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_NoArray.epf -i ../../../trunk/examples/svcomp/array-memsafety/openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-11 15:12:38,046 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 15:12:38,047 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 15:12:38,056 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 15:12:38,057 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 15:12:38,057 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 15:12:38,058 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 15:12:38,059 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 15:12:38,060 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 15:12:38,060 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 15:12:38,061 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 15:12:38,061 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 15:12:38,061 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 15:12:38,062 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 15:12:38,062 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 15:12:38,064 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 15:12:38,066 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 15:12:38,067 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 15:12:38,068 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 15:12:38,069 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 15:12:38,071 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-11 15:12:38,071 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-11 15:12:38,072 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-11 15:12:38,073 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-11 15:12:38,073 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-11 15:12:38,074 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-11 15:12:38,074 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-11 15:12:38,075 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-11 15:12:38,076 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-11 15:12:38,076 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-11 15:12:38,076 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-11 15:12:38,077 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_NoArray.epf [2018-04-11 15:12:38,099 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 15:12:38,100 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 15:12:38,101 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-11 15:12:38,101 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-11 15:12:38,101 INFO L133 SettingsManager]: * Use SBE=true [2018-04-11 15:12:38,101 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 15:12:38,101 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 15:12:38,101 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 15:12:38,101 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 15:12:38,101 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 15:12:38,101 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 15:12:38,101 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 15:12:38,102 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-11 15:12:38,102 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 15:12:38,102 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 15:12:38,102 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 15:12:38,102 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-11 15:12:38,102 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-11 15:12:38,102 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 15:12:38,102 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 15:12:38,102 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 15:12:38,103 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-11 15:12:38,103 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-11 15:12:38,103 INFO L133 SettingsManager]: * Trace refinement strategy=SMTINTERPOL Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-11 15:12:38,133 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 15:12:38,140 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 15:12:38,143 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 15:12:38,144 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 15:12:38,144 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 15:12:38,144 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,498 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG84da4e2f9 [2018-04-11 15:12:38,621 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 15:12:38,621 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 15:12:38,622 INFO L168 CDTParser]: Scanning openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,629 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 15:12:38,629 INFO L215 ultiparseSymbolTable]: [2018-04-11 15:12:38,629 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 15:12:38,630 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____bswap_64 ('__bswap_64') in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,630 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,630 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset ('cmemset') in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,630 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____bswap_32 ('__bswap_32') in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,630 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 15:12:38,630 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__pthread_mutexattr_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,630 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____u_short in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,630 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__pthread_mutex_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,631 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__key_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,631 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____timer_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,631 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____fsfilcnt_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,631 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____mode_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,631 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__u_int in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,631 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____ssize_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,632 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____intptr_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,632 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__div_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,632 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____int32_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,632 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__time_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,632 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__size_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,632 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__gid_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,632 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__u_short in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,632 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____uint32_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,632 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____blkcnt64_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,633 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____nlink_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,633 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__fd_set in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,633 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__int32_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,633 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__mode_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,633 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__caddr_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,633 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__pid_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,633 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__fsfilcnt_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,633 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__ssize_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,633 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__u_quad_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,633 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____caddr_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,634 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____blksize_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,634 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____qaddr_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,634 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__sigset_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,634 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__pthread_barrierattr_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,634 