java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv --cacsl2boogietranslator.bitprecise.bitfields false -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf -i ../../../trunk/examples/svcomp/array-memsafety/lis_unsafe_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-11 15:03:00,261 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 15:03:00,262 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 15:03:00,275 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 15:03:00,276 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 15:03:00,276 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 15:03:00,277 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 15:03:00,279 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 15:03:00,280 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 15:03:00,281 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 15:03:00,282 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 15:03:00,282 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 15:03:00,283 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 15:03:00,284 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 15:03:00,284 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 15:03:00,286 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 15:03:00,287 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 15:03:00,289 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 15:03:00,290 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 15:03:00,291 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 15:03:00,292 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-04-11 15:03:00,297 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-11 15:03:00,297 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-11 15:03:00,297 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf [2018-04-11 15:03:00,317 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 15:03:00,318 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 15:03:00,319 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-11 15:03:00,319 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-11 15:03:00,319 INFO L133 SettingsManager]: * Use SBE=true [2018-04-11 15:03:00,319 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 15:03:00,319 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 15:03:00,319 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 15:03:00,319 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 15:03:00,320 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 15:03:00,320 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 15:03:00,320 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 15:03:00,320 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-11 15:03:00,320 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 15:03:00,320 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 15:03:00,320 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 15:03:00,321 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-11 15:03:00,321 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-11 15:03:00,321 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 15:03:00,321 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 15:03:00,321 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 15:03:00,321 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-11 15:03:00,321 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-11 15:03:00,322 INFO L133 SettingsManager]: * Trace refinement strategy=SMTINTERPOL Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-11 15:03:00,349 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 15:03:00,360 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 15:03:00,364 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 15:03:00,365 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 15:03:00,366 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 15:03:00,366 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,729 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGe6319b995 [2018-04-11 15:03:00,856 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 15:03:00,856 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 15:03:00,857 INFO L168 CDTParser]: Scanning lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,863 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 15:03:00,863 INFO L215 ultiparseSymbolTable]: [2018-04-11 15:03:00,863 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 15:03:00,863 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_flis_unsafe_false_valid_deref_i____bswap_32 ('__bswap_32') in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,863 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,863 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_flis_unsafe_false_valid_deref_i____bswap_64 ('__bswap_64') in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,863 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_flis_unsafe_false_valid_deref_i__lis ('lis') in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,864 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 15:03:00,864 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__fsid_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,864 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__quad_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,864 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__u_int16_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,864 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__pthread_cond_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,864 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__pthread_spinlock_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,864 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____loff_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,864 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__int64_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,864 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____daddr_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,864 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__clockid_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,865 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____clockid_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,865 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__suseconds_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,865 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____sigset_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,865 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__ushort in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,865 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____uint8_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,865 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____useconds_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,865 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__loff_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,865 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__u_long in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,865 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__fd_mask in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,865 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__pthread_barrier_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,865 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____key_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,865 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____u_quad_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,865 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____fsid_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,865 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__nlink_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,865 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__wchar_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,865 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__uint in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,865 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____ino64_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,866 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____ino_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,866 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____syscall_slong_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,866 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__dev_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,866 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____int16_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,866 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__id_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,866 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____u_int in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,866 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____u_long in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,866 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____blkcnt_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,866 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__pthread_once_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,866 