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_cbzero-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-11 09:59:29,301 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 09:59:29,302 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 09:59:29,315 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 09:59:29,316 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 09:59:29,316 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 09:59:29,317 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 09:59:29,319 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 09:59:29,320 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 09:59:29,321 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 09:59:29,322 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 09:59:29,322 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 09:59:29,322 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 09:59:29,323 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 09:59:29,324 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 09:59:29,326 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 09:59:29,327 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 09:59:29,329 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 09:59:29,330 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 09:59:29,331 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 09:59:29,332 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-11 09:59:29,332 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-11 09:59:29,333 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-11 09:59:29,334 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-11 09:59:29,334 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-11 09:59:29,335 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-11 09:59:29,335 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-11 09:59:29,336 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-11 09:59:29,337 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-11 09:59:29,337 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-11 09:59:29,337 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-11 09:59:29,338 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf [2018-04-11 09:59:29,358 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 09:59:29,358 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 09:59:29,359 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-11 09:59:29,359 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-11 09:59:29,360 INFO L133 SettingsManager]: * Use SBE=true [2018-04-11 09:59:29,360 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 09:59:29,360 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 09:59:29,360 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 09:59:29,360 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 09:59:29,360 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 09:59:29,360 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 09:59:29,361 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 09:59:29,361 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-11 09:59:29,361 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 09:59:29,361 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 09:59:29,361 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 09:59:29,361 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-11 09:59:29,361 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-11 09:59:29,362 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 09:59:29,362 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 09:59:29,362 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 09:59:29,362 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-11 09:59:29,362 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-11 09:59:29,362 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-11 09:59:29,392 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 09:59:29,403 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 09:59:29,406 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 09:59:29,409 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 09:59:29,409 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 09:59:29,410 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,785 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG864acd49e [2018-04-11 09:59:29,977 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 09:59:29,977 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 09:59:29,978 INFO L168 CDTParser]: Scanning openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,986 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 09:59:29,986 INFO L215 ultiparseSymbolTable]: [2018-04-11 09:59:29,986 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 09:59:29,986 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero ('cbzero') in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,986 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____bswap_32 ('__bswap_32') in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,986 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____bswap_64 ('__bswap_64') in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,987 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,987 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 09:59:29,987 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__blkcnt_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,987 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____pthread_list_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,987 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__pthread_barrierattr_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,987 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__sigset_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,987 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__ulong in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,987 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__u_char in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,987 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__u_int32_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,987 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__u_quad_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,987 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,987 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__clock_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,988 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____caddr_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,988 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__int16_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,988 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____fsid_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,988 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____fsblkcnt_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,988 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__blksize_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,988 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__lldiv_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,988 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__uid_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,988 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__pthread_rwlock_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,988 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____ino64_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,988 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__pthread_key_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,988 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____ino_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,988 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__div_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,988 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____u_long in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,988 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____int16_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,988 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____uint32_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,988 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__fsid_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,989 