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____dev_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,634 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____fsblkcnt_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,634 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____int8_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,634 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__pthread_key_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,634 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__pthread_rwlock_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,634 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__ldiv_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,634 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____u_int in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,635 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__pthread_condattr_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,635 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____useconds_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,635 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____fsfilcnt64_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,635 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____uint16_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,635 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____rlim64_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,635 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____daddr_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,635 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__register_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,635 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____int64_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,635 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__int8_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,635 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__ino_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,636 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__u_int64_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,636 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__loff_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,636 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____time_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,636 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____uint8_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,636 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____key_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,636 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____WAIT_STATUS in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,636 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__ushort in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,636 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____pid_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,636 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____ino_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,636 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____syscall_slong_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,636 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__fd_mask in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,637 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__pthread_barrier_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,637 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__int64_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,637 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____sigset_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,637 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____gid_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,637 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__suseconds_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,637 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__quad_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,637 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__fsid_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,637 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__clockid_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,637 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____clockid_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,637 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__daddr_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,638 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____clock_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,638 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____loff_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,638 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____blkcnt_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,638 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__u_int16_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,638 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__pthread_cond_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,638 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,638 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____int16_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,638 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__dev_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,638 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__id_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,638 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__pthread_spinlock_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,639 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__clock_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,639 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____off_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,639 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____fsid_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,639 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__nlink_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,639 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____ino64_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,639 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__u_long in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,639 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__uint in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,639 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____uid_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,639 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__ulong in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,639 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____uint64_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,640 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____fsword_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,640 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__pthread_once_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,640 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____sig_atomic_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,640 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__blksize_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,640 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__pthread_attr_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,640 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__timer_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,640 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____fd_mask in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,640 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____pthread_list_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,640 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__pthread_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,640 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____syscall_ulong_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,640 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__int16_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,640 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__blkcnt_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,640 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____id_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,640 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____u_long in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,640 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__u_int32_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,641 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__u_int8_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,641 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__u_char in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,641 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__off_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,641 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__fsblkcnt_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,641 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__wchar_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,641 