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_cstpcpy-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-11 09:59:59,135 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 09:59:59,136 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 09:59:59,148 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 09:59:59,149 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 09:59:59,149 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 09:59:59,150 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 09:59:59,151 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 09:59:59,153 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 09:59:59,153 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 09:59:59,153 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 09:59:59,154 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 09:59:59,154 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 09:59:59,155 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 09:59:59,155 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 09:59:59,157 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 09:59:59,158 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 09:59:59,160 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 09:59:59,161 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 09:59:59,162 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 09:59:59,164 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-04-11 09:59:59,170 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-11 09:59:59,171 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-11 09:59:59,171 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 [2018-04-11 09:59:59,193 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 09:59:59,193 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 09:59:59,194 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-11 09:59:59,195 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-11 09:59:59,195 INFO L133 SettingsManager]: * Use SBE=true [2018-04-11 09:59:59,195 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 09:59:59,195 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 09:59:59,195 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 09:59:59,196 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 09:59:59,196 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 09:59:59,196 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 09:59:59,196 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 09:59:59,196 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-11 09:59:59,197 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 09:59:59,197 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 09:59:59,197 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 09:59:59,197 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-11 09:59:59,197 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-11 09:59:59,198 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 09:59:59,198 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 09:59:59,198 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 09:59:59,198 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-11 09:59:59,198 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-11 09:59:59,199 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-11 09:59:59,231 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 09:59:59,242 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 09:59:59,246 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 09:59:59,247 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 09:59:59,248 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 09:59:59,248 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,538 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG3726cb938 [2018-04-11 09:59:59,692 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 09:59:59,693 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 09:59:59,693 INFO L168 CDTParser]: Scanning openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,700 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 09:59:59,701 INFO L215 ultiparseSymbolTable]: [2018-04-11 09:59:59,701 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 09:59:59,701 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy ('cstpcpy') in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,701 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____bswap_64 ('__bswap_64') in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,701 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,701 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____bswap_32 ('__bswap_32') in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,701 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 09:59:59,701 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____u_char in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,701 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__pthread_key_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,702 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____off64_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,702 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____blksize_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,702 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__blksize_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,702 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____qaddr_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,702 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__u_quad_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,702 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__int16_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,702 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____dev_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,702 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____fsblkcnt_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,702 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__uid_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,702 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__lldiv_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,702 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____caddr_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,702 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__fd_set in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,702 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____u_long in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,702 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__div_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,703 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__u_char in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,703 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__time_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,703 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__ulong in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,703 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__caddr_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,703 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____pthread_list_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,703 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__pthread_barrierattr_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,703 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__blkcnt_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,703 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__pthread_rwlock_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,703 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__sigset_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,703 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____uint32_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,703 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____int16_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,703 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____intptr_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,703 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____u_quad_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,703 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____gid_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,703 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__size_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,704 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____ssize_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,704 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__pthread_mutexattr_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,704 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____quad_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,704 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____pid_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,704 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____ino64_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,704 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__key_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,704 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____socklen_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,704 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__int32_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,704 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____rlim_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,704 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,705 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____blkcnt64_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,705 