java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv --cacsl2boogietranslator.bitprecise.bitfields false -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf -i ../../../trunk/examples/svcomp/array-memsafety/lis_unsafe_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-408c70d-m [2018-04-12 19:45:21,398 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-12 19:45:21,400 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-12 19:45:21,413 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-12 19:45:21,413 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-12 19:45:21,414 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-12 19:45:21,415 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-12 19:45:21,416 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-12 19:45:21,418 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-12 19:45:21,419 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-12 19:45:21,419 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-12 19:45:21,420 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-12 19:45:21,421 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-12 19:45:21,422 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-12 19:45:21,422 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-12 19:45:21,424 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-12 19:45:21,426 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-12 19:45:21,427 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-12 19:45:21,428 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-12 19:45:21,429 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-12 19:45:21,431 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-04-12 19:45:21,437 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf [2018-04-12 19:45:21,447 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-12 19:45:21,447 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-12 19:45:21,448 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-12 19:45:21,448 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-12 19:45:21,449 INFO L133 SettingsManager]: * Use SBE=true [2018-04-12 19:45:21,449 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-12 19:45:21,449 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-12 19:45:21,449 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-12 19:45:21,449 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-12 19:45:21,449 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-12 19:45:21,450 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-12 19:45:21,450 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-12 19:45:21,450 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-12 19:45:21,450 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-12 19:45:21,450 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-12 19:45:21,450 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-12 19:45:21,450 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-12 19:45:21,451 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-12 19:45:21,451 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-12 19:45:21,451 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-12 19:45:21,451 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-12 19:45:21,451 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-12 19:45:21,478 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-12 19:45:21,487 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-12 19:45:21,490 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-12 19:45:21,491 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-12 19:45:21,491 INFO L276 PluginConnector]: CDTParser initialized [2018-04-12 19:45:21,492 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 [2018-04-12 19:45:21,750 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG9961158e6 [2018-04-12 19:45:21,870 INFO L287 CDTParser]: IsIndexed: true [2018-04-12 19:45:21,870 INFO L288 CDTParser]: Found 1 translation units. [2018-04-12 19:45:21,870 INFO L168 CDTParser]: Scanning lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,876 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-12 19:45:21,876 INFO L215 ultiparseSymbolTable]: [2018-04-12 19:45:21,877 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-12 19:45:21,877 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 [2018-04-12 19:45:21,877 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,877 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 [2018-04-12 19:45:21,877 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_flis_unsafe_false_valid_deref_i__lis ('lis') in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,877 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-12 19:45:21,877 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__fsid_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,877 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__quad_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,877 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 [2018-04-12 19:45:21,877 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 [2018-04-12 19:45:21,877 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 [2018-04-12 19:45:21,877 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____loff_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,877 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__int64_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,877 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____daddr_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,877 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__clockid_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,877 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____clockid_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,878 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__suseconds_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,878 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____sigset_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,878 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__ushort in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,878 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____uint8_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,878 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____useconds_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,878 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__loff_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,878 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__u_long in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,878 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__fd_mask in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,878 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 [2018-04-12 19:45:21,878 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____key_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,878 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 [2018-04-12 19:45:21,878 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____fsid_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,878 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__nlink_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,878 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__wchar_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,878 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__uint in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,878 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____ino64_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,878 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____ino_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,878 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 [2018-04-12 19:45:21,879 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__dev_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,879 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____int16_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,879 