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____socklen_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,641 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__uid_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,641 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__lldiv_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,641 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____quad_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,641 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____rlim_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,641 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____fsblkcnt64_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,641 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____u_char in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,641 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____u_quad_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,641 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____off64_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,642 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____suseconds_t in openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:38,656 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG84da4e2f9 [2018-04-11 15:12:38,659 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 15:12:38,660 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 15:12:38,660 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 15:12:38,660 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 15:12:38,665 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 15:12:38,666 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 03:12:38" (1/1) ... [2018-04-11 15:12:38,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34011e88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:12:38, skipping insertion in model container [2018-04-11 15:12:38,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 03:12:38" (1/1) ... [2018-04-11 15:12:38,679 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 15:12:38,702 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 15:12:38,827 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 15:12:38,855 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 15:12:38,860 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-11 15:12:38,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:12:38 WrapperNode [2018-04-11 15:12:38,887 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 15:12:38,887 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 15:12:38,887 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 15:12:38,887 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 15:12:38,895 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:12:38" (1/1) ... [2018-04-11 15:12:38,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:12:38" (1/1) ... [2018-04-11 15:12:38,909 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:12:38" (1/1) ... [2018-04-11 15:12:38,909 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:12:38" (1/1) ... [2018-04-11 15:12:38,916 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:12:38" (1/1) ... [2018-04-11 15:12:38,920 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:12:38" (1/1) ... [2018-04-11 15:12:38,922 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:12:38" (1/1) ... [2018-04-11 15:12:38,925 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 15:12:38,926 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 15:12:38,926 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 15:12:38,926 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 15:12:38,927 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:12:38" (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 15:12:39,013 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 15:12:39,013 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 15:12:39,014 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-11 15:12:39,014 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-11 15:12:39,014 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset [2018-04-11 15:12:39,014 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 15:12:39,014 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-11 15:12:39,014 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-11 15:12:39,014 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 15:12:39,014 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 15:12:39,015 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 15:12:39,015 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 15:12:39,015 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 15:12:39,015 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 15:12:39,015 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 15:12:39,015 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 15:12:39,015 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 15:12:39,015 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 15:12:39,015 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 15:12:39,015 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 15:12:39,016 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 15:12:39,016 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 15:12:39,016 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 15:12:39,016 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 15:12:39,016 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 15:12:39,016 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 15:12:39,016 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 15:12:39,016 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 15:12:39,016 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 15:12:39,016 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 15:12:39,017 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 15:12:39,017 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 15:12:39,017 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 15:12:39,017 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 15:12:39,017 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 15:12:39,017 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 15:12:39,017 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 15:12:39,017 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 15:12:39,017 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 15:12:39,017 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 15:12:39,018 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 15:12:39,018 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 15:12:39,018 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 15:12:39,018 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 15:12:39,018 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 15:12:39,018 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 15:12:39,018 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 15:12:39,018 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 15:12:39,018 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 15:12:39,018 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 15:12:39,018 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 15:12:39,019 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 15:12:39,019 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 15:12:39,019 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 15:12:39,019 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 15:12:39,019 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 15:12:39,019 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 15:12:39,019 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 15:12:39,019 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 15:12:39,019 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 15:12:39,019 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 15:12:39,019 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 15:12:39,019 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 15:12:39,020 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 15:12:39,020 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 15:12:39,020 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 15:12:39,020 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 15:12:39,020 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 15:12:39,020 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 15:12:39,020 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-11 15:12:39,020 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 15:12:39,020 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 15:12:39,020 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 15:12:39,021 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 15:12:39,021 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 15:12:39,021 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 15:12:39,021 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 15:12:39,021 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 15:12:39,021 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 15:12:39,021 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 15:12:39,021 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 15:12:39,021 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 15:12:39,021 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 