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__sigset_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,866 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__timer_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,867 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____pthread_list_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,867 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__u_int32_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,867 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__u_char in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,867 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__blkcnt_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,867 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____fsblkcnt64_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,867 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____nlink_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,867 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____uid_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,867 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__pthread_attr_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,867 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____off64_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,867 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____uint64_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,867 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__ssize_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,867 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__pthread_rwlockattr_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,868 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____blkcnt64_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,868 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____fsword_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,868 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____ssize_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,868 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____quad_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,868 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__pthread_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,868 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____off_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,868 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__fsfilcnt_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,868 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__int32_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,868 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____u_char in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,868 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____gid_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,868 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____fd_mask in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,868 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____pid_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,869 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____sig_atomic_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,869 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__pthread_mutexattr_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,869 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__fsblkcnt_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,869 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____timer_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,869 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__u_int8_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,869 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____int32_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,869 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____syscall_ulong_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,869 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____id_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,869 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__caddr_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,869 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__u_int in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,869 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__mode_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,870 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____rlim_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,870 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____u_short in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,870 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____fsfilcnt_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,870 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__key_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,870 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____time_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,870 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____suseconds_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,870 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__pthread_mutex_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,870 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__lldiv_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,870 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____mode_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,870 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__blksize_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,870 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__pthread_rwlock_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,870 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__pthread_key_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,871 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____socklen_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,871 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__uid_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,871 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__int16_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,871 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____fsblkcnt_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,871 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__size_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,871 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__time_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,871 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__off_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,871 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____intptr_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,871 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____uint32_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,871 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__div_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,871 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__pthread_barrierattr_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,871 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____int8_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,871 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__register_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,871 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__u_quad_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,871 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__u_short in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,871 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__gid_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,871 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____caddr_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,871 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____fsfilcnt64_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,871 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__ino_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,871 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__pid_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,871 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____int64_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,872 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__ulong in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,872 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__ldiv_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,872 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____qaddr_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,872 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____blksize_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,872 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__int8_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,872 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__clock_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,872 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__fd_set