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_cstrncpy-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-11 10:03:46,044 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 10:03:46,045 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 10:03:46,056 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 10:03:46,056 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 10:03:46,057 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 10:03:46,058 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 10:03:46,059 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 10:03:46,061 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 10:03:46,061 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 10:03:46,062 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 10:03:46,062 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 10:03:46,063 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 10:03:46,064 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 10:03:46,064 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 10:03:46,066 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 10:03:46,067 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 10:03:46,069 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 10:03:46,069 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 10:03:46,070 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 10:03:46,072 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-11 10:03:46,072 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-11 10:03:46,072 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-11 10:03:46,073 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-11 10:03:46,074 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-11 10:03:46,074 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-11 10:03:46,075 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-11 10:03:46,075 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-11 10:03:46,076 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-11 10:03:46,076 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-11 10:03:46,076 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-11 10:03:46,076 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 10:03:46,096 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 10:03:46,096 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 10:03:46,097 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-11 10:03:46,097 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-11 10:03:46,098 INFO L133 SettingsManager]: * Use SBE=true [2018-04-11 10:03:46,098 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 10:03:46,098 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 10:03:46,098 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 10:03:46,098 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 10:03:46,098 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 10:03:46,099 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 10:03:46,099 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 10:03:46,099 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-11 10:03:46,099 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 10:03:46,099 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 10:03:46,099 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 10:03:46,100 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-11 10:03:46,100 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-11 10:03:46,100 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 10:03:46,100 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 10:03:46,100 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 10:03:46,100 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-11 10:03:46,101 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-11 10:03:46,101 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 10:03:46,130 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 10:03:46,139 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 10:03:46,142 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 10:03:46,143 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 10:03:46,143 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 10:03:46,144 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,441 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG56311005c [2018-04-11 10:03:46,564 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 10:03:46,564 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 10:03:46,564 INFO L168 CDTParser]: Scanning openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,571 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 10:03:46,572 INFO L215 ultiparseSymbolTable]: [2018-04-11 10:03:46,572 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 10:03:46,572 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpy ('cstrncpy') in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,572 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i____bswap_64 ('__bswap_64') in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,572 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,572 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i____bswap_32 ('__bswap_32') in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,572 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 10:03:46,572 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i____blkcnt64_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,573 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__gid_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,573 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__ldiv_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,573 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i____socklen_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,573 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__u_short in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,573 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__u_int64_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,573 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__off_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,573 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__int8_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,573 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i____mode_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,573 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i____intptr_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,573 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i____timer_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,573 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i____uint64_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,574 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i____fsword_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,574 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__ssize_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,574 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__key_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,574 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i____uid_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,574 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i____int8_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,574 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__mode_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,574 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i____ssize_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,574 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__timer_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,574 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i____nlink_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,574 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i____sig_atomic_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,574 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__int32_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,575 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__pid_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,575 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__fsfilcnt_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,575 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i____u_short in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,575 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__u_int8_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,575 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i____uint32_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,575 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__uid_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,575 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i____fd_mask in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,575 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i____suseconds_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,575 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__pthread_spinlock_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,575 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__blksize_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,575 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__u_int16_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,576 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__caddr_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,576 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__div_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,576 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__pthread_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,576 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i____int32_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,576 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i____id_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,576 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i____syscall_ulong_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,576 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__u_int in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,576 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__fsblkcnt_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,576 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__pthread_once_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,576 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__pthread_mutexattr_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,577 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i____pid_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,577 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__size_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,577 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__pthread_cond_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,577 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__quad_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,577 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i____fsblkcnt64_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,577 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i____u_char in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,577 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__blkcnt_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,577 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i____off64_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,577 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i____clockid_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,577 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i____pthread_list_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,577 