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_z3.epf -i ../../../trunk/examples/svcomp/memsafety-ext2/length_test03_false-valid-memtrack.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-11 18:26:04,400 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 18:26:04,401 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 18:26:04,412 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 18:26:04,413 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 18:26:04,413 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 18:26:04,414 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 18:26:04,415 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 18:26:04,417 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 18:26:04,417 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 18:26:04,418 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 18:26:04,418 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 18:26:04,419 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 18:26:04,420 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 18:26:04,420 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 18:26:04,422 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 18:26:04,423 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 18:26:04,424 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 18:26:04,425 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 18:26:04,426 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 18:26:04,428 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-11 18:26:04,428 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-11 18:26:04,428 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-11 18:26:04,429 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-11 18:26:04,429 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-11 18:26:04,430 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-11 18:26:04,430 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-11 18:26:04,431 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-11 18:26:04,431 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-11 18:26:04,432 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-11 18:26:04,432 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-11 18:26:04,432 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf [2018-04-11 18:26:04,453 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 18:26:04,453 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 18:26:04,454 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-11 18:26:04,455 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-11 18:26:04,455 INFO L133 SettingsManager]: * Use SBE=true [2018-04-11 18:26:04,455 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 18:26:04,455 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 18:26:04,455 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 18:26:04,455 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 18:26:04,455 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 18:26:04,455 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 18:26:04,455 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 18:26:04,456 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-11 18:26:04,456 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 18:26:04,456 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 18:26:04,456 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 18:26:04,456 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-11 18:26:04,456 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-11 18:26:04,456 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 18:26:04,456 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 18:26:04,456 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 18:26:04,456 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-04-11 18:26:04,457 INFO L133 SettingsManager]: * SMT solver=External_Z3InterpolationMode [2018-04-11 18:26:04,457 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-11 18:26:04,486 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 18:26:04,496 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 18:26:04,499 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 18:26:04,500 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 18:26:04,500 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 18:26:04,501 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety-ext2/length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,788 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG4614dd7a0 [2018-04-11 18:26:04,920 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 18:26:04,920 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 18:26:04,920 INFO L168 CDTParser]: Scanning length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,927 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 18:26:04,927 INFO L215 ultiparseSymbolTable]: [2018-04-11 18:26:04,928 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 18:26:04,928 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_flength_test___false_valid_memtrack_i____bswap_32 ('__bswap_32') in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,928 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_flength_test___false_valid_memtrack_i____bswap_64 ('__bswap_64') in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,928 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_flength_test___false_valid_memtrack_i__append ('append') in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,928 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,928 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 18:26:04,928 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__gid_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,928 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__off_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,929 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____blkcnt64_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,929 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__ldiv_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,929 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____nlink_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,929 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__u_short in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,929 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____int8_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,929 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__u_int64_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,929 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____mode_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,929 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____timer_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,929 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____uid_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,930 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__ssize_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,930 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____sig_atomic_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,930 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__key_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,930 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____ssize_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,930 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__nlink_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,930 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__fsfilcnt_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,930 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__timer_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,930 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__mode_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,930 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____fsword_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,930 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____u_short in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,931 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__int32_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,931 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____uint64_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,931 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__pid_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,931 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____clockid_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,931 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__u_int8_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,931 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____suseconds_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,931 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__clockid_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,931 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____pthread_slist_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,931 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__quad_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,931 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__caddr_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,932 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____fd_mask in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,932 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____id_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,932 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__u_int in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,932 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__u_int16_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,932 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____syscall_ulong_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,932 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__pthread_cond_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,932 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____int32_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,932 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__pthread_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,932 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____uint32_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,933 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__div_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,933 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__blksize_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,933 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__pthread_spinlock_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,933 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__fsblkcnt_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,933 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__size_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,933 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____pid_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,933 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__pthread_once_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,933 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____u_quad_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,933 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____intptr_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,933 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__pthread_mutexattr_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,934 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____u_char in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,934 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____off64_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,934 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____quad_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,934 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____fsblkcnt64_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,934 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____socklen_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,934 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__lldiv_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,934 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__uid_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,934 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__int16_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,934 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__pthread_barrier_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,935 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__pthread_attr_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,935 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__wchar_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,935 