) 1)), 4257#(and (= 0 main_~nondetString1~0.offset) (= (select |#valid| main_~nondetString1~0.base) 1) (= main_~n~1 (select |#length| main_~nondetString1~0.base)) (<= main_~n~1 2147483647)), 4258#(and (= 0 main_~nondetString1~0.offset) (= main_~n~1 (select |#length| main_~nondetString1~0.base)) (<= main_~n~1 2147483647)), 4259#(and (<= (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~dst.base|) |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~siz|) (<= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~siz| 2147483647) (= 0 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~dst.offset|)), 4260#(and (= 0 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset) (<= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 2147483647) (<= (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base) __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0)), 4261#(and (= 0 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset) (<= (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base) (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 1)) (<= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 2147483646)), 4262#(and (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.base| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base) (<= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 2147483646) (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.offset| 0) (<= (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.offset| (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.base|)) (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0))), 4263#(and (<= (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base) (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0)) (<= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 2147483646)), 4264#(and (<= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 2147483645) (<= (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base) (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 1))), 4265#(and (<= (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base) (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0)) (<= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 2147483645)), 4266#(<= (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base) __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset), 4253#true, 4254#false, 4255#(<= main_~n~1 2147483647)] [2018-04-12 02:51:18,174 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:18,174 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-12 02:51:18,174 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-12 02:51:18,175 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2018-04-12 02:51:18,175 INFO L87 Difference]: Start difference. First operand 71 states and 78 transitions. Second operand 14 states. [2018-04-12 02:51:18,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:18,432 INFO L93 Difference]: Finished difference Result 86 states and 91 transitions. [2018-04-12 02:51:18,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-12 02:51:18,432 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 35 [2018-04-12 02:51:18,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:18,432 INFO L225 Difference]: With dead ends: 86 [2018-04-12 02:51:18,433 INFO L226 Difference]: Without dead ends: 83 [2018-04-12 02:51:18,433 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=421, Unknown=0, NotChecked=0, Total=506 [2018-04-12 02:51:18,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2018-04-12 02:51:18,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 74. [2018-04-12 02:51:18,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2018-04-12 02:51:18,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 80 transitions. [2018-04-12 02:51:18,434 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 80 transitions. Word has length 35 [2018-04-12 02:51:18,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:18,434 INFO L459 AbstractCegarLoop]: Abstraction has 74 states and 80 transitions. [2018-04-12 02:51:18,434 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-12 02:51:18,434 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 80 transitions. [2018-04-12 02:51:18,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-04-12 02:51:18,435 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:18,435 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:51:18,435 INFO L408 AbstractCegarLoop]: === Iteration 29 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:51:18,435 INFO L82 PathProgramCache]: Analyzing trace with hash -282513281, now seen corresponding path program 1 times [2018-04-12 02:51:18,435 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:18,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:18,443 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:18,718 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:18,718 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 02:51:18,718 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-04-12 02:51:18,718 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:18,718 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 02:51:18,718 INFO L182 omatonBuilderFactory]: Interpolants [4448#(= (select |#valid| main_~nondetString1~0.base) 1), 4449#(and (= main_~length~0 (select |#length| |main_#t~malloc11.base|)) (not (= main_~nondetString1~0.base |main_#t~malloc11.base|)) (= 0 |main_#t~malloc11.offset|)), 4450#(and (= 0 main_~nondetString2~0.offset) (= main_~length~0 (select |#length| main_~nondetString2~0.base)) (not (= main_~nondetString1~0.base main_~nondetString2~0.base))), 4451#(and (= 0 main_~nondetString2~0.offset) (or (= 0 (select (select |#memory_int| main_~nondetString2~0.base) 1)) (<= (+ main_~nondetString2~0.offset (select |#length| main_~nondetString2~0.base)) 1) (<= 3 (+ main_~nondetString2~0.offset (select |#length| main_~nondetString2~0.base)))) (not (= main_~nondetString1~0.base main_~nondetString2~0.base))), 4452#(and (= 0 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.offset|) (or (<= (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.base|) 1) (<= 3 (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.base|)) (and (not (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~dst.base| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.base|)) (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.base|) 1))))), 4453#(and (= 0 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (or (and (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) 1)) (not (= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base))) (<= (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) 1) (<= 3 (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)))), 4454#(and (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.offset| 0) (or (and (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.base|) 1)) (not (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.base| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.base|)) (<= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.offset| 1)) (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.base| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (not (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.base| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base))) (<= (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.offset| (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)) __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 2) (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.offset| (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)))) (<= (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.offset| 1) __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset)), 4455#(and (<= 1 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (or (and (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) 1)) (not (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.base| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)) (not (= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)) (<= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 1)) (<= (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 2) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)))), 4456#(and (<= 1 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (or (<= (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 2) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)) (and (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) 1)) (not (= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)) (<= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 1)))), 4457#(and (<= 1 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (or (and (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) 1)) (<= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 1)) (<= (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 2) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)))), 4458#(and (or (<= (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.base|) |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.offset|) (and (= 1 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.offset|) (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.base|) |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.offset|))) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base))) (<= 2 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset)), 4459#(and (or (= 0 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~mem7|) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base))) (<= 2 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset)), 4460#(and (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)) (<= 2 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset)), 4461#(and (<= 2 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.offset|) (<= (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.offset| 1) (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.base|))), 4445#true, 4446#false, 4447#(= (select |#valid| |main_#t~malloc10.base|) 1)] [2018-04-12 02:51:18,718 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:18,718 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-12 02:51:18,719 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-12 02:51:18,719 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2018-04-12 