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i____u_quad_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,578 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__int16_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,578 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__lldiv_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,578 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__pthread_attr_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,578 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__pthread_barrier_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,578 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i____rlim_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,578 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__wchar_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,578 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,578 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i____quad_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,578 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i____fsid_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,578 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__u_char in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,578 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__daddr_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,578 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i____gid_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,579 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i____ino64_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,579 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i____u_long in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,579 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i____uint16_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,579 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i____int16_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,579 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__sigset_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,579 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i____WAIT_STATUS in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,579 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__suseconds_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,579 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__fd_mask in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,579 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i____sigset_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,579 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i____ino_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,580 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__u_int32_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,580 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__fsid_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,580 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i____loff_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,580 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__ulong in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,580 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i____off_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,580 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__clockid_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,580 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__u_long in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,580 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i____dev_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,580 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i____caddr_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,580 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__fd_set in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,580 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__clock_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,580 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i____rlim64_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__id_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__pthread_condattr_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i____uint8_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i____key_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__nlink_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__uint in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i____u_int in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__loff_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__time_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__pthread_rwlock_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i____blksize_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i____daddr_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i____qaddr_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i____clock_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__dev_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__int64_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i____fsfilcnt_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__ushort in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i____syscall_slong_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i____time_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i____blkcnt_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__u_quad_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__pthread_key_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i____int64_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__register_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__pthread_barrierattr_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i____fsblkcnt_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__ino_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__pthread_mutex_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i____useconds_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i____fsfilcnt64_t in openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:46,594 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG56311005c [2018-04-11 10:03:46,597 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 10:03:46,598 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 10:03:46,599 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 10:03:46,599 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 10:03:46,602 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 10:03:46,603 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 10:03:46" (1/1) ... [2018-04-11 10:03:46,604 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c881fe4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:03:46, skipping insertion in model container [2018-04-11 10:03:46,605 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 10:03:46" (1/1) ... [2018-04-11 10:03:46,616 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 10:03:46,637 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 10:03:46,762 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 10:03:46,793 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 10:03:46,800 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-11 10:03:46,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:03:46 WrapperNode [2018-04-11 10:03:46,834 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 10:03:46,835 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 10:03:46,835 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 10:03:46,835 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 10:03:46,846 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:03:46" (1/1) ... [2018-04-11 10:03:46,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:03:46" (1/1) ... [2018-04-11 10:03:46,859 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:03:46" (1/1) ... [2018-04-11 10:03:46,859 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:03:46" (1/1) ... [2018-04-11 10:03:46,866 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:03:46" (1/1) ... [2018-04-11 10:03:46,870 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:03:46" (1/1) ... [2018-04-11 10:03:46,872 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:03:46" (1/1) ... [2018-04-11 10:03:46,876 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 10:03:46,876 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 10:03:46,876 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 10:03:46,876 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 10:03:46,877 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:03:46" (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 10:03:46,961 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 10:03:46,961 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 10:03:46,961 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-11 10:03:46,961 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-11 10:03:46,961 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpy [2018-04-11 10:03:46,962 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 10:03:46,962 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-11 10:03:46,962 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-11 10:03:46,962 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 10:03:46,962 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 10:03:46,962 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 10:03:46,962 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 10:03:46,962 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 10:03:46,962 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 10:03:46,962 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 10:03:46,962 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 10:03:46,962 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 10:03:46,963 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 10:03:46,963 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 10:03:46,963 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 10:03:46,963 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 10:03:46,963 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 10:03:46,963 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 10:03:46,963 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 10:03:46,963 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 10:03:46,963 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 10:03:46,964 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 10:03:46,964 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 10:03:46,964 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 10:03:46,964 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 10:03:46,964 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 10:03:46,964 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 10:03:46,964 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 10:03:46,964 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 10:03:46,964 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 10:03:46,965 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 10:03:46,965 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 10:03:46,965 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 10:03:46,965 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 10:03:46,965 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 10:03:46,965 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 10:03:46,965 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 10:03:46,965 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 10:03:46,965 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 10:03:46,965 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 10:03:46,966 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 10:03:46,966 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 10:03:46,966 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 