in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,872 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____uint16_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,872 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__daddr_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,872 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__u_int64_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,872 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____rlim64_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,872 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____dev_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,872 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____WAIT_STATUS in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,873 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__pthread_condattr_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,873 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____clock_t in lis_unsafe_false-valid-deref.i [2018-04-11 15:03:00,887 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGe6319b995 [2018-04-11 15:03:00,890 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 15:03:00,891 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 15:03:00,892 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 15:03:00,892 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 15:03:00,896 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 15:03:00,896 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 03:03:00" (1/1) ... [2018-04-11 15:03:00,898 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@752f39f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:03:00, skipping insertion in model container [2018-04-11 15:03:00,898 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 03:03:00" (1/1) ... [2018-04-11 15:03:00,909 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 15:03:00,931 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 15:03:01,057 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 15:03:01,097 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 15:03:01,103 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-11 15:03:01,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:03:01 WrapperNode [2018-04-11 15:03:01,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 15:03:01,133 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 15:03:01,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 15:03:01,133 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 15:03:01,145 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:03:01" (1/1) ... [2018-04-11 15:03:01,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:03:01" (1/1) ... [2018-04-11 15:03:01,156 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:03:01" (1/1) ... [2018-04-11 15:03:01,156 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:03:01" (1/1) ... [2018-04-11 15:03:01,164 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:03:01" (1/1) ... [2018-04-11 15:03:01,169 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:03:01" (1/1) ... [2018-04-11 15:03:01,171 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:03:01" (1/1) ... [2018-04-11 15:03:01,175 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 15:03:01,175 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 15:03:01,175 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 15:03:01,176 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 15:03:01,176 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:03:01" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 15:03:01,266 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 15:03:01,266 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 15:03:01,266 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_flis_unsafe_false_valid_deref_i____bswap_32 [2018-04-11 15:03:01,266 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_flis_unsafe_false_valid_deref_i____bswap_64 [2018-04-11 15:03:01,266 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_flis_unsafe_false_valid_deref_i__lis [2018-04-11 15:03:01,266 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 15:03:01,266 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_flis_unsafe_false_valid_deref_i____bswap_32 [2018-04-11 15:03:01,266 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_flis_unsafe_false_valid_deref_i____bswap_64 [2018-04-11 15:03:01,266 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 15:03:01,267 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 15:03:01,267 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 15:03:01,267 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 15:03:01,267 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 15:03:01,267 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 15:03:01,267 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 15:03:01,267 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 15:03:01,267 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 15:03:01,267 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 15:03:01,267 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 15:03:01,267 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 15:03:01,268 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 15:03:01,268 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 15:03:01,268 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 15:03:01,268 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 15:03:01,268 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 15:03:01,268 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 15:03:01,268 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 15:03:01,268 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 15:03:01,269 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 15:03:01,269 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 15:03:01,269 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 15:03:01,269 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 15:03:01,269 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 15:03:01,269 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 15:03:01,269 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 15:03:01,269 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 15:03:01,269 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 15:03:01,269 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 15:03:01,270 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 15:03:01,270 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 15:03:01,270 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 15:03:01,270 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 15:03:01,270 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 15:03:01,270 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 15:03:01,270 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 15:03:01,270 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 15:03:01,270 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 15:03:01,271 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 15:03:01,271 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 15:03:01,271 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 15:03:01,271 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 15:03:01,271 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 15:03:01,271 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 15:03:01,271 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 15:03:01,271 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 15:03:01,271 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 15:03:01,272 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 15:03:01,272 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 15:03:01,272 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 15:03:01,272 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 15:03:01,272 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 15:03:01,272 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 15:03:01,272 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 15:03:01,272 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 15:03:01,272 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 15:03:01,272 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 15:03:01,273 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 15:03:01,273 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 15:03:01,273 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 15:03:01,273 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-11 15:03:01,273 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 15:03:01,273 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 15:03:01,273 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 15:03:01,273 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 15:03:01,273 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 15:03:01,273 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 15:03:01,273 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 15:03:01,274 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 15:03:01,274 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 15:03:01,274 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 15:03:01,274 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 15:03:01,274 