02:51:18,719 INFO L87 Difference]: Start difference. First operand 74 states and 80 transitions. Second operand 17 states. [2018-04-12 02:51:19,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:19,074 INFO L93 Difference]: Finished difference Result 88 states and 94 transitions. [2018-04-12 02:51:19,075 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-04-12 02:51:19,075 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 36 [2018-04-12 02:51:19,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:19,075 INFO L225 Difference]: With dead ends: 88 [2018-04-12 02:51:19,075 INFO L226 Difference]: Without dead ends: 88 [2018-04-12 02:51:19,076 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=113, Invalid=699, Unknown=0, NotChecked=0, Total=812 [2018-04-12 02:51:19,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2018-04-12 02:51:19,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 74. [2018-04-12 02:51:19,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2018-04-12 02:51:19,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 80 transitions. [2018-04-12 02:51:19,078 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 80 transitions. Word has length 36 [2018-04-12 02:51:19,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:19,078 INFO L459 AbstractCegarLoop]: Abstraction has 74 states and 80 transitions. [2018-04-12 02:51:19,078 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-12 02:51:19,078 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 80 transitions. [2018-04-12 02:51:19,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-04-12 02:51:19,078 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:19,079 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:51:19,079 INFO L408 AbstractCegarLoop]: === Iteration 30 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:51:19,079 INFO L82 PathProgramCache]: Analyzing trace with hash -1291838461, now seen corresponding path program 2 times [2018-04-12 02:51:19,079 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:19,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:19,087 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:19,255 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-12 02:51:19,255 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 02:51:19,255 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-04-12 02:51:19,255 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:19,255 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 02:51:19,255 INFO L182 omatonBuilderFactory]: Interpolants [4648#true, 4649#false, 4650#(and (= main_~n~1 (select |#length| |main_#t~malloc10.base|)) (= 0 |main_#t~malloc10.offset|) (= (select |#valid| |main_#t~malloc10.base|) 1)), 4651#(and (= 0 main_~nondetString1~0.offset) (= (select |#valid| main_~nondetString1~0.base) 1) (= main_~n~1 (select |#length| main_~nondetString1~0.base))), 4652#(and (= 0 main_~nondetString1~0.offset) (= main_~n~1 (select |#length| main_~nondetString1~0.base))), 4653#(and (<= (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~dst.base|) |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~siz|) (<= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~siz| (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~dst.base|)) (= 0 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~dst.offset|)), 4654#(and (= 0 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset) (<= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base)) (<= (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base) __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0)), 4655#(and (= 0 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset) (<= (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base) (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 1)) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 1) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base))), 4656#(and (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.base| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base) (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.offset| 0) (<= (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.offset| (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.base|)) (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0)) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0) (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.offset| (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.base|)))), 4657#(and (<= (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base) (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0)) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base))), 4658#(and (<= (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base) (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 1)) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 1) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base))), 4659#(and (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~pre2| 1) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base)) (<= (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base) (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~pre2| 1))), 4660#(or (<= (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.base|) |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.offset|) (and (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base)) (<= (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.offset| 1) __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset))), 4661#(and (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base)) (<= 1 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset))] [2018-04-12 02:51:19,255 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-12 02:51:19,255 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-12 02:51:19,255 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-12 02:51:19,255 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2018-04-12 02:51:19,256 INFO L87 Difference]: Start difference. First operand 74 states and 80 transitions. Second operand 14 states. [2018-04-12 02:51:19,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:19,523 INFO L93 Difference]: Finished difference Result 85 states and 90 transitions. [2018-04-12 02:51:19,523 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-12 02:51:19,523 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 38 [2018-04-12 02:51:19,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:19,524 INFO L225 Difference]: With dead ends: 85 [2018-04-12 02:51:19,524 INFO L226 Difference]: Without dead ends: 82 [2018-04-12 02:51:19,524 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=91, Invalid=461, Unknown=0, NotChecked=0, Total=552 [2018-04-12 02:51:19,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-04-12 02:51:19,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 67. [2018-04-12 02:51:19,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-04-12 02:51:19,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 72 transitions. [2018-04-12 02:51:19,525 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 72 transitions. Word has length 38 [2018-04-12 02:51:19,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:19,525 INFO L459 AbstractCegarLoop]: Abstraction has 67 states and 72 transitions. [2018-04-12 02:51:19,525 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-12 02:51:19,526 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 72 transitions. [2018-04-12 02:51:19,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-04-12 02:51:19,526 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:19,526 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:51:19,526 INFO L408 AbstractCegarLoop]: === Iteration 31 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:51:19,526 INFO L82 PathProgramCache]: Analyzing trace with hash 1790080990, now seen corresponding path program 2 times [2018-04-12 02:51:19,526 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:19,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:19,538 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:19,857 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 02:51:19,858 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 02:51:19,858 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-04-12 02:51:19,858 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:19,858 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 02:51:19,858 INFO L182 omatonBuilderFactory]: Interpolants [4834#true, 4835#false, 4836#(= (select |#valid| |main_#t~malloc10.base|) 1), 4837#(= (select |#valid| main_~nondetString1~0.base) 1), 4838#(and (= main_~length~0 (select |#length| |main_#t~malloc11.base|)) (not (= main_~nondetString1~0.base |main_#t~malloc11.base|)) (= 0 |main_#t~malloc11.offset|)), 4839#(and (= 0 main_~nondetString2~0.offset) (or (not (= (+ main_~nondetString2~0.offset main_~length~0) 2)) (not (= main_~nondetString1~0.base main_~nondetString2~0.base))) (= main_~length~0 (select |#length| main_~nondetString2~0.base))), 4840#(and (= 0 main_~nondetString2~0.offset) (or (and (= 0 (select (select |#memory_int| main_~nondetString2~0.base) 1)) (not (= main_~nondetString1~0.base main_~nondetString2~0.base))) (<= (+ main_~nondetString2~0.offset (select |#length| main_~nondetString2~0.base)) 1) (<= 3 (+ main_~nondetString2~0.offset (select |#length| main_~nondetString2~0.base))))), 4841#(and (= 0 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.offset|) (or (<= (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.base|) 1) (<= 3 (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.base|)) (and (not (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~dst.base| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.base|)) (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.base|) 1))))), 4842#(and (= 0 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (or (and (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) 1)) (not (= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base))) (<= (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) 1) (<= 3 (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)))), 4843#(and (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.offset| 0) (or (and (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.base|) 