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____off_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,705 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__pthread_barrier_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,705 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__fd_mask in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,705 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__fsfilcnt_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,705 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____int32_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,705 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____nlink_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,705 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____suseconds_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,705 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__timer_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,705 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__u_int32_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,706 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__clockid_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,706 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__u_int8_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,706 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__u_int in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,706 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__pthread_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,706 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____id_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,706 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____syscall_ulong_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,706 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____timer_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,706 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__fsblkcnt_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,706 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____sig_atomic_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,706 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____int64_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,707 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__pthread_attr_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,707 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____uid_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,707 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____fd_mask in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,707 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__nlink_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,707 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____fsblkcnt64_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,707 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__uint in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,707 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__wchar_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,707 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____useconds_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,707 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__loff_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,707 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__ssize_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,707 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____uint64_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,708 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____fsword_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,708 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__pthread_spinlock_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,708 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__u_int16_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,708 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__register_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,708 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__quad_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,708 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__off_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,708 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____u_int in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,708 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__u_short in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,708 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____clockid_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,708 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____sigset_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,708 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__pthread_cond_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,709 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____blkcnt_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,709 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__id_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,709 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__pthread_once_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,709 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__dev_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,709 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__u_long in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,709 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____mode_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,709 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____fsid_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,709 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____syscall_slong_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,709 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____ino_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,709 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____time_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,709 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__int8_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,709 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____u_short in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,709 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__u_int64_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,709 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__pthread_mutex_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,709 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____fsfilcnt64_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,709 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__clock_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,709 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__suseconds_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,710 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__ushort in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,710 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__gid_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,710 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__ldiv_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,710 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__ino_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,710 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__pid_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,710 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____clock_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,710 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____uint8_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,710 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____daddr_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,710 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____key_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,710 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__mode_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,710 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__fsid_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,711 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____int8_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,711 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__int64_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,711 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____loff_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,711 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__daddr_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,711 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____rlim64_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,711 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____fsfilcnt_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,711 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____uint16_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,711 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____WAIT_STATUS in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,711 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__pthread_condattr_t in openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:59,724 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG3726cb938 [2018-04-11 09:59:59,734 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 09:59:59,736 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 09:59:59,737 