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 15:03:01,274 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 15:03:01,274 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 15:03:01,274 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 15:03:01,274 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 15:03:01,274 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 15:03:01,275 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 15:03:01,275 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 15:03:01,275 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 15:03:01,275 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 15:03:01,275 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 15:03:01,275 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 15:03:01,275 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 15:03:01,275 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 15:03:01,275 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 15:03:01,275 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 15:03:01,276 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 15:03:01,276 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 15:03:01,276 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 15:03:01,276 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 15:03:01,276 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 15:03:01,276 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 15:03:01,276 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 15:03:01,276 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 15:03:01,276 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 15:03:01,276 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 15:03:01,276 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 15:03:01,277 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-11 15:03:01,277 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_flis_unsafe_false_valid_deref_i__lis [2018-04-11 15:03:01,277 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 15:03:01,277 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-11 15:03:01,277 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-11 15:03:01,277 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 15:03:01,277 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 15:03:01,277 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 15:03:01,277 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 15:03:01,277 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-11 15:03:01,853 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 15:03:01,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 03:03:01 BoogieIcfgContainer [2018-04-11 15:03:01,853 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 15:03:01,854 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 15:03:01,854 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 15:03:01,857 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 15:03:01,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 03:03:00" (1/3) ... [2018-04-11 15:03:01,858 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37cdfe6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 03:03:01, skipping insertion in model container [2018-04-11 15:03:01,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:03:01" (2/3) ... [2018-04-11 15:03:01,858 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37cdfe6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 03:03:01, skipping insertion in model container [2018-04-11 15:03:01,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 03:03:01" (3/3) ... [2018-04-11 15:03:01,860 INFO L107 eAbstractionObserver]: Analyzing ICFG lis_unsafe_false-valid-deref.i [2018-04-11 15:03:01,866 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-11 15:03:01,872 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 27 error locations. [2018-04-11 15:03:01,898 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 15:03:01,899 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 15:03:01,899 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-11 15:03:01,899 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-11 15:03:01,899 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-11 15:03:01,899 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 15:03:01,899 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 15:03:01,899 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 15:03:01,899 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 15:03:01,900 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 15:03:01,910 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states. [2018-04-11 15:03:01,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-11 15:03:01,917 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:03:01,918 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:03:01,918 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr5RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr25AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr11RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr0RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr16RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr14RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr3RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr8RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr19RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr22AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr7RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr21RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr4RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr18RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr23AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr15RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr20RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr1RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr10RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr6RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr12RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr13RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr24AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr17RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr2RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr9RequiresViolation]=== [2018-04-11 15:03:01,922 INFO L82 PathProgramCache]: Analyzing trace with hash -1844345759, now seen corresponding path program 1 times [2018-04-11 15:03:01,923 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:03:01,924 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:03:01,959 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:03:01,959 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:03:01,959 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:03:02,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:03:02,009 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:03:02,026 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-11 15:03:02,026 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 15:03:02,026 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-11 15:03:02,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:03:02,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:03:02,094 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 15:03:02,133 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 15:03:02,134 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:03:02,138 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:03:02,138 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-11 15:03:02,161 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 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 12 treesize of output 11 [2018-04-11 15:03:02,161 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:03:02,181 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 15:03:02,181 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2018-04-11 15:03:02,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:03:02,193 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:03:02,193 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 15:03:02,194 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 15:03:02,205 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 15:03:02,205 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 15:03:02,207 INFO L87 Difference]: Start difference. First operand 85 states. Second operand 4 states. [2018-04-11 15:03:02,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:03:02,308 INFO L93 Difference]: Finished difference Result 77 states and 83 transitions. [2018-04-11 15:03:02,309 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 15:03:02,310 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-04-11 15:03:02,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:03:02,318 INFO L225 Difference]: With dead ends: 77 [2018-04-11 15:03:02,318 INFO L226 Difference]: Without dead ends: 74 [2018-04-11 15:03:02,320 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 1 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 15:03:02,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-04-11 15:03:02,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2018-04-11 15:03:02,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2018-04-11 