1)) (not (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.base| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.base|)) (<= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.offset| 1)) (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.base| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)) (<= (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.offset| (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)) __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 2) (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.offset| (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)))) (<= (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.offset| 1) __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset)), 4844#(and (<= 1 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (or (and (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) 1)) (not (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.base| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)) (<= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 1)) (<= (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 2) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)))), 4845#(and (<= 1 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (or (and (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) 1)) (<= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 1)) (<= (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 2) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)))), 4846#(and (or (<= (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.base|) |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.offset|) (and (= 1 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.offset|) (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.base|) |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.offset|))) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base))) (<= 2 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset)), 4847#(and (or (= 0 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~mem5|) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base))) (<= 2 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset)), 4848#(and (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)) (<= 2 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset)), 4849#(and (<= 2 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.offset|) (<= (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.offset| 1) (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.base|)))] [2018-04-12 02:51:19,858 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 02:51:19,859 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-12 02:51:19,859 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-12 02:51:19,859 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2018-04-12 02:51:19,859 INFO L87 Difference]: Start difference. First operand 67 states and 72 transitions. Second operand 16 states. [2018-04-12 02:51:20,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:20,153 INFO L93 Difference]: Finished difference Result 86 states and 91 transitions. [2018-04-12 02:51:20,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-12 02:51:20,154 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 38 [2018-04-12 02:51:20,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:20,154 INFO L225 Difference]: With dead ends: 86 [2018-04-12 02:51:20,154 INFO L226 Difference]: Without dead ends: 86 [2018-04-12 02:51:20,154 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=82, Invalid=470, Unknown=0, NotChecked=0, Total=552 [2018-04-12 02:51:20,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2018-04-12 02:51:20,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 70. [2018-04-12 02:51:20,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2018-04-12 02:51:20,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 75 transitions. [2018-04-12 02:51:20,156 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 75 transitions. Word has length 38 [2018-04-12 02:51:20,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:20,156 INFO L459 AbstractCegarLoop]: Abstraction has 70 states and 75 transitions. [2018-04-12 02:51:20,156 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-12 02:51:20,156 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 75 transitions. [2018-04-12 02:51:20,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-04-12 02:51:20,157 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:20,157 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:51:20,157 INFO L408 AbstractCegarLoop]: === Iteration 32 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:51:20,157 INFO L82 PathProgramCache]: Analyzing trace with hash -2011124713, now seen corresponding path program 3 times [2018-04-12 02:51:20,158 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:20,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:20,167 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:20,353 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-04-12 02:51:20,353 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 02:51:20,385 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-04-12 02:51:20,385 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:20,385 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 02:51:20,385 INFO L182 omatonBuilderFactory]: Interpolants [5024#(= (select |#valid| |main_#t~malloc10.base|) 1), 5025#(= (select |#valid| main_~nondetString1~0.base) 1), 5026#(and (= main_~length~0 (select |#length| |main_#t~malloc11.base|)) (not (= main_~nondetString1~0.base |main_#t~malloc11.base|)) (= 0 |main_#t~malloc11.offset|)), 5027#(and (= main_~nondetString2~0.offset 0) (= main_~length~0 (select |#length| main_~nondetString2~0.base)) (not (= main_~nondetString1~0.base main_~nondetString2~0.base))), 5028#(and (= main_~nondetString2~0.offset 0) (= 0 (select (select |#memory_int| main_~nondetString2~0.base) (+ (select |#length| main_~nondetString2~0.base) (+ main_~nondetString2~0.offset (- 1))))) (not (= main_~nondetString1~0.base main_~nondetString2~0.base))), 5029#(and (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.base|) (+ (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.base|) (- 1)))) (not (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~dst.base| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.base|))), 5030#(and (not (= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (+ (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (- 1))))), 5031#(= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (+ (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (- 1)))), 5032#(and (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.base|) (+ (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (- 1)))) (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.base| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)), 5033#(or (and (or (<= (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.base|) |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.offset|) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base))) (<= (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.offset| 1) __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset)) (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.base|) |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.offset|))), 5034#(or (and (<= 1 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base))) (= 0 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~mem7|)), 5035#(and (<= 1 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base))), 5036#(and (<= 1 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.offset|) (<= (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.offset| 1) (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.base|))), 5022#true, 5023#false] [2018-04-12 02:51:20,385 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-04-12 02:51:20,386 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-12 02:51:20,386 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-12 02:51:20,386 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2018-04-12 02:51:20,386 INFO L87 Difference]: Start difference. First operand 70 states and 75 transitions. Second operand 15 states. [2018-04-12 02:51:20,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:20,805 INFO L93 Difference]: Finished difference Result 81 states and 86 transitions. [2018-04-12 02:51:20,806 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-12 02:51:20,806 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 38 [2018-04-12 02:51:20,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:20,806 INFO L225 Difference]: With dead ends: 81 [2018-04-12 02:51:20,806 INFO L226 Difference]: Without dead ends: 63 [2018-04-12 02:51:20,806 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=112, Invalid=488, Unknown=0, NotChecked=0, Total=600 [2018-04-12 02:51:20,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-04-12 02:51:20,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2018-04-12 02:51:20,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-04-12 02:51:20,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 67 transitions. [2018-04-12 02:51:20,808 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 67 transitions. Word has length 38 [2018-04-12 02:51:20,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:20,808 INFO L459 AbstractCegarLoop]: Abstraction has 63 states and 67 transitions. [2018-04-12 02:51:20,808 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-12 02:51:20,808 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 67 transitions. [2018-04-12 02:51:20,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-04-12 02:51:20,808 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:20,808 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:51:20,809 INFO L408 AbstractCegarLoop]: === Iteration 33 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:51:20,809 INFO L82 PathProgramCache]: Analyzing trace with hash -1391271637, now seen corresponding path program 3 times [2018-04-12 02:51:20,809 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:20,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:20,819 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:21,048 