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_Camel.epf -i ../../../trunk/examples/svcomp/array-memsafety/openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-408c70d-m [2018-04-12 10:25:41,631 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-12 10:25:41,633 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-12 10:25:41,646 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-12 10:25:41,646 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-12 10:25:41,647 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-12 10:25:41,647 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-12 10:25:41,649 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-12 10:25:41,650 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-12 10:25:41,651 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-12 10:25:41,652 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-12 10:25:41,652 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-12 10:25:41,653 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-12 10:25:41,653 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-12 10:25:41,654 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-12 10:25:41,655 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-12 10:25:41,657 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-12 10:25:41,658 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-12 10:25:41,659 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-12 10:25:41,660 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-12 10:25:41,661 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-04-12 10:25:41,665 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-12 10:25:41,666 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-12 10:25:41,666 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf [2018-04-12 10:25:41,675 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-12 10:25:41,675 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-12 10:25:41,676 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-12 10:25:41,676 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-12 10:25:41,676 INFO L133 SettingsManager]: * Use SBE=true [2018-04-12 10:25:41,677 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-12 10:25:41,677 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-12 10:25:41,677 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-12 10:25:41,677 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-12 10:25:41,677 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-12 10:25:41,677 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-12 10:25:41,677 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-12 10:25:41,677 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-12 10:25:41,678 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-12 10:25:41,678 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-12 10:25:41,678 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-12 10:25:41,678 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-12 10:25:41,678 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-12 10:25:41,678 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-12 10:25:41,678 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-12 10:25:41,679 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-12 10:25:41,679 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-12 10:25:41,679 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-12 10:25:41,679 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-12 10:25:41,705 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-12 10:25:41,714 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-12 10:25:41,717 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-12 10:25:41,718 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-12 10:25:41,719 INFO L276 PluginConnector]: CDTParser initialized [2018-04-12 10:25:41,719 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:41,993 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG047251a1d [2018-04-12 10:25:42,157 INFO L287 CDTParser]: IsIndexed: true [2018-04-12 10:25:42,157 INFO L288 CDTParser]: Found 1 translation units. [2018-04-12 10:25:42,157 INFO L168 CDTParser]: Scanning openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,166 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-12 10:25:42,166 INFO L215 ultiparseSymbolTable]: [2018-04-12 10:25:42,166 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-12 10:25:42,166 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,166 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____bswap_32 ('__bswap_32') in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,166 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____bswap_64 ('__bswap_64') in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,166 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen ('cstrnlen') in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,167 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-12 10:25:42,167 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__pthread_rwlock_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,167 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____id_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,167 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____uint32_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,167 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__fd_set in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,167 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____syscall_ulong_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,167 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____caddr_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,167 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__time_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,167 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__pthread_key_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,167 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____dev_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,168 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____fsblkcnt_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,168 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__mode_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,168 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__lldiv_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,168 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__uid_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,168 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__int16_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,168 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____u_short in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,168 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__blkcnt_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,168 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__ulong in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,168 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__u_char in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,168 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__size_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,168 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____int16_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,168 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__div_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,169 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____u_long in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,169 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____mode_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,169 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__blksize_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,169 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__caddr_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,169 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__sigset_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,169 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____socklen_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,169 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__int32_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,169 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__fsfilcnt_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,169 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____off_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,169 