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__id_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,879 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____u_int in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,879 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____u_long in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,879 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____blkcnt_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,879 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 [2018-04-12 19:45:21,879 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__sigset_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,879 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__timer_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,879 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 [2018-04-12 19:45:21,879 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 [2018-04-12 19:45:21,879 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__u_char in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,879 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__blkcnt_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,879 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____fsblkcnt64_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,879 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____nlink_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,879 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____uid_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,879 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 [2018-04-12 19:45:21,879 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____off64_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,880 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____uint64_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,880 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__ssize_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,880 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 [2018-04-12 19:45:21,880 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____blkcnt64_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,880 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____fsword_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,880 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____ssize_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,880 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____quad_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,880 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__pthread_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,880 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____off_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,880 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__fsfilcnt_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,880 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__int32_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,880 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____u_char in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,880 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____gid_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,880 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____fd_mask in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,880 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____pid_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,880 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 [2018-04-12 19:45:21,880 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 [2018-04-12 19:45:21,880 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__fsblkcnt_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,880 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____timer_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,881 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 [2018-04-12 19:45:21,881 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____int32_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,881 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 [2018-04-12 19:45:21,881 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____id_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,881 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__caddr_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,881 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__u_int in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,881 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__mode_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,881 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____rlim_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,881 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____u_short in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,881 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____fsfilcnt_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,881 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__key_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,881 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____time_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,881 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____suseconds_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,881 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 [2018-04-12 19:45:21,881 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__lldiv_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,881 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____mode_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,881 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__blksize_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,881 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 [2018-04-12 19:45:21,882 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 [2018-04-12 19:45:21,882 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____socklen_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,882 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__uid_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,882 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__int16_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,882 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____fsblkcnt_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,882 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__size_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,882 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__time_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,882 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__off_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,882 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____intptr_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,882 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____uint32_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,882 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__div_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,883 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 [2018-04-12 19:45:21,883 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____int8_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,883 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__register_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,883 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 [2018-04-12 19:45:21,883 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__u_short in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,883 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__gid_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,883 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____caddr_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,883 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____fsfilcnt64_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,883 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__ino_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,883 