java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv --cacsl2boogietranslator.bitprecise.bitfields false -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf -i ../../../trunk/examples/svcomp/array-memsafety/reverse_array_alloca_unsafe_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-11 12:47:33,894 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 12:47:33,895 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 12:47:33,907 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 12:47:33,907 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 12:47:33,908 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 12:47:33,909 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 12:47:33,910 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 12:47:33,912 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 12:47:33,913 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 12:47:33,914 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 12:47:33,914 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 12:47:33,914 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 12:47:33,915 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 12:47:33,916 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 12:47:33,918 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 12:47:33,919 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 12:47:33,920 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 12:47:33,921 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 12:47:33,922 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 12:47:33,924 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-11 12:47:33,924 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-11 12:47:33,924 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-11 12:47:33,925 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-11 12:47:33,926 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-11 12:47:33,927 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-11 12:47:33,927 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-11 12:47:33,928 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-11 12:47:33,928 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-11 12:47:33,928 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-11 12:47:33,929 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-11 12:47:33,929 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf [2018-04-11 12:47:33,949 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 12:47:33,949 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 12:47:33,950 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-11 12:47:33,950 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-11 12:47:33,951 INFO L133 SettingsManager]: * Use SBE=true [2018-04-11 12:47:33,951 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 12:47:33,951 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 12:47:33,951 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 12:47:33,951 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 12:47:33,951 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 12:47:33,951 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 12:47:33,951 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 12:47:33,951 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-11 12:47:33,951 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 12:47:33,952 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 12:47:33,952 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 12:47:33,952 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-11 12:47:33,952 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-11 12:47:33,952 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 12:47:33,952 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 12:47:33,952 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 12:47:33,952 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-11 12:47:33,979 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 12:47:33,988 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 12:47:33,991 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 12:47:33,992 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 12:47:33,993 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 12:47:33,993 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,283 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG5e301ec95 [2018-04-11 12:47:34,414 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 12:47:34,415 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 12:47:34,415 INFO L168 CDTParser]: Scanning reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,422 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 12:47:34,422 INFO L215 ultiparseSymbolTable]: [2018-04-11 12:47:34,422 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 12:47:34,422 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____bswap_32 ('__bswap_32') in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,422 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____bswap_64 ('__bswap_64') in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,422 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,422 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 12:47:34,423 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____blkcnt64_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,423 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__ino_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,423 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____socklen_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,423 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__ldiv_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,423 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__fsfilcnt_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,423 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__pid_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,423 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____fsfilcnt64_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,423 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__int32_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,423 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____mode_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,423 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__u_short in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,424 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__gid_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,424 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____fsblkcnt64_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,424 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__u_int64_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,424 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____time_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,424 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__int8_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,424 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__pthread_mutex_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,424 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__pthread_once_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,424 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____rlim_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,424 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__pthread_attr_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,424 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__register_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,424 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__div_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,424 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____intptr_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,425 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__size_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,425 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__time_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,425 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__off_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,425 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____useconds_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,425 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__pthread_condattr_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,425 