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____quad_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,169 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,169 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____blkcnt64_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,169 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____intptr_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,169 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____u_quad_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,170 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__pthread_barrier_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,170 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__off_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,170 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__timer_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,170 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____ssize_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,170 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__key_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,170 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____nlink_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,170 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____pthread_list_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,170 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__u_int in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,170 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____rlim_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,170 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____fsblkcnt64_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,171 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__u_int32_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,171 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____int32_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,171 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____off64_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,171 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____suseconds_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,171 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____u_char in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,171 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__fsblkcnt_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,171 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____timer_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,171 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____gid_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,171 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____pid_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,171 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__pthread_mutexattr_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,172 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__wchar_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,172 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__uint in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,172 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__nlink_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,172 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__loff_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,172 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____fd_mask in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,172 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____useconds_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,172 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__pthread_condattr_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,172 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__u_int8_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,172 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____int64_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,172 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__pthread_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,172 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____sig_atomic_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,173 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__pthread_attr_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,173 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____clockid_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,173 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____u_int in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,173 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__clockid_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,173 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____blkcnt_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,173 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__pthread_cond_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,173 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____sigset_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,173 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__quad_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,173 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__pthread_once_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,173 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____uint64_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,173 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__ssize_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,174 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____fsword_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,174 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__u_int16_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,174 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__fd_mask in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,174 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____uid_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,174 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__dev_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,174 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__u_short in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,174 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__pthread_spinlock_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,174 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____ino64_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,175 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__id_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,175 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____ino_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,175 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__pid_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,175 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__daddr_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,175 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____uint16_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,175 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__ino_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,175 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__clock_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,175 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____fsid_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,175 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____fsfilcnt64_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,175 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__u_int64_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,175 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__int8_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,175 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__ldiv_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,175 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__gid_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,175 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____syscall_slong_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,176 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__u_long in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,176 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____int8_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,176 