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 09:59:59,737 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 09:59:59,742 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 09:59:59,743 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 09:59:59" (1/1) ... [2018-04-11 09:59:59,745 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c292c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:59:59, skipping insertion in model container [2018-04-11 09:59:59,745 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 09:59:59" (1/1) ... [2018-04-11 09:59:59,760 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 09:59:59,782 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 09:59:59,909 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 09:59:59,938 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 09:59:59,944 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-11 09:59:59,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:59:59 WrapperNode [2018-04-11 09:59:59,979 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 09:59:59,980 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 09:59:59,980 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 09:59:59,980 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 09:59:59,990 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:59:59" (1/1) ... [2018-04-11 09:59:59,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:59:59" (1/1) ... [2018-04-11 09:59:59,999 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:59:59" (1/1) ... [2018-04-11 09:59:59,999 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:59:59" (1/1) ... [2018-04-11 10:00:00,006 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:59:59" (1/1) ... [2018-04-11 10:00:00,010 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:59:59" (1/1) ... [2018-04-11 10:00:00,012 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:59:59" (1/1) ... [2018-04-11 10:00:00,015 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 10:00:00,016 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 10:00:00,016 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 10:00:00,016 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 10:00:00,017 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:59:59" (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 [2018-04-11 10:00:00,105 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 10:00:00,106 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 10:00:00,106 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-11 10:00:00,106 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-11 10:00:00,106 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy [2018-04-11 10:00:00,106 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 10:00:00,106 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-11 10:00:00,107 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-11 10:00:00,107 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 10:00:00,107 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 10:00:00,107 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 10:00:00,107 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 10:00:00,107 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 10:00:00,107 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 10:00:00,107 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 10:00:00,108 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 10:00:00,108 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 10:00:00,108 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 10:00:00,108 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 10:00:00,108 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 10:00:00,108 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 10:00:00,108 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 10:00:00,108 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 10:00:00,108 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 10:00:00,109 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 10:00:00,109 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 10:00:00,109 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 10:00:00,109 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 10:00:00,109 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 10:00:00,109 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 10:00:00,109 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 10:00:00,109 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 10:00:00,109 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 10:00:00,110 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 10:00:00,110 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 10:00:00,110 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 10:00:00,110 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 10:00:00,110 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 10:00:00,110 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 10:00:00,110 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 10:00:00,110 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 10:00:00,110 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 10:00:00,111 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 10:00:00,111 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 10:00:00,111 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 10:00:00,111 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 10:00:00,111 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 10:00:00,111 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 10:00:00,111 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 10:00:00,111 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 10:00:00,111 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 10:00:00,112 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 10:00:00,112 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 10:00:00,112 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 10:00:00,112 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 10:00:00,112 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 10:00:00,112 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 10:00:00,112 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 10:00:00,112 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 10:00:00,112 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 10:00:00,112 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 10:00:00,113 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 10:00:00,113 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 10:00:00,113 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 10:00:00,113 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 10:00:00,113 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 10:00:00,113 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 10:00:00,113 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 10:00:00,113 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 10:00:00,113 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-11 10:00:00,113 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 10:00:00,114 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 10:00:00,114 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 10:00:00,114 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 10:00:00,114 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 10:00:00,114 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 10:00:00,114 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 10:00:00,115 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 10:00:00,115 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 10:00:00,115 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 10:00:00,115 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 10:00:00,115 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 10:00:00,115 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 10:00:00,115 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 10:00:00,115 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 10:00:00,115 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 10:00:00,115 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 10:00:00,116 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 10:00:00,116 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 10:00:00,116 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 10:00:00,116 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 10:00:00,116 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 10:00:00,116 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 10:00:00,116 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 10:00:00,116 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 10:00:00,116 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 10:00:00,116 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 10:00:00,117 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 10:00:00,117 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 10:00:00,117 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 10:00:00,117 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 10:00:00,117 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 10:00:00,117 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 10:00:00,117 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 10:00:00,117 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 10:00:00,117 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 10:00:00,118 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 10:00:00,118 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 10:00:00,118 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-11 10:00:00,118 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpy [2018-04-11 10:00:00,118 