java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv --cacsl2boogietranslator.bitprecise.bitfields false -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf -i ../../../trunk/examples/svcomp/array-memsafety/openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-11 12:52:12,347 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 12:52:12,348 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 12:52:12,360 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 12:52:12,360 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 12:52:12,361 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 12:52:12,362 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 12:52:12,363 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 12:52:12,365 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 12:52:12,366 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 12:52:12,366 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 12:52:12,367 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 12:52:12,367 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 12:52:12,368 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 12:52:12,369 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 12:52:12,371 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 12:52:12,372 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 12:52:12,373 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 12:52:12,374 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 12:52:12,375 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 12:52:12,377 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-04-11 12:52:12,381 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-11 12:52:12,382 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-11 12:52:12,382 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf [2018-04-11 12:52:12,402 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 12:52:12,403 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 12:52:12,404 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-11 12:52:12,404 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-11 12:52:12,404 INFO L133 SettingsManager]: * Use SBE=true [2018-04-11 12:52:12,404 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 12:52:12,404 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 12:52:12,404 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 12:52:12,404 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 12:52:12,404 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 12:52:12,405 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 12:52:12,405 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 12:52:12,405 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-11 12:52:12,405 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 12:52:12,405 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 12:52:12,405 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 12:52:12,405 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-11 12:52:12,405 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-11 12:52:12,405 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 12:52:12,405 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 12:52:12,405 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 12:52:12,406 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-11 12:52:12,436 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 12:52:12,445 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 12:52:12,448 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 12:52:12,449 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 12:52:12,449 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 12:52:12,450 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 12:52:12,810 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGd8fbfb451 [2018-04-11 12:52:12,925 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 12:52:12,925 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 12:52:12,925 INFO L168 CDTParser]: Scanning openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:52:12,935 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 12:52:12,936 INFO L215 ultiparseSymbolTable]: [2018-04-11 12:52:12,936 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 12:52:12,936 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 12:52:12,936 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 12:52:12,936 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 12:52:12,936 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:52:12,936 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 12:52:12,937 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 12:52:12,937 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 12:52:12,937 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 12:52:12,937 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 12:52:12,937 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 12:52:12,937 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 12:52:12,937 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 12:52:12,937 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 12:52:12,937 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 12:52:12,937 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 12:52:12,937 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 12:52:12,938 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 12:52:12,938 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 12:52:12,938 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 12:52:12,938 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 12:52:12,938 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 12:52:12,938 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 12:52:12,938 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 12:52:12,938 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 12:52:12,938 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 12:52:12,938 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 12:52:12,939 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 12:52:12,939 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 12:52:12,939 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 12:52:12,939 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 12:52:12,939 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 12:52:12,939 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 12:52:12,939 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 12:52:12,939 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 12:52:12,939 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 12:52:12,939 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 12:52:12,939 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 12:52:12,939 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 12:52:12,940 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 12:52:12,940 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 12:52:12,940 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 12:52:12,940 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 12:52:12,940 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 12:52:12,940 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 12:52:12,940 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 12:52:12,940 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 12:52:12,940 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 12:52:12,940 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 12:52:12,940 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 12:52:12,941 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 12:52:12,941 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 12:52:12,941 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 12:52:12,941 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 12:52:12,941 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 12:52:12,941 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 12:52:12,941 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 12:52:12,941 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 12:52:12,941 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 12:52:12,941 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 12:52:12,941 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 12:52:12,942 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 12:52:12,942 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 12:52:12,942 