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__register_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,176 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__suseconds_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,176 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__pthread_barrierattr_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,176 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__int64_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,176 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____loff_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,176 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__fsid_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,176 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__pthread_mutex_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,176 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__u_quad_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,176 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__ushort in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,176 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____clock_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,176 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____time_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,176 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____key_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,176 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____uint8_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,176 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____WAIT_STATUS in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,177 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____rlim64_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,177 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____blksize_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,177 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____qaddr_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,177 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____daddr_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,177 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____fsfilcnt_t in openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,189 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG047251a1d [2018-04-12 10:25:42,193 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-12 10:25:42,194 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-12 10:25:42,194 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-12 10:25:42,194 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-12 10:25:42,198 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-12 10:25:42,198 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 10:25:42" (1/1) ... [2018-04-12 10:25:42,200 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19db0de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:25:42, skipping insertion in model container [2018-04-12 10:25:42,200 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 10:25:42" (1/1) ... [2018-04-12 10:25:42,211 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 10:25:42,233 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 10:25:42,358 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 10:25:42,395 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 10:25:42,401 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-12 10:25:42,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:25:42 WrapperNode [2018-04-12 10:25:42,436 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-12 10:25:42,437 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-12 10:25:42,437 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-12 10:25:42,437 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-12 10:25:42,447 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:25:42" (1/1) ... [2018-04-12 10:25:42,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:25:42" (1/1) ... [2018-04-12 10:25:42,459 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:25:42" (1/1) ... [2018-04-12 10:25:42,460 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:25:42" (1/1) ... [2018-04-12 10:25:42,465 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:25:42" (1/1) ... [2018-04-12 10:25:42,468 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:25:42" (1/1) ... [2018-04-12 10:25:42,470 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:25:42" (1/1) ... [2018-04-12 10:25:42,473 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-12 10:25:42,473 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-12 10:25:42,473 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-12 10:25:42,474 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-12 10:25:42,474 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:25:42" (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 10:25:42,559 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-12 10:25:42,559 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-12 10:25:42,559 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-12 10:25:42,559 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-12 10:25:42,559 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen [2018-04-12 10:25:42,559 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-12 10:25:42,559 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-12 10:25:42,559 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-12 10:25:42,560 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-12 10:25:42,560 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-12 10:25:42,560 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-12 10:25:42,560 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-12 10:25:42,560 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-12 10:25:42,560 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-12 10:25:42,560 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-12 10:25:42,560 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-12 10:25:42,560 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-12 10:25:42,560 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-12 10:25:42,561 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-12 10:25:42,561 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-12 10:25:42,561 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-12 10:25:42,561 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-12 10:25:42,561 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-12 10:25:42,561 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-12 10:25:42,561 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-12 10:25:42,561 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-12 10:25:42,561 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-12 10:25:42,562 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-12 10:25:42,562 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-12 10:25:42,562 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-12 10:25:42,562 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-12 10:25:42,562 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-12 10:25:42,562 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-12 10:25:42,562 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-12 10:25:42,562 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-12 10:25:42,563 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-12 10:25:42,563 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-12 10:25:42,563 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-12 10:25:42,563 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-12 10:25:42,563 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-12 10:25:42,563 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-12 10:25:42,563 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-12 10:25:42,563 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-12 10:25:42,563 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-12 10:25:42,563 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-12 10:25:42,564 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-12 10:25:42,564 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-12 10:25:42,564 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-12 10:25:42,564 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-12 10:25:42,564 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-12 10:25:42,564 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-12 10:25:42,564 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-12 