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-12 02:51:21,048 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 02:51:21,048 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-04-12 02:51:21,048 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:21,048 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 02:51:21,049 INFO L182 omatonBuilderFactory]: Interpolants [5216#(and (<= 1 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base))), 5217#(and (<= 1 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.offset|) (<= (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.offset| 1) (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.base|))), 5201#true, 5202#false, 5203#(= (select |#valid| |main_#t~malloc10.base|) 1), 5204#(= (select |#valid| main_~nondetString1~0.base) 1), 5205#(and (= main_~length~0 (select |#length| |main_#t~malloc11.base|)) (not (= main_~nondetString1~0.base |main_#t~malloc11.base|)) (= 0 |main_#t~malloc11.offset|)), 5206#(and (= main_~nondetString2~0.offset 0) (= main_~length~0 (select |#length| main_~nondetString2~0.base)) (not (= main_~nondetString1~0.base main_~nondetString2~0.base))), 5207#(and (= main_~nondetString2~0.offset 0) (= 0 (select (select |#memory_int| main_~nondetString2~0.base) (+ (select |#length| main_~nondetString2~0.base) (+ main_~nondetString2~0.offset (- 1))))) (not (= main_~nondetString1~0.base main_~nondetString2~0.base))), 5208#(and (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.base|) (+ (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.base|) (- 1)))) (not (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~dst.base| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.base|))), 5209#(and (not (= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (+ (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (- 1))))), 5210#(and (not (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.base| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.base|)) (not (= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.base|)) (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.base| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.base|) (+ (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (- 1))))), 5211#(and (not (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.base| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)) (not (= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (+ (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (- 1))))), 5212#(and (not (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.base| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (+ (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (- 1))))), 5213#(= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (+ (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (- 1)))), 5214#(or (and (or (<= (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.base|) |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.offset|) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base))) (<= (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.offset| 1) __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset)) (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.base|) |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.offset|))), 5215#(or (and (<= 1 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base))) (= 0 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~mem5|))] [2018-04-12 02:51:21,049 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-12 02:51:21,049 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-12 02:51:21,049 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-12 02:51:21,049 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2018-04-12 02:51:21,049 INFO L87 Difference]: Start difference. First operand 63 states and 67 transitions. Second operand 17 states. [2018-04-12 02:51:21,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:21,342 INFO L93 Difference]: Finished difference Result 66 states and 70 transitions. [2018-04-12 02:51:21,342 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-12 02:51:21,342 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 39 [2018-04-12 02:51:21,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:21,343 INFO L225 Difference]: With dead ends: 66 [2018-04-12 02:51:21,343 INFO L226 Difference]: Without dead ends: 66 [2018-04-12 02:51:21,343 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=133, Invalid=623, Unknown=0, NotChecked=0, Total=756 [2018-04-12 02:51:21,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-04-12 02:51:21,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 62. [2018-04-12 02:51:21,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-04-12 02:51:21,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 66 transitions. [2018-04-12 02:51:21,344 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 66 transitions. Word has length 39 [2018-04-12 02:51:21,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:21,344 INFO L459 AbstractCegarLoop]: Abstraction has 62 states and 66 transitions. [2018-04-12 02:51:21,344 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-12 02:51:21,344 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 66 transitions. [2018-04-12 02:51:21,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-04-12 02:51:21,345 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:21,345 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:51:21,345 INFO L408 AbstractCegarLoop]: === Iteration 34 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:51:21,345 INFO L82 PathProgramCache]: Analyzing trace with hash -179747827, now seen corresponding path program 3 times [2018-04-12 02:51:21,345 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:21,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:21,352 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:21,553 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-12 02:51:21,554 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 02:51:21,554 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-04-12 02:51:21,554 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:21,554 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 02:51:21,555 INFO L182 omatonBuilderFactory]: Interpolants [5376#(and (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.base| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base) (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.offset| 0) (<= (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.offset| (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.base|)) (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0)) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0) (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.offset| (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.base|)))), 5377#(and (<= (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base) (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0)) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base))), 5378#(and (<= (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base) (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 1)) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 1) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base))), 5379#(and (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~pre2| 1) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base)) (<= (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base) (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~pre2| 1))), 5380#(or (<= (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.base|) |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.offset|) (and (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base)) (<= (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.offset| 1) __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset))), 5381#(and (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base)) (<= 1 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset)), 5382#(and (<= 1 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.offset|) (<= (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.offset| 1) (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.base|))), 5368#true, 5369#false, 5370#(and (= main_~n~1 (select |#length| |main_#t~malloc10.base|)) (= 0 |main_#t~malloc10.offset|) (= (select |#valid| |main_#t~malloc10.base|) 1)), 5371#(and (= 0 main_~nondetString1~0.offset) (= (select |#valid| main_~nondetString1~0.base) 1) (= main_~n~1 (select |#length| main_~nondetString1~0.base))), 5372#(and (= 0 main_~nondetString1~0.offset) (= main_~n~1 (select |#length| main_~nondetString1~0.base))), 5373#(and (<= (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~dst.base|) |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~siz|) (<= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~siz| (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~dst.base|)) (= 0 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~dst.offset|)), 5374#(and (= 0 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset) (<= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base)) (<= (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base) __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0)), 5375#(and (= 0 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.offset) (<= (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base) (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 1)) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 1) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base)))] [2018-04-12 02:51:21,555 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-12 02:51:21,555 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-12 02:51:21,555 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-12 02:51:21,555 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2018-04-12 02:51:21,556 INFO L87 Difference]: Start difference. First operand 62 states and 66 transitions. Second operand 15 states. [2018-04-12 02:51:21,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:21,879 INFO L93 Difference]: Finished difference Result 61 states and 65 transitions. [2018-04-12 02:51:21,879 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-12 02:51:21,879 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 