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__caddr_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,989 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__pthread_spinlock_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,989 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____clock_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,989 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____blkcnt_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,989 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__mode_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,989 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____daddr_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,989 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____sigset_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,989 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____uint8_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,989 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____loff_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,989 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__time_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,989 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__ushort in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,989 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____syscall_slong_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,990 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____key_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,990 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__suseconds_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,990 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____u_short in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,990 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__u_long in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,990 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____useconds_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,990 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__fd_set in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,990 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__pthread_mutex_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,990 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____qaddr_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,990 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____dev_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,990 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____blksize_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,991 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____uint16_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,991 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____int64_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,991 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__u_int64_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,991 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__loff_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,991 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__daddr_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,991 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____time_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,991 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__int8_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,991 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____WAIT_STATUS in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,991 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____fsfilcnt_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,991 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____rlim64_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,991 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__int64_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,992 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__pthread_condattr_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,992 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__timer_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,992 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__register_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,992 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____fsblkcnt64_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,992 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____nlink_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,992 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__u_short in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,992 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____int8_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,992 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____blkcnt64_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,992 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__ldiv_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,992 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____uid_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,992 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__ssize_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,993 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__gid_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,993 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__ino_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,993 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____fsfilcnt64_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,993 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__int32_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,993 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__pthread_attr_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,993 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____fsword_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,993 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__pid_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,993 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__fsfilcnt_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,993 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____uint64_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,993 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__nlink_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,993 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____socklen_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,994 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____mode_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,994 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__uint in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,994 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____u_int in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,994 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__pthread_once_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,994 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__off_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,994 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__id_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,994 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__size_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,994 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____intptr_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,994 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__dev_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,994 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__quad_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,994 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__u_int16_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,994 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____int32_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,994 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__u_int in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,994 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__pthread_cond_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,994 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____suseconds_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,995 