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-11 10:00:00,118 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-11 10:00:00,118 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 10:00:00,118 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 10:00:00,118 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 10:00:00,118 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 10:00:00,119 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 10:00:00,119 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-11 10:00:00,389 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 10:00:00,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 10:00:00 BoogieIcfgContainer [2018-04-11 10:00:00,390 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 10:00:00,390 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 10:00:00,390 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 10:00:00,392 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 10:00:00,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 09:59:59" (1/3) ... [2018-04-11 10:00:00,393 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f7a8771 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 10:00:00, skipping insertion in model container [2018-04-11 10:00:00,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:59:59" (2/3) ... [2018-04-11 10:00:00,393 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f7a8771 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 10:00:00, skipping insertion in model container [2018-04-11 10:00:00,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 10:00:00" (3/3) ... [2018-04-11 10:00:00,394 INFO L107 eAbstractionObserver]: Analyzing ICFG openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:00:00,402 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-11 10:00:00,407 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2018-04-11 10:00:00,435 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 10:00:00,435 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 10:00:00,435 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-11 10:00:00,435 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-11 10:00:00,436 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-11 10:00:00,436 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 10:00:00,436 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 10:00:00,436 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 10:00:00,436 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 10:00:00,436 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 10:00:00,445 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states. [2018-04-11 10:00:00,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-04-11 10:00:00,451 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 10:00:00,452 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 10:00:00,452 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr2RequiresViolation]=== [2018-04-11 10:00:00,455 INFO L82 PathProgramCache]: Analyzing trace with hash -449322580, now seen corresponding path program 1 times [2018-04-11 10:00:00,456 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 10:00:00,456 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 10:00:00,486 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:00:00,487 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 10:00:00,487 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:00:00,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 10:00:00,528 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 10:00:00,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 10:00:00,568 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 10:00:00,569 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 10:00:00,570 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 10:00:00,579 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 10:00:00,579 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 10:00:00,581 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 4 states. [2018-04-11 10:00:00,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 10:00:00,651 INFO L93 Difference]: Finished difference Result 44 states and 47 transitions. [2018-04-11 10:00:00,652 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 10:00:00,653 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2018-04-11 10:00:00,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 10:00:00,664 INFO L225 Difference]: With dead ends: 44 [2018-04-11 10:00:00,664 INFO L226 Difference]: Without dead ends: 40 [2018-04-11 10:00:00,665 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 [2018-04-11 10:00:00,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-04-11 10:00:00,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 38. [2018-04-11 10:00:00,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-04-11 10:00:00,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 41 transitions. [2018-04-11 10:00:00,691 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 41 transitions. Word has length 10 [2018-04-11 10:00:00,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 10:00:00,691 INFO L459 AbstractCegarLoop]: Abstraction has 38 states and 41 transitions. [2018-04-11 10:00:00,692 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 10:00:00,692 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 41 transitions. [2018-04-11 10:00:00,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-04-11 10:00:00,692 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 10:00:00,692 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 10:00:00,692 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr2RequiresViolation]=== [2018-04-11 10:00:00,693 INFO L82 PathProgramCache]: Analyzing trace with hash -449320658, now seen corresponding path program 1 times [2018-04-11 10:00:00,693 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 10:00:00,693 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 10:00:00,694 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:00:00,694 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 10:00:00,694 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:00:00,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 10:00:00,702 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 10:00:00,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 10:00:00,719 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 10:00:00,719 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-04-11 10:00:00,720 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-11 10:00:00,720 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-11 10:00:00,720 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 10:00:00,720 INFO L87 Difference]: Start difference. First operand 38 states and 41 transitions. Second operand 3 states. [2018-04-11 10:00:00,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 10:00:00,752 INFO L93 Difference]: Finished difference Result 39 states and 41 transitions. [2018-04-11 10:00:00,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-11 10:00:00,753 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-04-11 10:00:00,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 10:00:00,755 INFO L225 Difference]: With dead ends: 39 [2018-04-11 10:00:00,755 INFO L226 Difference]: Without dead ends: 38 [2018-04-11 10:00:00,755 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 10:00:00,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-04-11 10:00:00,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 37. [2018-04-11 10:00:00,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-04-11 10:00:00,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 39 transitions. [2018-04-11 10:00:00,760 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 39 transitions. Word has length 10 [2018-04-11 10:00:00,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 10:00:00,760 INFO L459 AbstractCegarLoop]: Abstraction has 37 states and 39 transitions. [2018-04-11 10:00:00,760 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-11 10:00:00,760 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 39 transitions. [2018-04-11 10:00:00,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-11 10:00:00,761 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 10:00:00,761 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 10:00:00,761 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr2RequiresViolation]=== [2018-04-11 10:00:00,761 INFO L82 PathProgramCache]: Analyzing trace with hash -556014976, now seen corresponding path program 1 times [2018-04-11 10:00:00,761 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 10:00:00,761 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 10:00:00,762 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:00:00,762 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 10:00:00,762 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:00:00,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 10:00:00,776 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 10:00:00,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 10:00:00,814 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 10:00:00,814 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 10:00:00,814 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 10:00:00,814 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 10:00:00,814 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 10:00:00,814 INFO L87 Difference]: Start difference. First operand 37 states and 39 transitions. Second operand 4 states. [2018-04-11 10:00:00,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 10:00:00,857 INFO L93 Difference]: Finished difference Result 36 states and 38 transitions. [2018-04-11 10:00:00,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 