15:03:02,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 80 transitions. [2018-04-11 15:03:02,344 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 80 transitions. Word has length 15 [2018-04-11 15:03:02,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:03:02,344 INFO L459 AbstractCegarLoop]: Abstraction has 74 states and 80 transitions. [2018-04-11 15:03:02,344 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 15:03:02,344 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 80 transitions. [2018-04-11 15:03:02,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-11 15:03:02,344 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:03:02,345 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:03:02,345 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr5RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr25AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr11RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr0RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr16RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr14RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr3RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr8RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr19RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr22AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr7RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr21RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr4RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr18RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr23AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr15RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr20RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr1RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr10RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr6RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr12RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr13RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr24AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr17RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr2RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr9RequiresViolation]=== [2018-04-11 15:03:02,345 INFO L82 PathProgramCache]: Analyzing trace with hash -1844345758, now seen corresponding path program 1 times [2018-04-11 15:03:02,345 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:03:02,345 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:03:02,345 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:03:02,346 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:03:02,346 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:03:02,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:03:02,356 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:03:02,360 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-11 15:03:02,360 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 15:03:02,360 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-11 15:03:02,360 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:03:02,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:03:02,381 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 15:03:02,391 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 8 treesize of output 7 [2018-04-11 15:03:02,391 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:03:02,394 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:03:02,395 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-04-11 15:03:02,407 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 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 16 treesize of output 15 [2018-04-11 15:03:02,407 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:03:02,411 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 15:03:02,411 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:19, output treesize:18 [2018-04-11 15:03:02,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:03:02,440 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:03:02,440 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 15:03:02,441 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 15:03:02,441 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 15:03:02,441 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-04-11 15:03:02,441 INFO L87 Difference]: Start difference. First operand 74 states and 80 transitions. Second operand 6 states. [2018-04-11 15:03:02,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:03:02,594 INFO L93 Difference]: Finished difference Result 68 states and 74 transitions. [2018-04-11 15:03:02,595 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 15:03:02,595 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2018-04-11 15:03:02,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:03:02,596 INFO L225 Difference]: With dead ends: 68 [2018-04-11 15:03:02,596 INFO L226 Difference]: Without dead ends: 68 [2018-04-11 15:03:02,597 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2018-04-11 15:03:02,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-04-11 15:03:02,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2018-04-11 15:03:02,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-04-11 15:03:02,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 74 transitions. [2018-04-11 15:03:02,601 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 74 transitions. Word has length 15 [2018-04-11 15:03:02,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:03:02,602 INFO L459 AbstractCegarLoop]: Abstraction has 68 states and 74 transitions. [2018-04-11 15:03:02,602 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 15:03:02,602 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 74 transitions. [2018-04-11 15:03:02,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-04-11 15:03:02,602 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:03:02,602 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:03:02,603 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr5RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr25AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr11RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr0RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr16RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr14RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr3RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr8RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr19RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr22AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr7RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr21RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr4RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr18RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr23AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr15RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr20RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr1RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr10RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr6RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr12RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr13RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr24AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr17RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr2RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr9RequiresViolation]=== [2018-04-11 15:03:02,603 INFO L82 PathProgramCache]: Analyzing trace with hash -1340143685, now seen corresponding path program 1 times [2018-04-11 15:03:02,603 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:03:02,603 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:03:02,607 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:03:02,607 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:03:02,607 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:03:02,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:03:02,618 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:03:02,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:03:02,646 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:03:02,646 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 15:03:02,646 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 15:03:02,646 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 15:03:02,647 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 15:03:02,647 INFO L87 Difference]: Start difference. First operand 68 states and 74 transitions. Second operand 4 states. [2018-04-11 15:03:02,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:03:02,690 INFO L93 Difference]: Finished difference Result 66 states and 72 transitions. [2018-04-11 15:03:02,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 15:03:02,690 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2018-04-11 15:03:02,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:03:02,691 INFO L225 Difference]: With dead ends: 66 [2018-04-11 15:03:02,691 INFO L226 Difference]: Without dead ends: 66 [2018-04-11 15:03:02,691 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 15:03:02,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-04-11 15:03:02,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2018-04-11 