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__pid_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,883 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____int64_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,884 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__ulong in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,884 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__ldiv_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,884 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____qaddr_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,884 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____blksize_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,884 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__int8_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,884 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__clock_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,884 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__fd_set in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,884 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____uint16_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,884 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__daddr_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,884 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 [2018-04-12 19:45:21,884 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____rlim64_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,884 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____dev_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,885 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____WAIT_STATUS in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,885 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 [2018-04-12 19:45:21,885 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____clock_t in lis_unsafe_false-valid-deref.i [2018-04-12 19:45:21,897 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG9961158e6 [2018-04-12 19:45:21,900 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-12 19:45:21,901 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-12 19:45:21,902 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-12 19:45:21,902 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-12 19:45:21,905 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-12 19:45:21,906 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 07:45:21" (1/1) ... [2018-04-12 19:45:21,908 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d67787a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:45:21, skipping insertion in model container [2018-04-12 19:45:21,908 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 07:45:21" (1/1) ... [2018-04-12 19:45:21,919 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 19:45:21,939 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 19:45:22,060 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 19:45:22,096 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 19:45:22,102 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-12 19:45:22,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:45:22 WrapperNode [2018-04-12 19:45:22,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-12 19:45:22,133 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-12 19:45:22,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-12 19:45:22,133 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-12 19:45:22,142 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:45:22" (1/1) ... [2018-04-12 19:45:22,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:45:22" (1/1) ... [2018-04-12 19:45:22,153 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:45:22" (1/1) ... [2018-04-12 19:45:22,153 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:45:22" (1/1) ... [2018-04-12 19:45:22,161 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:45:22" (1/1) ... [2018-04-12 19:45:22,166 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:45:22" (1/1) ... [2018-04-12 19:45:22,169 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:45:22" (1/1) ... [2018-04-12 19:45:22,179 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-12 19:45:22,180 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-12 19:45:22,180 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-12 19:45:22,180 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-12 19:45:22,181 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:45:22" (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 [2018-04-12 19:45:22,268 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-12 19:45:22,268 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-12 19:45:22,268 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_flis_unsafe_false_valid_deref_i____bswap_32 [2018-04-12 19:45:22,269 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_flis_unsafe_false_valid_deref_i____bswap_64 [2018-04-12 19:45:22,269 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_flis_unsafe_false_valid_deref_i__lis [2018-04-12 19:45:22,269 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-12 19:45:22,269 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_flis_unsafe_false_valid_deref_i____bswap_32 [2018-04-12 19:45:22,269 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_flis_unsafe_false_valid_deref_i____bswap_64 [2018-04-12 19:45:22,269 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-12 19:45:22,269 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-12 19:45:22,269 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-12 19:45:22,269 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-12 19:45:22,269 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-12 19:45:22,269 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-12 19:45:22,269 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-12 19:45:22,270 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-12 19:45:22,270 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-12 19:45:22,270 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-12 19:45:22,270 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-12 19:45:22,270 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-12 19:45:22,270 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-12 19:45:22,270 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-12 19:45:22,270 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-12 19:45:22,270 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-12 19:45:22,270 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-12 19:45:22,270 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-12 19:45:22,270 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-12 19:45:22,270 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-12 19:45:22,270 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-12 19:45:22,270 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-12 19:45:22,270 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-12 19:45:22,271 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-12 19:45:22,271 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-12 19:45:22,271 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-12 19:45:22,271 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-12 19:45:22,271 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-12 19:45:22,271 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-12 19:45:22,271 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-12 19:45:22,271 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-12 19:45:22,271 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-12 19:45:22,271 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-12 19:45:22,271 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-12 19:45:22,271 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-12 19:45:22,271 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-12 19:45:22,271 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-12 19:45:22,271 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-12 19:45:22,271 