java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv --cacsl2boogietranslator.bitprecise.bitfields false -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf -i ../../../trunk/examples/svcomp/array-memsafety/openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-11 09:59:35,289 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 09:59:35,291 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 09:59:35,303 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 09:59:35,303 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 09:59:35,304 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 09:59:35,305 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 09:59:35,306 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 09:59:35,308 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 09:59:35,309 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 09:59:35,310 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 09:59:35,310 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 09:59:35,311 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 09:59:35,312 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 09:59:35,312 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 09:59:35,314 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 09:59:35,315 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 09:59:35,317 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 09:59:35,318 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 09:59:35,319 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 09:59:35,321 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-11 09:59:35,321 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-11 09:59:35,321 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-11 09:59:35,322 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-11 09:59:35,323 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-11 09:59:35,323 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-11 09:59:35,324 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-11 09:59:35,324 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-11 09:59:35,325 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-11 09:59:35,325 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-11 09:59:35,325 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-11 09:59:35,325 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf [2018-04-11 09:59:35,346 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 09:59:35,346 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 09:59:35,347 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-11 09:59:35,347 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-11 09:59:35,348 INFO L133 SettingsManager]: * Use SBE=true [2018-04-11 09:59:35,348 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 09:59:35,348 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 09:59:35,348 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 09:59:35,348 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 09:59:35,348 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 09:59:35,349 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 09:59:35,349 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 09:59:35,349 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-11 09:59:35,349 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 09:59:35,349 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 09:59:35,349 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 09:59:35,349 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-11 09:59:35,350 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-11 09:59:35,350 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 09:59:35,350 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 09:59:35,350 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 09:59:35,350 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-11 09:59:35,350 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-11 09:59:35,350 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-11 09:59:35,379 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 09:59:35,389 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 09:59:35,393 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 09:59:35,394 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 09:59:35,394 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 09:59:35,395 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,672 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG1d52cf77a [2018-04-11 09:59:35,831 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 09:59:35,831 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 09:59:35,832 INFO L168 CDTParser]: Scanning openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,839 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 09:59:35,839 INFO L215 ultiparseSymbolTable]: [2018-04-11 09:59:35,839 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 09:59:35,839 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____bswap_32 ('__bswap_32') in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,840 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____bswap_64 ('__bswap_64') in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,840 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,840 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__cmemchr ('cmemchr') in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,840 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 09:59:35,840 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__pid_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,840 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__fsfilcnt_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,840 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__ino_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,840 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____ssize_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,840 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____socklen_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,840 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____mode_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,841 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____fsfilcnt64_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,841 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__int32_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,841 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____timer_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,841 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__size_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,841 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____nlink_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,841 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____intptr_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,841 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____int8_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,841 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__off_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,841 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__timer_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,841 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__caddr_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,841 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__key_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,841 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____fsword_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,841 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____uint64_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,841 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__mode_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,841 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____u_short in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,841 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__u_short in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,842 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____uid_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,842 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__gid_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,842 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____blkcnt64_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,842 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__ssize_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,842 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__nlink_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,842 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____id_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,842 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__lldiv_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,842 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__pthread_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,842 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__uid_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,842 