40 [2018-04-12 02:51:21,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:21,879 INFO L225 Difference]: With dead ends: 61 [2018-04-12 02:51:21,879 INFO L226 Difference]: Without dead ends: 61 [2018-04-12 02:51:21,880 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=87, Invalid=465, Unknown=0, NotChecked=0, Total=552 [2018-04-12 02:51:21,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-04-12 02:51:21,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 59. [2018-04-12 02:51:21,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-04-12 02:51:21,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 63 transitions. [2018-04-12 02:51:21,881 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 63 transitions. Word has length 40 [2018-04-12 02:51:21,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:21,881 INFO L459 AbstractCegarLoop]: Abstraction has 59 states and 63 transitions. [2018-04-12 02:51:21,881 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-12 02:51:21,882 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 63 transitions. [2018-04-12 02:51:21,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-04-12 02:51:21,882 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:21,882 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:51:21,882 INFO L408 AbstractCegarLoop]: === Iteration 35 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:51:21,882 INFO L82 PathProgramCache]: Analyzing trace with hash -569523722, now seen corresponding path program 2 times [2018-04-12 02:51:21,883 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:21,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:21,894 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:22,413 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:22,413 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 02:51:22,413 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-04-12 02:51:22,413 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:22,414 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 02:51:22,414 INFO L182 omatonBuilderFactory]: Interpolants [5536#(and (<= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~pre2| 2147483645) (<= 0 (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~pre2| 1)) (or (<= (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~pre2| 1)) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~pre2| 3) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)) (and (not (= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~pre2| 1))))))), 5537#(or (<= (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 1)) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 3) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)) (and (not (= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 1))))), 5538#(or (<= (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 1)) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 3) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 1)))), 5539#(or (<= (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (and (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.base|) __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset)) (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.base| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 2) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base))), 5540#(or (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset)) (<= (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 2) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base))), 5541#(or (and (or (<= (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.base|) |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.offset|) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base))) (<= (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.offset| 1) __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset)) (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.base|) |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.offset|))), 5542#(or (and (<= 1 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base))) (= 0 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~mem7|)), 5543#(and (<= 1 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base))), 5544#(and (<= 1 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.offset|) (<= (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.offset| 1) (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.base|))), 5521#true, 5522#false, 5523#(<= main_~n~1 2147483647), 5524#(and (<= main_~n~1 2147483647) (<= 1 main_~n~1)), 5525#(and (<= main_~n~1 2147483647) (<= 1 main_~n~1) (= (select |#valid| |main_#t~malloc10.base|) 1)), 5526#(and (= (select |#valid| main_~nondetString1~0.base) 1) (<= main_~n~1 2147483647) (<= 1 main_~n~1)), 5527#(and (= main_~length~0 (select |#length| |main_#t~malloc11.base|)) (not (= main_~nondetString1~0.base |main_#t~malloc11.base|)) (= 0 |main_#t~malloc11.offset|) (<= main_~n~1 2147483647) (<= 1 main_~n~1)), 5528#(and (= 0 main_~nondetString2~0.offset) (or (= main_~length~0 (select |#length| main_~nondetString2~0.base)) (= (+ main_~nondetString2~0.offset main_~length~0) (+ main_~n~1 1))) (not (= main_~nondetString1~0.base main_~nondetString2~0.base)) (<= main_~n~1 2147483647) (<= 1 main_~n~1)), 5529#(and (= 0 main_~nondetString2~0.offset) (not (= main_~nondetString1~0.base main_~nondetString2~0.base)) (<= main_~n~1 2147483647) (or (<= (+ main_~nondetString2~0.offset (select |#length| main_~nondetString2~0.base)) main_~n~1) (<= (+ main_~n~1 2) (+ main_~nondetString2~0.offset (select |#length| main_~nondetString2~0.base))) (= 0 (select (select |#memory_int| main_~nondetString2~0.base) main_~n~1))) (<= 1 main_~n~1)), 5530#(and (<= 1 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~siz|) (= 0 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.offset|) (<= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~siz| 2147483647) (or (<= (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~siz| 2) (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.base|)) (<= (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.base|) |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~siz|) (and (not (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~dst.base| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.base|)) (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.base|) |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~siz|))))), 5531#(and (= 0 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (or (and (not (= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0))) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 2) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)) (<= (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0)) (<= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 2147483647) (<= 1 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0)), 5532#(and (<= 0 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0) (= 0 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (<= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 2147483646) (or (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 3) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)) (<= (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 1)) (and (not (= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 1)))))), 5533#(and (<= 0 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0) (or (and (not (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.base| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.base|)) (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.base|) (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 (- |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.offset|))))) (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.base| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (not (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.base| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base))) (<= (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.offset| (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)) (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0)) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 2) (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.offset| (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)))) (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.offset| 0) (<= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 2147483646)), 5534#(and (<= 0 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0) (<= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 2147483646) (or (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 2) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)) (<= (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0)) (and (not (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.base| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)) (not (= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0)))))), 5535#(and (<= 0 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0) (<= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 2147483646) (or (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 2) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)) (<= (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0)) (and (not (= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0))))))] [2018-04-12 02:51:22,414 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:22,414 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-04-12 02:51:22,414 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-04-12 02:51:22,414 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=490, Unknown=0, NotChecked=0, Total=552 [2018-04-12 02:51:22,414 INFO L87 Difference]: Start difference. First operand 59 states and 63 transitions. Second operand 24 states. [2018-04-12 02:51:22,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:22,788 INFO L93 Difference]: Finished difference Result 67 states and 71 transitions. [2018-04-12 02:51:22,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-04-12 02:51:22,789 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 40 [2018-04-12 02:51:22,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:22,789 INFO L225 Difference]: With dead ends: 67 [2018-04-12 02:51:22,789 INFO