15:03:02,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2018-04-11 15:03:02,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 72 transitions. [2018-04-11 15:03:02,694 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 72 transitions. Word has length 16 [2018-04-11 15:03:02,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:03:02,694 INFO L459 AbstractCegarLoop]: Abstraction has 66 states and 72 transitions. [2018-04-11 15:03:02,695 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 15:03:02,695 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 72 transitions. [2018-04-11 15:03:02,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-04-11 15:03:02,695 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:03:02,695 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:03:02,695 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr5RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr25AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr11RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr0RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr16RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr14RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr3RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr8RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr19RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr22AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr7RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr21RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr4RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr18RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr23AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr15RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr20RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr1RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr10RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr6RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr12RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr13RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr24AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr17RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr2RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr9RequiresViolation]=== [2018-04-11 15:03:02,695 INFO L82 PathProgramCache]: Analyzing trace with hash -1340143684, now seen corresponding path program 1 times [2018-04-11 15:03:02,696 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:03:02,696 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:03:02,696 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:03:02,696 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:03:02,696 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:03:02,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:03:02,708 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:03:02,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:03:02,783 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:03:02,783 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-11 15:03:02,783 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-11 15:03:02,783 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-11 15:03:02,783 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-04-11 15:03:02,783 INFO L87 Difference]: Start difference. First operand 66 states and 72 transitions. Second operand 8 states. [2018-04-11 15:03:02,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:03:02,991 INFO L93 Difference]: Finished difference Result 80 states and 89 transitions. [2018-04-11 15:03:02,992 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-11 15:03:02,992 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 16 [2018-04-11 15:03:02,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:03:02,992 INFO L225 Difference]: With dead ends: 80 [2018-04-11 15:03:02,992 INFO L226 Difference]: Without dead ends: 80 [2018-04-11 15:03:02,993 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2018-04-11 15:03:02,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-04-11 15:03:02,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 63. [2018-04-11 15:03:02,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-04-11 15:03:02,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 69 transitions. [2018-04-11 15:03:02,997 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 69 transitions. Word has length 16 [2018-04-11 15:03:02,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:03:02,998 INFO L459 AbstractCegarLoop]: Abstraction has 63 states and 69 transitions. [2018-04-11 15:03:02,999 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-11 15:03:02,999 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 69 transitions. [2018-04-11 15:03:02,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-11 15:03:02,999 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:03:02,999 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:03:03,000 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr5RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr25AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr11RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr0RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr16RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr14RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr3RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr8RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr19RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr22AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr7RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr21RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr4RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr18RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr23AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr15RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr20RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr1RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr10RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr6RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr12RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr13RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr24AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr17RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr2RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr9RequiresViolation]=== [2018-04-11 15:03:03,000 INFO L82 PathProgramCache]: Analyzing trace with hash -1623797761, now seen corresponding path program 1 times [2018-04-11 15:03:03,000 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:03:03,000 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:03:03,001 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:03:03,001 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:03:03,001 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:03:03,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:03:03,008 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:03:03,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:03:03,040 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:03:03,040 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 15:03:03,040 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 15:03:03,041 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 15:03:03,041 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-04-11 15:03:03,041 INFO L87 Difference]: Start difference. First operand 63 states and 69 transitions. Second operand 5 states. [2018-04-11 15:03:03,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:03:03,090 INFO L93 Difference]: Finished difference Result 91 states and 100 transitions. [2018-04-11 15:03:03,090 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 15:03:03,090 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2018-04-11 15:03:03,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:03:03,092 INFO L225 Difference]: With dead ends: 91 [2018-04-11 15:03:03,092 INFO L226 Difference]: Without dead ends: 91 [2018-04-11 15:03:03,093 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-04-11 15:03:03,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2018-04-11 15:03:03,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 71. [2018-04-11 15:03:03,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-04-11 15:03:03,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 78 transitions. [2018-04-11 15:03:03,095 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 78 transitions. Word has length 20 [2018-04-11 15:03:03,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:03:03,095 INFO L459 AbstractCegarLoop]: Abstraction has 71 states and 78 transitions. [2018-04-11 15:03:03,095 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 15:03:03,095 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 78 transitions. [2018-04-11 15:03:03,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-04-11 15:03:03,096 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:03:03,096 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:03:03,096 