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____uint32_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,425 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____rlim64_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,425 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__fd_set in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,425 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____qaddr_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,425 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__blksize_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,425 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____blksize_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,425 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____int64_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,425 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____daddr_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,425 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__caddr_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,425 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____key_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,425 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____uint8_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,425 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__u_quad_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,425 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__loff_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,426 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____fsfilcnt_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,426 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__suseconds_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,426 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____caddr_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,426 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____WAIT_STATUS in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,426 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__int64_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,426 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____u_short in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,426 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____clock_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,426 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____int8_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,426 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__mode_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,426 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____dev_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,426 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____loff_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,426 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__fsid_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,426 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__daddr_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,426 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__pthread_rwlockattr_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,426 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____int16_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,426 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____uint16_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,426 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____off_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,426 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__clock_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,427 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____gid_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,427 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____ino64_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,427 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__u_long in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,427 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__ulong in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,427 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__pthread_barrier_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,427 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____u_quad_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,427 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__ushort in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,427 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____quad_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,427 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____fsid_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,427 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____sigset_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,427 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____syscall_slong_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,427 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____ino_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,427 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__sigset_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,427 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__pthread_spinlock_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,427 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__pthread_key_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,427 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____clockid_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,427 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____u_long in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,428 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__int16_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,428 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____pthread_list_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,428 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__pthread_barrierattr_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,428 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____fsblkcnt_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,428 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____blkcnt_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,428 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__pthread_cond_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,428 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____u_int in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,428 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__u_int16_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,428 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__blkcnt_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,428 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__quad_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,428 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__pthread_rwlock_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,428 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__u_char in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,429 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__id_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,429 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__u_int8_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,429 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__uid_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,429 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__lldiv_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,429 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__fsblkcnt_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,429 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__dev_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,429 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__wchar_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,429 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____uid_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,429 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__uint in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,429 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__nlink_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,429 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____u_char