10:25:42,564 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-12 10:25:42,564 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-12 10:25:42,564 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-12 10:25:42,565 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-12 10:25:42,565 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-12 10:25:42,565 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-12 10:25:42,565 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-12 10:25:42,565 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-12 10:25:42,565 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-12 10:25:42,565 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-12 10:25:42,565 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-12 10:25:42,565 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-12 10:25:42,565 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-12 10:25:42,566 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-12 10:25:42,566 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-12 10:25:42,566 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-12 10:25:42,566 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-12 10:25:42,566 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-12 10:25:42,566 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-12 10:25:42,566 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-12 10:25:42,566 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-12 10:25:42,566 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-12 10:25:42,566 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-12 10:25:42,567 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-12 10:25:42,567 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-12 10:25:42,567 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-12 10:25:42,567 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-12 10:25:42,567 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-12 10:25:42,567 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-12 10:25:42,567 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-12 10:25:42,567 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-12 10:25:42,567 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-12 10:25:42,567 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-12 10:25:42,568 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-12 10:25:42,568 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-12 10:25:42,568 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-12 10:25:42,568 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-12 10:25:42,568 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-12 10:25:42,568 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-12 10:25:42,568 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-12 10:25:42,568 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-12 10:25:42,568 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-12 10:25:42,568 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-12 10:25:42,568 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-12 10:25:42,569 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-12 10:25:42,569 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-12 10:25:42,569 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-12 10:25:42,569 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-12 10:25:42,569 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-12 10:25:42,569 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-12 10:25:42,569 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-12 10:25:42,569 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-12 10:25:42,569 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-12 10:25:42,569 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-12 10:25:42,570 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-12 10:25:42,570 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-12 10:25:42,570 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-12 10:25:42,570 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlen [2018-04-12 10:25:42,570 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-12 10:25:42,570 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-12 10:25:42,570 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-12 10:25:42,570 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-12 10:25:42,570 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-12 10:25:42,570 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-12 10:25:42,572 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-12 10:25:42,573 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-12 10:25:42,788 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-12 10:25:42,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 10:25:42 BoogieIcfgContainer [2018-04-12 10:25:42,789 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-12 10:25:42,789 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-12 10:25:42,789 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-12 10:25:42,791 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-12 10:25:42,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.04 10:25:42" (1/3) ... [2018-04-12 10:25:42,791 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fcec757 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 10:25:42, skipping insertion in model container [2018-04-12 10:25:42,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:25:42" (2/3) ... [2018-04-12 10:25:42,792 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fcec757 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 10:25:42, skipping insertion in model container [2018-04-12 10:25:42,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 10:25:42" (3/3) ... [2018-04-12 10:25:42,793 INFO L107 eAbstractionObserver]: Analyzing ICFG openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:25:42,799 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-12 10:25:42,805 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2018-04-12 10:25:42,836 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-12 10:25:42,836 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-12 10:25:42,836 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-12 10:25:42,836 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-12 10:25:42,836 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-12 10:25:42,837 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-12 10:25:42,837 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-12 10:25:42,837 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-12 10:25:42,837 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-12 10:25:42,837 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-12 10:25:42,847 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states. [2018-04-12 10:25:42,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-04-12 10:25:42,854 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:25:42,855 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:25:42,855 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr1RequiresViolation, __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:25:42,858 INFO L82 PathProgramCache]: Analyzing trace with hash 954163944, now seen corresponding path program 1 times [2018-04-12 10:25:42,860 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:25:42,860 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:25:42,891 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:25:42,891 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:25:42,891 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:25:42,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:25:42,921 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:25:42,959 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 10:25:42,961 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:25:42,961 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 10:25:42,962 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 10:25:42,970 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 10:25:42,971 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 10:25:42,972 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 4 states. [2018-04-12 10:25:43,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:25:43,016 INFO L93 Difference]: Finished difference Result 33 states and 36 transitions. [2018-04-12 10:25:43,016 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-12 10:25:43,017 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2018-04-12 10:25:43,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:25:43,024 INFO L225 