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr5RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr25AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr11RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr0RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr16RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr14RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr3RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr8RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr19RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr22AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr7RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr21RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr4RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr18RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr23AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr15RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr20RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr1RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr10RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr6RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr12RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr13RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr24AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr17RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr2RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr9RequiresViolation]=== [2018-04-11 15:03:03,096 INFO L82 PathProgramCache]: Analyzing trace with hash -20379317, now seen corresponding path program 1 times [2018-04-11 15:03:03,096 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:03:03,096 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:03:03,097 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:03:03,097 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:03:03,097 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:03:03,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:03:03,101 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:03:03,104 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-11 15:03:03,104 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 15:03:03,104 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-11 15:03:03,105 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:03:03,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:03:03,120 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 15:03:03,128 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 15:03:03,128 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:03:03,129 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:03:03,130 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-11 15:03:03,140 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:03:03,140 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:03:03,141 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-04-11 15:03:03,142 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:03:03,149 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:03:03,149 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:19 [2018-04-11 15:03:03,181 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:03:03,182 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2018-04-11 15:03:03,182 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:03:03,188 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 15:03:03,188 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:15 [2018-04-11 15:03:03,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:03:03,203 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:03:03,203 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-11 15:03:03,203 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-11 15:03:03,203 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-11 15:03:03,203 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-04-11 15:03:03,204 INFO L87 Difference]: Start difference. First operand 71 states and 78 transitions. Second operand 7 states. [2018-04-11 15:03:03,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:03:03,300 INFO L93 Difference]: Finished difference Result 70 states and 77 transitions. [2018-04-11 15:03:03,300 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-11 15:03:03,300 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 25 [2018-04-11 15:03:03,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:03:03,301 INFO L225 Difference]: With dead ends: 70 [2018-04-11 15:03:03,301 INFO L226 Difference]: Without dead ends: 70 [2018-04-11 15:03:03,301 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-04-11 15:03:03,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-04-11 15:03:03,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2018-04-11 15:03:03,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2018-04-11 15:03:03,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 77 transitions. [2018-04-11 15:03:03,305 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 77 transitions. Word has length 25 [2018-04-11 15:03:03,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:03:03,306 INFO L459 AbstractCegarLoop]: Abstraction has 70 states and 77 transitions. [2018-04-11 15:03:03,306 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-11 15:03:03,306 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 77 transitions. [2018-04-11 15:03:03,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-04-11 15:03:03,306 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:03:03,306 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:03:03,306 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr5RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr25AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr11RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr0RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr16RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr14RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr3RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr8RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr19RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr22AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr7RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr21RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr4RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr18RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr23AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr15RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr20RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr1RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr10RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr6RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr12RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr13RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr24AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr17RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr2RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr9RequiresViolation]=== [2018-04-11 15:03:03,306 INFO L82 PathProgramCache]: Analyzing trace with hash 643509425, now seen corresponding path program 1 times [2018-04-11 15:03:03,306 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:03:03,307 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:03:03,307 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:03:03,307 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:03:03,307 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:03:03,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:03:03,315 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:03:03,349 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:03:03,349 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 15:03:03,350 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-11 15:03:03,350 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:03:03,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:03:03,367 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 15:03:03,386 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:03:03,386 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 15:03:03,386 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2018-04-11 15:03:03,387 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-11 15:03:03,387 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-11 15:03:03,387 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-04-11 15:03:03,387 INFO L87 Difference]: Start difference. First operand 70 states and 77 transitions. Second operand 8 states. [2018-04-11 15:03:03,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:03:03,493 INFO L93 Difference]: Finished difference Result 157 states and 175 transitions. [2018-04-11 15:03:03,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-11 15:03:03,494 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2018-04-11 15:03:03,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:03:03,494 INFO L225 Difference]: With dead ends: 157 [2018-04-11 15:03:03,494 INFO L226 Difference]: Without dead ends: 157 [2018-04-11 15:03:03,495 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-04-11 15:03:03,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2018-04-11 15:03:03,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 88. [2018-04-11 15:03:03,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2018-04-11 15:03:03,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 99 transitions. [2018-04-11 15:03:03,498 