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 12:52:12,942 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 12:52:12,942 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 12:52:12,942 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 12:52:12,942 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 12:52:12,942 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 12:52:12,942 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 12:52:12,942 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 12:52:12,943 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 12:52:12,943 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 12:52:12,943 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 12:52:12,943 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 12:52:12,943 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 12:52:12,943 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 12:52:12,943 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 12:52:12,943 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 12:52:12,943 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 12:52:12,943 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 12:52:12,943 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 12:52:12,944 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 12:52:12,944 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 12:52:12,944 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 12:52:12,944 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 12:52:12,944 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 12:52:12,944 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 12:52:12,944 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 12:52:12,944 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 12:52:12,944 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 12:52:12,944 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 12:52:12,944 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 12:52:12,944 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 12:52:12,945 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 12:52:12,945 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 12:52:12,945 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 12:52:12,945 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 12:52:12,945 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 12:52:12,945 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 12:52:12,945 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 12:52:12,945 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 12:52:12,945 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 12:52:12,945 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 12:52:12,945 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 12:52:12,945 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 12:52:12,946 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 12:52:12,946 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 12:52:12,946 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 12:52:12,946 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 12:52:12,946 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 12:52:12,946 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 12:52:12,946 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 12:52:12,946 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 12:52:12,946 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 12:52:12,946 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 12:52:12,946 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 12:52:12,946 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 12:52:12,946 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 12:52:12,946 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 12:52:12,946 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 12:52:12,946 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 12:52:12,946 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 12:52:12,946 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 12:52:12,947 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 12:52:12,947 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 12:52:12,978 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGd8fbfb451 [2018-04-11 12:52:12,981 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 12:52:12,982 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 12:52:12,983 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 12:52:12,983 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 12:52:12,987 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 12:52:12,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 12:52:12" (1/1) ... [2018-04-11 12:52:12,989 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bad5170 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:52:12, skipping insertion in model container [2018-04-11 12:52:12,989 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 12:52:12" (1/1) ... [2018-04-11 12:52:13,000 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 12:52:13,022 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 12:52:13,143 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 12:52:13,177 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 12:52:13,183 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-11 12:52:13,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:52:13 WrapperNode [2018-04-11 12:52:13,208 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 12:52:13,209 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 12:52:13,209 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 12:52:13,209 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 12:52:13,216 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:52:13" (1/1) ... [2018-04-11 12:52:13,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:52:13" (1/1) ... [2018-04-11 12:52:13,227 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:52:13" (1/1) ... [2018-04-11 12:52:13,227 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:52:13" (1/1) ... [2018-04-11 12:52:13,233 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:52:13" (1/1) ... [2018-04-11 12:52:13,236 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:52:13" (1/1) ... [2018-04-11 12:52:13,238 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:52:13" (1/1) ... [2018-04-11 12:52:13,241 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 12:52:13,242 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 12:52:13,242 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 12:52:13,242 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 12:52:13,243 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:52:13" (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 12:52:13,327 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 12:52:13,327 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 12:52:13,327 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-11 12:52:13,328 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-11 12:52:13,328 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero [2018-04-11 12:52:13,328 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 12:52:13,328 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-11 12:52:13,328 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-11 12:52:13,328 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 12:52:13,328 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 12:52:13,328 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 12:52:13,329 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 12:52:13,329 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 12:52:13,329 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 12:52:13,329 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 12:52:13,329 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 12:52:13,329 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 12:52:13,329 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 12:52:13,329 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 12:52:13,329 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 12:52:13,330 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 12:52:13,330 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 12:52:13,330 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 12:52:13,330 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 12:52:13,330 