10:03:46,966 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 10:03:46,966 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 10:03:46,966 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 10:03:46,966 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 10:03:46,966 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 10:03:46,966 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 10:03:46,967 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 10:03:46,967 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 10:03:46,967 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 10:03:46,967 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 10:03:46,967 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 10:03:46,967 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 10:03:46,967 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 10:03:46,967 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 10:03:46,967 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 10:03:46,967 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 10:03:46,968 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 10:03:46,968 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 10:03:46,968 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 10:03:46,968 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 10:03:46,968 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 10:03:46,968 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-11 10:03:46,968 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 10:03:46,968 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 10:03:46,968 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 10:03:46,968 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 10:03:46,968 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 10:03:46,969 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 10:03:46,969 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 10:03:46,969 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 10:03:46,969 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 10:03:46,969 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 10:03:46,969 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 10:03:46,969 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 10:03:46,969 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 10:03:46,969 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 10:03:46,969 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 10:03:46,970 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 10:03:46,970 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 10:03:46,970 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 10:03:46,970 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 10:03:46,970 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 10:03:46,970 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 10:03:46,970 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 10:03:46,970 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 10:03:46,970 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 10:03:46,970 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 10:03:46,970 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 10:03:46,971 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 10:03:46,971 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 10:03:46,971 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 10:03:46,971 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 10:03:46,971 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 10:03:46,971 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 10:03:46,971 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 10:03:46,971 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 10:03:46,971 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 10:03:46,971 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 10:03:46,972 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 10:03:46,972 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 10:03:46,972 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-11 10:03:46,972 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpy [2018-04-11 10:03:46,972 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-11 10:03:46,972 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-11 10:03:46,972 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 10:03:46,972 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 10:03:46,972 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 10:03:46,972 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 10:03:46,972 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 10:03:46,973 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-11 10:03:47,230 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 10:03:47,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 10:03:47 BoogieIcfgContainer [2018-04-11 10:03:47,231 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 10:03:47,231 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 10:03:47,231 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 10:03:47,233 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 10:03:47,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 10:03:46" (1/3) ... [2018-04-11 10:03:47,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15e88377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 10:03:47, skipping insertion in model container [2018-04-11 10:03:47,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:03:46" (2/3) ... [2018-04-11 10:03:47,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15e88377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 10:03:47, skipping insertion in model container [2018-04-11 10:03:47,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 10:03:47" (3/3) ... [2018-04-11 10:03:47,235 INFO L107 eAbstractionObserver]: Analyzing ICFG openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:03:47,240 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-11 10:03:47,244 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2018-04-11 10:03:47,269 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 10:03:47,269 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 10:03:47,270 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-11 10:03:47,270 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-11 10:03:47,270 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-11 10:03:47,270 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 10:03:47,270 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 10:03:47,270 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 10:03:47,270 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 10:03:47,271 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 10:03:47,279 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states. [2018-04-11 10:03:47,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-11 10:03:47,284 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 10:03:47,284 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 10:03:47,284 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 10:03:47,287 INFO L82 PathProgramCache]: Analyzing trace with hash 1266094566, now seen corresponding path program 1 times [2018-04-11 10:03:47,288 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 10:03:47,288 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 10:03:47,317 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:03:47,317 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 10:03:47,317 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:03:47,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 10:03:47,352 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 10:03:47,393 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 10:03:47,395 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 10:03:47,395 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 10:03:47,396 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 10:03:47,404 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 10:03:47,405 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 10:03:47,406 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 4 states. [2018-04-11 10:03:47,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 10:03:47,467 INFO L93 Difference]: Finished difference Result 47 states and 52 transitions. [2018-04-11 10:03:47,468 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 10:03:47,468 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-04-11 10:03:47,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 10:03:47,475 INFO L225 Difference]: With dead ends: 47 [2018-04-11 10:03:47,475 INFO L226 Difference]: Without dead ends: 44 [2018-04-11 10:03:47,477 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 10:03:47,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-04-11 10:03:47,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-04-11 10:03:47,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-04-11 10:03:47,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 49 transitions. [2018-04-11 10:03:47,500 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 49 transitions. Word has length 13 [2018-04-11 10:03:47,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 10:03:47,500 INFO L459 AbstractCegarLoop]: Abstraction has 44 states and 49 transitions. [2018-04-11 10:03:47,500 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 10:03:47,500 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 49 transitions. [2018-04-11 10:03:47,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-11 10:03:47,501 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 10:03:47,501 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 10:03:47,501 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 10:03:47,501 INFO L82 PathProgramCache]: Analyzing trace with hash 1266094567, now seen corresponding path program 1 times [2018-04-11 10:03:47,501 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 10:03:47,501 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 10:03:47,502 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:03:47,502 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 10:03:47,502 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:03:47,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 10:03:47,515 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 10:03:47,587 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 10:03:47,587 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 10:03:47,587 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 10:03:47,589 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 10:03:47,589 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 10:03:47,589 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 10:03:47,589 INFO L87 Difference]: Start difference. First operand 44 states and 49 transitions. Second operand 5 states. [2018-04-11 10:03:47,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 10:03:47,622 INFO L93 Difference]: Finished difference Result 43 states and 48 transitions. [2018-04-11 10:03:47,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 10:03:47,623 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2018-04-11 10:03:47,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 10:03:47,623 INFO L225 Difference]: With dead ends: 43 [2018-04-11 10:03:47,623 INFO L226 Difference]: Without dead ends: 43 [2018-04-11 10:03:47,624 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 10:03:47,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-04-11 10:03:47,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-04-11 10:03:47,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-04-11 10:03:47,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 48 transitions. [2018-04-11 10:03:47,626 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 48 transitions. Word has length 13 [2018-04-11 10:03:47,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 10:03:47,626 