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__key_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,995 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____clockid_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,995 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__clockid_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,995 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__pthread_barrier_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,995 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____u_quad_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,995 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__fd_mask in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,995 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__wchar_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,995 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____rlim_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,995 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____off_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,995 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____quad_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,995 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____syscall_ulong_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,995 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____gid_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,995 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____id_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,995 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____ssize_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,995 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____fd_mask in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,996 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__pthread_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,996 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____off64_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,996 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____sig_atomic_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,996 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____u_char in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,996 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__pthread_mutexattr_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,996 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____pid_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,996 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__u_int8_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,996 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____timer_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:29,996 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__fsblkcnt_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:30,014 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG864acd49e [2018-04-11 09:59:30,017 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 09:59:30,019 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 09:59:30,019 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 09:59:30,019 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 09:59:30,025 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 09:59:30,026 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 09:59:30" (1/1) ... [2018-04-11 09:59:30,028 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@578d8e50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:59:30, skipping insertion in model container [2018-04-11 09:59:30,028 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 09:59:30" (1/1) ... [2018-04-11 09:59:30,040 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 09:59:30,069 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 09:59:30,195 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 09:59:30,226 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 09:59:30,232 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-11 09:59:30,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:59:30 WrapperNode [2018-04-11 09:59:30,267 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 09:59:30,267 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 09:59:30,267 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 09:59:30,267 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 09:59:30,278 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:59:30" (1/1) ... [2018-04-11 09:59:30,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:59:30" (1/1) ... [2018-04-11 09:59:30,290 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:59:30" (1/1) ... [2018-04-11 09:59:30,290 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:59:30" (1/1) ... [2018-04-11 09:59:30,295 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:59:30" (1/1) ... [2018-04-11 09:59:30,299 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:59:30" (1/1) ... [2018-04-11 09:59:30,301 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:59:30" (1/1) ... [2018-04-11 09:59:30,304 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 09:59:30,304 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 09:59:30,305 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 09:59:30,305 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 09:59:30,305 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:59:30" (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 09:59:30,410 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 09:59:30,410 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 09:59:30,410 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-11 09:59:30,410 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-11 09:59:30,410 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero [2018-04-11 09:59:30,410 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 09:59:30,411 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-11 09:59:30,411 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-11 09:59:30,411 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 09:59:30,411 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 09:59:30,411 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 09:59:30,411 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 09:59:30,411 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 09:59:30,411 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 09:59:30,411 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 09:59:30,411 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 09:59:30,412 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 09:59:30,412 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 09:59:30,412 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 09:59:30,412 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 09:59:30,412 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 09:59:30,412 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 09:59:30,412 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 09:59:30,412 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 09:59:30,412 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 09:59:30,413 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 09:59:30,413 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 09:59:30,413 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 09:59:30,413 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 09:59:30,413 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 09:59:30,413 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 09:59:30,413 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 09:59:30,413 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 09:59:30,413 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 09:59:30,413 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 09:59:30,414 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 09:59:30,414 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 09:59:30,414 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 09:59:30,414 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 09:59:30,414 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 09:59:30,414 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 09:59:30,414 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 09:59:30,414 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 