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__int16_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,842 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____syscall_ulong_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,842 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____uint32_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,842 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__pthread_attr_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,843 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__wchar_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,843 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__blksize_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,843 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__fsblkcnt_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,843 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__div_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,843 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__pthread_once_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,843 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____sig_atomic_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,843 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__clockid_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,843 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____int32_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,843 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__u_int8_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,843 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____clockid_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,843 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__u_int16_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,844 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__quad_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,844 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__u_int32_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,844 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____fd_mask in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,844 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____rlim_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,844 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__u_int in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,844 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____pthread_list_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,844 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__pthread_barrier_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,844 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__pthread_mutexattr_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,844 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____u_quad_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,844 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____pid_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,844 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____quad_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,844 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____fsblkcnt64_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,844 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____u_char in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,845 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____off64_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,845 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____suseconds_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,845 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____uint16_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,845 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__u_long in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,845 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____off_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,845 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__clock_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,845 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____gid_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,845 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____int16_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,845 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____syscall_slong_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,845 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____u_long in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,845 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__u_char in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,846 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__blkcnt_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,846 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____loff_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,846 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__daddr_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,846 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____blkcnt_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,846 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__sigset_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,846 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__pthread_cond_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,846 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____sigset_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,846 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__fd_mask in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,846 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__suseconds_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,846 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__pthread_spinlock_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,846 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____ino_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,847 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____caddr_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,847 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,847 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____ino64_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,847 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__ulong in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,847 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__uint in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,847 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____fsid_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,847 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____dev_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,847 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____fsblkcnt_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,847 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____useconds_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,847 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__id_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,847 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____rlim64_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,847 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__pthread_condattr_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,847 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____qaddr_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,847 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__fd_set in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,847 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____blksize_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,847 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__dev_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,847 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____clock_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,847 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__pthread_key_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,847 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____u_int in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,847 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__fsid_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,847 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__time_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,848 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__pthread_rwlock_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,848 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__pthread_barrierattr_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,848 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____daddr_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,848 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____fsfilcnt_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,848 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__register_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,848 