INFO L459 AbstractCegarLoop]: Abstraction has 43 states and 48 transitions. [2018-04-11 10:03:47,626 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 10:03:47,627 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2018-04-11 10:03:47,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-11 10:03:47,627 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 10:03:47,627 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 10:03:47,627 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 10:03:47,627 INFO L82 PathProgramCache]: Analyzing trace with hash -721973959, now seen corresponding path program 1 times [2018-04-11 10:03:47,627 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 10:03:47,627 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 10:03:47,628 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:03:47,628 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 10:03:47,628 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:03:47,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 10:03:47,641 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 10:03:47,691 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 10:03:47,691 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 10:03:47,691 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-11 10:03:47,691 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-11 10:03:47,692 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-11 10:03:47,692 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-04-11 10:03:47,692 INFO L87 Difference]: Start difference. First operand 43 states and 48 transitions. Second operand 7 states. [2018-04-11 10:03:47,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 10:03:47,797 INFO L93 Difference]: Finished difference Result 45 states and 50 transitions. [2018-04-11 10:03:47,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-11 10:03:47,797 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2018-04-11 10:03:47,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 10:03:47,799 INFO L225 Difference]: With dead ends: 45 [2018-04-11 10:03:47,800 INFO L226 Difference]: Without dead ends: 45 [2018-04-11 10:03:47,800 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-04-11 10:03:47,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-04-11 10:03:47,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 42. [2018-04-11 10:03:47,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-04-11 10:03:47,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 47 transitions. [2018-04-11 10:03:47,802 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 47 transitions. Word has length 18 [2018-04-11 10:03:47,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 10:03:47,803 INFO L459 AbstractCegarLoop]: Abstraction has 42 states and 47 transitions. [2018-04-11 10:03:47,803 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-11 10:03:47,803 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 47 transitions. [2018-04-11 10:03:47,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-11 10:03:47,803 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 10:03:47,804 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 10:03:47,804 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 10:03:47,804 INFO L82 PathProgramCache]: Analyzing trace with hash -721973958, now seen corresponding path program 1 times [2018-04-11 10:03:47,804 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 10:03:47,804 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 10:03:47,805 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:03:47,805 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 10:03:47,805 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:03:47,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 10:03:47,831 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 10:03:47,964 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 10:03:47,964 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 10:03:47,964 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-04-11 10:03:47,966 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-11 10:03:47,967 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-11 10:03:47,967 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-04-11 10:03:47,967 INFO L87 Difference]: Start difference. First operand 42 states and 47 transitions. Second operand 10 states. [2018-04-11 10:03:48,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 10:03:48,075 INFO L93 Difference]: Finished difference Result 48 states and 54 transitions. [2018-04-11 10:03:48,075 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-11 10:03:48,075 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 18 [2018-04-11 10:03:48,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 10:03:48,076 INFO L225 Difference]: With dead ends: 48 [2018-04-11 10:03:48,076 INFO L226 Difference]: Without dead ends: 48 [2018-04-11 10:03:48,076 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2018-04-11 10:03:48,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-04-11 10:03:48,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 44. [2018-04-11 10:03:48,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-04-11 10:03:48,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 49 transitions. [2018-04-11 10:03:48,079 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 49 transitions. Word has length 18 [2018-04-11 10:03:48,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 10:03:48,079 INFO L459 AbstractCegarLoop]: Abstraction has 44 states and 49 transitions. [2018-04-11 10:03:48,079 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-11 10:03:48,079 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 49 transitions. [2018-04-11 10:03:48,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-11 10:03:48,079 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 10:03:48,080 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 10:03:48,080 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 10:03:48,080 INFO L82 PathProgramCache]: Analyzing trace with hash -906356268, now seen corresponding path program 1 times [2018-04-11 10:03:48,080 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 10:03:48,080 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 10:03:48,080 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:03:48,080 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 10:03:48,080 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:03:48,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 10:03:48,095 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 10:03:48,162 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 10:03:48,163 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 10:03:48,163 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-04-11 10:03:48,163 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-11 10:03:48,163 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-11 10:03:48,163 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-04-11 10:03:48,163 INFO L87 Difference]: Start difference. First operand 44 states and 49 transitions. Second operand 10 states. [2018-04-11 10:03:48,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 10:03:48,261 INFO L93 Difference]: Finished difference Result 46 states and 51 transitions. [2018-04-11 10:03:48,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-11 10:03:48,262 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 19 [2018-04-11 10:03:48,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 10:03:48,262 INFO L225 Difference]: With dead ends: 46 [2018-04-11 10:03:48,262 INFO L226 Difference]: Without dead ends: 46 [2018-04-11 10:03:48,262 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2018-04-11 10:03:48,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-04-11 10:03:48,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 43. [2018-04-11 10:03:48,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-04-11 10:03:48,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 48 transitions. [2018-04-11 10:03:48,265 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 48 transitions. Word has length 19 [2018-04-11 10:03:48,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 10:03:48,265 INFO L459 AbstractCegarLoop]: Abstraction has 43 states and 48 transitions. [2018-04-11 10:03:48,265 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-11 10:03:48,265 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2018-04-11 10:03:48,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-11 10:03:48,266 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 10:03:48,266 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 10:03:48,266 INFO L408 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 10:03:48,266 INFO L82 PathProgramCache]: Analyzing trace with hash -906356267, now seen corresponding path program 1 times [2018-04-11 10:03:48,266 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 10:03:48,266 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 10:03:48,267 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:03:48,267 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 10:03:48,267 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:03:48,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 10:03:48,281 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 10:03:48,371 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 10:03:48,371 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 10:03:48,371 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-04-11 10:03:48,371 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-11 10:03:48,372 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-11 10:03:48,372 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2018-04-11 10:03:48,372 INFO L87 Difference]: Start difference. First operand 43 states and 48 transitions. Second operand 10 states. [2018-04-11 10:03:48,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 10:03:48,471 INFO L93 Difference]: Finished difference Result 45 states and 51 transitions. [2018-04-11 10:03:48,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-11 10:03:48,471 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 19 [2018-04-11 10:03:48,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 10:03:48,472 INFO L225 Difference]: With dead ends: 45 [2018-04-11 10:03:48,472 INFO L226 Difference]: Without dead ends: 45 [2018-04-11 10:03:48,472 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2018-04-11 10:03:48,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-04-11 10:03:48,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 44. [2018-04-11 10:03:48,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-04-11 10:03:48,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 49 transitions. [2018-04-11 10:03:48,474 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 49 transitions. Word has length 19 [2018-04-11 10:03:48,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 10:03:48,474 INFO L459 AbstractCegarLoop]: Abstraction has 44 states and 49 transitions. [2018-04-11 10:03:48,475 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-11 10:03:48,475 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 49 transitions. [2018-04-11 10:03:48,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-11 10:03:48,475 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 10:03:48,475 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] [2018-04-11 10:03:48,475 INFO L408 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 10:03:48,476 INFO L82 PathProgramCache]: Analyzing trace with hash 1952905089, now seen corresponding path program 1 times [2018-04-11 10:03:48,476 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 10:03:48,476 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 10:03:48,476 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:03:48,476 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 10:03:48,476 