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 12:52:13,330 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 12:52:13,330 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 12:52:13,330 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 12:52:13,331 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 12:52:13,331 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 12:52:13,331 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 12:52:13,331 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 12:52:13,331 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 12:52:13,331 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 12:52:13,331 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 12:52:13,331 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 12:52:13,331 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 12:52:13,332 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 12:52:13,332 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 12:52:13,332 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 12:52:13,332 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 12:52:13,332 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 12:52:13,332 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 12:52:13,332 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 12:52:13,332 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 12:52:13,332 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 12:52:13,332 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 12:52:13,333 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 12:52:13,333 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 12:52:13,333 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 12:52:13,333 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 12:52:13,333 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 12:52:13,333 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 12:52:13,333 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 12:52:13,333 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 12:52:13,333 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 12:52:13,334 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 12:52:13,334 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 12:52:13,334 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 12:52:13,334 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 12:52:13,334 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 12:52:13,334 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 12:52:13,334 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 12:52:13,334 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 12:52:13,334 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 12:52:13,334 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 12:52:13,335 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 12:52:13,335 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 12:52:13,335 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 12:52:13,335 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-11 12:52:13,335 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 12:52:13,335 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 12:52:13,335 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 12:52:13,335 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 12:52:13,335 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 12:52:13,336 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 12:52:13,336 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 12:52:13,336 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 12:52:13,336 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 12:52:13,336 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 12:52:13,336 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 12:52:13,336 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 12:52:13,336 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 12:52:13,336 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 12:52:13,336 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 12:52:13,337 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 12:52:13,337 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 12:52:13,337 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 12:52:13,337 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 12:52:13,337 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 12:52:13,337 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 12:52:13,337 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 12:52:13,337 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 12:52:13,337 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 12:52:13,337 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 12:52:13,338 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 12:52:13,338 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 12:52:13,338 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 12:52:13,338 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 12:52:13,338 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 12:52:13,338 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 12:52:13,338 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 12:52:13,338 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 12:52:13,338 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 12:52:13,339 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 12:52:13,339 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 12:52:13,339 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 12:52:13,339 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 12:52:13,339 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-11 12:52:13,339 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero [2018-04-11 12:52:13,339 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-11 12:52:13,339 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 12:52:13,339 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 12:52:13,339 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 12:52:13,340 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 12:52:13,340 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 12:52:13,340 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-11 12:52:13,340 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-11 12:52:13,581 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 12:52:13,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 12:52:13 BoogieIcfgContainer [2018-04-11 12:52:13,581 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 12:52:13,582 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 12:52:13,582 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 12:52:13,584 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 12:52:13,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 12:52:12" (1/3) ... [2018-04-11 12:52:13,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61deb129 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 12:52:13, skipping insertion in model container [2018-04-11 12:52:13,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:52:13" (2/3) ... [2018-04-11 12:52:13,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61deb129 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 12:52:13, skipping insertion in model container [2018-04-11 12:52:13,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 12:52:13" (3/3) ... [2018-04-11 12:52:13,585 INFO L107 eAbstractionObserver]: Analyzing ICFG openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:52:13,591 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-04-11 12:52:13,597 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-04-11 12:52:13,627 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 12:52:13,628 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 12:52:13,628 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-11 12:52:13,628 INFO L371 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-04-11 12:52:13,628 INFO L372 AbstractCegarLoop]: Backedges is CANONICAL [2018-04-11 12:52:13,628 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 12:52:13,628 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 12:52:13,628 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 12:52:13,628 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 12:52:13,629 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 12:52:13,635 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2018-04-11 