Difference]: With dead ends: 33 [2018-04-12 10:25:43,024 INFO L226 Difference]: Without dead ends: 30 [2018-04-12 10:25:43,026 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 10:25:43,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2018-04-12 10:25:43,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2018-04-12 10:25:43,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-04-12 10:25:43,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions. [2018-04-12 10:25:43,047 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 11 [2018-04-12 10:25:43,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:25:43,047 INFO L459 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions. [2018-04-12 10:25:43,048 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 10:25:43,048 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2018-04-12 10:25:43,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-04-12 10:25:43,048 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:25:43,048 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:25:43,048 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr1RequiresViolation, __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:25:43,048 INFO L82 PathProgramCache]: Analyzing trace with hash 954163945, now seen corresponding path program 1 times [2018-04-12 10:25:43,048 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:25:43,048 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:25:43,049 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:25:43,049 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:25:43,049 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:25:43,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:25:43,062 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:25:43,107 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 10:25:43,107 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:25:43,108 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 10:25:43,109 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 10:25:43,109 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 10:25:43,109 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 10:25:43,110 INFO L87 Difference]: Start difference. First operand 30 states and 33 transitions. Second operand 5 states. [2018-04-12 10:25:43,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:25:43,142 INFO L93 Difference]: Finished difference Result 29 states and 32 transitions. [2018-04-12 10:25:43,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 10:25:43,143 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2018-04-12 10:25:43,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:25:43,143 INFO L225 Difference]: With dead ends: 29 [2018-04-12 10:25:43,143 INFO L226 Difference]: Without dead ends: 29 [2018-04-12 10:25:43,144 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 10:25:43,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2018-04-12 10:25:43,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2018-04-12 10:25:43,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-04-12 10:25:43,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions. [2018-04-12 10:25:43,146 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 11 [2018-04-12 10:25:43,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:25:43,146 INFO L459 AbstractCegarLoop]: Abstraction has 29 states and 32 transitions. [2018-04-12 10:25:43,146 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 10:25:43,146 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2018-04-12 10:25:43,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-04-12 10:25:43,146 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:25:43,146 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:25:43,147 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr1RequiresViolation, __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:25:43,147 INFO L82 PathProgramCache]: Analyzing trace with hash 1122690971, now seen corresponding path program 1 times [2018-04-12 10:25:43,147 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:25:43,147 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:25:43,147 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:25:43,147 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:25:43,148 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:25:43,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:25:43,158 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:25:43,196 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 10:25:43,196 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:25:43,196 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 10:25:43,197 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 10:25:43,197 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 10:25:43,197 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-12 10:25:43,197 INFO L87 Difference]: Start difference. First operand 29 states and 32 transitions. Second operand 5 states. [2018-04-12 10:25:43,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:25:43,225 INFO L93 Difference]: Finished difference Result 28 states and 31 transitions. [2018-04-12 10:25:43,225 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 10:25:43,225 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2018-04-12 10:25:43,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:25:43,225 INFO L225 Difference]: With dead ends: 28 [2018-04-12 10:25:43,225 INFO L226 Difference]: Without dead ends: 28 [2018-04-12 10:25:43,226 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 10:25:43,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2018-04-12 10:25:43,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2018-04-12 10:25:43,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-04-12 10:25:43,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 31 transitions. [2018-04-12 10:25:43,228 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 31 transitions. Word has length 16 [2018-04-12 10:25:43,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:25:43,228 INFO L459 AbstractCegarLoop]: Abstraction has 28 states and 31 transitions. [2018-04-12 10:25:43,228 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 10:25:43,228 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2018-04-12 10:25:43,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-04-12 10:25:43,228 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:25:43,228 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:25:43,228 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr1RequiresViolation, __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:25:43,229 INFO L82 PathProgramCache]: Analyzing trace with hash 1122690972, now seen corresponding path program 1 times [2018-04-12 10:25:43,229 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:25:43,229 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:25:43,229 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:25:43,229 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:25:43,229 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:25:43,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:25:43,240 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:25:43,296 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 10:25:43,296 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:25:43,297 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-12 10:25:43,297 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-12 10:25:43,297 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-12 10:25:43,297 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-04-12 10:25:43,297 INFO L87 Difference]: Start difference. First operand 28 states and 31 transitions. Second operand 8 states. [2018-04-12 10:25:43,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:25:43,356 INFO L93 Difference]: Finished difference Result 37 states and 42 transitions. [2018-04-12 10:25:43,356 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-12 10:25:43,356 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 16 [2018-04-12 10:25:43,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:25:43,360 INFO L225 Difference]: With dead ends: 37 [2018-04-12 10:25:43,360 INFO L226 Difference]: Without dead ends: 37 [2018-04-12 10:25:43,360 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2018-04-12 10:25:43,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-04-12 10:25:43,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 31. [2018-04-12 10:25:43,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-04-12 