L226 Difference]: Without dead ends: 67 [2018-04-12 02:51:22,789 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=116, Invalid=876, Unknown=0, NotChecked=0, Total=992 [2018-04-12 02:51:22,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-04-12 02:51:22,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 63. [2018-04-12 02:51:22,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-04-12 02:51:22,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 67 transitions. [2018-04-12 02:51:22,790 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 67 transitions. Word has length 40 [2018-04-12 02:51:22,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:22,791 INFO L459 AbstractCegarLoop]: Abstraction has 63 states and 67 transitions. [2018-04-12 02:51:22,791 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-04-12 02:51:22,791 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 67 transitions. [2018-04-12 02:51:22,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-04-12 02:51:22,791 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:22,791 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:51:22,791 INFO L408 AbstractCegarLoop]: === Iteration 36 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:51:22,792 INFO L82 PathProgramCache]: Analyzing trace with hash 1523990997, now seen corresponding path program 3 times [2018-04-12 02:51:22,792 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:22,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:22,800 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:23,325 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:23,325 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 02:51:23,325 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-04-12 02:51:23,325 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:23,326 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 02:51:23,326 INFO L182 omatonBuilderFactory]: Interpolants [5696#(and (= (select |#valid| main_~nondetString1~0.base) 1) (<= main_~n~1 2147483647) (<= 1 main_~n~1) (= main_~nondetString1~0.offset 0)), 5697#(and (= main_~length~0 (select |#length| |main_#t~malloc11.base|)) (not (= main_~nondetString1~0.base |main_#t~malloc11.base|)) (= 0 |main_#t~malloc11.offset|) (<= main_~n~1 2147483647) (<= 1 main_~n~1) (= main_~nondetString1~0.offset 0)), 5698#(and (= 0 main_~nondetString2~0.offset) (or (= (+ main_~nondetString2~0.offset main_~length~0) (+ main_~n~1 main_~nondetString1~0.offset)) (= main_~length~0 (select |#length| main_~nondetString2~0.base))) (not (= main_~nondetString1~0.base main_~nondetString2~0.base)) (<= main_~n~1 2147483647) (<= 1 main_~n~1) (= main_~nondetString1~0.offset 0)), 5699#(and (= 0 main_~nondetString2~0.offset) (or (= 0 (select (select |#memory_int| main_~nondetString2~0.base) (+ main_~nondetString1~0.offset main_~n~1 (- 1)))) (<= (+ main_~nondetString2~0.offset (select |#length| main_~nondetString2~0.base) 1) (+ main_~n~1 main_~nondetString1~0.offset)) (<= (+ main_~n~1 main_~nondetString1~0.offset 1) (+ main_~nondetString2~0.offset (select |#length| main_~nondetString2~0.base)))) (not (= main_~nondetString1~0.base main_~nondetString2~0.base)) (<= main_~n~1 2147483647) (<= 1 main_~n~1) (= main_~nondetString1~0.offset 0)), 5700#(and (<= 1 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~siz|) (= 0 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.offset|) (or (and (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.base|) (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~siz| (- 1)))) (not (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~dst.base| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.base|))) (<= (+ (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.base|) 1) |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~siz|) (<= (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~siz| 1) (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.base|))) (<= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~siz| 2147483647)), 5701#(and (= 0 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (or (<= (+ (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) 1) __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 1) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)) (and (not (= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 (- 1)))))) (<= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 2147483647) (<= 1 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0)), 5702#(and (<= 0 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0) (= 0 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (or (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 2) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)) (and (not (= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (+ (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 1) (- 1))))) (<= (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0)) (<= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 2147483646)), 5703#(and (<= 0 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0) (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.offset| 0) (<= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 2147483646) (or (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 1) (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.offset| (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base))) (and (not (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.base| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.base|)) (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.base|) (+ (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 (- |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.offset|))) (- 1)))) (not (= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.base|)) (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.base| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)) (<= (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.offset| (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) 1) (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0)))), 5704#(and (<= 0 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0) (<= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 2147483646) (or (and (not (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.base| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (+ (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0) (- 1)))) (not (= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base))) (<= (+ (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) 1) (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0)) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 1) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)))), 5705#(and (<= 0 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0) (or (and (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (+ (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0) (- 1)))) (not (= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base))) (<= (+ (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) 1) (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0)) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 1) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base))) (<= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 2147483646)), 5706#(and (<= 0 (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 1)) (<= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 2147483645) (or (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 2) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)) (<= (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0)) (and (not (= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (+ (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 1)) (- 1))))))), 5707#(and (or (and (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (+ (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (- 1)))) (not (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.base| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)) (not (= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base))) (<= (+ (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) 1) (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0)) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 1) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base))) (<= 0 (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 1)) (<= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 2147483645)), 5708#(and (<= 0 (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 1)) (or (and (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (+ (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (- 1)))) (not (= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base))) (<= (+ (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) 1) (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0)) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 1) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base))) (<= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~n~0 2147483645)), 5709#(and (or (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~pre2| 2) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)) (and (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (+ (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~pre2| (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 1)) (- 1)))) (not (= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base))) (<= (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~pre2|))) (<= 0 (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~pre2| 2)) (<= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~pre2| 2147483644)), 5710#(or (and (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (+ (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 1) (- 1)))) (not (= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base))) (<= (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 2) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base))), 5711#(or (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (+ (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 1) (- 1)))) (<= (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 2) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base))), 5712#(or (and (or (<= (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.base|) |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.offset|) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base))) (<= (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.offset| 1) __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset)) (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.base|) |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.offset|))), 5713#(or (and (<= 1 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base))) (= 0 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~mem7|)), 5714#(and (<= 1 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base))), 5715#(and (<= 1 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.offset|) (<= (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.offset| 1) (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.base|))), 5691#true, 5692#false, 5693#(<= main_~n~1 2147483647), 5694#(and (<= main_~n~1 2147483647) (<= 1 main_~n~1)), 5695#(and (= 0 |main_#t~malloc10.offset|) (<= main_~n~1 2147483647) (<= 1 main_~n~1) (= (select |#valid| |main_#t~malloc10.base|) 1))] [2018-04-12 02:51:23,326 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:23,326 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-04-12 02:51:23,326 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-04-12 02:51:23,326 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=536, Unknown=0, NotChecked=0, Total=600 [2018-04-12 02:51:23,327 INFO L87 Difference]: Start difference. First operand 63 states and 67 transitions. Second operand 25 states. [2018-04-12 02:51:23,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:23,951 INFO L93 Difference]: Finished difference Result 71 states and 75 transitions. [2018-04-12 02:51:23,951 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-04-12 02:51:23,951 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 42 [2018-04-12 02:51:23,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:23,952 INFO L225 Difference]: With dead ends: 71 [2018-04-12 02:51:23,952 INFO L226 Difference]: Without dead ends: 71 [2018-04-12 02:51:23,953 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=139, Invalid=1193, Unknown=0, NotChecked=0, Total=1332 [2018-04-12 02:51:23,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2018-04-12 02:51:23,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 63. [2018-04-12 02:51:23,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-04-12 02:51:23,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 67 transitions. [2018-04-12 02:51:23,954 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 67 transitions. Word has length 42 [2018-04-12 02:51:23,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:23,954 INFO L459 AbstractCegarLoop]: Abstraction has 63 states and 67 transitions. [2018-04-12 02:51:23,954 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-04-12 02:51:23,954 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 67 transitions. [2018-04-12 02:51:23,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-04-12 02:51:23,955 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:23,955 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:51:23,955 INFO L408 AbstractCegarLoop]: === Iteration 37 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:51:23,955 INFO L82 PathProgramCache]: Analyzing trace with hash -1621062732, now seen corresponding path program 3 times [2018-04-12 02:51:23,955 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:23,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:23,970 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:24,224 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-12 02:51:24,224 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 02:51:24,224 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-04-12 02:51:24,224 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:24,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:24,224 INFO L182 omatonBuilderFactory]: Interpolants [5888#(or (and (or (<= (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.base|) |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.offset|) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base))) (<= (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.offset| 1) __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset)) (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.base|) |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.offset|))), 5889#(or (and (<= 1 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base))) (= 0 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~mem5|)), 5890#(and (<= 1 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base))), 5891#(and (<= 1 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.offset|) (<= (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.offset| 1) (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.base|))), 5874#true, 5875#false, 5876#(= (select |#valid| |main_#t~malloc10.base|) 1), 5877#(= (select |#valid| main_~nondetString1~0.base) 1), 5878#(and (= main_~length~0 (select |#length| |main_#t~malloc11.base|)) (not (= main_~nondetString1~0.base |main_#t~malloc11.base|)) (= 0 |main_#t~malloc11.offset|)), 5879#(and (= main_~nondetString2~0.offset 0) (= main_~length~0 (select |#length| main_~nondetString2~0.base)) (not (= main_~nondetString1~0.base main_~nondetString2~0.base))), 5880#(and (= main_~nondetString2~0.offset 0) (= 0 (select (select |#memory_int| main_~nondetString2~0.base) (+ (select |#length| main_~nondetString2~0.base) (+ main_~nondetString2~0.offset (- 1))))) (not (= main_~nondetString1~0.base main_~nondetString2~0.base))), 5881#(and (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.base|) (+ (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.base|) (- 1)))) (not (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~dst.base| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.base|))), 5882#(and (not (= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (+ (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (- 1))))), 5883#(and (not (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.base| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.base|)) (not (= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)) (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.base| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.base|) (+ (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (- 1))))), 5884#(and (not (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.base| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)) (not (= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (+ (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (- 1))))), 5885#(and (not (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.base| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)) (not (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.base| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.base|)) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (+ (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (- 1))))), 5886#(and (not (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.base| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (+ (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (- 1))))), 5887#(= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (+ (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (- 1))))] [2018-04-12 02:51:24,224 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-12 02:51:24,225 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-12 02:51:24,225 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-12 02:51:24,225 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2018-04-12 02:51:24,225 INFO L87 Difference]: Start difference. First operand 63 states and 67 transitions. Second operand 18 states. [2018-04-12 02:51:24,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:24,466 INFO L93 Difference]: Finished difference Result 71 states and 75 transitions. [2018-04-12 02:51:24,466 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-12 02:51:24,466 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 44 [2018-04-12 02:51:24,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:24,467 INFO L225 Difference]: With dead ends: 71 [2018-04-12 02:51:24,467 INFO L226 Difference]: Without dead ends: 71 [2018-04-12 02:51:24,467 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=137, Invalid=675, Unknown=0, NotChecked=0, Total=812 [2018-04-12 02:51:24,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2018-04-12 02:51:24,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 63. [2018-04-12 02:51:24,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-04-12 02:51:24,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 67 transitions. [2018-04-12 02:51:24,468 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 67 transitions. Word has length 44 [2018-04-12 02:51:24,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:24,469 INFO L459 AbstractCegarLoop]: Abstraction has 63 states and 67 transitions. [2018-04-12 02:51:24,469 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-12 02:51:24,469 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 67 transitions. [2018-04-12 02:51:24,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-04-12 02:51:24,469 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:24,469 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:51:24,469 INFO L408 AbstractCegarLoop]: === Iteration 38 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 02:51:24,470 INFO L82 PathProgramCache]: Analyzing trace with hash -1127301139, now seen corresponding path program 4 times [2018-04-12 02:51:24,470 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:24,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:24,481 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:24,823 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:24,823 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 02:51:24,823 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-04-12 02:51:24,823 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:24,824 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 02:51:24,824 INFO L182 omatonBuilderFactory]: Interpolants [6048#true, 6049#false, 6050#(= (select |#valid| |main_#t~malloc10.base|) 1), 