12:52:13,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-04-11 12:52:13,641 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 12:52:13,641 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 12:52:13,641 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 12:52:13,644 INFO L82 PathProgramCache]: Analyzing trace with hash 479499118, now seen corresponding path program 1 times [2018-04-11 12:52:13,675 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 12:52:13,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 12:52:13,711 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 12:52:13,748 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 12:52:13,750 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 12:52:13,751 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 12:52:13,751 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 12:52:13,752 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 12:52:13,752 INFO L182 omatonBuilderFactory]: Interpolants [32#true, 33#false, 34#(<= 1 main_~length~0), 35#(<= main_~n~0 main_~length~0)] [2018-04-11 12:52:13,752 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 12:52:13,753 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 12:52:13,765 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 12:52:13,765 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 12:52:13,767 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 4 states. [2018-04-11 12:52:13,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 12:52:13,801 INFO L93 Difference]: Finished difference Result 33 states and 36 transitions. [2018-04-11 12:52:13,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 12:52:13,802 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2018-04-11 12:52:13,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 12:52:13,807 INFO L225 Difference]: With dead ends: 33 [2018-04-11 12:52:13,807 INFO L226 Difference]: Without dead ends: 29 [2018-04-11 12:52:13,808 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 12:52:13,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2018-04-11 12:52:13,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 27. [2018-04-11 12:52:13,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-04-11 12:52:13,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2018-04-11 12:52:13,827 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 10 [2018-04-11 12:52:13,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 12:52:13,827 INFO L459 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2018-04-11 12:52:13,827 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 12:52:13,827 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2018-04-11 12:52:13,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-04-11 12:52:13,828 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 12:52:13,828 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 12:52:13,828 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 12:52:13,828 INFO L82 PathProgramCache]: Analyzing trace with hash 479501040, now seen corresponding path program 1 times [2018-04-11 12:52:13,828 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 12:52:13,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 12:52:13,836 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 12:52:13,855 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 12:52:13,855 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 12:52:13,855 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-04-11 12:52:13,855 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 12:52:13,855 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 12:52:13,855 INFO L182 omatonBuilderFactory]: Interpolants [98#true, 99#false, 100#(= |#valid| |old(#valid)|)] [2018-04-11 12:52:13,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:52:13,856 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-11 12:52:13,856 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-11 12:52:13,857 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 12:52:13,857 INFO L87 Difference]: Start difference. First operand 27 states and 30 transitions. Second operand 3 states. [2018-04-11 12:52:13,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 12:52:13,869 INFO L93 Difference]: Finished difference Result 28 states and 30 transitions. [2018-04-11 12:52:13,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-11 12:52:13,870 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-04-11 12:52:13,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 12:52:13,870 INFO L225 Difference]: With dead ends: 28 [2018-04-11 12:52:13,870 INFO L226 Difference]: Without dead ends: 27 [2018-04-11 12:52:13,871 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 12:52:13,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-04-11 12:52:13,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 26. [2018-04-11 12:52:13,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-04-11 12:52:13,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 28 transitions. [2018-04-11 12:52:13,873 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 28 transitions. Word has length 10 [2018-04-11 12:52:13,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 12:52:13,873 INFO L459 AbstractCegarLoop]: Abstraction has 26 states and 28 transitions. [2018-04-11 12:52:13,873 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-11 12:52:13,873 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2018-04-11 12:52:13,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-04-11 12:52:13,873 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 12:52:13,873 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 12:52:13,873 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 12:52:13,874 INFO L82 PathProgramCache]: Analyzing trace with hash -1962940712, now seen corresponding path program 1 times [2018-04-11 12:52:13,874 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 12:52:13,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 12:52:13,889 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 12:52:13,966 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 12:52:13,966 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 12:52:13,966 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-11 12:52:13,966 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 12:52:13,966 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 12:52:13,967 INFO L182 omatonBuilderFactory]: Interpolants [160#(= 1 (select |#valid| __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~p~0.base)), 161#(= 1 (select |#valid| |__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_#t~post3.base|)), 155#true, 156#false, 157#(= 1 (select |#valid| |main_#t~malloc6.base|)), 158#(= 1 (select |#valid| main_~nondetArea~0.base)), 159#(= 1 (select |#valid| |__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_#in~b.base|))] [2018-04-11 12:52:13,967 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 12:52:13,967 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-11 12:52:13,967 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-11 12:52:13,967 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-04-11 12:52:13,967 INFO L87 Difference]: Start difference. First operand 26 states and 28 transitions. Second operand 7 states. [2018-04-11 12:52:14,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 12:52:14,028 INFO L93 Difference]: Finished difference Result 25 states and 27 transitions. [2018-04-11 12:52:14,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-11 12:52:14,028 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 16 [2018-04-11 12:52:14,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 12:52:14,028 INFO L225 Difference]: With dead ends: 25 [2018-04-11 12:52:14,029 INFO L226 Difference]: Without dead ends: 25 [2018-04-11 12:52:14,029 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 12:52:14,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-04-11 12:52:14,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2018-04-11 12:52:14,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-04-11 12:52:14,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 27 transitions. [2018-04-11 12:52:14,030 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 27 transitions. Word has length 16 [2018-04-11 12:52:14,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 12:52:14,031 INFO L459 AbstractCegarLoop]: Abstraction has 25 