09:59:30,414 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 09:59:30,415 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 09:59:30,415 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 09:59:30,415 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 09:59:30,415 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 09:59:30,415 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 09:59:30,415 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 09:59:30,415 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 09:59:30,415 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 09:59:30,415 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 09:59:30,416 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 09:59:30,416 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 09:59:30,416 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 09:59:30,416 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 09:59:30,416 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 09:59:30,416 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 09:59:30,416 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 09:59:30,416 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 09:59:30,416 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 09:59:30,417 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 09:59:30,417 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 09:59:30,417 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 09:59:30,417 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 09:59:30,417 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 09:59:30,417 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 09:59:30,417 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 09:59:30,417 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-11 09:59:30,417 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 09:59:30,417 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 09:59:30,417 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 09:59:30,417 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 09:59:30,417 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 09:59:30,417 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 09:59:30,417 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 09:59:30,417 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 09:59:30,417 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 09:59:30,418 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 09:59:30,418 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 09:59:30,418 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 09:59:30,418 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 09:59:30,418 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 09:59:30,418 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 09:59:30,418 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 09:59:30,418 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 09:59:30,418 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 09:59:30,418 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 09:59:30,418 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 09:59:30,418 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 09:59:30,418 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 09:59:30,418 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 09:59:30,418 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 09:59:30,418 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 09:59:30,418 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 09:59:30,419 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 09:59:30,419 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 09:59:30,419 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 09:59:30,419 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 09:59:30,419 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 09:59:30,419 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 09:59:30,419 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 09:59:30,419 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 09:59:30,419 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 09:59:30,420 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 09:59:30,420 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 09:59:30,420 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 09:59:30,420 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-11 09:59:30,420 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero [2018-04-11 09:59:30,420 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-11 09:59:30,420 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 09:59:30,420 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 09:59:30,420 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 09:59:30,420 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 09:59:30,421 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 09:59:30,421 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-11 09:59:30,421 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-11 09:59:30,655 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 09:59:30,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 09:59:30 BoogieIcfgContainer [2018-04-11 09:59:30,655 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 09:59:30,656 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 09:59:30,656 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 09:59:30,658 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 09:59:30,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 09:59:30" (1/3) ... [2018-04-11 09:59:30,659 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47d215a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 09:59:30, skipping insertion in model container [2018-04-11 09:59:30,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:59:30" (2/3) ... [2018-04-11 09:59:30,659 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47d215a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 09:59:30, skipping insertion in model container [2018-04-11 09:59:30,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 09:59:30" (3/3) ... [2018-04-11 09:59:30,660 INFO L107 eAbstractionObserver]: Analyzing ICFG openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:30,667 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-11 09:59:30,677 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-04-11 09:59:30,710 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 09:59:30,711 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 09:59:30,711 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-11 09:59:30,711 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-11 09:59:30,711 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-11 09:59:30,711 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 09:59:30,711 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 09:59:30,711 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 09:59:30,711 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 09:59:30,712 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 09:59:30,722 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2018-04-11 09:59:30,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-04-11 09:59:30,728 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 09:59:30,728 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 09:59:30,729 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr0RequiresViolation, __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr1RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-11 09:59:30,731 INFO L82 PathProgramCache]: Analyzing trace with hash 479499118, now seen corresponding path program 1 times [2018-04-11 09:59:30,732 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 09:59:30,732 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 09:59:30,761 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:59:30,761 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:59:30,761 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:59:30,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:59:30,791 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 09:59:30,833 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 09:59:30,834 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 09:59:30,834 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 09:59:30,835 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 