in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,430 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____off64_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,430 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____suseconds_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,430 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____fsword_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,430 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__fd_mask in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,430 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____uint64_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,430 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__ssize_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,430 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__pthread_mutexattr_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,430 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____pid_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,430 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__key_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,430 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__u_int in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,430 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____timer_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,430 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____int32_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,431 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__clockid_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,431 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__timer_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,431 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____nlink_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,431 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____syscall_ulong_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,431 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____id_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,431 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____ssize_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,431 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____sig_atomic_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,431 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__u_int32_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,431 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__pthread_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,431 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____fd_mask in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:34,445 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG5e301ec95 [2018-04-11 12:47:34,448 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 12:47:34,449 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 12:47:34,450 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 12:47:34,450 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 12:47:34,454 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 12:47:34,454 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 12:47:34" (1/1) ... [2018-04-11 12:47:34,456 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13904294 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:47:34, skipping insertion in model container [2018-04-11 12:47:34,456 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 12:47:34" (1/1) ... [2018-04-11 12:47:34,467 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 12:47:34,492 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 12:47:34,615 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 12:47:34,653 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 12:47:34,658 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 111 non ball SCCs. Number of states in SCCs 111. [2018-04-11 12:47:34,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:47:34 WrapperNode [2018-04-11 12:47:34,692 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 12:47:34,692 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 12:47:34,692 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 12:47:34,693 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 12:47:34,704 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:47:34" (1/1) ... [2018-04-11 12:47:34,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:47:34" (1/1) ... [2018-04-11 12:47:34,714 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:47:34" (1/1) ... [2018-04-11 12:47:34,714 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:47:34" (1/1) ... [2018-04-11 12:47:34,721 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:47:34" (1/1) ... [2018-04-11 12:47:34,726 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:47:34" (1/1) ... [2018-04-11 12:47:34,729 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:47:34" (1/1) ... [2018-04-11 12:47:34,733 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 12:47:34,733 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 12:47:34,734 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 12:47:34,734 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 12:47:34,735 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:47:34" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 12:47:34,846 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 12:47:34,846 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 12:47:34,846 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____bswap_32 [2018-04-11 12:47:34,846 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____bswap_64 [2018-04-11 12:47:34,846 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 12:47:34,846 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____bswap_32 [2018-04-11 12:47:34,846 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____bswap_64 [2018-04-11 12:47:34,847 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 12:47:34,847 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 12:47:34,847 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 12:47:34,847 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 12:47:34,847 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 12:47:34,847 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 12:47:34,847 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 12:47:34,847 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 12:47:34,847 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 12:47:34,847 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 12:47:34,847 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 12:47:34,847 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 12:47:34,848 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 12:47:34,848 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 12:47:34,848 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 12:47:34,848 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 12:47:34,848 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 12:47:34,848 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 12:47:34,848 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 12:47:34,848 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 12:47:34,848 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 12:47:34,849 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 12:47:34,849 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 12:47:34,849 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 12:47:34,849 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 12:47:34,849 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 12:47:34,849 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 12:47:34,849 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 12:47:34,849 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 12:47:34,849 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 12:47:34,850 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 12:47:34,850 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 12:47:34,850 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 12:47:34,850 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 12:47:34,851 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 12:47:34,851 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 12:47:34,851 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 12:47:34,851 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 12:47:34,851 