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__pthread_mutex_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,848 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____WAIT_STATUS in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,848 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__int64_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,848 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____key_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,848 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__ushort in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,848 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__ldiv_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,848 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____int64_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,848 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____uint8_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,848 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__u_quad_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,849 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__u_int64_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,849 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____time_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,849 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__int8_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,849 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__loff_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:35,862 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG1d52cf77a [2018-04-11 09:59:35,866 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 09:59:35,867 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 09:59:35,868 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 09:59:35,868 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 09:59:35,873 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 09:59:35,874 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 09:59:35" (1/1) ... [2018-04-11 09:59:35,876 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a851dce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:59:35, skipping insertion in model container [2018-04-11 09:59:35,876 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 09:59:35" (1/1) ... [2018-04-11 09:59:35,889 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 09:59:35,911 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 09:59:36,049 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 09:59:36,084 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 09:59:36,090 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-11 09:59:36,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:59:36 WrapperNode [2018-04-11 09:59:36,126 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 09:59:36,126 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 09:59:36,127 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 09:59:36,127 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 09:59:36,137 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:59:36" (1/1) ... [2018-04-11 09:59:36,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:59:36" (1/1) ... [2018-04-11 09:59:36,148 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:59:36" (1/1) ... [2018-04-11 09:59:36,149 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:59:36" (1/1) ... [2018-04-11 09:59:36,155 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:59:36" (1/1) ... [2018-04-11 09:59:36,159 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:59:36" (1/1) ... [2018-04-11 09:59:36,161 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:59:36" (1/1) ... [2018-04-11 09:59:36,164 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 09:59:36,164 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 09:59:36,164 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 09:59:36,164 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 09:59:36,165 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:59:36" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 09:59:36,288 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 09:59:36,290 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 09:59:36,290 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-11 09:59:36,291 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-11 09:59:36,291 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__cmemchr [2018-04-11 09:59:36,291 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 09:59:36,291 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-11 09:59:36,291 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-11 09:59:36,291 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 09:59:36,291 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 09:59:36,291 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 09:59:36,291 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 09:59:36,292 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 09:59:36,292 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 09:59:36,292 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 09:59:36,292 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 09:59:36,292 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 09:59:36,292 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 09:59:36,292 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 09:59:36,292 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 09:59:36,292 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 09:59:36,292 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 09:59:36,293 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 09:59:36,293 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 09:59:36,293 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 09:59:36,293 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 09:59:36,293 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 09:59:36,293 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 09:59:36,293 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 09:59:36,293 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 09:59:36,293 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 09:59:36,293 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 09:59:36,294 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 09:59:36,294 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 09:59:36,294 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 09:59:36,294 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 09:59:36,294 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 09:59:36,294 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 09:59:36,294 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 09:59:36,294 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 09:59:36,294 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 09:59:36,294 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 09:59:36,294 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 09:59:36,295 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 09:59:36,295 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 09:59:36,295 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 09:59:36,295 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 09:59:36,295 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 09:59:36,295 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 09:59:36,295 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 09:59:36,295 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 09:59:36,295 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 09:59:36,296 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 09:59:36,296 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 09:59:36,296 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 09:59:36,296 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 09:59:36,296 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 09:59:36,296 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 09:59:36,296 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 09:59:36,296 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 09:59:36,296 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 09:59:36,296 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 09:59:36,297 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 09:59:36,297 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 09:59:36,297 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 09:59:36,297 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 09:59:36,297 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 09:59:36,297 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 09:59:36,297 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 09:59:36,297 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-11 09:59:36,297 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 09:59:36,297 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 09:59:36,298 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 09:59:36,298 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 09:59:36,298 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 09:59:36,298 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 