09:59:30,843 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 09:59:30,844 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 09:59:30,845 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 4 states. [2018-04-11 09:59:30,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 09:59:30,879 INFO L93 Difference]: Finished difference Result 33 states and 36 transitions. [2018-04-11 09:59:30,879 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 09:59:30,880 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2018-04-11 09:59:30,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 09:59:30,885 INFO L225 Difference]: With dead ends: 33 [2018-04-11 09:59:30,885 INFO L226 Difference]: Without dead ends: 29 [2018-04-11 09:59:30,886 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 09:59:30,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2018-04-11 09:59:30,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 27. [2018-04-11 09:59:30,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-04-11 09:59:30,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2018-04-11 09:59:30,907 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 10 [2018-04-11 09:59:30,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 09:59:30,908 INFO L459 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2018-04-11 09:59:30,908 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 09:59:30,908 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2018-04-11 09:59:30,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-04-11 09:59:30,908 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 09:59:30,908 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 09:59:30,908 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr0RequiresViolation, __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr1RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-11 09:59:30,908 INFO L82 PathProgramCache]: Analyzing trace with hash 479501040, now seen corresponding path program 1 times [2018-04-11 09:59:30,909 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 09:59:30,909 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 09:59:30,909 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:59:30,909 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:59:30,909 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:59:30,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:59:30,917 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 09:59:30,932 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 09:59:30,932 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 09:59:30,932 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-04-11 09:59:30,933 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-11 09:59:30,933 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-11 09:59:30,934 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 09:59:30,934 INFO L87 Difference]: Start difference. First operand 27 states and 30 transitions. Second operand 3 states. [2018-04-11 09:59:30,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 09:59:30,946 INFO L93 Difference]: Finished difference Result 28 states and 30 transitions. [2018-04-11 09:59:30,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-11 09:59:30,947 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-04-11 09:59:30,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 09:59:30,947 INFO L225 Difference]: With dead ends: 28 [2018-04-11 09:59:30,947 INFO L226 Difference]: Without dead ends: 27 [2018-04-11 09:59:30,948 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 09:59:30,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-04-11 09:59:30,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 26. [2018-04-11 09:59:30,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-04-11 09:59:30,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 28 transitions. [2018-04-11 09:59:30,950 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 28 transitions. Word has length 10 [2018-04-11 09:59:30,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 09:59:30,951 INFO L459 AbstractCegarLoop]: Abstraction has 26 states and 28 transitions. [2018-04-11 09:59:30,951 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-11 09:59:30,951 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2018-04-11 09:59:30,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-04-11 09:59:30,951 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 09:59:30,951 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 09:59:30,951 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr0RequiresViolation, __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr1RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-11 09:59:30,951 INFO L82 PathProgramCache]: Analyzing trace with hash -1962940712, now seen corresponding path program 1 times [2018-04-11 09:59:30,951 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 09:59:30,951 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 09:59:30,952 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:59:30,952 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:59:30,952 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:59:30,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:59:30,967 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 09:59:31,034 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 09:59:31,034 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 09:59:31,034 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-11 09:59:31,034 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-11 09:59:31,035 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-11 09:59:31,035 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-04-11 09:59:31,035 INFO L87 Difference]: Start difference. First operand 26 states and 28 transitions. Second operand 7 states. [2018-04-11 09:59:31,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 09:59:31,084 INFO L93 Difference]: Finished difference Result 25 states and 27 transitions. [2018-04-11 09:59:31,085 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-11 09:59:31,085 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 16 [2018-04-11 09:59:31,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 09:59:31,085 INFO L225 Difference]: With dead ends: 25 [2018-04-11 09:59:31,085 INFO L226 Difference]: Without dead ends: 25 [2018-04-11 09:59:31,086 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-04-11 09:59:31,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-04-11 09:59:31,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2018-04-11 09:59:31,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-04-11 09:59:31,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 27 transitions. [2018-04-11 09:59:31,088 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 27 transitions. Word has length 16 [2018-04-11 09:59:31,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 09:59:31,089 INFO L459 AbstractCegarLoop]: Abstraction has 25 states and 27 transitions. [2018-04-11 09:59:31,089 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-11 09:59:31,089 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2018-04-11 09:59:31,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-04-11 09:59:31,089 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 09:59:31,089 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 09:59:31,090 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr0RequiresViolation, __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr1RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-11 09:59:31,090 INFO L82 PathProgramCache]: Analyzing trace with hash -1962940711, now seen corresponding path program 1 times [2018-04-11 09:59:31,090 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 09:59:31,090 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 09:59:31,090 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:59:31,091 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:59:31,091 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:59:31,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:59:31,104 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 09:59:31,211 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 09:59:31,212 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 09:59:31,212 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-11 09:59:31,212 