states and 27 transitions. [2018-04-11 12:52:14,031 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-11 12:52:14,031 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2018-04-11 12:52:14,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-04-11 12:52:14,031 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 12:52:14,031 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 12:52:14,031 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 12:52:14,031 INFO L82 PathProgramCache]: Analyzing trace with hash -1962940711, now seen corresponding path program 1 times [2018-04-11 12:52:14,032 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 12:52:14,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 12:52:14,040 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 12:52:14,106 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 12:52:14,106 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 12:52:14,106 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-11 12:52:14,106 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 12:52:14,106 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 12:52:14,107 INFO L182 omatonBuilderFactory]: Interpolants [224#(and (= 0 __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~p~0.offset) (<= 1 (select |#length| __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~p~0.base))), 225#(and (<= 1 (select |#length| |__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_#t~post3.base|)) (= |__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_#t~post3.offset| 0)), 218#true, 219#false, 220#(<= 1 main_~length~0), 221#(and (= 0 |main_#t~malloc6.offset|) (<= 1 (select |#length| |main_#t~malloc6.base|))), 222#(and (<= 1 (select |#length| main_~nondetArea~0.base)) (= 0 main_~nondetArea~0.offset)), 223#(and (= 0 |__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_#in~b.offset|) (<= 1 (select |#length| |__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_#in~b.base|)))] [2018-04-11 12:52:14,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:52:14,107 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-11 12:52:14,107 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-11 12:52:14,107 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-04-11 12:52:14,107 INFO L87 Difference]: Start difference. First operand 25 states and 27 transitions. Second operand 8 states. [2018-04-11 12:52:14,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 12:52:14,220 INFO L93 Difference]: Finished difference Result 31 states and 34 transitions. [2018-04-11 12:52:14,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-11 12:52:14,220 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 16 [2018-04-11 12:52:14,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 12:52:14,222 INFO L225 Difference]: With dead ends: 31 [2018-04-11 12:52:14,222 INFO L226 Difference]: Without dead ends: 31 [2018-04-11 12:52:14,223 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2018-04-11 12:52:14,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-04-11 12:52:14,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 28. [2018-04-11 12:52:14,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-04-11 12:52:14,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 31 transitions. [2018-04-11 12:52:14,225 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 31 transitions. Word has length 16 [2018-04-11 12:52:14,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 12:52:14,225 INFO L459 AbstractCegarLoop]: Abstraction has 28 states and 31 transitions. [2018-04-11 12:52:14,225 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-11 12:52:14,226 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2018-04-11 12:52:14,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-11 12:52:14,226 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 12:52:14,228 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 12:52:14,228 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 12:52:14,228 INFO L82 PathProgramCache]: Analyzing trace with hash -1468429103, now seen corresponding path program 1 times [2018-04-11 12:52:14,229 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 12:52:14,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 12:52:14,243 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 12:52:14,331 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 12:52:14,331 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 12:52:14,331 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2018-04-11 12:52:14,331 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 12:52:14,332 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 12:52:14,332 INFO L182 omatonBuilderFactory]: Interpolants [295#true, 296#false, 297#(and (<= 1 main_~n~0) (<= main_~n~0 1)), 298#(and (<= 1 |__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_#in~length|) (<= |__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_#in~length| 1)), 299#(and (<= 1 __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~length) (<= __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~length 1)), 300#(and (<= 0 __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~length) (<= __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~length 0)), 301#(and (<= 0 |__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_#t~post2|) (<= |__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_#t~post2| 0))] [2018-04-11 12:52:14,332 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 12:52:14,332 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-11 12:52:14,332 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-11 12:52:14,332 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-04-11 12:52:14,332 INFO L87 Difference]: Start difference. First operand 28 states and 31 transitions. Second operand 7 states. [2018-04-11 12:52:14,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 12:52:14,376 INFO L93 Difference]: Finished difference Result 48 states and 51 transitions. [2018-04-11 12:52:14,376 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-11 12:52:14,376 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-04-11 12:52:14,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 12:52:14,377 INFO L225 Difference]: With dead ends: 48 [2018-04-11 12:52:14,377 INFO L226 Difference]: Without dead ends: 48 [2018-04-11 12:52:14,377 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 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 12:52:14,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-04-11 12:52:14,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 41. [2018-04-11 12:52:14,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-04-11 12:52:14,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2018-04-11 12:52:14,381 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 45 transitions. Word has length 20 [2018-04-11 12:52:14,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 12:52:14,381 INFO L459 AbstractCegarLoop]: Abstraction has 41 states and 45 transitions. [2018-04-11 12:52:14,382 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-11 12:52:14,382 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2018-04-11 12:52:14,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-11 12:52:14,382 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 12:52:14,382 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 12:52:14,382 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 12:52:14,383 INFO L82 PathProgramCache]: Analyzing trace with hash -2055235117, now seen corresponding path program 1 times [2018-04-11 12:52:14,383 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 12:52:14,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 12:52:14,405 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 12:52:14,469 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 12:52:14,469 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 12:52:14,469 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-04-11 12:52:14,469 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 12:52:14,470 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 12:52:14,470 INFO L182 omatonBuilderFactory]: Interpolants [400#(and (<= main_~length~0 1) (<= 1 main_~n~0)), 401#(and (<= 1 main_~n~0) (<= main_~n~0 1)), 402#(and (<= 1 |__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_#in~length|) (<= |__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_#in~length| 