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:03:48,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 10:03:48,489 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 10:03:48,529 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 10:03:48,529 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 10:03:48,529 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 10:03:48,529 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 10:03:48,529 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 10:03:48,530 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 10:03:48,530 INFO L87 Difference]: Start difference. First operand 44 states and 49 transitions. Second operand 5 states. [2018-04-11 10:03:48,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 10:03:48,579 INFO L93 Difference]: Finished difference Result 46 states and 51 transitions. [2018-04-11 10:03:48,579 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 10:03:48,579 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2018-04-11 10:03:48,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 10:03:48,580 INFO L225 Difference]: With dead ends: 46 [2018-04-11 10:03:48,580 INFO L226 Difference]: Without dead ends: 46 [2018-04-11 10:03:48,580 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-04-11 10:03:48,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-04-11 10:03:48,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 43. [2018-04-11 10:03:48,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-04-11 10:03:48,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 48 transitions. [2018-04-11 10:03:48,583 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 48 transitions. Word has length 24 [2018-04-11 10:03:48,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 10:03:48,583 INFO L459 AbstractCegarLoop]: Abstraction has 43 states and 48 transitions. [2018-04-11 10:03:48,583 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 10:03:48,583 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2018-04-11 10:03:48,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-11 10:03:48,584 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 10:03:48,584 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] [2018-04-11 10:03:48,584 INFO L408 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 10:03:48,584 INFO L82 PathProgramCache]: Analyzing trace with hash 1952905090, now seen corresponding path program 1 times [2018-04-11 10:03:48,584 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 10:03:48,585 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 10:03:48,585 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:03:48,585 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 10:03:48,585 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:03:48,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 10:03:48,599 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 10:03:48,694 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 10:03:48,694 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 10:03:48,695 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-11 10:03:48,695 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 10:03:48,695 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 10:03:48,695 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-11 10:03:48,695 INFO L87 Difference]: Start difference. First operand 43 states and 48 transitions. Second operand 6 states. [2018-04-11 10:03:48,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 10:03:48,751 INFO L93 Difference]: Finished difference Result 83 states and 91 transitions. [2018-04-11 10:03:48,751 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 10:03:48,752 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2018-04-11 10:03:48,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 10:03:48,752 INFO L225 Difference]: With dead ends: 83 [2018-04-11 10:03:48,752 INFO L226 Difference]: Without dead ends: 83 [2018-04-11 10:03:48,752 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 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 10:03:48,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2018-04-11 10:03:48,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 72. [2018-04-11 10:03:48,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-04-11 10:03:48,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 84 transitions. [2018-04-11 10:03:48,756 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 84 transitions. Word has length 24 [2018-04-11 10:03:48,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 10:03:48,757 INFO L459 AbstractCegarLoop]: Abstraction has 72 states and 84 transitions. [2018-04-11 10:03:48,757 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 10:03:48,757 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 84 transitions. [2018-04-11 10:03:48,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-11 10:03:48,757 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 10:03:48,758 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, 1] [2018-04-11 10:03:48,758 INFO L408 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 10:03:48,758 INFO L82 PathProgramCache]: Analyzing trace with hash 1971931289, now seen corresponding path program 1 times [2018-04-11 10:03:48,758 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 10:03:48,758 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 10:03:48,759 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:03:48,759 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 10:03:48,759 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:03:48,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 10:03:48,772 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 10:03:48,896 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 10:03:48,896 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 10:03:48,896 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-11 10:03:48,896 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 10:03:48,896 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 10:03:48,897 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-11 10:03:48,897 INFO L87 Difference]: Start difference. First operand 72 states and 84 transitions. Second operand 6 states. [2018-04-11 10:03:48,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 10:03:48,927 INFO L93 Difference]: Finished difference Result 70 states and 75 transitions. [2018-04-11 10:03:48,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 10:03:48,927 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2018-04-11 10:03:48,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 10:03:48,928 INFO L225 Difference]: With dead ends: 70 [2018-04-11 10:03:48,928 INFO L226 Difference]: Without dead ends: 70 [2018-04-11 10:03:48,928 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-04-11 10:03:48,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-04-11 10:03:48,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 63. [2018-04-11 10:03:48,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-04-11 10:03:48,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 69 transitions. [2018-04-11 10:03:48,932 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 69 transitions. Word has length 24 [2018-04-11 10:03:48,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 10:03:48,932 INFO L459 AbstractCegarLoop]: Abstraction has 63 states and 69 transitions. [2018-04-11 10:03:48,932 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 10:03:48,932 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 69 transitions. [2018-04-11 10:03:48,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-11 10:03:48,933 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 10:03:48,933 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] [2018-04-11 10:03:48,933 INFO L408 AbstractCegarLoop]: === Iteration 10 === [__U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 10:03:48,933 INFO L82 PathProgramCache]: Analyzing trace with hash 364557188, now seen corresponding path program 1 times [2018-04-11 10:03:48,933 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 10:03:48,933 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 10:03:48,934 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:03:48,934 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 10:03:48,934 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:03:48,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 10:03:48,950 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 10:03:49,068 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 10:03:49,069 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 10:03:49,069 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-04-11 10:03:49,069 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-11 10:03:49,070 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-11 10:03:49,070 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2018-04-11 10:03:49,070 INFO L87 Difference]: Start difference. First operand 63 states and 69 transitions. Second operand 13 states. [2018-04-11 10:03:49,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 10:03:49,250 INFO L93 Difference]: Finished difference Result 73 states and 81 transitions. [2018-04-11 10:03:49,250 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-11 10:03:49,250 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 24 [2018-04-11 10:03:49,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 10:03:49,251 INFO L225 Difference]: With dead ends: 73 [2018-04-11 10:03:49,251 INFO L226 Difference]: Without dead ends: 73 [2018-04-11 10:03:49,251 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=314, Unknown=0, NotChecked=0, Total=380 [2018-04-11 10:03:49,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-04-11 10:03:49,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 68. [2018-04-11 10:03:49,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-04-11 10:03:49,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 76 transitions. [2018-04-11 10:03:49,256 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 76 transitions. Word has length 24 [2018-04-11 10:03:49,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 10:03:49,256 INFO L459 AbstractCegarLoop]: Abstraction has 68 states and 76 transitions. [2018-04-11 10:03:49,256 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-11 10:03:49,256 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 76 transitions. [2018-04-11 10:03:49,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-11 10:03:49,257 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 10:03:49,257 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, 1] [2018-04-11 10:03:49,257 INFO L408 AbstractCegarLoop]: === Iteration 11 === [__U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 10:03:49,257 INFO L82 PathProgramCache]: Analyzing trace with hash 383583387, now seen corresponding path program 1 times [2018-04-11 10:03:49,257 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 10:03:49,257 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 10:03:49,258 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:03:49,258 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 10:03:49,258 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:03:49,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 10:03:49,273 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 10:03:49,376 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 10:03:49,377 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 10:03:49,377 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-04-11 10:03:49,377 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-11 10:03:49,377 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-11 10:03:49,377 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2018-04-11 10:03:49,378 INFO L87 Difference]: Start difference. First operand 68 states and 76 transitions. Second operand 11 states. [2018-04-11 