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-12 19:45:22,271 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-12 19:45:22,272 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-12 19:45:22,272 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-12 19:45:22,272 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-12 19:45:22,272 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-12 19:45:22,272 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-12 19:45:22,272 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-12 19:45:22,272 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-12 19:45:22,272 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-12 19:45:22,272 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-12 19:45:22,272 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-12 19:45:22,272 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-12 19:45:22,272 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-12 19:45:22,272 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-12 19:45:22,272 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-12 19:45:22,272 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-12 19:45:22,272 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-12 19:45:22,272 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-12 19:45:22,272 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-12 19:45:22,272 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-12 19:45:22,273 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-12 19:45:22,273 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-12 19:45:22,273 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-12 19:45:22,273 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-12 19:45:22,273 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-12 19:45:22,273 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-12 19:45:22,273 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-12 19:45:22,273 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-12 19:45:22,273 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-12 19:45:22,273 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-12 19:45:22,273 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-12 19:45:22,273 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-12 19:45:22,273 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-12 19:45:22,273 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-12 19:45:22,273 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-12 19:45:22,273 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-12 19:45:22,273 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-12 19:45:22,273 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-12 19:45:22,274 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-12 19:45:22,274 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-12 19:45:22,274 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-12 19:45:22,274 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-12 19:45:22,274 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-12 19:45:22,274 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-12 19:45:22,274 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-12 19:45:22,274 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-12 19:45:22,274 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-12 19:45:22,274 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-12 19:45:22,274 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-12 19:45:22,274 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-12 19:45:22,274 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-12 19:45:22,274 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-12 19:45:22,274 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-12 19:45:22,274 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-12 19:45:22,274 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-12 19:45:22,274 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-12 19:45:22,275 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-12 19:45:22,275 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-12 19:45:22,275 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-12 19:45:22,275 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-12 19:45:22,275 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-12 19:45:22,275 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-12 19:45:22,275 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_flis_unsafe_false_valid_deref_i__lis [2018-04-12 19:45:22,275 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-12 19:45:22,275 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-12 19:45:22,275 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-12 19:45:22,275 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-12 19:45:22,275 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-12 19:45:22,275 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-12 19:45:22,275 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-12 19:45:22,275 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-12 19:45:22,605 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-12 19:45:22,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 07:45:22 BoogieIcfgContainer [2018-04-12 19:45:22,605 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-12 19:45:22,606 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-12 19:45:22,606 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-12 19:45:22,608 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-12 19:45:22,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.04 07:45:21" (1/3) ... [2018-04-12 19:45:22,608 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45161caf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 07:45:22, skipping insertion in model container [2018-04-12 19:45:22,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:45:22" (2/3) ... [2018-04-12 19:45:22,609 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45161caf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 07:45:22, skipping insertion in model container [2018-04-12 19:45:22,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 07:45:22" (3/3) ... [2018-04-12 19:45:22,610 INFO L107 eAbstractionObserver]: Analyzing ICFG lis_unsafe_false-valid-deref.i [2018-04-12 19:45:22,615 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-04-12 19:45:22,620 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 27 error locations. [2018-04-12 19:45:22,643 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-12 19:45:22,643 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-12 19:45:22,643 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-12 19:45:22,643 INFO L371 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-04-12 19:45:22,643 INFO L372 AbstractCegarLoop]: Backedges is CANONICAL [2018-04-12 19:45:22,643 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-12 19:45:22,643 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-12 19:45:22,644 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-12 19:45:22,644 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-12 19:45:22,644 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-12 19:45:22,653 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states. [2018-04-12 19:45:22,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-12 19:45:22,659 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:45:22,660 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:45:22,660 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]=== [2018-04-12 19:45:22,663 INFO L82 PathProgramCache]: Analyzing trace with hash -1844345759, now seen corresponding path program 1 times [2018-04-12 19:45:22,697 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:45:22,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:45:22,747 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:45:22,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:45:22,832 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:45:22,832 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 19:45:22,832 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:45:22,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:45:22,833 