10:00:00,858 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-04-11 10:00:00,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 10:00:00,858 INFO L225 Difference]: With dead ends: 36 [2018-04-11 10:00:00,858 INFO L226 Difference]: Without dead ends: 36 [2018-04-11 10:00:00,858 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 [2018-04-11 10:00:00,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-04-11 10:00:00,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2018-04-11 10:00:00,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-04-11 10:00:00,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 38 transitions. [2018-04-11 10:00:00,860 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 38 transitions. Word has length 14 [2018-04-11 10:00:00,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 10:00:00,861 INFO L459 AbstractCegarLoop]: Abstraction has 36 states and 38 transitions. [2018-04-11 10:00:00,861 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 10:00:00,861 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2018-04-11 10:00:00,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-11 10:00:00,861 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 10:00:00,861 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 10:00:00,861 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr2RequiresViolation]=== [2018-04-11 10:00:00,861 INFO L82 PathProgramCache]: Analyzing trace with hash -556014975, now seen corresponding path program 1 times [2018-04-11 10:00:00,862 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 10:00:00,862 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 10:00:00,862 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:00:00,863 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 10:00:00,863 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:00:00,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 10:00:00,873 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 10:00:00,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 10:00:00,923 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 10:00:00,923 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 10:00:00,924 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 10:00:00,924 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 10:00:00,924 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 10:00:00,924 INFO L87 Difference]: Start difference. First operand 36 states and 38 transitions. Second operand 5 states. [2018-04-11 10:00:00,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 10:00:00,947 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2018-04-11 10:00:00,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 10:00:00,947 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-04-11 10:00:00,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 10:00:00,947 INFO L225 Difference]: With dead ends: 35 [2018-04-11 10:00:00,947 INFO L226 Difference]: Without dead ends: 35 [2018-04-11 10:00:00,948 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 [2018-04-11 10:00:00,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-04-11 10:00:00,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-04-11 10:00:00,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-04-11 10:00:00,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 37 transitions. [2018-04-11 10:00:00,950 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 37 transitions. Word has length 14 [2018-04-11 10:00:00,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 10:00:00,950 INFO L459 AbstractCegarLoop]: Abstraction has 35 states and 37 transitions. [2018-04-11 10:00:00,950 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 10:00:00,950 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 37 transitions. [2018-04-11 10:00:00,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-11 10:00:00,950 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 10:00:00,950 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 10:00:00,950 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr2RequiresViolation]=== [2018-04-11 10:00:00,950 INFO L82 PathProgramCache]: Analyzing trace with hash 1899342595, now seen corresponding path program 1 times [2018-04-11 10:00:00,951 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 10:00:00,951 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 10:00:00,951 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:00:00,951 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 10:00:00,951 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:00:00,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 10:00:00,959 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 10:00:00,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 10:00:00,982 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 10:00:00,982 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 10:00:00,983 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 10:00:00,983 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 10:00:00,983 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 10:00:00,983 INFO L87 Difference]: Start difference. First operand 35 states and 37 transitions. Second operand 5 states. [2018-04-11 10:00:01,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 10:00:01,052 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2018-04-11 10:00:01,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 10:00:01,053 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-04-11 10:00:01,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 10:00:01,053 INFO L225 Difference]: With dead ends: 34 [2018-04-11 10:00:01,054 INFO L226 Difference]: Without dead ends: 34 [2018-04-11 10:00:01,054 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 [2018-04-11 10:00:01,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-04-11 10:00:01,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2018-04-11 10:00:01,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-04-11 10:00:01,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 36 transitions. [2018-04-11 10:00:01,059 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 36 transitions. Word has length 18 [2018-04-11 10:00:01,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 10:00:01,059 INFO L459 AbstractCegarLoop]: Abstraction has 34 states and 36 transitions. [2018-04-11 10:00:01,060 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 10:00:01,060 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2018-04-11 10:00:01,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-11 10:00:01,060 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 10:00:01,060 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 10:00:01,060 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr2RequiresViolation]=== [2018-04-11 10:00:01,061 INFO L82 PathProgramCache]: Analyzing trace with hash 1899342596, now seen corresponding path program 1 times [2018-04-11 10:00:01,061 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 10:00:01,061 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 10:00:01,062 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:00:01,062 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 10:00:01,062 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:00:01,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 10:00:01,078 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 10:00:01,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 10:00:01,165 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 10:00:01,165 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-11 10:00:01,165 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-11 10:00:01,166 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-11 10:00:01,166 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-04-11 10:00:01,166 INFO L87 Difference]: Start difference. First operand 34 states and 36 transitions. Second operand 8 states. [2018-04-11 10:00:01,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 10:00:01,227 INFO L93 Difference]: Finished difference Result 44 states and 47 transitions. [2018-04-11 10:00:01,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-11 10:00:01,227 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2018-04-11 10:00:01,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 10:00:01,229 INFO L225 Difference]: With dead ends: 44 [2018-04-11 10:00:01,229 INFO L226 Difference]: Without dead ends: 44 [2018-04-11 10:00:01,230 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 [2018-04-11 10:00:01,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-04-11 10:00:01,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 36. [2018-04-11 10:00:01,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-04-11 10:00:01,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 38 transitions. [2018-04-11 10:00:01,232 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 38 transitions. Word has length 18 [2018-04-11 10:00:01,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 10:00:01,232 INFO L459 AbstractCegarLoop]: Abstraction has 36 states and 38 transitions. [2018-04-11 10:00:01,232 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-11 10:00:01,232 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2018-04-11 10:00:01,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-11 10:00:01,232 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 10:00:01,232 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 10:00:01,232 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr2RequiresViolation]=== [2018-04-11 10:00:01,232 INFO L82 PathProgramCache]: Analyzing trace with hash -1249921719, now seen corresponding path program 1 times [2018-04-11 10:00:01,233 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 