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 12:47:34,851 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 12:47:34,851 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 12:47:34,851 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 12:47:34,851 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 12:47:34,852 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 12:47:34,852 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 12:47:34,852 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 12:47:34,852 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 12:47:34,852 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 12:47:34,852 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 12:47:34,852 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 12:47:34,852 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 12:47:34,852 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 12:47:34,852 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 12:47:34,853 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 12:47:34,853 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 12:47:34,853 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 12:47:34,853 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 12:47:34,853 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 12:47:34,853 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 12:47:34,853 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 12:47:34,853 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 12:47:34,853 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-11 12:47:34,853 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 12:47:34,853 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 12:47:34,854 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 12:47:34,854 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 12:47:34,854 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 12:47:34,854 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 12:47:34,854 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 12:47:34,854 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 12:47:34,854 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 12:47:34,854 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 12:47:34,854 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 12:47:34,854 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 12:47:34,855 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 12:47:34,855 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 12:47:34,855 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 12:47:34,855 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 12:47:34,855 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 12:47:34,855 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 12:47:34,855 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 12:47:34,855 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 12:47:34,855 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 12:47:34,855 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 12:47:34,855 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 12:47:34,856 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 12:47:34,856 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 12:47:34,856 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 12:47:34,856 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 12:47:34,856 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 12:47:34,856 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 12:47:34,856 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 12:47:34,856 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 12:47:34,856 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 12:47:34,856 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 12:47:34,857 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 12:47:34,857 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 12:47:34,857 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 12:47:34,857 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 12:47:34,857 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 12:47:34,857 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-11 12:47:34,857 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 12:47:34,857 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 12:47:34,857 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-11 12:47:34,857 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-11 12:47:34,858 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 12:47:34,858 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 12:47:34,858 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 12:47:34,858 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-11 12:47:35,188 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 12:47:35,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 12:47:35 BoogieIcfgContainer [2018-04-11 12:47:35,189 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 12:47:35,189 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 12:47:35,189 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 12:47:35,191 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 12:47:35,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 12:47:34" (1/3) ... [2018-04-11 12:47:35,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@84b78ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 12:47:35, skipping insertion in model container [2018-04-11 12:47:35,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:47:34" (2/3) ... [2018-04-11 12:47:35,192 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@84b78ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 12:47:35, skipping insertion in model container [2018-04-11 12:47:35,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 12:47:35" (3/3) ... [2018-04-11 12:47:35,193 INFO L107 eAbstractionObserver]: Analyzing ICFG reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 12:47:35,198 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-04-11 12:47:35,205 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 21 error locations. [2018-04-11 12:47:35,227 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 12:47:35,228 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 12:47:35,228 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-11 12:47:35,228 INFO L371 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-04-11 12:47:35,228 INFO L372 AbstractCegarLoop]: Backedges is CANONICAL [2018-04-11 12:47:35,228 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 12:47:35,228 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 12:47:35,228 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 12:47:35,228 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 12:47:35,228 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 12:47:35,236 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states. [2018-04-11 12:47:35,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-04-11 12:47:35,241 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 12:47:35,242 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 12:47:35,242 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr20EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation, mainErr19RequiresViolation]=== [2018-04-11 12:47:35,245 INFO L82 PathProgramCache]: Analyzing trace with hash -859612764, now seen corresponding path program 1 times [2018-04-11 12:47:35,275 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 12:47:35,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 12:47:35,309 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 12:47:35,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:47:35,334 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 12:47:35,335 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-04-11 12:47:35,335 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 12:47:35,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:47:35,336 INFO L182 omatonBuilderFactory]: Interpolants [66#true, 67#false] [2018-04-11 12:47:35,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:47:35,337 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-04-11 12:47:35,344 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-04-11 12:47:35,345 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-04-11 12:47:35,347 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 2 states. [2018-04-11 12:47:35,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 12:47:35,361 INFO L93 Difference]: Finished difference Result 63 states