10:25:43,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 35 transitions. [2018-04-12 10:25:43,362 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 35 transitions. Word has length 16 [2018-04-12 10:25:43,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:25:43,363 INFO L459 AbstractCegarLoop]: Abstraction has 31 states and 35 transitions. [2018-04-12 10:25:43,363 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-12 10:25:43,363 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2018-04-12 10:25:43,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-12 10:25:43,363 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:25:43,363 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:25:43,363 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr1RequiresViolation, __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:25:43,363 INFO L82 PathProgramCache]: Analyzing trace with hash -2005189487, now seen corresponding path program 1 times [2018-04-12 10:25:43,363 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:25:43,364 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:25:43,364 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:25:43,364 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:25:43,364 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:25:43,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:25:43,371 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:25:43,396 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:25:43,397 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:25:43,397 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 10:25:43,397 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-12 10:25:43,397 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-12 10:25:43,397 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-12 10:25:43,397 INFO L87 Difference]: Start difference. First operand 31 states and 35 transitions. Second operand 3 states. [2018-04-12 10:25:43,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:25:43,407 INFO L93 Difference]: Finished difference Result 32 states and 36 transitions. [2018-04-12 10:25:43,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-12 10:25:43,408 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2018-04-12 10:25:43,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:25:43,408 INFO L225 Difference]: With dead ends: 32 [2018-04-12 10:25:43,408 INFO L226 Difference]: Without dead ends: 32 [2018-04-12 10:25:43,408 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-12 10:25:43,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-04-12 10:25:43,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2018-04-12 10:25:43,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-04-12 10:25:43,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 36 transitions. [2018-04-12 10:25:43,410 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 36 transitions. Word has length 20 [2018-04-12 10:25:43,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:25:43,410 INFO L459 AbstractCegarLoop]: Abstraction has 32 states and 36 transitions. [2018-04-12 10:25:43,410 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-12 10:25:43,411 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2018-04-12 10:25:43,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-12 10:25:43,411 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:25:43,411 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:25:43,411 INFO L408 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr1RequiresViolation, __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:25:43,411 INFO L82 PathProgramCache]: Analyzing trace with hash -1858341580, now seen corresponding path program 1 times [2018-04-12 10:25:43,411 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:25:43,411 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:25:43,412 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:25:43,412 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:25:43,412 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:25:43,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:25:43,428 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:25:43,471 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:25:43,472 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 10:25:43,472 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 10:25:43,478 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:25:43,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:25:43,500 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 10:25:43,540 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-12 10:25:43,548 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-12 10:25:43,548 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:25:43,549 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:25:43,550 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:25:43,550 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2018-04-12 10:25:43,579 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-04-12 10:25:43,581 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-04-12 10:25:43,581 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:25:43,582 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:25:43,583 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:25:43,583 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:15, output treesize:3 [2018-04-12 10:25:43,592 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 10:25:43,615 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-04-12 10:25:43,615 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 12 [2018-04-12 10:25:43,616 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-12 10:25:43,616 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-12 10:25:43,616 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-04-12 10:25:43,616 INFO L87 Difference]: Start difference. First operand 32 states and 36 transitions. Second operand 12 states. [2018-04-12 10:25:43,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:25:43,899 INFO L93 Difference]: Finished difference Result 97 states and 103 transitions. [2018-04-12 10:25:43,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-04-12 10:25:43,901 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 22 [2018-04-12 10:25:43,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:25:43,901 INFO L225 Difference]: With dead ends: 97 [2018-04-12 10:25:43,901 INFO L226 Difference]: Without dead ends: 97 [2018-04-12 10:25:43,902 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=137, Invalid=619, Unknown=0, NotChecked=0, Total=756 [2018-04-12 10:25:43,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-04-12 10:25:43,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 63. [2018-04-12 10:25:43,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-04-12 10:25:43,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 71 transitions. [2018-04-12 10:25:43,906 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 71 transitions. Word has length 22 [2018-04-12 10:25:43,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:25:43,906 INFO L459 AbstractCegarLoop]: Abstraction has 63 states and 71 transitions. [2018-04-12 10:25:43,906 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-12 10:25:43,906 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 71 transitions. [2018-04-12 10:25:43,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-12 10:25:43,909 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:25:43,909 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:25:43,909 INFO L408 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr1RequiresViolation, __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:25:43,909 INFO L82 PathProgramCache]: Analyzing trace with hash 135693684, now seen corresponding path program 1 times [2018-04-12 10:25:43,910 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:25:43,910 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:25:43,910 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:25:43,910 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:25:43,910 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:25:43,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:25:43,923 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:25:44,025 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 10:25:44,026 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 10:25:44,026 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 10:25:44,032 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:25:44,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:25:44,043 