15:12:39,021 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 15:12:39,021 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 15:12:39,021 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 15:12:39,021 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 15:12:39,021 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 15:12:39,021 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 15:12:39,021 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 15:12:39,021 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 15:12:39,022 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 15:12:39,022 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 15:12:39,022 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 15:12:39,022 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 15:12:39,022 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 15:12:39,022 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 15:12:39,022 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 15:12:39,022 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 15:12:39,022 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 15:12:39,022 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 15:12:39,022 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 15:12:39,023 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 15:12:39,023 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 15:12:39,023 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 15:12:39,023 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 15:12:39,023 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 15:12:39,023 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 15:12:39,023 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-11 15:12:39,023 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemset [2018-04-11 15:12:39,023 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-11 15:12:39,023 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 15:12:39,024 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 15:12:39,024 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 15:12:39,024 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 15:12:39,024 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 15:12:39,024 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-11 15:12:39,024 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-11 15:12:39,260 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 15:12:39,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 03:12:39 BoogieIcfgContainer [2018-04-11 15:12:39,261 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 15:12:39,261 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 15:12:39,261 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 15:12:39,264 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 15:12:39,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 03:12:38" (1/3) ... [2018-04-11 15:12:39,264 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24517804 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 03:12:39, skipping insertion in model container [2018-04-11 15:12:39,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:12:38" (2/3) ... [2018-04-11 15:12:39,265 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24517804 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 03:12:39, skipping insertion in model container [2018-04-11 15:12:39,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 03:12:39" (3/3) ... [2018-04-11 15:12:39,267 INFO L107 eAbstractionObserver]: Analyzing ICFG openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:39,275 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-11 15:12:39,282 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-04-11 15:12:39,308 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 15:12:39,309 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 15:12:39,309 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-11 15:12:39,309 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-11 15:12:39,309 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-11 15:12:39,309 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 15:12:39,309 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 15:12:39,309 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 15:12:39,309 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 15:12:39,310 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 15:12:39,319 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2018-04-11 15:12:39,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-11 15:12:39,326 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:12:39,327 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:12:39,327 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemsetErr0RequiresViolation, __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemsetErr1RequiresViolation]=== [2018-04-11 15:12:39,330 INFO L82 PathProgramCache]: Analyzing trace with hash -137966197, now seen corresponding path program 1 times [2018-04-11 15:12:39,331 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:12:39,331 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:12:39,362 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:12:39,362 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:12:39,362 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:12:39,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:12:39,413 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:12:39,495 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 15:12:39,498 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:12:39,498 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-11 15:12:39,499 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-11 15:12:39,507 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-11 15:12:39,508 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-04-11 15:12:39,510 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 8 states. [2018-04-11 15:12:39,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:12:39,650 INFO L93 Difference]: Finished difference Result 33 states and 36 transitions. [2018-04-11 15:12:39,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-11 15:12:39,652 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 15 [2018-04-11 15:12:39,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:12:39,661 INFO L225 Difference]: With dead ends: 33 [2018-04-11 15:12:39,661 INFO L226 Difference]: Without dead ends: 30 [2018-04-11 15:12:39,662 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2018-04-11 15:12:39,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2018-04-11 15:12:39,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 27. [2018-04-11 15:12:39,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-04-11 15:12:39,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2018-04-11 15:12:39,690 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 15 [2018-04-11 15:12:39,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:12:39,691 INFO L459 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2018-04-11 15:12:39,691 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-11 15:12:39,691 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2018-04-11 15:12:39,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-11 15:12:39,692 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:12:39,692 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:12:39,692 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemsetErr0RequiresViolation, __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemsetErr1RequiresViolation]=== [2018-04-11 15:12:39,692 INFO L82 PathProgramCache]: Analyzing trace with hash -137966196, now seen corresponding path program 1 times [2018-04-11 15:12:39,692 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:12:39,693 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:12:39,693 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:12:39,694 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:12:39,694 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:12:39,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:12:39,710 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:12:39,873 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 15:12:39,874 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:12:39,874 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-11 15:12:39,875 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-11 15:12:39,876 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-11 15:12:39,876 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-04-11 15:12:39,876 INFO L87 Difference]: Start difference. First operand 27 states and 30 transitions. Second operand 9 states. [2018-04-11 15:12:40,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:12:40,019 INFO L93 Difference]: Finished difference Result 30 states and 33 transitions. [2018-04-11 15:12:40,020 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-11 15:12:40,020 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 15 [2018-04-11 15:12:40,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:12:40,020 INFO L225 Difference]: With dead ends: 30 [2018-04-11 15:12:40,020 INFO L226 Difference]: Without dead ends: 30 [2018-04-11 15:12:40,021 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2018-04-11 