INFO L182 omatonBuilderFactory]: Interpolants [88#true, 89#false, 90#(= (select |#valid| |__U_MULTI_flis_unsafe_false_valid_deref_i__lis_#t~malloc2.base|) 1), 91#(= (select |#valid| __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~best~0.base) 1)] [2018-04-12 19:45:22,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:45:22,834 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 19:45:22,842 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 19:45:22,843 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 19:45:22,844 INFO L87 Difference]: Start difference. First operand 85 states. Second operand 4 states. [2018-04-12 19:45:22,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:45:22,929 INFO L93 Difference]: Finished difference Result 77 states and 83 transitions. [2018-04-12 19:45:22,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-12 19:45:22,930 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-04-12 19:45:22,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:45:22,938 INFO L225 Difference]: With dead ends: 77 [2018-04-12 19:45:22,938 INFO L226 Difference]: Without dead ends: 74 [2018-04-12 19:45:22,939 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 19:45:22,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-04-12 19:45:22,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2018-04-12 19:45:22,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2018-04-12 19:45:22,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 80 transitions. [2018-04-12 19:45:22,968 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 80 transitions. Word has length 15 [2018-04-12 19:45:22,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:45:22,968 INFO L459 AbstractCegarLoop]: Abstraction has 74 states and 80 transitions. [2018-04-12 19:45:22,968 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 19:45:22,968 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 80 transitions. [2018-04-12 19:45:22,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-12 19:45:22,969 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:45:22,969 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:45:22,969 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]=== [2018-04-12 19:45:22,969 INFO L82 PathProgramCache]: Analyzing trace with hash -1844345758, now seen corresponding path program 1 times [2018-04-12 19:45:22,970 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:45:22,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:45:22,986 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:45:23,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:45:23,070 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:45:23,070 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-12 19:45:23,071 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:45:23,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:45:23,071 INFO L182 omatonBuilderFactory]: Interpolants [245#true, 246#false, 247#(and (= (* 4 __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~N) (select |#length| |__U_MULTI_flis_unsafe_false_valid_deref_i__lis_#t~malloc2.base|)) (= 0 |__U_MULTI_flis_unsafe_false_valid_deref_i__lis_#t~malloc2.offset|) (= (select |#valid| |__U_MULTI_flis_unsafe_false_valid_deref_i__lis_#t~malloc2.base|) 1)), 248#(and (= (select |#valid| __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~best~0.base) 1) (= (* 4 __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~N) (select |#length| __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~best~0.base)) (= __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~best~0.offset 0)), 249#(and (= (* 4 __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~N) (select |#length| __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~best~0.base)) (= __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~best~0.offset 0)), 250#(and (= __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~i~0 0) (= (* 4 __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~N) (select |#length| __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~best~0.base)) (= __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~best~0.offset 0)), 251#(and (<= (+ (* 4 __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~i~0) 4) (select |#length| __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~best~0.base)) (= __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~i~0 0) (= __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~best~0.offset 0))] [2018-04-12 19:45:23,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:45:23,072 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-12 19:45:23,073 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-12 19:45:23,073 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-04-12 19:45:23,073 INFO L87 Difference]: Start difference. First operand 74 states and 80 transitions. Second operand 7 states. [2018-04-12 19:45:23,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:45:23,393 INFO L93 Difference]: Finished difference Result 99 states and 108 transitions. [2018-04-12 19:45:23,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-12 19:45:23,393 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2018-04-12 19:45:23,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:45:23,396 INFO L225 Difference]: With dead ends: 99 [2018-04-12 19:45:23,396 INFO L226 Difference]: Without dead ends: 99 [2018-04-12 19:45:23,396 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2018-04-12 19:45:23,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-04-12 19:45:23,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 81. [2018-04-12 19:45:23,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-04-12 19:45:23,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 90 transitions. [2018-04-12 19:45:23,402 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 90 transitions. Word has length 15 [2018-04-12 19:45:23,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:45:23,403 INFO L459 AbstractCegarLoop]: Abstraction has 81 states and 90 transitions. [2018-04-12 19:45:23,403 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-12 19:45:23,403 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 90 transitions. [2018-04-12 19:45:23,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-04-12 19:45:23,403 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:45:23,403 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:45:23,404 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]=== [2018-04-12 19:45:23,404 INFO L82 PathProgramCache]: Analyzing trace with hash -1340143685, now seen corresponding path program 1 times [2018-04-12 19:45:23,404 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:45:23,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:45:23,416 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:45:23,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:45:23,435 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:45:23,435 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 19:45:23,435 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:45:23,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:45:23,436 INFO L182 omatonBuilderFactory]: Interpolants [438#true, 439#false, 440#(= 1 (select |#valid| |__U_MULTI_flis_unsafe_false_valid_deref_i__lis_#t~malloc3.base|)), 441#(= 1 (select |#valid| __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~prev~0.base))] [2018-04-12 19:45:23,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:45:23,436 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 19:45:23,436 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 19:45:23,437 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 19:45:23,437 INFO L87 Difference]: Start difference. First operand 81 states and 90 transitions. Second operand 4 states. [2018-04-12 19:45:23,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:45:23,474 INFO L93 Difference]: Finished difference Result 79 states and 88 transitions. [2018-04-12 19:45:23,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-12 19:45:23,474 