10:00:01,233 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 10:00:01,233 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:00:01,233 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 10:00:01,233 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:00:01,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 10:00:01,256 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 10:00:01,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 10:00:01,308 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 10:00:01,308 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-11 10:00:01,308 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-11 10:00:01,309 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-11 10:00:01,309 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-04-11 10:00:01,309 INFO L87 Difference]: Start difference. First operand 36 states and 38 transitions. Second operand 8 states. [2018-04-11 10:00:01,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 10:00:01,405 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2018-04-11 10:00:01,406 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 10:00:01,406 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 19 [2018-04-11 10:00:01,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 10:00:01,406 INFO L225 Difference]: With dead ends: 35 [2018-04-11 10:00:01,406 INFO L226 Difference]: Without dead ends: 35 [2018-04-11 10:00:01,407 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-04-11 10:00:01,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-04-11 10:00:01,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-04-11 10:00:01,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-04-11 10:00:01,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 37 transitions. [2018-04-11 10:00:01,411 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 37 transitions. Word has length 19 [2018-04-11 10:00:01,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 10:00:01,411 INFO L459 AbstractCegarLoop]: Abstraction has 35 states and 37 transitions. [2018-04-11 10:00:01,411 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-11 10:00:01,411 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 37 transitions. [2018-04-11 10:00:01,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-11 10:00:01,412 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 10:00:01,412 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 10:00:01,412 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr2RequiresViolation]=== [2018-04-11 10:00:01,412 INFO L82 PathProgramCache]: Analyzing trace with hash -1249921718, now seen corresponding path program 1 times [2018-04-11 10:00:01,412 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 10:00:01,412 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 10:00:01,413 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:00:01,413 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 10:00:01,413 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:00:01,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 10:00:01,430 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 10:00:01,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 10:00:01,519 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 10:00:01,519 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-11 10:00:01,524 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-11 10:00:01,524 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-11 10:00:01,524 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-04-11 10:00:01,524 INFO L87 Difference]: Start difference. First operand 35 states and 37 transitions. Second operand 8 states. [2018-04-11 10:00:01,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 10:00:01,642 INFO L93 Difference]: Finished difference Result 41 states and 44 transitions. [2018-04-11 10:00:01,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-11 10:00:01,643 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 19 [2018-04-11 10:00:01,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 10:00:01,644 INFO L225 Difference]: With dead ends: 41 [2018-04-11 10:00:01,644 INFO L226 Difference]: Without dead ends: 41 [2018-04-11 10:00:01,644 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-04-11 10:00:01,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-04-11 10:00:01,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 36. [2018-04-11 10:00:01,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-04-11 10:00:01,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 38 transitions. [2018-04-11 10:00:01,647 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 38 transitions. Word has length 19 [2018-04-11 10:00:01,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 10:00:01,647 INFO L459 AbstractCegarLoop]: Abstraction has 36 states and 38 transitions. [2018-04-11 10:00:01,647 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-11 10:00:01,647 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2018-04-11 10:00:01,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-11 10:00:01,647 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 10:00:01,647 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 10:00:01,648 INFO L408 AbstractCegarLoop]: === Iteration 9 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr2RequiresViolation]=== [2018-04-11 10:00:01,648 INFO L82 PathProgramCache]: Analyzing trace with hash -660876371, now seen corresponding path program 1 times [2018-04-11 10:00:01,648 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 10:00:01,648 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 10:00:01,649 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:00:01,649 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 10:00:01,649 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:00:01,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 10:00:01,660 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 10:00:01,775 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 10:00:01,775 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 10:00:01,775 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-04-11 10:00:01,776 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-11 10:00:01,776 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-11 10:00:01,776 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2018-04-11 10:00:01,776 INFO L87 Difference]: Start difference. First operand 36 states and 38 transitions. Second operand 10 states. [2018-04-11 10:00:01,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 10:00:01,859 INFO L93 Difference]: Finished difference Result 58 states and 59 transitions. [2018-04-11 10:00:01,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-11 10:00:01,859 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 23 [2018-04-11 10:00:01,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 10:00:01,860 INFO L225 Difference]: With dead ends: 58 [2018-04-11 10:00:01,860 INFO L226 Difference]: Without dead ends: 58 [2018-04-11 10:00:01,860 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2018-04-11 10:00:01,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-04-11 10:00:01,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 51. [2018-04-11 10:00:01,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-04-11 10:00:01,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 53 transitions. [2018-04-11 10:00:01,863 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 53 transitions. Word has length 23 [2018-04-11 10:00:01,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 10:00:01,863 INFO L459 AbstractCegarLoop]: Abstraction has 51 states and 53 transitions. [2018-04-11 10:00:01,863 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-11 10:00:01,863 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 53 transitions. [2018-04-11 10:00:01,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-11 10:00:01,864 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 10:00:01,864 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 10:00:01,864 INFO L408 AbstractCegarLoop]: === Iteration 10 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr2RequiresViolation]=== [2018-04-11 10:00:01,864 INFO L82 PathProgramCache]: Analyzing trace with hash -1681944725, now seen corresponding path program 1 times [2018-04-11 10:00:01,864 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 10:00:01,864 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 10:00:01,865 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:00:01,865 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 10:00:01,865 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:00:01,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 10:00:01,879 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 10:00:02,061 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 10:00:02,063 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 10:00:02,063 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 [2018-04-11 10:00:02,070 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 10:00:02,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 10:00:02,096 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 10:00:02,165 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 [2018-04-11 10:00:02,183 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 [2018-04-11 10:00:02,184 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 10:00:02,186 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 10:00:02,202 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. [2018-04-11 10:00:02,202 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:21 [2018-04-11 10:00:02,427 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 [2018-04-11 10:00:02,463 