15:12:40,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2018-04-11 15:12:40,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 29. [2018-04-11 15:12:40,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-04-11 15:12:40,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions. [2018-04-11 15:12:40,025 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 15 [2018-04-11 15:12:40,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:12:40,025 INFO L459 AbstractCegarLoop]: Abstraction has 29 states and 32 transitions. [2018-04-11 15:12:40,025 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-11 15:12:40,025 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2018-04-11 15:12:40,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-11 15:12:40,026 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:12:40,026 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] [2018-04-11 15:12:40,026 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemsetErr0RequiresViolation, __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemsetErr1RequiresViolation]=== [2018-04-11 15:12:40,026 INFO L82 PathProgramCache]: Analyzing trace with hash -1465340769, now seen corresponding path program 1 times [2018-04-11 15:12:40,026 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:12:40,026 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:12:40,027 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:12:40,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:12:40,027 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:12:40,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:12:40,050 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:12:40,056 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-11 15:12:40,056 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 15:12:40,056 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-11 15:12:40,057 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:12:40,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:12:40,092 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 15:12:40,134 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 15:12:40,135 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:12:40,135 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-11 15:12:40,135 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 15:12:40,135 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 15:12:40,135 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-04-11 15:12:40,136 INFO L87 Difference]: Start difference. First operand 29 states and 32 transitions. Second operand 6 states. [2018-04-11 15:12:40,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:12:40,167 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2018-04-11 15:12:40,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 15:12:40,167 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2018-04-11 15:12:40,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:12:40,168 INFO L225 Difference]: With dead ends: 34 [2018-04-11 15:12:40,168 INFO L226 Difference]: Without dead ends: 31 [2018-04-11 15:12:40,168 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-04-11 15:12:40,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-04-11 15:12:40,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 29. [2018-04-11 15:12:40,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-04-11 15:12:40,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2018-04-11 15:12:40,171 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 20 [2018-04-11 15:12:40,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:12:40,171 INFO L459 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2018-04-11 15:12:40,172 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 15:12:40,172 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2018-04-11 15:12:40,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-11 15:12:40,172 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:12:40,172 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:12:40,172 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemsetErr0RequiresViolation, __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemsetErr1RequiresViolation]=== [2018-04-11 15:12:40,173 INFO L82 PathProgramCache]: Analyzing trace with hash -1290243612, now seen corresponding path program 1 times [2018-04-11 15:12:40,173 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:12:40,173 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:12:40,174 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:12:40,174 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:12:40,174 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:12:40,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:12:40,207 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:12:40,361 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:12:40,361 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 15:12:40,361 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-11 15:12:40,362 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:12:40,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:12:40,390 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 15:12:40,407 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 15:12:40,408 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:12:40,411 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:12:40,412 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-04-11 15:12:40,648 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:12:40,648 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 15:12:40,649 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2018-04-11 15:12:40,649 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-11 15:12:40,649 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-11 15:12:40,650 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=452, Unknown=0, NotChecked=0, Total=506 [2018-04-11 15:12:40,650 INFO L87 Difference]: Start difference. First operand 29 states and 31 transitions. Second operand 23 states. [2018-04-11 15:12:41,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:12:41,007 INFO L93 Difference]: Finished difference Result 35 states and 38 transitions. [2018-04-11 15:12:41,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-11 15:12:41,008 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 20 [2018-04-11 15:12:41,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:12:41,008 INFO L225 Difference]: With dead ends: 35 [2018-04-11 15:12:41,008 INFO L226 Difference]: Without dead ends: 35 [2018-04-11 15:12:41,009 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=126, Invalid=866, Unknown=0, NotChecked=0, Total=992 [2018-04-11 15:12:41,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-04-11 15:12:41,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 34. [2018-04-11 15:12:41,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-04-11 15:12:41,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 37 transitions. [2018-04-11 15:12:41,011 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 37 transitions. Word has length 20 [2018-04-11 15:12:41,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:12:41,011 INFO L459 AbstractCegarLoop]: Abstraction has 34 states and 37 transitions. [2018-04-11 15:12:41,011 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-11 15:12:41,011 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2018-04-11 15:12:41,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-04-11 15:12:41,012 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:12:41,012 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:12:41,012 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemsetErr0RequiresViolation, __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemsetErr1RequiresViolation]=== [2018-04-11 15:12:41,012 INFO L82 PathProgramCache]: Analyzing trace with hash -611441635, now seen corresponding path program 1 times [2018-04-11 15:12:41,012 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:12:41,012 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:12:41,013 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:12:41,013 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:12:41,014 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:12:41,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:12:41,034 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:12:41,035 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-11 15:12:41,036 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 15:12:41,036 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-11 15:12:41,036 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:12:41,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:12:41,056 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 15:12:41,064 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:12:41,065 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2018-04-11 15:12:41,065 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:12:41,067 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 15:12:41,067 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-04-11 15:12:41,084 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc7.base| Int)) (and (= (select |c_old(#valid)| |main_#t~malloc7.base|) 0) (= (store |c_old(#valid)| |main_#t~malloc7.base| 0) |c_#valid|))) is different from true [2018-04-11 15:12:41,087 