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-11 09:59:31,212 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-11 09:59:31,213 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-04-11 09:59:31,213 INFO L87 Difference]: Start difference. First operand 25 states and 27 transitions. Second operand 8 states. [2018-04-11 09:59:31,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 09:59:31,353 INFO L93 Difference]: Finished difference Result 31 states and 34 transitions. [2018-04-11 09:59:31,353 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-11 09:59:31,353 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 16 [2018-04-11 09:59:31,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 09:59:31,355 INFO L225 Difference]: With dead ends: 31 [2018-04-11 09:59:31,355 INFO L226 Difference]: Without dead ends: 31 [2018-04-11 09:59:31,356 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2018-04-11 09:59:31,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-04-11 09:59:31,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 28. [2018-04-11 09:59:31,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-04-11 09:59:31,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 31 transitions. [2018-04-11 09:59:31,360 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 31 transitions. Word has length 16 [2018-04-11 09:59:31,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 09:59:31,360 INFO L459 AbstractCegarLoop]: Abstraction has 28 states and 31 transitions. [2018-04-11 09:59:31,360 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-11 09:59:31,361 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2018-04-11 09:59:31,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-11 09:59:31,361 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 09:59:31,361 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 09:59:31,363 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr0RequiresViolation, __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr1RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-11 09:59:31,364 INFO L82 PathProgramCache]: Analyzing trace with hash -1468429103, now seen corresponding path program 1 times [2018-04-11 09:59:31,364 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 09:59:31,364 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 09:59:31,365 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:59:31,365 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:59:31,365 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:59:31,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:59:31,385 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 09:59:31,448 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 09:59:31,448 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 09:59:31,448 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 09:59:31,454 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:59:31,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:59:31,472 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 09:59:31,488 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 09:59:31,506 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 09:59:31,506 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2018-04-11 09:59:31,506 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-11 09:59:31,506 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-11 09:59:31,507 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-04-11 09:59:31,507 INFO L87 Difference]: Start difference. First operand 28 states and 31 transitions. Second operand 7 states. [2018-04-11 09:59:31,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 09:59:31,560 INFO L93 Difference]: Finished difference Result 48 states and 51 transitions. [2018-04-11 09:59:31,560 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-11 09:59:31,561 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-04-11 09:59:31,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 09:59:31,561 INFO L225 Difference]: With dead ends: 48 [2018-04-11 09:59:31,561 INFO L226 Difference]: Without dead ends: 48 [2018-04-11 09:59:31,561 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-04-11 09:59:31,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-04-11 09:59:31,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 41. [2018-04-11 09:59:31,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-04-11 09:59:31,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2018-04-11 09:59:31,566 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 45 transitions. Word has length 20 [2018-04-11 09:59:31,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 09:59:31,566 INFO L459 AbstractCegarLoop]: Abstraction has 41 states and 45 transitions. [2018-04-11 09:59:31,566 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-11 09:59:31,566 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2018-04-11 09:59:31,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-11 09:59:31,567 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 09:59:31,567 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 09:59:31,567 INFO L408 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr0RequiresViolation, __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr1RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-11 09:59:31,567 INFO L82 PathProgramCache]: Analyzing trace with hash -2055235117, now seen corresponding path program 1 times [2018-04-11 09:59:31,567 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 09:59:31,567 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 09:59:31,568 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:59:31,568 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:59:31,568 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:59:31,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:59:31,582 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 09:59:31,680 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 09:59:31,680 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 09:59:31,680 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 09:59:31,689 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:59:31,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:59:31,703 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 09:59:31,712 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 09:59:31,740 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 09:59:31,740 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2018-04-11 09:59:31,741 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-11 09:59:31,741 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-11 09:59:31,741 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-04-11 09:59:31,741 INFO L87 Difference]: Start difference. First operand 41 states and 45 transitions. Second operand 9 states. [2018-04-11 09:59:31,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 09:59:31,825 INFO L93 Difference]: Finished difference Result 73 states and 79 transitions. [2018-04-11 09:59:31,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-11 09:59:31,826 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 20 [2018-04-11 09:59:31,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 09:59:31,826 INFO L225 Difference]: With dead ends: 73 [2018-04-11 09:59:31,826 INFO L226 Difference]: Without dead ends: 73 [2018-04-11 09:59:31,826 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-04-11 09:59:31,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-04-11 09:59:31,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 42. [2018-04-11 09:59:31,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-04-11 09:59:31,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 47 transitions. [2018-04-11 09:59:31,832 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 47 transitions. Word has length 20 [2018-04-11 09:59:31,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 09:59:31,832 INFO L459 AbstractCegarLoop]: Abstraction has 42 states and 47 transitions. [2018-04-11 09:59:31,832 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-11 09:59:31,832 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 47 transitions. [2018-04-11 09:59:31,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-11 09:59:31,832 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 09:59:31,832 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 09:59:31,832 INFO L408 