09:59:36,298 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 09:59:36,298 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 09:59:36,298 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 09:59:36,298 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 09:59:36,298 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 09:59:36,299 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 09:59:36,299 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 09:59:36,299 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 09:59:36,299 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 09:59:36,299 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 09:59:36,299 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 09:59:36,299 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 09:59:36,299 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 09:59:36,299 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 09:59:36,299 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 09:59:36,300 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 09:59:36,300 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 09:59:36,300 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 09:59:36,300 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 09:59:36,300 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 09:59:36,300 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 09:59:36,300 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 09:59:36,300 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 09:59:36,300 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 09:59:36,301 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 09:59:36,301 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 09:59:36,301 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 09:59:36,301 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 09:59:36,301 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 09:59:36,301 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 09:59:36,301 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 09:59:36,301 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 09:59:36,301 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-11 09:59:36,301 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__cmemchr [2018-04-11 09:59:36,302 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-11 09:59:36,302 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 09:59:36,302 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 09:59:36,302 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 09:59:36,302 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 09:59:36,302 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 09:59:36,302 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-11 09:59:36,302 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-11 09:59:36,548 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 09:59:36,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 09:59:36 BoogieIcfgContainer [2018-04-11 09:59:36,549 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 09:59:36,549 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 09:59:36,549 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 09:59:36,551 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 09:59:36,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 09:59:35" (1/3) ... [2018-04-11 09:59:36,551 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ec6d8e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 09:59:36, skipping insertion in model container [2018-04-11 09:59:36,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:59:36" (2/3) ... [2018-04-11 09:59:36,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ec6d8e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 09:59:36, skipping insertion in model container [2018-04-11 09:59:36,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 09:59:36" (3/3) ... [2018-04-11 09:59:36,553 INFO L107 eAbstractionObserver]: Analyzing ICFG openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:59:36,561 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-11 09:59:36,568 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-04-11 09:59:36,601 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 09:59:36,601 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 09:59:36,601 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-11 09:59:36,601 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-11 09:59:36,601 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-11 09:59:36,601 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 09:59:36,601 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 09:59:36,601 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 09:59:36,601 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 09:59:36,602 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 09:59:36,609 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2018-04-11 09:59:36,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-11 09:59:36,614 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 09:59:36,615 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 09:59:36,615 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__cmemchrErr1RequiresViolation, __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__cmemchrErr0RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-11 09:59:36,618 INFO L82 PathProgramCache]: Analyzing trace with hash 455716503, now seen corresponding path program 1 times [2018-04-11 09:59:36,619 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 09:59:36,619 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 09:59:36,648 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:59:36,648 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:59:36,648 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:59:36,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:59:36,693 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 09:59:36,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 09:59:36,772 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 09:59:36,772 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-11 09:59:36,774 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-11 09:59:36,782 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-11 09:59:36,783 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-04-11 09:59:36,785 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 8 states. [2018-04-11 09:59:36,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 09:59:36,889 INFO L93 Difference]: Finished difference Result 33 states and 37 transitions. [2018-04-11 09:59:36,889 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-11 09:59:36,890 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 15 [2018-04-11 09:59:36,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 09:59:36,900 INFO L225 Difference]: With dead ends: 33 [2018-04-11 09:59:36,900 INFO L226 Difference]: Without dead ends: 30 [2018-04-11 09:59:36,901 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 09:59:36,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2018-04-11 09:59:36,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 27. [2018-04-11 09:59:36,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-04-11 09:59:36,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2018-04-11 09:59:36,921 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 15 [2018-04-11 09:59:36,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 09:59:36,922 INFO L459 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2018-04-11 09:59:36,922 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-11 09:59:36,922 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2018-04-11 09:59:36,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-11 09:59:36,922 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 09:59:36,922 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 09:59:36,922 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__cmemchrErr1RequiresViolation, __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__cmemchrErr0RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-11 09:59:36,922 INFO L82 PathProgramCache]: Analyzing trace with hash 455716504, now seen corresponding path program 1 times [2018-04-11 09:59:36,922 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 09:59:36,922 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 09:59:36,923 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:59:36,923 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:59:36,923 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:59:36,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:59:36,939 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 09:59:37,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 09:59:37,069 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 09:59:37,069 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-11 09:59:37,070 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-11 09:59:37,070 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-11 09:59:37,070 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-04-11 09:59:37,070 INFO L87 Difference]: Start difference. First