and 68 transitions. [2018-04-11 12:47:35,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-04-11 12:47:35,362 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2018-04-11 12:47:35,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 12:47:35,369 INFO L225 Difference]: With dead ends: 63 [2018-04-11 12:47:35,369 INFO L226 Difference]: Without dead ends: 60 [2018-04-11 12:47:35,370 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-04-11 12:47:35,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-04-11 12:47:35,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2018-04-11 12:47:35,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-04-11 12:47:35,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 65 transitions. [2018-04-11 12:47:35,396 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 65 transitions. Word has length 12 [2018-04-11 12:47:35,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 12:47:35,397 INFO L459 AbstractCegarLoop]: Abstraction has 60 states and 65 transitions. [2018-04-11 12:47:35,397 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-04-11 12:47:35,397 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 65 transitions. [2018-04-11 12:47:35,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-11 12:47:35,397 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 12:47:35,398 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 12:47:35,398 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr20EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation, mainErr19RequiresViolation]=== [2018-04-11 12:47:35,398 INFO L82 PathProgramCache]: Analyzing trace with hash -878216658, now seen corresponding path program 1 times [2018-04-11 12:47:35,398 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 12:47:35,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 12:47:35,409 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 12:47:35,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:47:35,451 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 12:47:35,451 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 12:47:35,452 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 12:47:35,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:47:35,452 INFO L182 omatonBuilderFactory]: Interpolants [192#false, 193#(= 1 (select |#valid| |main_#t~malloc4.base|)), 194#(= 1 (select |#valid| main_~arr~0.base)), 191#true] [2018-04-11 12:47:35,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:47:35,453 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 12:47:35,454 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 12:47:35,454 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 12:47:35,454 INFO L87 Difference]: Start difference. First operand 60 states and 65 transitions. Second operand 4 states. [2018-04-11 12:47:35,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 12:47:35,523 INFO L93 Difference]: Finished difference Result 56 states and 61 transitions. [2018-04-11 12:47:35,523 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 12:47:35,523 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-04-11 12:47:35,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 12:47:35,524 INFO L225 Difference]: With dead ends: 56 [2018-04-11 12:47:35,524 INFO L226 Difference]: Without dead ends: 56 [2018-04-11 12:47:35,525 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 12:47:35,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-04-11 12:47:35,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2018-04-11 12:47:35,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-04-11 12:47:35,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 61 transitions. [2018-04-11 12:47:35,529 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 61 transitions. Word has length 13 [2018-04-11 12:47:35,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 12:47:35,529 INFO L459 AbstractCegarLoop]: Abstraction has 56 states and 61 transitions. [2018-04-11 12:47:35,529 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 12:47:35,529 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 61 transitions. [2018-04-11 12:47:35,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-11 12:47:35,530 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 12:47:35,530 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 12:47:35,530 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr20EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation, mainErr19RequiresViolation]=== [2018-04-11 12:47:35,530 INFO L82 PathProgramCache]: Analyzing trace with hash -878216657, now seen corresponding path program 1 times [2018-04-11 12:47:35,531 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 12:47:35,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 12:47:35,547 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 12:47:35,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:47:35,579 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 12:47:35,579 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 12:47:35,580 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 12:47:35,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:47:35,580 INFO L182 omatonBuilderFactory]: Interpolants [309#true, 310#false, 311#(and (<= main_~length~0 1) (<= 1 main_~length~0))] [2018-04-11 12:47:35,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:47:35,580 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-11 12:47:35,581 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-11 12:47:35,581 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 12:47:35,581 INFO L87 Difference]: Start difference. First operand 56 states and 61 transitions. Second operand 3 states. [2018-04-11 12:47:35,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 12:47:35,610 INFO L93 Difference]: Finished difference Result 105 states and 113 transitions. [2018-04-11 12:47:35,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-11 12:47:35,610 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-04-11 12:47:35,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 12:47:35,611 INFO L225 Difference]: With dead ends: 105 [2018-04-11 12:47:35,612 INFO L226 Difference]: Without dead ends: 105 [2018-04-11 12:47:35,612 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 12:47:35,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-04-11 12:47:35,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 57. [2018-04-11 12:47:35,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-04-11 12:47:35,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 62 transitions. [2018-04-11 12:47:35,617 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 62 transitions. Word has length 13 [2018-04-11 12:47:35,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 12:47:35,617 INFO L459 AbstractCegarLoop]: Abstraction has 57 states and 62 transitions. [2018-04-11 12:47:35,617 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-11 12:47:35,617 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 62 transitions. [2018-04-11 12:47:35,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-11 12:47:35,618 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 12:47:35,618 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 12:47:35,618 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr20EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation, mainErr19RequiresViolation]=== [2018-04-11 12:47:35,618 INFO L82 PathProgramCache]: Analyzing trace with hash -820958355, now seen corresponding path program 1 times [2018-04-11 12:47:35,620 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 12:47:35,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 12:47:35,630 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 12:47:35,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:47:35,660 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 12:47:35,660 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 12:47:35,660 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 12:47:35,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:47:35,661 INFO L182 omatonBuilderFactory]: Interpolants [474#true, 475#false, 476#(<= 1 main_~length~0), 477#(and (<= 1 main_~length~0) (= main_~i~0 0))] [2018-04-11 12:47:35,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:47:35,661 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 12:47:35,661 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 12:47:35,661 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-04-11 12:47:35,661 INFO L87 Difference]: Start