10:03:49,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 10:03:49,516 INFO L93 Difference]: Finished difference Result 119 states and 130 transitions. [2018-04-11 10:03:49,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-11 10:03:49,516 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 24 [2018-04-11 10:03:49,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 10:03:49,518 INFO L225 Difference]: With dead ends: 119 [2018-04-11 10:03:49,518 INFO L226 Difference]: Without dead ends: 119 [2018-04-11 10:03:49,519 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2018-04-11 10:03:49,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-04-11 10:03:49,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 111. [2018-04-11 10:03:49,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-04-11 10:03:49,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 124 transitions. [2018-04-11 10:03:49,525 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 124 transitions. Word has length 24 [2018-04-11 10:03:49,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 10:03:49,525 INFO L459 AbstractCegarLoop]: Abstraction has 111 states and 124 transitions. [2018-04-11 10:03:49,526 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-11 10:03:49,526 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 124 transitions. [2018-04-11 10:03:49,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-11 10:03:49,526 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 10:03:49,526 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, 1] [2018-04-11 10:03:49,527 INFO L408 AbstractCegarLoop]: === Iteration 12 === [__U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 10:03:49,527 INFO L82 PathProgramCache]: Analyzing trace with hash -1610561319, now seen corresponding path program 1 times [2018-04-11 10:03:49,527 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 10:03:49,527 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 10:03:49,528 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:03:49,528 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 10:03:49,528 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:03:49,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 10:03:49,540 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 10:03:49,687 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 10:03:49,687 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 10:03:49,687 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 10:03:49,695 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 10:03:49,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 10:03:49,730 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 10:03:49,763 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 10:03:49,766 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 10:03:49,767 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 10:03:49,771 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 10:03:49,778 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 10:03:49,778 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:21 [2018-04-11 10:03:49,913 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 10:03:49,919 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 10:03:49,919 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-11 10:03:49,922 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 10:03:49,930 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 10:03:49,930 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:38, output treesize:29 [2018-04-11 10:03:49,962 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 10:03:49,981 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 10:03:49,981 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10] total 18 [2018-04-11 10:03:49,981 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-04-11 10:03:49,981 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-04-11 10:03:49,982 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2018-04-11 10:03:49,982 INFO L87 Difference]: Start difference. First operand 111 states and 124 transitions. Second operand 19 states. [2018-04-11 10:03:52,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 10:03:52,504 INFO L93 Difference]: Finished difference Result 137 states and 151 transitions. [2018-04-11 10:03:52,505 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-11 10:03:52,505 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 24 [2018-04-11 10:03:52,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 10:03:52,505 INFO L225 Difference]: With dead ends: 137 [2018-04-11 10:03:52,506 INFO L226 Difference]: Without dead ends: 137 [2018-04-11 10:03:52,506 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=118, Invalid=694, Unknown=0, NotChecked=0, Total=812 [2018-04-11 10:03:52,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-04-11 10:03:52,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 115. [2018-04-11 10:03:52,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-04-11 10:03:52,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 129 transitions. [2018-04-11 10:03:52,514 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 129 transitions. Word has length 24 [2018-04-11 10:03:52,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 10:03:52,514 INFO L459 AbstractCegarLoop]: Abstraction has 115 states and 129 transitions. [2018-04-11 10:03:52,514 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-04-11 10:03:52,514 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 129 transitions. [2018-04-11 10:03:52,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-04-11 10:03:52,515 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 10:03:52,515 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] [2018-04-11 10:03:52,515 INFO L408 AbstractCegarLoop]: === Iteration 13 === [__U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 10:03:52,515 INFO L82 PathProgramCache]: Analyzing trace with hash -1421492521, now seen corresponding path program 1 times [2018-04-11 10:03:52,516 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 10:03:52,516 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 10:03:52,516 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:03:52,516 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 10:03:52,517 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:03:52,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 10:03:52,524 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 10:03:52,577 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 10:03:52,577 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 10:03:52,577 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 10:03:52,577 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 10:03:52,578 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 10:03:52,578 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-11 10:03:52,578 INFO L87 Difference]: Start difference. First operand 115 states and 129 transitions. Second operand 6 states. [2018-04-11 10:03:52,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 10:03:52,674 INFO L93 Difference]: Finished difference Result 114 states and 128 transitions. [2018-04-11 10:03:52,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-11 10:03:52,674 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2018-04-11 10:03:52,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 10:03:52,674 INFO L225 Difference]: With dead ends: 114 [2018-04-11 10:03:52,675 INFO L226 Difference]: Without dead ends: 64 [2018-04-11 10:03:52,675 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 10:03:52,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-04-11 10:03:52,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 55. [2018-04-11 10:03:52,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-04-11 10:03:52,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 58 transitions. [2018-04-11 10:03:52,677 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 58 transitions. Word has length 25 [2018-04-11 10:03:52,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 10:03:52,678 INFO L459 AbstractCegarLoop]: Abstraction has 55 states and 58 transitions. [2018-04-11 10:03:52,678 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 10:03:52,678 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 58 transitions. [2018-04-11 10:03:52,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-04-11 10:03:52,678 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 10:03:52,678 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 10:03:52,678 INFO L408 AbstractCegarLoop]: === Iteration 14 === [__U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 10:03:52,679 INFO L82 PathProgramCache]: Analyzing trace with hash 1612206614, now seen corresponding path program 1 times [2018-04-11 10:03:52,679 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 10:03:52,679 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 10:03:52,679 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:03:52,679 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 10:03:52,679 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:03:52,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 10:03:52,689 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 10:03:52,883 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 10:03:52,883 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 10:03:52,883 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 10:03:52,895 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 10:03:52,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 10:03:52,919 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 10:03:52,922 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 10:03:52,922 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 10:03:52,932 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 10:03:52,932 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 10:03:52,936 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 10:03:52,936 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-04-11 10:03:52,994 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 10:03:52,995 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 10:03:52,996 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 10:03:52,996 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 10:03:53,024 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 10:03:53,024 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 10:03:53,029 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 10:03:53,029 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:13 [2018-04-11 10:03:53,243 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 10:03:53,260 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 10:03:53,260 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 25 [2018-04-11 10:03:53,260 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-04-11 10:03:53,260 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-04-11 10:03:53,261 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=586, Unknown=0, NotChecked=0, Total=650 [2018-04-11 10:03:53,261 INFO L87 Difference]: Start difference. First operand 55 states and 58 transitions. Second operand 26 states. [2018-04-11 10:03:53,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 10:03:53,711 INFO L93 Difference]: Finished difference Result 57 states and 61 transitions. [2018-04-11 10:03:53,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-11 10:03:53,711 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 25 [2018-04-11 10:03:53,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 10:03:53,712 INFO L225 Difference]: With dead ends: 57 [2018-04-11 10:03:53,712 INFO L226 Difference]: Without dead ends: 57 [2018-04-11 10:03:53,712 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=149, Invalid=1111, Unknown=0, NotChecked=0, Total=1260 [2018-04-11 10:03:53,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-04-11 