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2018-04-12 19:45:23,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:45:23,479 INFO L225 Difference]: With dead ends: 79 [2018-04-12 19:45:23,479 INFO L226 Difference]: Without dead ends: 79 [2018-04-12 19:45:23,479 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 [2018-04-12 19:45:23,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-04-12 19:45:23,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2018-04-12 19:45:23,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-04-12 19:45:23,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 88 transitions. [2018-04-12 19:45:23,482 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 88 transitions. Word has length 16 [2018-04-12 19:45:23,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:45:23,482 INFO L459 AbstractCegarLoop]: Abstraction has 79 states and 88 transitions. [2018-04-12 19:45:23,482 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 19:45:23,482 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 88 transitions. [2018-04-12 19:45:23,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-04-12 19:45:23,483 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:45:23,483 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:45:23,483 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]=== [2018-04-12 19:45:23,483 INFO L82 PathProgramCache]: Analyzing trace with hash -1340143684, now seen corresponding path program 1 times [2018-04-12 19:45:23,483 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:45:23,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:45:23,493 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:45:23,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:45:23,557 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:45:23,557 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-12 19:45:23,558 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:45:23,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:45:23,558 INFO L182 omatonBuilderFactory]: Interpolants [608#(and (<= (+ (* 4 __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~i~0) 4) (select |#length| __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~prev~0.base)) (= __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~prev~0.offset 0) (= __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~best~0.offset 0)), 609#(and (<= 0 __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~i~0) (<= (+ (* 4 __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~i~0) 4) (select |#length| __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~prev~0.base)) (= __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~prev~0.offset 0)), 602#true, 603#false, 604#(= 0 |__U_MULTI_flis_unsafe_false_valid_deref_i__lis_#t~malloc2.offset|), 605#(= __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~best~0.offset 0), 606#(and (= (* 4 __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~N) (select |#length| |__U_MULTI_flis_unsafe_false_valid_deref_i__lis_#t~malloc3.base|)) (= 0 |__U_MULTI_flis_unsafe_false_valid_deref_i__lis_#t~malloc3.offset|) (= __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~best~0.offset 0)), 607#(and (= (* 4 __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~N) (select |#length| __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~prev~0.base)) (= __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~prev~0.offset 0) (= __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~best~0.offset 0))] [2018-04-12 19:45:23,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:45:23,558 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-12 19:45:23,558 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-12 19:45:23,558 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-04-12 19:45:23,558 INFO L87 Difference]: Start difference. First operand 79 states and 88 transitions. Second operand 8 states. [2018-04-12 19:45:23,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:45:23,731 INFO L93 Difference]: Finished difference Result 95 states and 107 transitions. [2018-04-12 19:45:23,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-12 19:45:23,731 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 16 [2018-04-12 19:45:23,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:45:23,732 INFO L225 Difference]: With dead ends: 95 [2018-04-12 19:45:23,732 INFO L226 Difference]: Without dead ends: 95 [2018-04-12 19:45:23,732 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 [2018-04-12 19:45:23,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-04-12 19:45:23,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 76. [2018-04-12 19:45:23,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-04-12 19:45:23,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 85 transitions. [2018-04-12 19:45:23,735 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 85 transitions. Word has length 16 [2018-04-12 19:45:23,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:45:23,735 INFO L459 AbstractCegarLoop]: Abstraction has 76 states and 85 transitions. [2018-04-12 19:45:23,735 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-12 19:45:23,735 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 85 transitions. [2018-04-12 19:45:23,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-12 19:45:23,736 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:45:23,736 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] [2018-04-12 19:45:23,736 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]=== [2018-04-12 19:45:23,736 INFO L82 PathProgramCache]: Analyzing trace with hash -1623797761, now seen corresponding path program 1 times [2018-04-12 19:45:23,737 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:45:23,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:45:23,744 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:45:23,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:45:23,788 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:45:23,788 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 19:45:23,788 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:45:23,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:45:23,788 INFO L182 omatonBuilderFactory]: Interpolants [791#true, 792#false, 793#(= __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~i~0 0), 794#(<= __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~N 0), 795#(and (= __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~i~0 1) (<= __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~N 0))] [2018-04-12 19:45:23,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:45:23,788 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 19:45:23,789 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 19:45:23,789 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-04-12 19:45:23,789 INFO L87 Difference]: Start difference. First operand 76 states and 85 transitions. Second operand 5 states. [2018-04-12 19:45:23,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:45:23,860 INFO L93 Difference]: Finished difference Result 96 states and 105 transitions. [2018-04-12 19:45:23,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 19:45:23,861 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2018-04-12 19:45:23,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:45:23,862 INFO L225 Difference]: With dead ends: 96 [2018-04-12 19:45:23,862 INFO L226 Difference]: Without dead ends: 96 [2018-04-12 19:45:23,862 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 [2018-04-12 19:45:23,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2018-04-12 19:45:23,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 82. [2018-04-12 19:45:23,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-04-12 19:45:23,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 91 transitions. [2018-04-12 19:45:23,867 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 91 transitions. Word has length 20 [2018-04-12 19:45:23,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:45:23,867 INFO L459 AbstractCegarLoop]: Abstraction has 82 states and 91 transitions. [2018-04-12 