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 10:25:44,052 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-04-12 10:25:44,054 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-04-12 10:25:44,054 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:25:44,055 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:25:44,059 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 10:25:44,059 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:21 [2018-04-12 10:25:44,135 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2018-04-12 10:25:44,143 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 11 [2018-04-12 10:25:44,144 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-12 10:25:44,147 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 10:25:44,160 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-12 10:25:44,160 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:34, output treesize:33 [2018-04-12 10:25:44,247 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 10:25:44,264 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 10:25:44,264 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 17 [2018-04-12 10:25:44,264 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-12 10:25:44,265 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-12 10:25:44,265 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2018-04-12 10:25:44,265 INFO L87 Difference]: Start difference. First operand 63 states and 71 transitions. Second operand 18 states. [2018-04-12 10:25:44,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:25:44,733 INFO L93 Difference]: Finished difference Result 85 states and 96 transitions. [2018-04-12 10:25:44,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-12 10:25:44,734 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 22 [2018-04-12 10:25:44,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:25:44,734 INFO L225 Difference]: With dead ends: 85 [2018-04-12 10:25:44,734 INFO L226 Difference]: Without dead ends: 85 [2018-04-12 10:25:44,735 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=139, Invalid=673, Unknown=0, NotChecked=0, Total=812 [2018-04-12 10:25:44,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-04-12 10:25:44,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 69. [2018-04-12 10:25:44,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-04-12 10:25:44,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 79 transitions. [2018-04-12 10:25:44,739 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 79 transitions. Word has length 22 [2018-04-12 10:25:44,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:25:44,739 INFO L459 AbstractCegarLoop]: Abstraction has 69 states and 79 transitions. [2018-04-12 10:25:44,739 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-12 10:25:44,739 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 79 transitions. [2018-04-12 10:25:44,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-12 10:25:44,739 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:25:44,739 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:25:44,740 INFO L408 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr1RequiresViolation, __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:25:44,740 INFO L82 PathProgramCache]: Analyzing trace with hash -1449445054, now seen corresponding path program 1 times [2018-04-12 10:25:44,740 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:25:44,740 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:25:44,740 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:25:44,740 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:25:44,741 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:25:44,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:25:44,750 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:25:44,785 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 10:25:44,785 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:25:44,785 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-12 10:25:44,785 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 10:25:44,785 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 10:25:44,785 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-04-12 10:25:44,786 INFO L87 Difference]: Start difference. First operand 69 states and 79 transitions. Second operand 6 states. [2018-04-12 10:25:44,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:25:44,813 INFO L93 Difference]: Finished difference Result 96 states and 105 transitions. [2018-04-12 10:25:44,813 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-12 10:25:44,813 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2018-04-12 10:25:44,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:25:44,814 INFO L225 Difference]: With dead ends: 96 [2018-04-12 10:25:44,814 INFO L226 Difference]: Without dead ends: 92 [2018-04-12 10:25:44,815 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-04-12 10:25:44,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-04-12 10:25:44,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 77. [2018-04-12 10:25:44,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-04-12 10:25:44,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 87 transitions. [2018-04-12 10:25:44,821 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 87 transitions. Word has length 23 [2018-04-12 10:25:44,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:25:44,821 INFO L459 AbstractCegarLoop]: Abstraction has 77 states and 87 transitions. [2018-04-12 10:25:44,821 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 10:25:44,822 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 87 transitions. [2018-04-12 10:25:44,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-12 10:25:44,823 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:25:44,823 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:25:44,823 INFO L408 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr1RequiresViolation, __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:25:44,823 INFO L82 PathProgramCache]: Analyzing trace with hash 1824453888, now seen corresponding path program 1 times [2018-04-12 10:25:44,823 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:25:44,823 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:25:44,824 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:25:44,824 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:25:44,824 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:25:44,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:25:44,833 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:25:44,856 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 10:25:44,857 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:25:44,857 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 10:25:44,857 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 10:25:44,857 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 10:25:44,857 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 10:25:44,857 INFO L87 Difference]: Start difference. First operand 77 states and 87 transitions. Second operand 4 states. [2018-04-12 10:25:44,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:25:44,876 INFO L93 Difference]: Finished difference Result 76 states and 86 transitions. [2018-04-12 10:25:44,876 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 10:25:44,877 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2018-04-12 10:25:44,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:25:44,877 INFO L225 Difference]: With dead ends: 76 [2018-04-12 10:25:44,877 INFO L226 Difference]: Without dead ends: 29 [2018-04-12 10:25:44,877 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 10:25:44,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2018-04-12 10:25:44,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2018-04-12 10:25:44,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-04-12 10:25:44,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 29 transitions. [2018-04-12 10:25:44,879 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 29 transitions. Word has length 23 [2018-04-12 10:25:44,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:25:44,879 INFO L459 AbstractCegarLoop]: Abstraction has 29 states and 29 transitions. [2018-04-12 10:25:44,879 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 10:25:44,879 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 29 transitions. [2018-04-12 10:25:44,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-12 10:25:44,879 