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr0RequiresViolation, __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr1RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-11 09:59:31,833 INFO L82 PathProgramCache]: Analyzing trace with hash 1228614929, now seen corresponding path program 1 times [2018-04-11 09:59:31,833 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 09:59:31,833 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 09:59:31,833 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:59:31,833 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:59:31,833 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:59:31,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:59:31,843 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 09:59:31,986 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 09:59:31,986 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 09:59:31,986 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 09:59:31,991 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:59:32,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:59:32,011 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 09:59:32,027 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 09:59:32,028 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 09:59:32,032 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 09:59:32,032 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:12 [2018-04-11 09:59:32,208 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 09:59:32,224 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 09:59:32,224 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2018-04-11 09:59:32,225 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-04-11 09:59:32,225 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-04-11 09:59:32,225 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=407, Unknown=0, NotChecked=0, Total=462 [2018-04-11 09:59:32,225 INFO L87 Difference]: Start difference. First operand 42 states and 47 transitions. Second operand 22 states. [2018-04-11 09:59:32,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 09:59:32,480 INFO L93 Difference]: Finished difference Result 51 states and 57 transitions. [2018-04-11 09:59:32,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-11 09:59:32,481 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 20 [2018-04-11 09:59:32,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 09:59:32,481 INFO L225 Difference]: With dead ends: 51 [2018-04-11 09:59:32,481 INFO L226 Difference]: Without dead ends: 51 [2018-04-11 09:59:32,482 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=116, Invalid=814, Unknown=0, NotChecked=0, Total=930 [2018-04-11 09:59:32,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-04-11 09:59:32,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 46. [2018-04-11 09:59:32,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-04-11 09:59:32,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 52 transitions. [2018-04-11 09:59:32,484 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 52 transitions. Word has length 20 [2018-04-11 09:59:32,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 09:59:32,485 INFO L459 AbstractCegarLoop]: Abstraction has 46 states and 52 transitions. [2018-04-11 09:59:32,485 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-04-11 09:59:32,485 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 52 transitions. [2018-04-11 09:59:32,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-04-11 09:59:32,486 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 09:59:32,486 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 09:59:32,486 INFO L408 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr0RequiresViolation, __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr1RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-11 09:59:32,486 INFO L82 PathProgramCache]: Analyzing trace with hash 214516216, now seen corresponding path program 1 times [2018-04-11 09:59:32,486 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 09:59:32,486 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 09:59:32,487 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:59:32,487 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:59:32,487 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:59:32,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:59:32,494 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 09:59:32,552 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 09:59:32,552 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 09:59:32,552 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-11 09:59:32,552 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 09:59:32,553 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 09:59:32,553 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-11 09:59:32,553 INFO L87 Difference]: Start difference. First operand 46 states and 52 transitions. Second operand 6 states. [2018-04-11 09:59:32,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 09:59:32,575 INFO L93 Difference]: Finished difference Result 59 states and 65 transitions. [2018-04-11 09:59:32,575 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 09:59:32,575 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2018-04-11 09:59:32,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 09:59:32,576 INFO L225 Difference]: With dead ends: 59 [2018-04-11 09:59:32,576 INFO L226 Difference]: Without dead ends: 59 [2018-04-11 09:59:32,576 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-11 09:59:32,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-04-11 09:59:32,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 52. [2018-04-11 09:59:32,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-04-11 09:59:32,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 59 transitions. [2018-04-11 09:59:32,581 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 59 transitions. Word has length 21 [2018-04-11 09:59:32,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 09:59:32,582 INFO L459 AbstractCegarLoop]: Abstraction has 52 states and 59 transitions. [2018-04-11 09:59:32,582 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 09:59:32,582 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 59 transitions. [2018-04-11 09:59:32,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-04-11 09:59:32,583 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 09:59:32,583 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 09:59:32,583 INFO L408 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr0RequiresViolation, __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr1RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-11 09:59:32,583 INFO L82 PathProgramCache]: Analyzing trace with hash -796601034, now seen corresponding path program 1 times [2018-04-11 09:59:32,583 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 09:59:32,583 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 09:59:32,584 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:59:32,584 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:59:32,584 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:59:32,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:59:32,595 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 09:59:32,627 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 09:59:32,627 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 09:59:32,627 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 09:59:32,628 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 09:59:32,628 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 09:59:32,628 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 09:59:32,628 INFO L87 Difference]: Start difference. First operand 52 states and 59 transitions. Second operand 4 states. [2018-04-11 09:59:32,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 09:59:32,656 INFO L93 Difference]: Finished difference Result 51 states and 58 transitions. [2018-04-11 09:59:32,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 09:59:32,656 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 21 [2018-04-11 09:59:32,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 09:59:32,656 INFO L225 Difference]: With dead ends: 51 [2018-04-11 09:59:32,656 INFO L226 Difference]: Without dead ends: 25 [2018-04-11 09:59:32,657 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 