19:45:23,867 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 19:45:23,867 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 91 transitions. [2018-04-12 19:45:23,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-12 19:45:23,868 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:45:23,868 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:45:23,868 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]=== [2018-04-12 19:45:23,868 INFO L82 PathProgramCache]: Analyzing trace with hash -175210384, now seen corresponding path program 1 times [2018-04-12 19:45:23,869 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:45:23,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:45:23,882 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:45:23,965 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:45:23,965 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 19:45:23,965 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2018-04-12 19:45:23,966 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:45:23,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:45:23,966 INFO L182 omatonBuilderFactory]: Interpolants [976#true, 977#false, 978#(and (= (* 4 __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~N) (select |#length| |__U_MULTI_flis_unsafe_false_valid_deref_i__lis_#t~malloc2.base|)) (= 0 |__U_MULTI_flis_unsafe_false_valid_deref_i__lis_#t~malloc2.offset|) (= (select |#valid| |__U_MULTI_flis_unsafe_false_valid_deref_i__lis_#t~malloc2.base|) 1)), 979#(and (= (select |#valid| __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~best~0.base) 1) (= (* 4 __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~N) (select |#length| __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~best~0.base)) (= __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~best~0.offset 0)), 980#(and (= (* 4 __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~N) (select |#length| __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~best~0.base)) (= __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~best~0.offset 0)), 981#(and (<= 0 (+ (* 4 __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~i~0) __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~best~0.offset)) (= (* 4 __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~N) (select |#length| __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~best~0.base)) (= __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~best~0.offset 0)), 982#(and (<= 4 (+ (* 4 __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~i~0) __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~best~0.offset)) (= (* 4 __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~N) (select |#length| __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~best~0.base)) (= __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~best~0.offset 0)), 983#(and (<= (+ (* 4 __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~i~0) 4) (select |#length| __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~best~0.base)) (<= 4 (+ (* 4 __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~i~0) __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~best~0.offset)) (= __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~best~0.offset 0))] [2018-04-12 19:45:23,966 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:45:23,967 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-12 19:45:23,967 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-12 19:45:23,968 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-04-12 19:45:23,968 INFO L87 Difference]: Start difference. First operand 82 states and 91 transitions. Second operand 8 states. [2018-04-12 19:45:24,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:45:24,179 INFO L93 Difference]: Finished difference Result 91 states and 100 transitions. [2018-04-12 19:45:24,180 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-12 19:45:24,180 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 20 [2018-04-12 19:45:24,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:45:24,180 INFO L225 Difference]: With dead ends: 91 [2018-04-12 19:45:24,181 INFO L226 Difference]: Without dead ends: 91 [2018-04-12 19:45:24,181 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2018-04-12 19:45:24,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2018-04-12 19:45:24,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 71. [2018-04-12 19:45:24,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-04-12 19:45:24,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 78 transitions. [2018-04-12 19:45:24,184 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 78 transitions. Word has length 20 [2018-04-12 19:45:24,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:45:24,185 INFO L459 AbstractCegarLoop]: Abstraction has 71 states and 78 transitions. [2018-04-12 19:45:24,185 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-12 19:45:24,185 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 78 transitions. [2018-04-12 19:45:24,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-04-12 19:45:24,186 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:45:24,186 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] [2018-04-12 19:45:24,186 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]=== [2018-04-12 19:45:24,186 INFO L82 PathProgramCache]: Analyzing trace with hash -20379317, now seen corresponding path program 1 times [2018-04-12 19:45:24,187 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:45:24,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:45:24,196 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:45:24,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:45:24,243 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:45:24,243 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-12 19:45:24,243 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:45:24,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:45:24,243 INFO L182 omatonBuilderFactory]: Interpolants [1154#true, 1155#false, 1156#(= 1 (select |#valid| |__U_MULTI_flis_unsafe_false_valid_deref_i__lis_#t~malloc2.base|)), 1157#(= 1 (select |#valid| __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~best~0.base)), 1158#(and (not (= |__U_MULTI_flis_unsafe_false_valid_deref_i__lis_#t~malloc3.base| __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~best~0.base)) (= 1 (select |#valid| |__U_MULTI_flis_unsafe_false_valid_deref_i__lis_#t~malloc3.base|))), 1159#(and (= 1 (select |#valid| __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~prev~0.base)) (not (= __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~best~0.base __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~prev~0.base))), 1160#(= 1 (select |#valid| __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~prev~0.base))] [2018-04-12 19:45:24,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:45:24,243 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-12 19:45:24,244 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-12 19:45:24,244 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-04-12 19:45:24,244 INFO L87 Difference]: Start difference. First operand 71 states and 78 transitions. Second operand 7 states. [2018-04-12 19:45:24,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:45:24,335 INFO L93 Difference]: Finished difference Result 70 states and 77 transitions. [2018-04-12 19:45:24,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-12 19:45:24,335 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 25 [2018-04-12 19:45:24,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:45:24,335 INFO L225 Difference]: With dead ends: 70 [2018-04-12 19:45:24,336 INFO L226 Difference]: Without dead ends: 70 [2018-04-12 19:45:24,336 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2018-04-12 19:45:24,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-04-12 19:45:24,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2018-04-12 19:45:24,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2018-04-12 19:45:24,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 77 transitions. [2018-04-12 