operand 27 states and 31 transitions. Second operand 9 states. [2018-04-11 09:59:37,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 09:59:37,211 INFO L93 Difference]: Finished difference Result 30 states and 35 transitions. [2018-04-11 09:59:37,212 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-11 09:59:37,212 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 15 [2018-04-11 09:59:37,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 09:59:37,213 INFO L225 Difference]: With dead ends: 30 [2018-04-11 09:59:37,213 INFO L226 Difference]: Without dead ends: 30 [2018-04-11 09:59:37,214 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 09:59:37,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2018-04-11 09:59:37,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 29. [2018-04-11 09:59:37,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-04-11 09:59:37,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 33 transitions. [2018-04-11 09:59:37,220 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 33 transitions. Word has length 15 [2018-04-11 09:59:37,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 09:59:37,220 INFO L459 AbstractCegarLoop]: Abstraction has 29 states and 33 transitions. [2018-04-11 09:59:37,220 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-11 09:59:37,220 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2018-04-11 09:59:37,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-11 09:59:37,221 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 09:59:37,221 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 09:59:37,221 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__cmemchrErr1RequiresViolation, __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__cmemchrErr0RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-11 09:59:37,221 INFO L82 PathProgramCache]: Analyzing trace with hash 1651957216, now seen corresponding path program 1 times [2018-04-11 09:59:37,221 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 09:59:37,221 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 09:59:37,222 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:59:37,222 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:59:37,222 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:59:37,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:59:37,244 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 09:59:37,357 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 09:59:37,358 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 09:59:37,358 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-11 09:59:37,358 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 09:59:37,358 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 09:59:37,358 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-11 09:59:37,359 INFO L87 Difference]: Start difference. First operand 29 states and 33 transitions. Second operand 6 states. [2018-04-11 09:59:37,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 09:59:37,410 INFO L93 Difference]: Finished difference Result 49 states and 53 transitions. [2018-04-11 09:59:37,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 09:59:37,411 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2018-04-11 09:59:37,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 09:59:37,411 INFO L225 Difference]: With dead ends: 49 [2018-04-11 09:59:37,411 INFO L226 Difference]: Without dead ends: 49 [2018-04-11 09:59:37,412 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-04-11 09:59:37,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-04-11 09:59:37,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 42. [2018-04-11 09:59:37,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-04-11 09:59:37,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 47 transitions. [2018-04-11 09:59:37,415 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 47 transitions. Word has length 20 [2018-04-11 09:59:37,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 09:59:37,415 INFO L459 AbstractCegarLoop]: Abstraction has 42 states and 47 transitions. [2018-04-11 09:59:37,415 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 09:59:37,415 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 47 transitions. [2018-04-11 09:59:37,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-11 09:59:37,415 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 09:59:37,415 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 09:59:37,415 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__cmemchrErr1RequiresViolation, __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__cmemchrErr0RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-11 09:59:37,416 INFO L82 PathProgramCache]: Analyzing trace with hash 1065151202, now seen corresponding path program 1 times [2018-04-11 09:59:37,416 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 09:59:37,416 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 09:59:37,416 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:59:37,416 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:59:37,416 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:59:37,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:59:37,429 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 09:59:37,573 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 09:59:37,574 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 09:59:37,574 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-11 09:59:37,580 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:59:37,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:59:37,599 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 09:59:37,629 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 09:59:37,630 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 09:59:37,647 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 09:59:37,648 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-11 09:59:37,842 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 09:59:37,868 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 09:59:37,868 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 22 [2018-04-11 09:59:37,868 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-11 09:59:37,869 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-11 09:59:37,869 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=454, Unknown=0, NotChecked=0, Total=506 [2018-04-11 09:59:37,869 INFO L87 Difference]: Start difference. First operand 42 states and 47 transitions. Second operand 23 states. [2018-04-11 09:59:38,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 09:59:38,250 INFO L93 Difference]: Finished difference Result 55 states and 63 transitions. [2018-04-11 09:59:38,250 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-11 09:59:38,250 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 20 [2018-04-11 09:59:38,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 09:59:38,251 INFO L225 Difference]: With dead ends: 55 [2018-04-11 09:59:38,251 INFO L226 Difference]: Without dead ends: 55 [2018-04-11 09:59:38,252 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=124, Invalid=868, Unknown=0, NotChecked=0, Total=992 [2018-04-11 09:59:38,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-04-11 09:59:38,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 47. [2018-04-11 09:59:38,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-04-11 09:59:38,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 54 transitions. [2018-04-11 09:59:38,257 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 54 transitions. Word has length 20 [2018-04-11 09:59:38,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 09:59:38,258 INFO L459 AbstractCegarLoop]: Abstraction has 47 states and 54 transitions. [2018-04-11 09:59:38,258 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-11 09:59:38,258 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 54 transitions. [2018-04-11 09:59:38,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-11 09:59:38,259 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 09:59:38,259 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 09:59:38,259 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__cmemchrErr1RequiresViolation, __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__cmemchrErr0RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-11 09:59:38,259 INFO L82 PathProgramCache]: Analyzing trace with hash 303484885, now seen corresponding path program 1 times [2018-04-11 09:59:38,259 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 09:59:38,259 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 09:59:38,260 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:59:38,260 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:59:38,260 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:59:38,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:59:38,270 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 09:59:38,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 09:59:38,308 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 09:59:38,309 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 09:59:38,309 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 