1)), 403#(and (<= 1 __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~length) (<= __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~length 1)), 404#(and (<= 0 __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~length) (<= __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~length 0)), 405#(and (<= 0 |__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_#t~post2|) (<= |__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_#t~post2| 0)), 397#true, 398#false, 399#(<= main_~length~0 1)] [2018-04-11 12:52:14,470 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 12:52:14,470 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-11 12:52:14,470 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-11 12:52:14,470 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-04-11 12:52:14,471 INFO L87 Difference]: Start difference. First operand 41 states and 45 transitions. Second operand 9 states. [2018-04-11 12:52:14,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 12:52:14,567 INFO L93 Difference]: Finished difference Result 73 states and 79 transitions. [2018-04-11 12:52:14,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-11 12:52:14,567 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 20 [2018-04-11 12:52:14,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 12:52:14,568 INFO L225 Difference]: With dead ends: 73 [2018-04-11 12:52:14,568 INFO L226 Difference]: Without dead ends: 73 [2018-04-11 12:52:14,569 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 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 12:52:14,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-04-11 12:52:14,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 42. [2018-04-11 12:52:14,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-04-11 12:52:14,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 47 transitions. [2018-04-11 12:52:14,577 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 47 transitions. Word has length 20 [2018-04-11 12:52:14,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 12:52:14,577 INFO L459 AbstractCegarLoop]: Abstraction has 42 states and 47 transitions. [2018-04-11 12:52:14,577 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-11 12:52:14,578 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 47 transitions. [2018-04-11 12:52:14,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-11 12:52:14,578 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 12:52:14,578 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 12:52:14,578 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 12:52:14,579 INFO L82 PathProgramCache]: Analyzing trace with hash 1228614929, now seen corresponding path program 1 times [2018-04-11 12:52:14,579 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 12:52:14,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 12:52:14,591 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 12:52:14,736 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 12:52:14,737 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 12:52:14,737 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-04-11 12:52:14,737 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 12:52:14,737 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 12:52:14,737 INFO L182 omatonBuilderFactory]: Interpolants [529#true, 530#false, 531#(<= 1 main_~n~0), 532#(and (<= main_~n~0 main_~length~0) (<= 1 main_~n~0)), 533#(and (= 0 |main_#t~malloc6.offset|) (<= main_~n~0 (select |#length| |main_#t~malloc6.base|)) (<= 1 main_~n~0)), 534#(and (<= 1 main_~n~0) (= 0 main_~nondetArea~0.offset) (<= main_~n~0 (select |#length| main_~nondetArea~0.base))), 535#(and (= 0 |__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_#in~b.offset|) (<= 1 |__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_#in~length|) (<= |__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_#in~length| (select |#length| |__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_#in~b.base|))), 536#(and (<= 1 __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~length) (= 0 __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~p~0.offset) (<= __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~length (select |#length| __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~p~0.base))), 537#(and (<= 0 __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~length) (= 0 __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~p~0.offset) (<= (+ __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~length 1) (select |#length| __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~p~0.base))), 538#(and (<= (+ __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~length __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~p~0.offset) (+ |__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_#t~post3.offset| (select |#length| __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~p~0.base))) (<= 0 __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~length) (<= (+ |__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_#t~post3.offset| 1) __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~p~0.offset) (= |__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_#t~post3.offset| 0)), 539#(and (<= 1 __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~p~0.offset) (<= 0 __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~length) (<= (+ __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~length __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~p~0.offset) (select |#length| __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~p~0.base))), 540#(and (<= 1 __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~p~0.offset) (<= (+ __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~p~0.offset |__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_#t~post2|) (select |#length| __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~p~0.base)) (<= 0 |__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_#t~post2|)), 541#(and (<= 1 |__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_#t~post3.offset|) (<= (+ |__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_#t~post3.offset| 1) (select |#length| |__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_#t~post3.base|)))] [2018-04-11 12:52:14,738 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 12:52:14,738 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-11 12:52:14,738 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-11 12:52:14,738 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-04-11 12:52:14,738 INFO L87 Difference]: Start difference. First operand 42 states and 47 transitions. Second operand 13 states. [2018-04-11 12:52:14,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 12:52:14,914 INFO L93 Difference]: Finished difference Result 51 states and 57 transitions. [2018-04-11 12:52:14,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-11 12:52:14,914 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 20 [2018-04-11 12:52:14,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 12:52:14,915 INFO L225 Difference]: With dead ends: 51 [2018-04-11 12:52:14,915 INFO L226 Difference]: Without dead ends: 51 [2018-04-11 12:52:14,915 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=391, Unknown=0, NotChecked=0, Total=462 [2018-04-11 12:52:14,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-04-11 12:52:14,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 46. [2018-04-11 12:52:14,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-04-11 12:52:14,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 52 transitions. [2018-04-11 12:52:14,918 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 52 transitions. Word has length 20 [2018-04-11 12:52:14,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 12:52:14,918 INFO L459 AbstractCegarLoop]: Abstraction has 46 states and 52 transitions. [2018-04-11 12:52:14,918 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-11 12:52:14,918 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 52 transitions. [2018-04-11 12:52:14,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-04-11 12:52:14,918 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 12:52:14,919 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 12:52:14,919 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 12:52:14,919 INFO L82 PathProgramCache]: Analyzing trace with hash 214516216, now seen