09:59:32,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-04-11 09:59:32,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2018-04-11 09:59:32,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-04-11 09:59:32,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2018-04-11 09:59:32,660 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 21 [2018-04-11 09:59:32,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 09:59:32,662 INFO L459 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2018-04-11 09:59:32,662 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 09:59:32,662 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2018-04-11 09:59:32,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-11 09:59:32,663 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 09:59:32,663 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 09:59:32,663 INFO L408 AbstractCegarLoop]: === Iteration 10 === [__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr0RequiresViolation, __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr1RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-11 09:59:32,663 INFO L82 PathProgramCache]: Analyzing trace with hash -1363740919, now seen corresponding path program 2 times [2018-04-11 09:59:32,664 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 09:59:32,664 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 09:59:32,664 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:59:32,664 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:59:32,664 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:59:32,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:59:32,682 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 09:59:32,912 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 09:59:32,912 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 09:59:32,912 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 09:59:32,917 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-11 09:59:32,929 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-11 09:59:32,929 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-11 09:59:32,931 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 09:59:32,935 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 09:59:32,935 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 09:59:32,939 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 09:59:32,939 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:12 [2018-04-11 09:59:33,190 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 09:59:33,207 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 09:59:33,207 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14] total 26 [2018-04-11 09:59:33,208 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-04-11 09:59:33,208 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-04-11 09:59:33,208 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=633, Unknown=0, NotChecked=0, Total=702 [2018-04-11 09:59:33,208 INFO L87 Difference]: Start difference. First operand 25 states and 25 transitions. Second operand 27 states. [2018-04-11 09:59:33,657 WARN L151 SmtUtils]: Spent 140ms on a formula simplification. DAG size of input: 49 DAG size of output 40 [2018-04-11 09:59:33,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 09:59:33,756 INFO L93 Difference]: Finished difference Result 29 states and 29 transitions. [2018-04-11 09:59:33,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-04-11 09:59:33,756 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 24 [2018-04-11 09:59:33,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 09:59:33,756 INFO L225 Difference]: With dead ends: 29 [2018-04-11 09:59:33,756 INFO L226 Difference]: Without dead ends: 0 [2018-04-11 09:59:33,757 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 353 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=175, Invalid=1465, Unknown=0, NotChecked=0, Total=1640 [2018-04-11 09:59:33,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-11 09:59:33,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-11 09:59:33,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-11 09:59:33,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-11 09:59:33,757 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2018-04-11 09:59:33,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 09:59:33,757 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-11 09:59:33,757 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-04-11 09:59:33,757 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-11 09:59:33,757 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-11 09:59:33,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.04 09:59:33 BoogieIcfgContainer [2018-04-11 09:59:33,760 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-11 09:59:33,760 INFO L168 Benchmark]: Toolchain (without parser) took 3742.72 ms. Allocated memory was 397.4 MB in the beginning and 677.9 MB in the end (delta: 280.5 MB). Free memory was 331.8 MB in the beginning and 432.7 MB in the end (delta: -100.9 MB). Peak memory consumption was 179.6 MB. Max. memory is 5.3 GB. [2018-04-11 09:59:33,761 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 397.4 MB. Free memory is still 357.6 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 09:59:33,761 INFO L168 Benchmark]: CACSL2BoogieTranslator took 247.75 ms. Allocated memory is still 397.4 MB. Free memory was 329.8 MB in the beginning and 307.3 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 5.3 GB. [2018-04-11 09:59:33,761 INFO L168 Benchmark]: Boogie Preprocessor took 36.91 ms. Allocated memory is still 397.4 MB. Free memory was 307.3 MB in the beginning and 304.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-11 09:59:33,762 INFO L168 Benchmark]: RCFGBuilder took 351.11 ms. Allocated memory was 397.4 MB in the beginning and 601.9 MB in the end (delta: 204.5 MB). Free memory was 304.7 MB in the beginning and 541.4 MB in the end (delta: -236.7 MB). Peak memory consumption was 25.0 MB. Max. memory is 5.3 GB. [2018-04-11 09:59:33,762 INFO L168 Benchmark]: TraceAbstraction took 3104.14 ms. Allocated memory was 601.9 MB in the beginning and 677.9 MB in the end (delta: 76.0 MB). Free memory was 541.4 MB in the beginning and 432.7 MB in the end (delta: 108.7 MB). Peak memory consumption was 184.7 MB. Max. memory is 5.3 GB. [2018-04-11 09:59:33,763 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 397.4 MB. Free memory is still 357.6 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 247.75 ms. Allocated memory is still 397.4 MB. Free memory was 329.8 MB in the beginning and 307.3 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 36.91 ms. Allocated memory is still 397.4 MB. Free memory was 307.3 MB in the beginning and 304.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 351.11 ms. Allocated memory was 397.4 MB in the beginning and 601.9 MB in the end (delta: 204.5 MB). Free memory was 304.7 MB in the beginning and 541.4 MB in the end (delta: -236.7 MB). Peak memory consumption was 25.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 3104.14 ms. Allocated memory was 601.9 MB in the beginning and 677.9 MB in the end (delta: 76.0 MB). Free memory was 541.4 MB in the beginning and 432.7 MB in the end (delta: 108.7 MB). Peak memory consumption was 184.7 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 545]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 545]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 35 locations, 3 error locations. SAFE Result, 3.0s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 1.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 223 SDtfs, 213 SDslu, 903 SDs, 0 SdLazy, 656 SolverSat, 74 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 192 GetRequests, 74 SyntacticMatches, 1 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 569 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 10 MinimizatonAttempts, 56 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 262 NumberOfCodeBlocks, 262 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 248 ConstructedInterpolants, 2 QuantifiedInterpolants, 29494 SizeOfPredicates, 29 NumberOfNonLiveVariables, 425 ConjunctsInSsa, 120 ConjunctsInUnsatCore, 14 InterpolantComputations, 6 PerfectInterpolantSequences, 4/38 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-11_09-59-33-767.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-11_09-59-33-767.csv Received shutdown request...