09:59:38,309 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 09:59:38,309 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 09:59:38,309 INFO L87 Difference]: Start difference. First operand 47 states and 54 transitions. Second operand 4 states. [2018-04-11 09:59:38,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 09:59:38,356 INFO L93 Difference]: Finished difference Result 46 states and 53 transitions. [2018-04-11 09:59:38,356 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 09:59:38,357 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-04-11 09:59:38,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 09:59:38,357 INFO L225 Difference]: With dead ends: 46 [2018-04-11 09:59:38,357 INFO L226 Difference]: Without dead ends: 26 [2018-04-11 09:59:38,358 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 09:59:38,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2018-04-11 09:59:38,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2018-04-11 09:59:38,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-04-11 09:59:38,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2018-04-11 09:59:38,360 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 20 [2018-04-11 09:59:38,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 09:59:38,360 INFO L459 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2018-04-11 09:59:38,360 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 09:59:38,360 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2018-04-11 09:59:38,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-04-11 09:59:38,361 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 09:59:38,361 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 09:59:38,361 INFO L408 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__cmemchrErr1RequiresViolation, __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__cmemchrErr0RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-11 09:59:38,361 INFO L82 PathProgramCache]: Analyzing trace with hash -619724842, now seen corresponding path program 2 times [2018-04-11 09:59:38,361 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 09:59:38,361 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 09:59:38,362 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:59:38,362 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:59:38,362 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:59:38,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:59:38,377 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 09:59:38,590 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 09:59:38,590 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 09:59:38,590 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-11 09:59:38,596 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-11 09:59:38,616 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-11 09:59:38,616 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-11 09:59:38,619 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 09:59:38,621 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 09:59:38,622 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 09:59:38,624 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 09:59:38,624 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-11 09:59:38,852 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 09:59:38,883 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 09:59:38,883 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 22 [2018-04-11 09:59:38,883 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-11 09:59:38,883 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-11 09:59:38,883 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2018-04-11 09:59:38,884 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. Second operand 23 states. [2018-04-11 09:59:39,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 09:59:39,413 INFO L93 Difference]: Finished difference Result 31 states and 32 transitions. [2018-04-11 09:59:39,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-04-11 09:59:39,414 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 25 [2018-04-11 09:59:39,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 09:59:39,414 INFO L225 Difference]: With dead ends: 31 [2018-04-11 09:59:39,414 INFO L226 Difference]: Without dead ends: 0 [2018-04-11 09:59:39,415 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 13 SyntacticMatches, 4 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 261 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=165, Invalid=1317, Unknown=0, NotChecked=0, Total=1482 [2018-04-11 09:59:39,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-11 09:59:39,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-11 09:59:39,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-11 09:59:39,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-11 09:59:39,415 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2018-04-11 09:59:39,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 09:59:39,415 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-11 09:59:39,415 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-11 09:59:39,415 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-11 09:59:39,415 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-11 09:59:39,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.04 09:59:39 BoogieIcfgContainer [2018-04-11 09:59:39,418 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-11 09:59:39,418 INFO L168 Benchmark]: Toolchain (without parser) took 3552.19 ms. Allocated memory was 408.4 MB in the beginning and 611.3 MB in the end (delta: 202.9 MB). Free memory was 342.7 MB in the beginning and 429.8 MB in the end (delta: -87.1 MB). Peak memory consumption was 115.8 MB. Max. memory is 5.3 GB. [2018-04-11 09:59:39,419 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 408.4 MB. Free memory is still 368.6 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 09:59:39,419 INFO L168 Benchmark]: CACSL2BoogieTranslator took 258.59 ms. Allocated memory is still 408.4 MB. Free memory was 341.4 MB in the beginning and 318.9 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 5.3 GB. [2018-04-11 09:59:39,419 INFO L168 Benchmark]: Boogie Preprocessor took 37.34 ms. Allocated memory is still 408.4 MB. Free memory was 318.9 MB in the beginning and 316.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-11 09:59:39,420 INFO L168 Benchmark]: RCFGBuilder took 384.53 ms. Allocated memory was 408.4 MB in the beginning and 577.2 MB in the end (delta: 168.8 MB). Free memory was 316.2 MB in the beginning and 516.3 MB in the end (delta: -200.0 MB). Peak memory consumption was 25.1 MB. Max. memory is 5.3 GB. [2018-04-11 09:59:39,420 INFO L168 Benchmark]: TraceAbstraction took 2868.91 ms. Allocated memory was 577.2 MB in the beginning and 611.3 MB in the end (delta: 34.1 MB). Free memory was 516.3 MB in the beginning and 429.8 MB in the end (delta: 86.5 MB). Peak memory consumption was 120.6 MB. Max. memory is 5.3 GB. [2018-04-11 09:59:39,421 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 408.4 MB. Free memory is still 368.6 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 258.59 ms. Allocated memory is still 408.4 MB. Free memory was 341.4 MB in the beginning and 318.9 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 37.34 ms. Allocated memory is still 408.4 MB. Free memory was 318.9 MB in the beginning and 316.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 384.53 ms. Allocated memory was 408.4 MB in the beginning and 577.2 MB in the end (delta: 168.8 MB). Free memory was 316.2 MB in the beginning and 516.3 MB in the end (delta: -200.0 MB). Peak memory consumption was 25.1 MB. Max. memory is 5.3 GB. * TraceAbstraction took 2868.91 ms. Allocated memory was 577.2 MB in the beginning and 611.3 MB in the end (delta: 34.1 MB). Free memory was 516.3 MB in the beginning and 429.8 MB in the end (delta: 86.5 MB). Peak memory consumption was 120.6 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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 - PositiveResult [Line: 552]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 37 locations, 3 error locations. SAFE Result, 2.8s OverallTime, 6 OverallIterations, 3 TraceHistogramMax, 1.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 140 SDtfs, 204 SDslu, 761 SDs, 0 SdLazy, 681 SolverSat, 65 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 131 GetRequests, 29 SyntacticMatches, 5 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 428 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred 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, 19 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 160 NumberOfCodeBlocks, 160 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 152 ConstructedInterpolants, 2 QuantifiedInterpolants, 23700 SizeOfPredicates, 20 NumberOfNonLiveVariables, 228 ConjunctsInSsa, 92 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 2/24 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_cmemchr-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-11_09-59-39-428.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-11_09-59-39-428.csv Received shutdown request...