10:03:53,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 56. [2018-04-11 10:03:53,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-04-11 10:03:53,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 59 transitions. [2018-04-11 10:03:53,714 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 59 transitions. Word has length 25 [2018-04-11 10:03:53,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 10:03:53,715 INFO L459 AbstractCegarLoop]: Abstraction has 56 states and 59 transitions. [2018-04-11 10:03:53,715 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-04-11 10:03:53,715 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 59 transitions. [2018-04-11 10:03:53,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-04-11 10:03:53,715 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 10:03:53,715 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 10:03:53,716 INFO L408 AbstractCegarLoop]: === Iteration 15 === [__U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 10:03:53,716 INFO L82 PathProgramCache]: Analyzing trace with hash -1047432254, now seen corresponding path program 1 times [2018-04-11 10:03:53,716 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 10:03:53,716 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 10:03:53,716 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:03:53,717 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 10:03:53,717 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:03:53,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 10:03:53,728 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 10:03:53,936 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 10:03:53,936 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 10:03:53,936 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 10:03:53,942 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 10:03:53,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 10:03:53,967 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 10:03:53,971 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 10:03:53,972 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 10:03:53,976 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 10:03:53,977 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 10:03:53,980 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 10:03:53,980 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-04-11 10:03:53,988 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 10:03:53,989 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 10:03:53,989 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 10:03:53,989 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 10:03:53,994 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 10:03:53,994 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 10:03:53,998 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 10:03:53,998 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:13 [2018-04-11 10:03:54,163 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 10:03:54,180 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 10:03:54,180 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 22 [2018-04-11 10:03:54,181 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-11 10:03:54,181 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-11 10:03:54,181 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2018-04-11 10:03:54,181 INFO L87 Difference]: Start difference. First operand 56 states and 59 transitions. Second operand 23 states. [2018-04-11 10:03:54,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 10:03:54,887 INFO L93 Difference]: Finished difference Result 67 states and 70 transitions. [2018-04-11 10:03:54,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-04-11 10:03:54,887 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 29 [2018-04-11 10:03:54,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 10:03:54,888 INFO L225 Difference]: With dead ends: 67 [2018-04-11 10:03:54,888 INFO L226 Difference]: Without dead ends: 38 [2018-04-11 10:03:54,888 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 17 SyntacticMatches, 4 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 327 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=200, Invalid=1522, Unknown=0, NotChecked=0, Total=1722 [2018-04-11 10:03:54,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-04-11 10:03:54,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2018-04-11 10:03:54,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-04-11 10:03:54,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 38 transitions. [2018-04-11 10:03:54,890 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 38 transitions. Word has length 29 [2018-04-11 10:03:54,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 10:03:54,890 INFO L459 AbstractCegarLoop]: Abstraction has 38 states and 38 transitions. [2018-04-11 10:03:54,890 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-11 10:03:54,890 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 38 transitions. [2018-04-11 10:03:54,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-11 10:03:54,891 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 10:03:54,891 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 10:03:54,891 INFO L408 AbstractCegarLoop]: === Iteration 16 === [__U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 10:03:54,891 INFO L82 PathProgramCache]: Analyzing trace with hash -11091999, now seen corresponding path program 1 times [2018-04-11 10:03:54,891 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 10:03:54,891 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 10:03:54,892 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:03:54,892 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 10:03:54,892 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:03:54,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 10:03:54,901 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 10:03:55,117 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 10:03:55,117 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 10:03:55,117 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 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-11 10:03:55,125 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 10:03:55,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 10:03:55,154 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 10:03:55,160 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 10:03:55,160 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 10:03:55,171 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 10:03:55,171 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 10:03:55,175 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 10:03:55,176 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-04-11 10:03:55,186 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 10:03:55,188 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 10:03:55,188 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 10:03:55,200 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 10:03:55,201 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 10:03:55,202 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 10:03:55,202 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 10:03:55,210 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 10:03:55,210 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:13 [2018-04-11 10:03:55,432 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 10:03:55,450 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 10:03:55,450 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 22 [2018-04-11 10:03:55,451 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-11 10:03:55,451 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-11 10:03:55,451 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2018-04-11 10:03:55,451 INFO L87 Difference]: Start difference. First operand 38 states and 38 transitions. Second operand 23 states. [2018-04-11 10:03:56,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 10:03:56,031 INFO L93 Difference]: Finished difference Result 43 states and 43 transitions. [2018-04-11 10:03:56,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-04-11 10:03:56,031 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 30 [2018-04-11 10:03:56,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 10:03:56,032 INFO L225 Difference]: With dead ends: 43 [2018-04-11 10:03:56,032 INFO L226 Difference]: Without dead ends: 35 [2018-04-11 10:03:56,032 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 18 SyntacticMatches, 4 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 313 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=180, Invalid=1460, Unknown=0, NotChecked=0, Total=1640 [2018-04-11 10:03:56,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-04-11 10:03:56,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 33. [2018-04-11 10:03:56,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-04-11 10:03:56,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2018-04-11 10:03:56,033 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 33 transitions. Word has length 30 [2018-04-11 10:03:56,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 10:03:56,034 INFO L459 AbstractCegarLoop]: Abstraction has 33 states and 33 transitions. [2018-04-11 10:03:56,034 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-11 10:03:56,034 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2018-04-11 10:03:56,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-11 10:03:56,034 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 10:03:56,034 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 10:03:56,034 INFO L408 AbstractCegarLoop]: === Iteration 17 === [__U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 10:03:56,034 INFO L82 PathProgramCache]: Analyzing trace with hash 7934200, now seen corresponding path program 2 times [2018-04-11 10:03:56,035 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 10:03:56,035 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 10:03:56,035 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:03:56,035 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 10:03:56,035 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:03:56,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 10:03:56,046 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 10:03:56,294 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 10:03:56,294 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 10:03:56,294 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-11 10:03:56,299 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-11 10:03:56,315 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-11 10:03:56,315 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-11 10:03:56,317 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 10:03:56,319 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 10:03:56,319 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 10:03:56,320 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 10:03:56,320 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-11 10:03:56,323 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 10:03:56,324 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 10:03:56,328 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 10:03:56,328 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 10:03:56,329 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 10:03:56,329 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 10:03:56,331 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 10:03:56,331 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:20, output treesize:13 [2018-04-11 10:03:56,383 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 10:03:56,384 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 10:03:56,384 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 