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:25:44,879 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:25:44,879 INFO L408 AbstractCegarLoop]: === Iteration 10 === [__U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr1RequiresViolation, __U_MULTI_fopenbsd_cstrnlen_alloca_true_valid_memsafety_true_termination_i__cstrnlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:25:44,880 INFO L82 PathProgramCache]: Analyzing trace with hash 1589629196, now seen corresponding path program 2 times [2018-04-12 10:25:44,880 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:25:44,880 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:25:44,880 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:25:44,880 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:25:44,880 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:25:44,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:25:44,894 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:25:45,081 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 10:25:45,081 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 10:25:45,081 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 10:25:45,086 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-12 10:25:45,107 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-12 10:25:45,107 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 10:25:45,109 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 10:25:45,112 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-12 10:25:45,113 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 10:25:45,116 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:25:45,116 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-12 10:25:45,139 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-04-12 10:25:45,141 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-04-12 10:25:45,141 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:25:45,142 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:25:45,144 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:25:45,145 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:20, output treesize:16 [2018-04-12 10:25:45,198 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-04-12 10:25:45,203 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 12 [2018-04-12 10:25:45,204 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-12 10:25:45,206 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 10:25:45,210 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-12 10:25:45,210 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:29, output treesize:34 [2018-04-12 10:25:45,271 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:25:45,288 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 10:25:45,288 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 18 [2018-04-12 10:25:45,289 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-04-12 10:25:45,289 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-04-12 10:25:45,289 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=299, Unknown=0, NotChecked=0, Total=342 [2018-04-12 10:25:45,289 INFO L87 Difference]: Start difference. First operand 29 states and 29 transitions. Second operand 19 states. [2018-04-12 10:25:45,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:25:45,657 INFO L93 Difference]: Finished difference Result 31 states and 31 transitions. [2018-04-12 10:25:45,658 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-12 10:25:45,658 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 28 [2018-04-12 10:25:45,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:25:45,658 INFO L225 Difference]: With dead ends: 31 [2018-04-12 10:25:45,658 INFO L226 Difference]: Without dead ends: 0 [2018-04-12 10:25:45,659 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 20 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=167, Invalid=763, Unknown=0, NotChecked=0, Total=930 [2018-04-12 10:25:45,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-12 10:25:45,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-12 10:25:45,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-12 10:25:45,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-12 10:25:45,659 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2018-04-12 10:25:45,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:25:45,659 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-12 10:25:45,659 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-04-12 10:25:45,659 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-12 10:25:45,659 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-12 10:25:45,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.04 10:25:45 BoogieIcfgContainer [2018-04-12 10:25:45,662 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-12 10:25:45,662 INFO L168 Benchmark]: Toolchain (without parser) took 3469.36 ms. Allocated memory was 393.2 MB in the beginning and 675.3 MB in the end (delta: 282.1 MB). Free memory was 330.9 MB in the beginning and 623.1 MB in the end (delta: -292.3 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-04-12 10:25:45,663 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 393.2 MB. Free memory is still 354.0 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-12 10:25:45,664 INFO L168 Benchmark]: CACSL2BoogieTranslator took 242.37 ms. Allocated memory is still 393.2 MB. Free memory was 329.5 MB in the beginning and 307.0 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 5.3 GB. [2018-04-12 10:25:45,664 INFO L168 Benchmark]: Boogie Preprocessor took 36.42 ms. Allocated memory is still 393.2 MB. Free memory was 307.0 MB in the beginning and 304.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-12 10:25:45,664 INFO L168 Benchmark]: RCFGBuilder took 315.30 ms. Allocated memory was 393.2 MB in the beginning and 590.9 MB in the end (delta: 197.7 MB). Free memory was 304.3 MB in the beginning and 528.5 MB in the end (delta: -224.2 MB). Peak memory consumption was 24.0 MB. Max. memory is 5.3 GB. [2018-04-12 10:25:45,664 INFO L168 Benchmark]: TraceAbstraction took 2872.87 ms. Allocated memory was 590.9 MB in the beginning and 675.3 MB in the end (delta: 84.4 MB). Free memory was 528.5 MB in the beginning and 623.1 MB in the end (delta: -94.6 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-04-12 10:25:45,666 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 393.2 MB. Free memory is still 354.0 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 242.37 ms. Allocated memory is still 393.2 MB. Free memory was 329.5 MB in the beginning and 307.0 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 36.42 ms. Allocated memory is still 393.2 MB. Free memory was 307.0 MB in the beginning and 304.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 315.30 ms. Allocated memory was 393.2 MB in the beginning and 590.9 MB in the end (delta: 197.7 MB). Free memory was 304.3 MB in the beginning and 528.5 MB in the end (delta: -224.2 MB). Peak memory consumption was 24.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 2872.87 ms. Allocated memory was 590.9 MB in the beginning and 675.3 MB in the end (delta: 84.4 MB). Free memory was 528.5 MB in the beginning and 623.1 MB in the end (delta: -94.6 MB). There was no memory consumed. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 544]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 544]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 558]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 558]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 40 locations, 5 error locations. SAFE Result, 2.8s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 1.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 256 SDtfs, 356 SDslu, 895 SDs, 0 SdLazy, 717 SolverSat, 102 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 177 GetRequests, 64 SyntacticMatches, 2 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 316 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=77occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 10 MinimizatonAttempts, 71 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 264 NumberOfCodeBlocks, 264 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 251 ConstructedInterpolants, 5 QuantifiedInterpolants, 36174 SizeOfPredicates, 25 NumberOfNonLiveVariables, 290 ConjunctsInSsa, 71 ConjunctsInUnsatCore, 13 InterpolantComputations, 8 PerfectInterpolantSequences, 9/38 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-12_10-25-45-674.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-12_10-25-45-674.csv Received shutdown request...