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 [2018-04-11 10:00:02,464 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-11 10:00:02,469 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 10:00:02,490 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-11 10:00:02,491 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:34, output treesize:33 [2018-04-11 10:00:02,543 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 10:00:02,563 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 10:00:02,563 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8] total 16 [2018-04-11 10:00:02,563 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-11 10:00:02,563 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-11 10:00:02,563 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2018-04-11 10:00:02,564 INFO L87 Difference]: Start difference. First operand 51 states and 53 transitions. Second operand 17 states. [2018-04-11 10:00:02,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 10:00:03,000 INFO L93 Difference]: Finished difference Result 65 states and 69 transitions. [2018-04-11 10:00:03,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-11 10:00:03,000 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 23 [2018-04-11 10:00:03,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 10:00:03,001 INFO L225 Difference]: With dead ends: 65 [2018-04-11 10:00:03,001 INFO L226 Difference]: Without dead ends: 65 [2018-04-11 10:00:03,002 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=84, Invalid=422, Unknown=0, NotChecked=0, Total=506 [2018-04-11 10:00:03,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-04-11 10:00:03,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 55. [2018-04-11 10:00:03,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-04-11 10:00:03,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 58 transitions. [2018-04-11 10:00:03,006 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 58 transitions. Word has length 23 [2018-04-11 10:00:03,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 10:00:03,007 INFO L459 AbstractCegarLoop]: Abstraction has 55 states and 58 transitions. [2018-04-11 10:00:03,007 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-11 10:00:03,007 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 58 transitions. [2018-04-11 10:00:03,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-11 10:00:03,008 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 10:00:03,008 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 10:00:03,008 INFO L408 AbstractCegarLoop]: === Iteration 11 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr2RequiresViolation]=== [2018-04-11 10:00:03,011 INFO L82 PathProgramCache]: Analyzing trace with hash -600678973, now seen corresponding path program 1 times [2018-04-11 10:00:03,011 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 10:00:03,011 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 10:00:03,012 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:00:03,012 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 10:00:03,012 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:00:03,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 10:00:03,024 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 10:00:03,187 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 10:00:03,188 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 10:00:03,188 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 [2018-04-11 10:00:03,198 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 10:00:03,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 10:00:03,212 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 10:00:03,216 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 [2018-04-11 10:00:03,216 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 10:00:03,222 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 [2018-04-11 10:00:03,222 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 10:00:03,227 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 10:00:03,227 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:19, output treesize:14 [2018-04-11 10:00:03,250 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 10:00:03,251 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 10:00:03,252 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-11 10:00:03,252 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 10:00:03,257 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-04-11 10:00:03,257 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 10:00:03,261 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 10:00:03,261 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:15 [2018-04-11 10:00:03,440 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 10:00:03,461 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 10:00:03,461 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12] total 21 [2018-04-11 10:00:03,461 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-04-11 10:00:03,461 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-04-11 10:00:03,462 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=413, Unknown=0, NotChecked=0, Total=462 [2018-04-11 10:00:03,462 INFO L87 Difference]: Start difference. First operand 55 states and 58 transitions. Second operand 22 states. [2018-04-11 10:00:03,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 10:00:03,965 INFO L93 Difference]: Finished difference Result 63 states and 67 transitions. [2018-04-11 10:00:03,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-11 10:00:03,966 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 24 [2018-04-11 10:00:03,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 10:00:03,966 INFO L225 Difference]: With dead ends: 63 [2018-04-11 10:00:03,966 INFO L226 Difference]: Without dead ends: 63 [2018-04-11 10:00:03,967 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=152, Invalid=970, Unknown=0, NotChecked=0, Total=1122 [2018-04-11 10:00:03,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-04-11 10:00:03,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 54. [2018-04-11 10:00:03,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-04-11 10:00:03,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 57 transitions. [2018-04-11 10:00:03,969 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 57 transitions. Word has length 24 [2018-04-11 10:00:03,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 10:00:03,969 INFO L459 AbstractCegarLoop]: Abstraction has 54 states and 57 transitions. [2018-04-11 10:00:03,969 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-04-11 10:00:03,970 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 57 transitions. [2018-04-11 10:00:03,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-11 10:00:03,970 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 10:00:03,970 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 10:00:03,970 INFO L408 AbstractCegarLoop]: === Iteration 12 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr2RequiresViolation]=== [2018-04-11 10:00:03,970 INFO L82 PathProgramCache]: Analyzing trace with hash -1671194714, now seen corresponding path program 2 times [2018-04-11 10:00:03,970 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 10:00:03,970 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 10:00:03,971 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:00:03,971 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 10:00:03,971 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:00:03,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 10:00:03,983 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 10:00:04,350 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 10:00:04,350 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 10:00:04,350 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 [2018-04-11 10:00:04,355 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-11 10:00:04,369 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-11 10:00:04,369 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-11 10:00:04,371 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 10:00:04,374 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 [2018-04-11 10:00:04,374 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 10:00:04,375 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 10:00:04,375 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-11 10:00:04,378 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 10:00:04,379 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 10:00:04,379 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-11 10:00:04,380 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 10:00:04,384 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 10:00:04,384 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 10:00:04,387 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 10:00:04,387 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:20, output treesize:13 [2018-04-11 10:00:04,415 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-04-11 10:00:04,416 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 [2018-04-11 10:00:04,417 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 10:00:04,418 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 10:00:04,422 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 10:00:04,422 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:27, output treesize:23 [2018-04-11 10:00:04,513 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 25 [2018-04-11 10:00:04,515 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 [2018-04-11 10:00:04,516 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 10:00:04,519 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 