10:03:56,385 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 10:03:56,389 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 10:03:56,389 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:23 [2018-04-11 10:03:56,533 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 10:03:56,535 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 10:03:56,535 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 10:03:56,538 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 10:03:56,544 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 10:03:56,544 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:37, output treesize:22 [2018-04-11 10:03:56,620 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 22 treesize of output 18 [2018-04-11 10:03:56,627 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 18 treesize of output 15 [2018-04-11 10:03:56,628 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-11 10:03:56,630 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 10:03:56,638 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 10:03:56,638 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:37 [2018-04-11 10:03:56,694 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 10:03:56,714 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 10:03:56,714 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 27 [2018-04-11 10:03:56,715 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-04-11 10:03:56,715 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-04-11 10:03:56,715 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=693, Unknown=0, NotChecked=0, Total=756 [2018-04-11 10:03:56,715 INFO L87 Difference]: Start difference. First operand 33 states and 33 transitions. Second operand 28 states. [2018-04-11 10:03:57,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 10:03:57,491 INFO L93 Difference]: Finished difference Result 33 states and 33 transitions. [2018-04-11 10:03:57,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-04-11 10:03:57,491 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 30 [2018-04-11 10:03:57,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 10:03:57,492 INFO L225 Difference]: With dead ends: 33 [2018-04-11 10:03:57,492 INFO L226 Difference]: Without dead ends: 33 [2018-04-11 10:03:57,492 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=196, Invalid=1610, Unknown=0, NotChecked=0, Total=1806 [2018-04-11 10:03:57,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-04-11 10:03:57,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 32. [2018-04-11 10:03:57,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-04-11 10:03:57,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2018-04-11 10:03:57,493 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 32 transitions. Word has length 30 [2018-04-11 10:03:57,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 10:03:57,493 INFO L459 AbstractCegarLoop]: Abstraction has 32 states and 32 transitions. [2018-04-11 10:03:57,493 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-04-11 10:03:57,493 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2018-04-11 10:03:57,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-04-11 10:03:57,494 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 10:03:57,494 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 10:03:57,494 INFO L408 AbstractCegarLoop]: === Iteration 18 === [__U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncpy_alloca_true_valid_memsafety_true_termination_i__cstrncpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 10:03:57,494 INFO L82 PathProgramCache]: Analyzing trace with hash 245960151, now seen corresponding path program 2 times [2018-04-11 10:03:57,494 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 10:03:57,494 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 10:03:57,494 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:03:57,495 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-11 10:03:57,495 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:03:57,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 10:03:57,501 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 10:03:57,679 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 10:03:57,679 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 10:03:57,711 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 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-11 10:03:57,717 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-11 10:03:57,733 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-11 10:03:57,734 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-11 10:03:57,736 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 10:03:57,740 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 10:03:57,740 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 10:03:57,744 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 10:03:57,744 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 10:03:57,748 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 10:03:57,748 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-04-11 10:03:57,755 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 10:03:57,755 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 10:03:57,756 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 10:03:57,756 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 10:03:57,771 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 10:03:57,771 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 10:03:57,774 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 10:03:57,774 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:13 [2018-04-11 10:03:57,966 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 10:03:57,993 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 10:03:57,993 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 16] total 24 [2018-04-11 10:03:57,993 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-04-11 10:03:57,993 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-04-11 10:03:57,994 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2018-04-11 10:03:57,994 INFO L87 Difference]: Start difference. First operand 32 states and 32 transitions. Second operand 25 states. [2018-04-11 10:03:58,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 10:03:58,531 INFO L93 Difference]: Finished difference Result 38 states and 38 transitions. [2018-04-11 10:03:58,531 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-04-11 10:03:58,531 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 31 [2018-04-11 10:03:58,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 10:03:58,532 INFO L225 Difference]: With dead ends: 38 [2018-04-11 10:03:58,532 INFO L226 Difference]: Without dead ends: 0 [2018-04-11 10:03:58,532 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 18 SyntacticMatches, 4 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 322 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=178, Invalid=1544, Unknown=0, NotChecked=0, Total=1722 [2018-04-11 10:03:58,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-11 10:03:58,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-11 10:03:58,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-11 10:03:58,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-11 10:03:58,533 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2018-04-11 10:03:58,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 10:03:58,533 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-11 10:03:58,533 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-04-11 10:03:58,533 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-11 10:03:58,533 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-11 10:03:58,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.04 10:03:58 BoogieIcfgContainer [2018-04-11 10:03:58,536 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-11 10:03:58,536 INFO L168 Benchmark]: Toolchain (without parser) took 11938.90 ms. Allocated memory was 402.7 MB in the beginning and 808.5 MB in the end (delta: 405.8 MB). Free memory was 336.4 MB in the beginning and 567.4 MB in the end (delta: -231.0 MB). Peak memory consumption was 174.8 MB. Max. memory is 5.3 GB. [2018-04-11 10:03:58,537 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 402.7 MB. Free memory is still 360.6 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 10:03:58,537 INFO L168 Benchmark]: CACSL2BoogieTranslator took 236.26 ms. Allocated memory is still 402.7 MB. Free memory was 335.1 MB in the beginning and 311.2 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. [2018-04-11 10:03:58,537 INFO L168 Benchmark]: Boogie Preprocessor took 40.69 ms. Allocated memory is still 402.7 MB. Free memory was 311.2 MB in the beginning and 308.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-11 10:03:58,537 INFO L168 Benchmark]: RCFGBuilder took 354.93 ms. Allocated memory was 402.7 MB in the beginning and 586.2 MB in the end (delta: 183.5 MB). Free memory was 308.5 MB in the beginning and 521.5 MB in the end (delta: -213.0 MB). Peak memory consumption was 23.6 MB. Max. memory is 5.3 GB. [2018-04-11 10:03:58,538 INFO L168 Benchmark]: TraceAbstraction took 11304.58 ms. Allocated memory was 586.2 MB in the beginning and 808.5 MB in the end (delta: 222.3 MB). Free memory was 521.5 MB in the beginning and 567.4 MB in the end (delta: -45.9 MB). Peak memory consumption was 176.4 MB. Max. memory is 5.3 GB. [2018-04-11 10:03:58,538 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 402.7 MB. Free memory is still 360.6 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 236.26 ms. Allocated memory is still 402.7 MB. Free memory was 335.1 MB in the beginning and 311.2 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 40.69 ms. Allocated memory is still 402.7 MB. Free memory was 311.2 MB in the beginning and 308.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 354.93 ms. Allocated memory was 402.7 MB in the beginning and 586.2 MB in the end (delta: 183.5 MB). Free memory was 308.5 MB in the beginning and 521.5 MB in the end (delta: -213.0 MB). Peak memory consumption was 23.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 11304.58 ms. Allocated memory was 586.2 MB in the beginning and 808.5 MB in the end (delta: 222.3 MB). Free memory was 521.5 MB in the beginning and 567.4 MB in the end (delta: -45.9 MB). Peak memory consumption was 176.4 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 549]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 549]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 556]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 9 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 54 locations, 9 error locations. SAFE Result, 11.2s OverallTime, 18 OverallIterations, 3 TraceHistogramMax, 6.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 573 SDtfs, 914 SDslu, 3067 SDs, 0 SdLazy, 3019 SolverSat, 233 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 3.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 463 GetRequests, 119 SyntacticMatches, 15 SemanticMatches, 329 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1628 ImplicationChecksByTransitivity, 5.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=115occurred in iteration=12, 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, 18 MinimizatonAttempts, 80 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 583 NumberOfCodeBlocks, 583 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 559 ConstructedInterpolants, 21 QuantifiedInterpolants, 137215 SizeOfPredicates, 83 NumberOfNonLiveVariables, 991 ConjunctsInSsa, 301 ConjunctsInUnsatCore, 24 InterpolantComputations, 12 PerfectInterpolantSequences, 4/74 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_cstrncpy-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-11_10-03-58-543.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-11_10-03-58-543.csv Received shutdown request...