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 15:12:41,087 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:12:41,088 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 15:12:41,088 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 15:12:41,088 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 15:12:41,088 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=13, Unknown=1, NotChecked=6, Total=30 [2018-04-11 15:12:41,088 INFO L87 Difference]: Start difference. First operand 34 states and 37 transitions. Second operand 6 states. [2018-04-11 15:12:41,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:12:41,137 INFO L93 Difference]: Finished difference Result 33 states and 36 transitions. [2018-04-11 15:12:41,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 15:12:41,137 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2018-04-11 15:12:41,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:12:41,138 INFO L225 Difference]: With dead ends: 33 [2018-04-11 15:12:41,138 INFO L226 Difference]: Without dead ends: 26 [2018-04-11 15:12:41,138 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=28, Unknown=1, NotChecked=10, Total=56 [2018-04-11 15:12:41,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2018-04-11 15:12:41,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2018-04-11 15:12:41,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-04-11 15:12:41,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 28 transitions. [2018-04-11 15:12:41,141 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 28 transitions. Word has length 25 [2018-04-11 15:12:41,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:12:41,141 INFO L459 AbstractCegarLoop]: Abstraction has 26 states and 28 transitions. [2018-04-11 15:12:41,141 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 15:12:41,141 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2018-04-11 15:12:41,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-04-11 15:12:41,142 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:12:41,142 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:12:41,142 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemsetErr0RequiresViolation, __U_MULTI_fopenbsd_cmemset_alloca_true_valid_memsafety_true_termination_i__cmemsetErr1RequiresViolation]=== [2018-04-11 15:12:41,142 INFO L82 PathProgramCache]: Analyzing trace with hash -749222772, now seen corresponding path program 2 times [2018-04-11 15:12:41,142 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:12:41,142 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:12:41,143 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:12:41,143 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:12:41,143 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:12:41,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:12:41,158 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:12:41,383 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:12:41,384 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 15:12:41,384 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-11 15:12:41,384 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-11 15:12:41,414 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-11 15:12:41,415 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-11 15:12:41,418 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 15:12:41,432 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 15:12:41,433 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:12:41,435 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:12:41,435 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-04-11 15:12:41,861 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:12:41,862 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 15:12:41,862 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 28 [2018-04-11 15:12:41,862 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-11 15:12:41,862 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-11 15:12:41,862 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=753, Unknown=0, NotChecked=0, Total=812 [2018-04-11 15:12:41,862 INFO L87 Difference]: Start difference. First operand 26 states and 28 transitions. Second operand 29 states. [2018-04-11 15:12:42,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:12:42,817 INFO L93 Difference]: Finished difference Result 31 states and 33 transitions. [2018-04-11 15:12:42,818 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-04-11 15:12:42,818 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 25 [2018-04-11 15:12:42,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:12:42,818 INFO L225 Difference]: With dead ends: 31 [2018-04-11 15:12:42,818 INFO L226 Difference]: Without dead ends: 0 [2018-04-11 15:12:42,818 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=215, Invalid=1947, Unknown=0, NotChecked=0, Total=2162 [2018-04-11 15:12:42,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-11 15:12:42,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-11 15:12:42,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-11 15:12:42,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-11 15:12:42,819 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2018-04-11 15:12:42,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:12:42,819 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-11 15:12:42,819 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-11 15:12:42,819 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-11 15:12:42,819 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-11 15:12:42,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.04 03:12:42 BoogieIcfgContainer [2018-04-11 15:12:42,822 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-11 15:12:42,822 INFO L168 Benchmark]: Toolchain (without parser) took 4162.86 ms. Allocated memory was 402.1 MB in the beginning and 643.3 MB in the end (delta: 241.2 MB). Free memory was 334.7 MB in the beginning and 458.9 MB in the end (delta: -124.2 MB). Peak memory consumption was 116.9 MB. Max. memory is 5.3 GB. [2018-04-11 15:12:42,823 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 402.1 MB. Free memory is still 359.5 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 15:12:42,823 INFO L168 Benchmark]: CACSL2BoogieTranslator took 226.61 ms. Allocated memory is still 402.1 MB. Free memory was 333.3 MB in the beginning and 309.6 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 5.3 GB. [2018-04-11 15:12:42,823 INFO L168 Benchmark]: Boogie Preprocessor took 38.12 ms. Allocated memory is still 402.1 MB. Free memory was 309.6 MB in the beginning and 306.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-11 15:12:42,823 INFO L168 Benchmark]: RCFGBuilder took 335.20 ms. Allocated memory was 402.1 MB in the beginning and 584.1 MB in the end (delta: 181.9 MB). Free memory was 306.9 MB in the beginning and 523.8 MB in the end (delta: -216.8 MB). Peak memory consumption was 24.4 MB. Max. memory is 5.3 GB. [2018-04-11 15:12:42,824 INFO L168 Benchmark]: TraceAbstraction took 3560.39 ms. Allocated memory was 584.1 MB in the beginning and 643.3 MB in the end (delta: 59.2 MB). Free memory was 523.8 MB in the beginning and 458.9 MB in the end (delta: 64.9 MB). Peak memory consumption was 124.1 MB. Max. memory is 5.3 GB. [2018-04-11 15:12:42,824 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 402.1 MB. Free memory is still 359.5 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 226.61 ms. Allocated memory is still 402.1 MB. Free memory was 333.3 MB in the beginning and 309.6 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 38.12 ms. Allocated memory is still 402.1 MB. Free memory was 309.6 MB in the beginning and 306.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 335.20 ms. Allocated memory was 402.1 MB in the beginning and 584.1 MB in the end (delta: 181.9 MB). Free memory was 306.9 MB in the beginning and 523.8 MB in the end (delta: -216.8 MB). Peak memory consumption was 24.4 MB. Max. memory is 5.3 GB. * TraceAbstraction took 3560.39 ms. Allocated memory was 584.1 MB in the beginning and 643.3 MB in the end (delta: 59.2 MB). Free memory was 523.8 MB in the beginning and 458.9 MB in the end (delta: 64.9 MB). Peak memory consumption was 124.1 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 551]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 37 locations, 3 error locations. SAFE Result, 3.5s OverallTime, 6 OverallIterations, 3 TraceHistogramMax, 1.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 123 SDtfs, 204 SDslu, 789 SDs, 0 SdLazy, 738 SolverSat, 71 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 165 GetRequests, 57 SyntacticMatches, 1 SemanticMatches, 107 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 414 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 7 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 210 NumberOfCodeBlocks, 210 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 157 ConstructedInterpolants, 12 QuantifiedInterpolants, 29465 SizeOfPredicates, 23 NumberOfNonLiveVariables, 428 ConjunctsInSsa, 96 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 0/22 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_cmemset-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-11_15-12-42-828.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-11_15-12-42-828.csv Received shutdown request...