10:00:04,525 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 10:00:04,525 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:37, output treesize:26 [2018-04-11 10:00:04,552 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 20 treesize of output 16 [2018-04-11 10:00:04,557 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 16 treesize of output 13 [2018-04-11 10:00:04,557 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-11 10:00:04,560 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 10:00:04,568 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-11 10:00:04,568 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:38, output treesize:49 [2018-04-11 10:00:04,603 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 10:00:04,630 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 10:00:04,630 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 20 [2018-04-11 10:00:04,630 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-11 10:00:04,630 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-11 10:00:04,630 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=373, Unknown=0, NotChecked=0, Total=420 [2018-04-11 10:00:04,631 INFO L87 Difference]: Start difference. First operand 54 states and 57 transitions. Second operand 21 states. [2018-04-11 10:00:05,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 10:00:05,268 INFO L93 Difference]: Finished difference Result 62 states and 66 transitions. [2018-04-11 10:00:05,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-04-11 10:00:05,268 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 28 [2018-04-11 10:00:05,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 10:00:05,269 INFO L225 Difference]: With dead ends: 62 [2018-04-11 10:00:05,269 INFO L226 Difference]: Without dead ends: 62 [2018-04-11 10:00:05,269 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=164, Invalid=1096, Unknown=0, NotChecked=0, Total=1260 [2018-04-11 10:00:05,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-04-11 10:00:05,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 46. [2018-04-11 10:00:05,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-04-11 10:00:05,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 48 transitions. [2018-04-11 10:00:05,275 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 48 transitions. Word has length 28 [2018-04-11 10:00:05,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 10:00:05,275 INFO L459 AbstractCegarLoop]: Abstraction has 46 states and 48 transitions. [2018-04-11 10:00:05,275 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-11 10:00:05,275 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 48 transitions. [2018-04-11 10:00:05,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-04-11 10:00:05,276 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 10:00:05,276 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 10:00:05,276 INFO L408 AbstractCegarLoop]: === Iteration 13 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstpcpy_alloca_true_valid_memsafety_true_termination_i__cstpcpyErr2RequiresViolation]=== [2018-04-11 10:00:05,276 INFO L82 PathProgramCache]: Analyzing trace with hash -549923555, now seen corresponding path program 1 times [2018-04-11 10:00:05,276 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 10:00:05,276 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 10:00:05,277 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:00:05,277 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-11 10:00:05,277 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:00:05,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 10:00:05,285 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 10:00:05,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 10:00:05,354 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 10:00:05,354 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 10:00:05,355 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 10:00:05,355 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 10:00:05,355 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-11 10:00:05,355 INFO L87 Difference]: Start difference. First operand 46 states and 48 transitions. Second operand 6 states. [2018-04-11 10:00:05,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 10:00:05,418 INFO L93 Difference]: Finished difference Result 45 states and 47 transitions. [2018-04-11 10:00:05,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-11 10:00:05,418 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 29 [2018-04-11 10:00:05,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 10:00:05,419 INFO L225 Difference]: With dead ends: 45 [2018-04-11 10:00:05,419 INFO L226 Difference]: Without dead ends: 0 [2018-04-11 10:00:05,419 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-04-11 10:00:05,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-11 10:00:05,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-11 10:00:05,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-11 10:00:05,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-11 10:00:05,419 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2018-04-11 10:00:05,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 10:00:05,419 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-11 10:00:05,419 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 10:00:05,419 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-11 10:00:05,419 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-11 10:00:05,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.04 10:00:05 BoogieIcfgContainer [2018-04-11 10:00:05,422 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-11 10:00:05,423 INFO L168 Benchmark]: Toolchain (without parser) took 5687.96 ms. Allocated memory was 383.8 MB in the beginning and 719.8 MB in the end (delta: 336.1 MB). Free memory was 317.4 MB in the beginning and 636.4 MB in the end (delta: -319.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 5.3 GB. [2018-04-11 10:00:05,424 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 383.8 MB. Free memory is still 344.2 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 10:00:05,424 INFO L168 Benchmark]: CACSL2BoogieTranslator took 242.72 ms. Allocated memory is still 383.8 MB. Free memory was 316.1 MB in the beginning and 292.3 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 5.3 GB. [2018-04-11 10:00:05,424 INFO L168 Benchmark]: Boogie Preprocessor took 35.76 ms. Allocated memory is still 383.8 MB. Free memory was 292.3 MB in the beginning and 290.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. [2018-04-11 10:00:05,424 INFO L168 Benchmark]: RCFGBuilder took 374.11 ms. Allocated memory was 383.8 MB in the beginning and 576.2 MB in the end (delta: 192.4 MB). Free memory was 290.9 MB in the beginning and 512.8 MB in the end (delta: -221.8 MB). Peak memory consumption was 24.5 MB. Max. memory is 5.3 GB. [2018-04-11 10:00:05,424 INFO L168 Benchmark]: TraceAbstraction took 5032.03 ms. Allocated memory was 576.2 MB in the beginning and 719.8 MB in the end (delta: 143.7 MB). Free memory was 512.8 MB in the beginning and 636.4 MB in the end (delta: -123.7 MB). Peak memory consumption was 20.0 MB. Max. memory is 5.3 GB. [2018-04-11 10:00:05,425 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 383.8 MB. Free memory is still 344.2 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 242.72 ms. Allocated memory is still 383.8 MB. Free memory was 316.1 MB in the beginning and 292.3 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 35.76 ms. Allocated memory is still 383.8 MB. Free memory was 292.3 MB in the beginning and 290.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. * RCFGBuilder took 374.11 ms. Allocated memory was 383.8 MB in the beginning and 576.2 MB in the end (delta: 192.4 MB). Free memory was 290.9 MB in the beginning and 512.8 MB in the end (delta: -221.8 MB). Peak memory consumption was 24.5 MB. Max. memory is 5.3 GB. * TraceAbstraction took 5032.03 ms. Allocated memory was 576.2 MB in the beginning and 719.8 MB in the end (delta: 143.7 MB). Free memory was 512.8 MB in the beginning and 636.4 MB in the end (delta: -123.7 MB). Peak memory consumption was 20.0 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 557]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 545]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 557]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 542]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 542]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 542]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 542]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 46 locations, 7 error locations. SAFE Result, 4.9s OverallTime, 13 OverallIterations, 3 TraceHistogramMax, 2.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 362 SDtfs, 494 SDslu, 1402 SDs, 0 SdLazy, 1314 SolverSat, 167 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 217 GetRequests, 68 SyntacticMatches, 2 SemanticMatches, 147 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 422 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=10, 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, 13 MinimizatonAttempts, 58 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 324 NumberOfCodeBlocks, 324 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 308 ConstructedInterpolants, 13 QuantifiedInterpolants, 51992 SizeOfPredicates, 27 NumberOfNonLiveVariables, 345 ConjunctsInSsa, 92 ConjunctsInUnsatCore, 16 InterpolantComputations, 10 PerfectInterpolantSequences, 2/30 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-11_10-00-05-429.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-11_10-00-05-429.csv Received shutdown request...