difference. First operand 57 states and 62 transitions. Second operand 4 states. [2018-04-11 12:47:35,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 12:47:35,702 INFO L93 Difference]: Finished difference Result 69 states and 75 transitions. [2018-04-11 12:47:35,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 12:47:35,702 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-04-11 12:47:35,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 12:47:35,703 INFO L225 Difference]: With dead ends: 69 [2018-04-11 12:47:35,703 INFO L226 Difference]: Without dead ends: 69 [2018-04-11 12:47:35,703 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-04-11 12:47:35,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-04-11 12:47:35,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 59. [2018-04-11 12:47:35,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-04-11 12:47:35,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 64 transitions. [2018-04-11 12:47:35,706 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 64 transitions. Word has length 13 [2018-04-11 12:47:35,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 12:47:35,706 INFO L459 AbstractCegarLoop]: Abstraction has 59 states and 64 transitions. [2018-04-11 12:47:35,706 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 12:47:35,706 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 64 transitions. [2018-04-11 12:47:35,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-11 12:47:35,706 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 12:47:35,706 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 12:47:35,706 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr20EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation, mainErr19RequiresViolation]=== [2018-04-11 12:47:35,707 INFO L82 PathProgramCache]: Analyzing trace with hash -820958314, now seen corresponding path program 1 times [2018-04-11 12:47:35,707 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 12:47:35,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 12:47:35,717 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 12:47:35,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:47:35,791 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 12:47:35,791 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 12:47:35,791 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 12:47:35,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:47:35,792 INFO L182 omatonBuilderFactory]: Interpolants [608#(and (= (* 4 main_~length~0) (select |#length| |main_#t~malloc4.base|)) (= 0 |main_#t~malloc4.offset|)), 609#(and (= (* 4 main_~length~0) (select |#length| main_~arr~0.base)) (= main_~arr~0.offset 0) (= main_~i~0 0)), 610#(and (<= (+ (* 4 main_~i~0) 4) (select |#length| main_~arr~0.base)) (= main_~arr~0.offset 0) (= main_~i~0 0)), 606#true, 607#false] [2018-04-11 12:47:35,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:47:35,792 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 12:47:35,792 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 12:47:35,793 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 12:47:35,793 INFO L87 Difference]: Start difference. First operand 59 states and 64 transitions. Second operand 5 states. [2018-04-11 12:47:35,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 12:47:35,905 INFO L93 Difference]: Finished difference Result 66 states and 72 transitions. [2018-04-11 12:47:35,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 12:47:35,905 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2018-04-11 12:47:35,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 12:47:35,906 INFO L225 Difference]: With dead ends: 66 [2018-04-11 12:47:35,906 INFO L226 Difference]: Without dead ends: 66 [2018-04-11 12:47:35,906 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-11 12:47:35,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-04-11 12:47:35,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 64. [2018-04-11 12:47:35,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-04-11 12:47:35,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 70 transitions. [2018-04-11 12:47:35,910 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 70 transitions. Word has length 13 [2018-04-11 12:47:35,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 12:47:35,911 INFO L459 AbstractCegarLoop]: Abstraction has 64 states and 70 transitions. [2018-04-11 12:47:35,911 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 12:47:35,911 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 70 transitions. [2018-04-11 12:47:35,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-11 12:47:35,912 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 12:47:35,912 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 12:47:35,912 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr20EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation, mainErr19RequiresViolation]=== [2018-04-11 12:47:35,912 INFO L82 PathProgramCache]: Analyzing trace with hash 1391570458, now seen corresponding path program 1 times [2018-04-11 12:47:35,913 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 12:47:35,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-11 12:47:35,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-11 12:47:35,957 INFO L421 BasicCegarLoop]: Counterexample might be feasible [2018-04-11 12:47:35,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.04 12:47:35 BoogieIcfgContainer [2018-04-11 12:47:35,972 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-11 12:47:35,973 INFO L168 Benchmark]: Toolchain (without parser) took 1524.31 ms. Allocated memory was 402.1 MB in the beginning and 613.9 MB in the end (delta: 211.8 MB). Free memory was 335.0 MB in the beginning and 459.4 MB in the end (delta: -124.4 MB). Peak memory consumption was 87.4 MB. Max. memory is 5.3 GB. [2018-04-11 12:47:35,974 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 402.1 MB. Free memory is still 362.2 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 12:47:35,974 INFO L168 Benchmark]: CACSL2BoogieTranslator took 242.47 ms. Allocated memory is still 402.1 MB. Free memory was 335.0 MB in the beginning and 311.2 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 5.3 GB. [2018-04-11 12:47:35,974 INFO L168 Benchmark]: Boogie Preprocessor took 40.82 ms. Allocated memory is still 402.1 MB. Free memory was 311.2 MB in the beginning and 308.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-11 12:47:35,974 INFO L168 Benchmark]: RCFGBuilder took 455.31 ms. Allocated memory was 402.1 MB in the beginning and 613.9 MB in the end (delta: 211.8 MB). Free memory was 308.5 MB in the beginning and 545.6 MB in the end (delta: -237.0 MB). Peak memory consumption was 25.1 MB. Max. memory is 5.3 GB. [2018-04-11 12:47:35,975 INFO L168 Benchmark]: TraceAbstraction took 783.16 ms. Allocated memory is still 613.9 MB. Free memory was 545.6 MB in the beginning and 459.4 MB in the end (delta: 86.2 MB). Peak memory consumption was 86.2 MB. Max. memory is 5.3 GB. [2018-04-11 12:47:35,976 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 402.1 MB. Free memory is still 362.2 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 242.47 ms. Allocated memory is still 402.1 MB. Free memory was 335.0 MB in the beginning and 311.2 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 40.82 ms. Allocated memory is still 402.1 MB. Free memory was 311.2 MB in the beginning and 308.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 455.31 ms. Allocated memory was 402.1 MB in the beginning and 613.9 MB in the end (delta: 211.8 MB). Free memory was 308.5 MB in the beginning and 545.6 MB in the end (delta: -237.0 MB). Peak memory consumption was 25.1 MB. Max. memory is 5.3 GB. * TraceAbstraction took 783.16 ms. Allocated memory is still 613.9 MB. Free memory was 545.6 MB in the beginning and 459.4 MB in the end (delta: 86.2 MB). Peak memory consumption was 86.2 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 549]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L541] int i, j, tmp; [L542] int length = __VERIFIER_nondet_int(); [L543] COND TRUE length < 1 [L543] length = 1 VAL [length=1] [L544] COND FALSE !(length % 2 == 0) VAL [length=1] [L545] EXPR, FCALL __builtin_alloca (length*sizeof(int)) VAL [__builtin_alloca (length*sizeof(int))={6:0}, length=1] [L545] int *arr = __builtin_alloca (length*sizeof(int)); [L546] i=0 VAL [__builtin_alloca (length*sizeof(int))={6:0}, arr={6:0}, i=0, length=1] [L546] COND TRUE i