corresponding path program 1 times [2018-04-11 12:52:14,919 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 12:52:14,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 12:52:14,945 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 12:52:14,989 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 12:52:14,989 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 12:52:14,990 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-11 12:52:14,990 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 12:52:14,990 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 12:52:14,990 INFO L182 omatonBuilderFactory]: Interpolants [657#true, 658#false, 659#(and (<= 1 main_~n~0) (<= main_~n~0 1)), 660#(and (<= __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~length |__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_#in~length|) (<= |__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_#in~length| __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~length)), 661#(and (<= |__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_#in~length| |__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_#t~post2|) (<= |__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_#t~post2| |__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_#in~length|)), 662#(or (<= |__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_#in~length| 0) (<= 4294967296 |__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_#in~length|))] [2018-04-11 12:52:14,990 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 12:52:14,990 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 12:52:14,990 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 12:52:14,991 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-11 12:52:14,991 INFO L87 Difference]: Start difference. First operand 46 states and 52 transitions. Second operand 6 states. [2018-04-11 12:52:15,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 12:52:15,011 INFO L93 Difference]: Finished difference Result 59 states and 65 transitions. [2018-04-11 12:52:15,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 12:52:15,012 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2018-04-11 12:52:15,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 12:52:15,012 INFO L225 Difference]: With dead ends: 59 [2018-04-11 12:52:15,012 INFO L226 Difference]: Without dead ends: 59 [2018-04-11 12:52:15,013 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 12:52:15,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-04-11 12:52:15,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 52. [2018-04-11 12:52:15,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-04-11 12:52:15,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 59 transitions. [2018-04-11 12:52:15,018 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 59 transitions. Word has length 21 [2018-04-11 12:52:15,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 12:52:15,018 INFO L459 AbstractCegarLoop]: Abstraction has 52 states and 59 transitions. [2018-04-11 12:52:15,018 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 12:52:15,018 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 59 transitions. [2018-04-11 12:52:15,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-04-11 12:52:15,020 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 12:52:15,020 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 12:52:15,020 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 12:52:15,021 INFO L82 PathProgramCache]: Analyzing trace with hash -796601034, now seen corresponding path program 1 times [2018-04-11 12:52:15,021 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 12:52:15,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 12:52:15,031 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 12:52:15,073 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 12:52:15,073 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 12:52:15,073 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 12:52:15,073 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 12:52:15,073 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 12:52:15,073 INFO L182 omatonBuilderFactory]: Interpolants [774#true, 775#false, 776#(= |#valid| |old(#valid)|), 777#(= (store |#valid| |main_#t~malloc6.base| 0) |old(#valid)|)] [2018-04-11 12:52:15,073 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 12:52:15,073 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 12:52:15,074 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 12:52:15,074 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 12:52:15,074 INFO L87 Difference]: Start difference. First operand 52 states and 59 transitions. Second operand 4 states. [2018-04-11 12:52:15,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 12:52:15,095 INFO L93 Difference]: Finished difference Result 51 states and 58 transitions. [2018-04-11 12:52:15,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 12:52:15,095 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 21 [2018-04-11 12:52:15,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 12:52:15,095 INFO L225 Difference]: With dead ends: 51 [2018-04-11 12:52:15,095 INFO L226 Difference]: Without dead ends: 25 [2018-04-11 12:52:15,095 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 12:52:15,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-04-11 12:52:15,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2018-04-11 12:52:15,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-04-11 12:52:15,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2018-04-11 12:52:15,097 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 21 [2018-04-11 12:52:15,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 12:52:15,097 INFO L459 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2018-04-11 12:52:15,097 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 12:52:15,097 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2018-04-11 12:52:15,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-11 12:52:15,097 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 12:52:15,098 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 12:52:15,098 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 12:52:15,098 INFO L82 PathProgramCache]: Analyzing trace with hash -1363740919, now seen corresponding path program 2 times [2018-04-11 12:52:15,098 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 12:52:15,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 12:52:15,111 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 12:52:15,319 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 12:52:15,319 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 12:52:15,319 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-04-11 12:52:15,319 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 12:52:15,320 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 12:52:15,320 INFO L182 omatonBuilderFactory]: Interpolants [864#(and (<= 0 __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~length) (= 0 __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~p~0.offset) (<= (+ __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~length 1) (select |#length| __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~p~0.base))), 865#(and (<= (+ __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~length __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~p~0.offset) (+ |__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_#t~post3.offset| (select |#length| __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~p~0.base))) (<= 0 __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~length) (<= (+ |__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_#t~post3.offset| 1) __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~p~0.offset) (= |__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_#t~post3.offset| 0)), 866#(and (<= 1 __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~p~0.offset) (<= 0 __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~length) (<= (+ __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~length __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~p~0.offset) (select |#length| __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~p~0.base))), 867#(and (<= 1 __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~p~0.offset) (<= 0 |__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_#t~post2|) (<= |__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_#t~post2| (+ __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~length 1)) (<= (+ __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~length __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~p~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~p~0.base))), 868#(and (<= 2 __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~p~0.offset) (= |__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_#t~post3.base| __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~p~0.base) (<= (* 4294967296 (div (+ (- (select |#length| |__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_#t~post3.base|)) (+ __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~p~0.offset (+ __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~length 4294967295))) 4294967296)) __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~length)), 869#(and (<= 2 __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~p~0.offset) (<= (* 4294967296 (div (+ (- (select |#length| __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~p~0.base)) (+ __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~p~0.offset (+ __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~length 4294967295))) 4294967296)) __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~length)), 870#(and (<= 2 __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~p~0.offset) (<= (* 4294967296 (div (+ (- (select |#length| __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~p~0.base)) (+ |__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_#t~post2| (+ __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~p~0.offset 4294967295))) 4294967296)) |__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_#t~post2|)), 871#(and (<= 2 |__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_#t~post3.offset|) (<= (+ |__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_#t~post3.offset| 1) (select |#length| |__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_#t~post3.base|))), 856#true, 857#false, 858#(<= 1 main_~n~0), 859#(and (<= main_~n~0 main_~length~0) (<= 1 main_~n~0)), 860#(and (= 0 |main_#t~malloc6.offset|) (<= main_~n~0 (select |#length| |main_#t~malloc6.base|)) (<= 1 main_~n~0)), 861#(and (<= 1 main_~n~0) (= 0 main_~nondetArea~0.offset) (<= main_~n~0 (select |#length| main_~nondetArea~0.base))), 862#(and (= 0 |__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_#in~b.offset|) (<= 1 |__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_#in~length|) (<= |__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_#in~length| (select |#length| |__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_#in~b.base|))), 863#(and (<= 1 __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~length) (= 0 __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~p~0.offset) (<= __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~length (select |#length| __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero_~p~0.base)))] [2018-04-11 12:52:15,320 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 12:52:15,320 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-11 12:52:15,320 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-11 12:52:15,320 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2018-04-11 12:52:15,320 INFO L87 Difference]: Start difference. First operand 25 states and 25 transitions. Second operand 16 states. [2018-04-11 12:52:15,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 12:52:15,580 INFO L93 Difference]: Finished difference Result 25 states and 25 transitions. [2018-04-11 12:52:15,580 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-11 12:52:15,581 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 24 [2018-04-11 12:52:15,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 12:52:15,581 INFO L225 Difference]: With dead ends: 25 [2018-04-11 12:52:15,581 INFO L226 Difference]: Without dead ends: 0 [2018-04-11 12:52:15,581 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=98, Invalid=604, Unknown=0, NotChecked=0, Total=702 [2018-04-11 12:52:15,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-11 12:52:15,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-11 12:52:15,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-11 12:52:15,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-11 12:52:15,582 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2018-04-11 12:52:15,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 12:52:15,582 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-11 12:52:15,582 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-11 12:52:15,582 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-11 12:52:15,582 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-11 12:52:15,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.04 12:52:15 BoogieIcfgContainer [2018-04-11 12:52:15,585 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-11 12:52:15,585 INFO L168 Benchmark]: Toolchain (without parser) took 2603.53 ms. Allocated memory was 402.7 MB in the beginning and 611.8 MB in the end (delta: 209.2 MB). Free memory was 337.1 MB in the beginning and 426.4 MB in the end (delta: -89.3 MB). Peak memory consumption was 119.9 MB. Max. memory is 5.3 GB. [2018-04-11 12:52:15,586 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 402.7 MB. Free memory is still 361.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 12:52:15,586 INFO L168 Benchmark]: CACSL2BoogieTranslator took 226.09 ms. Allocated memory is still 402.7 MB. Free memory was 335.2 MB in the beginning and 312.8 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 5.3 GB. [2018-04-11 12:52:15,587 INFO L168 Benchmark]: Boogie Preprocessor took 32.48 ms. Allocated memory is still 402.7 MB. Free memory was 312.8 MB in the beginning and 310.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-11 12:52:15,587 INFO L168 Benchmark]: RCFGBuilder took 339.42 ms. Allocated memory was 402.7 MB in the beginning and 580.9 MB in the end (delta: 178.3 MB). Free memory was 310.1 MB in the beginning and 520.9 MB in the end (delta: -210.8 MB). Peak memory consumption was 24.5 MB. Max. memory is 5.3 GB. [2018-04-11 12:52:15,587 INFO L168 Benchmark]: TraceAbstraction took 2003.07 ms. Allocated memory was 580.9 MB in the beginning and 611.8 MB in the end (delta: 30.9 MB). Free memory was 520.9 MB in the beginning and 426.4 MB in the end (delta: 94.6 MB). Peak memory consumption was 125.5 MB. Max. memory is 5.3 GB. [2018-04-11 12:52:15,588 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 402.7 MB. Free memory is still 361.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 226.09 ms. Allocated memory is still 402.7 MB. Free memory was 335.2 MB in the beginning and 312.8 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 32.48 ms. Allocated memory is still 402.7 MB. Free memory was 312.8 MB in the beginning and 310.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 339.42 ms. Allocated memory was 402.7 MB in the beginning and 580.9 MB in the end (delta: 178.3 MB). Free memory was 310.1 MB in the beginning and 520.9 MB in the end (delta: -210.8 MB). Peak memory consumption was 24.5 MB. Max. memory is 5.3 GB. * TraceAbstraction took 2003.07 ms. Allocated memory was 580.9 MB in the beginning and 611.8 MB in the end (delta: 30.9 MB). Free memory was 520.9 MB in the beginning and 426.4 MB in the end (delta: 94.6 MB). Peak memory consumption was 125.5 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, 1.9s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 219 SDtfs, 186 SDslu, 792 SDs, 0 SdLazy, 545 SolverSat, 56 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 109 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 217 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 2/19 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, 0.7s InterpolantComputationTime, 178 NumberOfCodeBlocks, 178 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 168 ConstructedInterpolants, 0 QuantifiedInterpolants, 16089 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 6 PerfectInterpolantSequences, 2/19 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_SmtInterpol_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-11_12-52-15-594.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_SmtInterpol_Array.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-11_12-52-15-594.csv Received shutdown request...