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 99 transitions. Word has length 25 [2018-04-11 15:03:03,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:03:03,498 INFO L459 AbstractCegarLoop]: Abstraction has 88 states and 99 transitions. [2018-04-11 15:03:03,498 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-11 15:03:03,499 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 99 transitions. [2018-04-11 15:03:03,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-11 15:03:03,499 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:03:03,499 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:03:03,499 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr5RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr25AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr11RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr0RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr16RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr14RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr3RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr8RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr19RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr22AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr7RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr21RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr4RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr18RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr23AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr15RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr20RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr1RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr10RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr6RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr12RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr13RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr24AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr17RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr2RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr9RequiresViolation]=== [2018-04-11 15:03:03,499 INFO L82 PathProgramCache]: Analyzing trace with hash -1555108033, now seen corresponding path program 2 times [2018-04-11 15:03:03,499 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:03:03,499 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:03:03,500 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:03:03,500 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:03:03,500 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:03:03,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-11 15:03:03,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-11 15:03:03,550 INFO L421 BasicCegarLoop]: Counterexample might be feasible [2018-04-11 15:03:03,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.04 03:03:03 BoogieIcfgContainer [2018-04-11 15:03:03,573 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-11 15:03:03,574 INFO L168 Benchmark]: Toolchain (without parser) took 2683.05 ms. Allocated memory was 398.5 MB in the beginning and 633.9 MB in the end (delta: 235.4 MB). Free memory was 326.6 MB in the beginning and 476.6 MB in the end (delta: -150.0 MB). Peak memory consumption was 85.4 MB. Max. memory is 5.3 GB. [2018-04-11 15:03:03,574 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 398.5 MB. Free memory is still 353.1 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 15:03:03,575 INFO L168 Benchmark]: CACSL2BoogieTranslator took 240.87 ms. Allocated memory is still 398.5 MB. Free memory was 326.6 MB in the beginning and 301.4 MB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 5.3 GB. [2018-04-11 15:03:03,575 INFO L168 Benchmark]: Boogie Preprocessor took 42.12 ms. Allocated memory is still 398.5 MB. Free memory was 301.4 MB in the beginning and 298.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-11 15:03:03,575 INFO L168 Benchmark]: RCFGBuilder took 678.22 ms. Allocated memory was 398.5 MB in the beginning and 606.6 MB in the end (delta: 208.1 MB). Free memory was 298.8 MB in the beginning and 535.1 MB in the end (delta: -236.3 MB). Peak memory consumption was 24.2 MB. Max. memory is 5.3 GB. [2018-04-11 15:03:03,575 INFO L168 Benchmark]: TraceAbstraction took 1718.95 ms. Allocated memory was 606.6 MB in the beginning and 633.9 MB in the end (delta: 27.3 MB). Free memory was 535.1 MB in the beginning and 476.6 MB in the end (delta: 58.5 MB). Peak memory consumption was 85.8 MB. Max. memory is 5.3 GB. [2018-04-11 15:03:03,576 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 398.5 MB. Free memory is still 353.1 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 240.87 ms. Allocated memory is still 398.5 MB. Free memory was 326.6 MB in the beginning and 301.4 MB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 42.12 ms. Allocated memory is still 398.5 MB. Free memory was 301.4 MB in the beginning and 298.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 678.22 ms. Allocated memory was 398.5 MB in the beginning and 606.6 MB in the end (delta: 208.1 MB). Free memory was 298.8 MB in the beginning and 535.1 MB in the end (delta: -236.3 MB). Peak memory consumption was 24.2 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1718.95 ms. Allocated memory was 606.6 MB in the beginning and 633.9 MB in the end (delta: 27.3 MB). Free memory was 535.1 MB in the beginning and 476.6 MB in the end (delta: 58.5 MB). Peak memory consumption was 85.8 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: [L559] int *a; [L560] int N = __VERIFIER_nondet_int(); [L561] CALL lis(a, N) VAL [\old(N)=2, a={13:12}] [L542] int *best, *prev, i, j, max = 0; [L542] int *best, *prev, i, j, max = 0; VAL [\old(N)=2, a={13:12}, a={13:12}, max=0, N=2] [L543] EXPR, FCALL malloc(sizeof(int) * N) VAL [\old(N)=2, a={13:12}, a={13:12}, malloc(sizeof(int) * N)={9:0}, max=0, N=2] [L543] best = (int*) malloc(sizeof(int) * N) VAL [\old(N)=2, a={13:12}, a={13:12}, best={9:0}, malloc(sizeof(int) * N)={9:0}, max=0, N=2] [L544] EXPR, FCALL malloc(sizeof(int) * N) VAL [\old(N)=2, a={13:12}, a={13:12}, best={9:0}, malloc(sizeof(int) * N)={9:0}, malloc(sizeof(int) * N)={15:0}, max=0, N=2] [L544] prev = (int*) malloc(sizeof(int) * N) [L545] i = 0 VAL [\old(N)=2, a={13:12}, a={13:12}, best={9:0}, i=0, malloc(sizeof(int) * N)={9:0}, malloc(sizeof(int) * N)={15:0}, max=0, N=2, prev={15:0}] [L545] COND TRUE i < N VAL [\old(N)=2, a={13:12}, a={13:12}, best={9:0}, i=0, malloc(sizeof(int) * N)={9:0}, malloc(sizeof(int) * N)={15:0}, max=0, N=2, prev={15:0}] [L546] FCALL best[i] = 1 VAL [\old(N)=2, a={13:12}, a={13:12}, best={9:0}, i=0, malloc(sizeof(int) * N)={9:0}, malloc(sizeof(int) * N)={15:0}, max=0, N=2, prev={15:0}] [L546] FCALL prev[i] = i VAL [\old(N)=2, a={13:12}, a={13:12}, best={9:0}, i=0, malloc(sizeof(int) * N)={9:0}, malloc(sizeof(int) * N)={15:0}, max=0, N=2, prev={15:0}] [L545] i++ [L545] i++ [L545] COND TRUE i < N VAL [\old(N)=2, a={13:12}, a={13:12}, best={9:0}, i=1, malloc(sizeof(int) * N)={9:0}, malloc(sizeof(int) * N)={15:0}, max=0, N=2, prev={15:0}] [L546] FCALL best[i] = 1 VAL [\old(N)=2, a={13:12}, a={13:12}, best={9:0}, i=1, malloc(sizeof(int) * N)={9:0}, malloc(sizeof(int) * N)={15:0}, max=0, N=2, prev={15:0}] [L546] FCALL prev[i] = i VAL [\old(N)=2, a={13:12}, a={13:12}, best={9:0}, i=1, malloc(sizeof(int) * N)={9:0}, malloc(sizeof(int) * N)={15:0}, max=0, N=2, prev={15:0}] [L545] i++ [L545] i++ [L545] COND FALSE !(i < N) VAL [\old(N)=2, a={13:12}, a={13:12}, best={9:0}, i=2, malloc(sizeof(int) * N)={9:0}, malloc(sizeof(int) * N)={15:0}, max=0, N=2, prev={15:0}] [L547] i = 1 VAL [\old(N)=2, a={13:12}, a={13:12}, best={9:0}, i=1, malloc(sizeof(int) * N)={9:0}, malloc(sizeof(int) * N)={15:0}, max=0, N=2, prev={15:0}] [L547] COND TRUE i < N [L548] j = 0 VAL [\old(N)=2, a={13:12}, a={13:12}, best={9:0}, i=1, j=0, malloc(sizeof(int) * N)={9:0}, malloc(sizeof(int) * N)={15:0}, max=0, N=2, prev={15:0}] [L548] COND TRUE j < i VAL [\old(N)=2, a={13:12}, a={13:12}, best={9:0}, i=1, j=0, malloc(sizeof(int) * N)={9:0}, malloc(sizeof(int) * N)={15:0}, max=0, N=2, prev={15:0}] [L549] FCALL a[i] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 91 locations, 27 error locations. UNSAFE Result, 1.6s OverallTime, 8 OverallIterations, 3 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 359 SDtfs, 1040 SDslu, 530 SDs, 0 SdLazy, 474 SolverSat, 68 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 115 GetRequests, 66 SyntacticMatches, 5 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=88occurred in iteration=7, 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, 7 MinimizatonAttempts, 106 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 242 NumberOfCodeBlocks, 242 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 149 ConstructedInterpolants, 3 QuantifiedInterpolants, 13480 SizeOfPredicates, 13 NumberOfNonLiveVariables, 349 ConjunctsInSsa, 34 ConjunctsInUnsatCore, 8 InterpolantComputations, 6 PerfectInterpolantSequences, 0/4 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/lis_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-11_15-03-03-583.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/lis_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-11_15-03-03-583.csv Received shutdown request...