6051#(= (select |#valid| main_~nondetString1~0.base) 1), 6052#(and (= main_~length~0 (select |#length| |main_#t~malloc11.base|)) (not (= main_~nondetString1~0.base |main_#t~malloc11.base|)) (= 0 |main_#t~malloc11.offset|)), 6053#(and (= 0 main_~nondetString2~0.offset) (= main_~length~0 (select |#length| main_~nondetString2~0.base)) (not (= main_~nondetString1~0.base main_~nondetString2~0.base))), 6054#(and (= 0 main_~nondetString2~0.offset) (= 0 (select (select |#memory_int| main_~nondetString2~0.base) (+ (select |#length| main_~nondetString2~0.base) (+ main_~nondetString2~0.offset (- 1))))) (not (= main_~nondetString1~0.base main_~nondetString2~0.base))), 6055#(and (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.base|) (+ (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.base|) (- 1)))) (= 0 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.offset|) (not (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~dst.base| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#in~src.base|))), 6056#(and (= 0 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (not (= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (+ (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (- 1))))), 6057#(and (not (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.base| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.base|)) (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.offset| 0) (<= (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.offset| 1) __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.base| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.base|) (+ (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (- 1)))) (not (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post4.base| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base))), 6058#(and (not (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post3.base| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)) (<= 1 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (not (= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (+ (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (- 1))))), 6059#(and (<= 1 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (not (= __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~d~0.base __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (+ (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (- 1))))), 6060#(and (<= 1 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (+ (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (- 1))))), 6061#(and (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.base|) (+ (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (- 1)))) (= |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.base| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (<= 2 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset)), 6062#(and (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (+ (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (- 1)))) (<= 2 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset)), 6063#(and (<= 3 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (+ (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base) (- 1))))), 6064#(or (and (<= 4 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (or (<= (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.base|) |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.offset|) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base)))) (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.base|) |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.offset|))), 6065#(or (and (<= 4 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base))) (= 0 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~mem7|)), 6066#(and (<= 4 __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset) (<= (+ __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_~s~0.base))), 6067#(and (<= 4 |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.offset|) (<= (+ |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.offset| 1) (select |#length| |__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy_#t~post6.base|)))] [2018-04-12 02:51:24,824 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:24,824 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-04-12 02:51:24,824 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-04-12 02:51:24,824 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2018-04-12 02:51:24,825 INFO L87 Difference]: Start difference. First operand 63 states and 67 transitions. Second operand 20 states. [2018-04-12 02:51:25,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:25,385 INFO L93 Difference]: Finished difference Result 63 states and 67 transitions. [2018-04-12 02:51:25,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-04-12 02:51:25,482 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 44 [2018-04-12 02:51:25,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:25,483 INFO L225 Difference]: With dead ends: 63 [2018-04-12 02:51:25,483 INFO L226 Difference]: Without dead ends: 0 [2018-04-12 02:51:25,483 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=203, Invalid=1129, Unknown=0, NotChecked=0, Total=1332 [2018-04-12 02:51:25,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-12 02:51:25,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-12 02:51:25,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-12 02:51:25,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-12 02:51:25,483 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 44 [2018-04-12 02:51:25,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:25,484 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-12 02:51:25,484 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-04-12 02:51:25,484 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-12 02:51:25,484 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-12 02:51:25,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.04 02:51:25 BoogieIcfgContainer [2018-04-12 02:51:25,487 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-12 02:51:25,487 INFO L168 Benchmark]: Toolchain (without parser) took 15522.07 ms. Allocated memory was 477.1 MB in the beginning and 994.6 MB in the end (delta: 517.5 MB). Free memory was 411.9 MB in the beginning and 748.8 MB in the end (delta: -336.9 MB). Peak memory consumption was 180.6 MB. Max. memory is 5.3 GB. [2018-04-12 02:51:25,488 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 477.1 MB. Free memory is still 441.1 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-12 02:51:25,488 INFO L168 Benchmark]: CACSL2BoogieTranslator took 278.78 ms. Allocated memory is still 477.1 MB. Free memory was 410.6 MB in the beginning and 381.6 MB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 5.3 GB. [2018-04-12 02:51:25,489 INFO L168 Benchmark]: Boogie Preprocessor took 45.96 ms. Allocated memory is still 477.1 MB. Free memory was 381.6 MB in the beginning and 378.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-12 02:51:25,489 INFO L168 Benchmark]: RCFGBuilder took 414.82 ms. Allocated memory was 477.1 MB in the beginning and 601.9 MB in the end (delta: 124.8 MB). Free memory was 378.9 MB in the beginning and 527.3 MB in the end (delta: -148.3 MB). Peak memory consumption was 34.9 MB. Max. memory is 5.3 GB. [2018-04-12 02:51:25,489 INFO L168 Benchmark]: TraceAbstraction took 14780.01 ms. Allocated memory was 601.9 MB in the beginning and 994.6 MB in the end (delta: 392.7 MB). Free memory was 527.3 MB in the beginning and 748.8 MB in the end (delta: -221.6 MB). Peak memory consumption was 171.1 MB. Max. memory is 5.3 GB. [2018-04-12 02:51:25,490 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 477.1 MB. Free memory is still 441.1 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 278.78 ms. Allocated memory is still 477.1 MB. Free memory was 410.6 MB in the beginning and 381.6 MB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 45.96 ms. Allocated memory is still 477.1 MB. Free memory was 381.6 MB in the beginning and 378.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 414.82 ms. Allocated memory was 477.1 MB in the beginning and 601.9 MB in the end (delta: 124.8 MB). Free memory was 378.9 MB in the beginning and 527.3 MB in the end (delta: -148.3 MB). Peak memory consumption was 34.9 MB. Max. memory is 5.3 GB. * TraceAbstraction took 14780.01 ms. Allocated memory was 601.9 MB in the beginning and 994.6 MB in the end (delta: 392.7 MB). Free memory was 527.3 MB in the beginning and 748.8 MB in the end (delta: -221.6 MB). Peak memory consumption was 171.1 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 555]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 555]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 572]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 571]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 572]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 560]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 571]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 13 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 61 locations, 13 error locations. SAFE Result, 14.7s OverallTime, 38 OverallIterations, 4 TraceHistogramMax, 8.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1302 SDtfs, 2216 SDslu, 6945 SDs, 0 SdLazy, 7245 SolverSat, 442 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 673 GetRequests, 55 SyntacticMatches, 2 SemanticMatches, 616 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2038 ImplicationChecksByTransitivity, 8.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 40/279 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, 38 MinimizatonAttempts, 300 StatesRemovedByMinimization, 25 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 5.7s InterpolantComputationTime, 1103 NumberOfCodeBlocks, 1103 NumberOfCodeBlocksAsserted, 38 NumberOfCheckSat, 1065 ConstructedInterpolants, 0 QuantifiedInterpolants, 390847 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 38 InterpolantComputations, 19 PerfectInterpolantSequences, 40/279 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_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-12_02-51-25-494.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-12_02-51-25-494.csv Received shutdown request...