19:45:24,339 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 77 transitions. Word has length 25 [2018-04-12 19:45:24,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:45:24,339 INFO L459 AbstractCegarLoop]: Abstraction has 70 states and 77 transitions. [2018-04-12 19:45:24,339 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-12 19:45:24,340 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 77 transitions. [2018-04-12 19:45:24,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-04-12 19:45:24,340 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:45:24,340 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] [2018-04-12 19:45:24,340 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]=== [2018-04-12 19:45:24,340 INFO L82 PathProgramCache]: Analyzing trace with hash 643509425, now seen corresponding path program 1 times [2018-04-12 19:45:24,341 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:45:24,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:45:24,352 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:45:24,386 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:45:24,386 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 19:45:24,386 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-04-12 19:45:24,386 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:45:24,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:45:24,387 INFO L182 omatonBuilderFactory]: Interpolants [1312#(<= __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~i~0 1), 1313#(<= __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~N 1), 1314#(and (= __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~i~0 1) (<= __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~N 1)), 1309#true, 1310#false, 1311#(= __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~i~0 0)] [2018-04-12 19:45:24,387 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:45:24,387 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 19:45:24,387 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 19:45:24,387 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-04-12 19:45:24,388 INFO L87 Difference]: Start difference. First operand 70 states and 77 transitions. Second operand 6 states. [2018-04-12 19:45:24,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:45:24,452 INFO L93 Difference]: Finished difference Result 157 states and 175 transitions. [2018-04-12 19:45:24,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-12 19:45:24,452 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2018-04-12 19:45:24,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:45:24,453 INFO L225 Difference]: With dead ends: 157 [2018-04-12 19:45:24,453 INFO L226 Difference]: Without dead ends: 157 [2018-04-12 19:45:24,453 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2018-04-12 19:45:24,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2018-04-12 19:45:24,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 88. [2018-04-12 19:45:24,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2018-04-12 19:45:24,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 99 transitions. [2018-04-12 19:45:24,457 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 99 transitions. Word has length 25 [2018-04-12 19:45:24,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:45:24,457 INFO L459 AbstractCegarLoop]: Abstraction has 88 states and 99 transitions. [2018-04-12 19:45:24,457 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 19:45:24,457 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 99 transitions. [2018-04-12 19:45:24,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-12 19:45:24,458 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:45:24,458 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] [2018-04-12 19:45:24,458 INFO L408 AbstractCegarLoop]: === Iteration 9 === [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]=== [2018-04-12 19:45:24,458 INFO L82 PathProgramCache]: Analyzing trace with hash -1555108033, now seen corresponding path program 2 times [2018-04-12 19:45:24,459 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:45:24,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-12 19:45:24,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-12 19:45:24,501 INFO L421 BasicCegarLoop]: Counterexample might be feasible [2018-04-12 19:45:24,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.04 07:45:24 BoogieIcfgContainer [2018-04-12 19:45:24,527 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-12 19:45:24,527 INFO L168 Benchmark]: Toolchain (without parser) took 2626.55 ms. Allocated memory was 396.9 MB in the beginning and 630.2 MB in the end (delta: 233.3 MB). Free memory was 334.3 MB in the beginning and 436.8 MB in the end (delta: -102.4 MB). Peak memory consumption was 130.9 MB. Max. memory is 5.3 GB. [2018-04-12 19:45:24,528 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 396.9 MB. Free memory is still 360.1 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-12 19:45:24,528 INFO L168 Benchmark]: CACSL2BoogieTranslator took 230.91 ms. Allocated memory is still 396.9 MB. Free memory was 334.3 MB in the beginning and 309.2 MB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 5.3 GB. [2018-04-12 19:45:24,529 INFO L168 Benchmark]: Boogie Preprocessor took 46.27 ms. Allocated memory is still 396.9 MB. Free memory was 309.2 MB in the beginning and 306.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-12 19:45:24,529 INFO L168 Benchmark]: RCFGBuilder took 425.58 ms. Allocated memory was 396.9 MB in the beginning and 602.9 MB in the end (delta: 206.0 MB). Free memory was 306.6 MB in the beginning and 530.2 MB in the end (delta: -223.6 MB). Peak memory consumption was 23.0 MB. Max. memory is 5.3 GB. [2018-04-12 19:45:24,529 INFO L168 Benchmark]: TraceAbstraction took 1921.13 ms. Allocated memory was 602.9 MB in the beginning and 630.2 MB in the end (delta: 27.3 MB). Free memory was 530.2 MB in the beginning and 436.8 MB in the end (delta: 93.5 MB). Peak memory consumption was 120.7 MB. Max. memory is 5.3 GB. [2018-04-12 19:45:24,531 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 396.9 MB. Free memory is still 360.1 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 230.91 ms. Allocated memory is still 396.9 MB. Free memory was 334.3 MB in the beginning and 309.2 MB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 46.27 ms. Allocated memory is still 396.9 MB. Free memory was 309.2 MB in the beginning and 306.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 425.58 ms. Allocated memory was 396.9 MB in the beginning and 602.9 MB in the end (delta: 206.0 MB). Free memory was 306.6 MB in the beginning and 530.2 MB in the end (delta: -223.6 MB). Peak memory consumption was 23.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1921.13 ms. Allocated memory was 602.9 MB in the beginning and 630.2 MB in the end (delta: 27.3 MB). Free memory was 530.2 MB in the beginning and 436.8 MB in the end (delta: 93.5 MB). Peak memory consumption was 120.7 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, 1.8s OverallTime, 9 OverallIterations, 3 TraceHistogramMax, 1.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 417 SDtfs, 1293 SDslu, 579 SDs, 0 SdLazy, 662 SolverSat, 98 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 67 GetRequests, 10 SyntacticMatches, 3 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=88occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 2/5 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, 8 MinimizatonAttempts, 140 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 182 NumberOfCodeBlocks, 182 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 144 ConstructedInterpolants, 0 QuantifiedInterpolants, 12554 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 6 PerfectInterpolantSequences, 2/5 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_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-12_19-45-24-538.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_Array.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-12_19-45-24-538.csv Received shutdown request...