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____rlim_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,935 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____int16_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,935 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__pthread_rwlockattr_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,935 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__u_char in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,935 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__daddr_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,935 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__blkcnt_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,935 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__sigset_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,935 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____uint16_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,935 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____u_long in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,935 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____gid_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,936 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____ino_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,936 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____loff_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,936 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____ino64_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,936 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____sigset_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,936 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__u_int32_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,936 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____fsid_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,936 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____dev_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,936 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__ulong in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,936 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__u_long in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,936 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__suseconds_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,936 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__fd_mask in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,936 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__clock_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,936 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____caddr_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,937 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____off_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,937 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__fd_set in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,937 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__dev_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,937 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____rlim64_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,937 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____key_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,937 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__loff_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,937 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__uint in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,937 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____uint8_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,937 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__time_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,937 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__pthread_rwlock_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,937 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____u_int in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,938 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__fsid_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,938 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____qaddr_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,938 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____blkcnt_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,938 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____clock_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,938 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____daddr_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,938 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__id_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,938 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__int64_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,938 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____blksize_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,938 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__pthread_condattr_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,938 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__ushort in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,938 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____syscall_slong_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,939 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__u_quad_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,939 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____fsfilcnt_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,939 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____time_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,939 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__int8_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,939 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__pthread_key_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,939 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____fsblkcnt_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,939 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__register_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,939 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____int64_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,939 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__pthread_barrierattr_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,939 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____fsfilcnt64_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,939 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__pthread_mutex_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,939 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__ino_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,940 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____useconds_t in length_test03_false-valid-memtrack.i [2018-04-11 18:26:04,952 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG4614dd7a0 [2018-04-11 18:26:04,956 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 18:26:04,957 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 18:26:04,957 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 18:26:04,958 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 18:26:04,962 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 18:26:04,963 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 06:26:04" (1/1) ... [2018-04-11 18:26:04,965 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dc4d4e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:26:04, skipping insertion in model container [2018-04-11 18:26:04,965 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 06:26:04" (1/1) ... [2018-04-11 18:26:04,975 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 18:26:04,996 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 18:26:05,112 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 18:26:05,146 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 18:26:05,152 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 119 non ball SCCs. Number of states in SCCs 119. [2018-04-11 18:26:05,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:26:05 WrapperNode [2018-04-11 18:26:05,191 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 18:26:05,192 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 18:26:05,192 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 18:26:05,192 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 18:26:05,203 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:26:05" (1/1) ... [2018-04-11 18:26:05,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:26:05" (1/1) ... [2018-04-11 18:26:05,215 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:26:05" (1/1) ... [2018-04-11 18:26:05,215 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:26:05" (1/1) ... [2018-04-11 18:26:05,223 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:26:05" (1/1) ... [2018-04-11 18:26:05,228 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:26:05" (1/1) ... [2018-04-11 18:26:05,229 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:26:05" (1/1) ... [2018-04-11 18:26:05,232 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 18:26:05,232 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 18:26:05,232 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 18:26:05,233 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 18:26:05,233 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:26:05" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 18:26:05,316 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 18:26:05,316 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 18:26:05,316 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_flength_test___false_valid_memtrack_i____bswap_32 [2018-04-11 18:26:05,316 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_flength_test___false_valid_memtrack_i____bswap_64 [2018-04-11 18:26:05,316 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_flength_test___false_valid_memtrack_i__append [2018-04-11 18:26:05,316 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 18:26:05,316 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-11 18:26:05,316 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 18:26:05,316 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 18:26:05,316 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 18:26:05,316 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 18:26:05,316 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 18:26:05,317 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 18:26:05,317 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 18:26:05,317 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 18:26:05,317 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 18:26:05,317 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 18:26:05,317 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 18:26:05,317 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 18:26:05,317 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 18:26:05,317 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 18:26:05,317 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 18:26:05,318 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 18:26:05,318 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_flength_test___false_valid_memtrack_i____bswap_32 [2018-04-11 18:26:05,318 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_flength_test___false_valid_memtrack_i____bswap_64 [2018-04-11 18:26:05,318 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 18:26:05,318 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 18:26:05,318 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 18:26:05,318 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 18:26:05,318 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 18:26:05,318 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 18:26:05,319 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 18:26:05,319 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 18:26:05,319 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 18:26:05,319 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 18:26:05,319 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 18:26:05,319 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 18:26:05,319 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 18:26:05,319 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 18:26:05,319 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 18:26:05,320 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 18:26:05,320 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 18:26:05,320 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 18:26:05,320 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 18:26:05,320 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 18:26:05,320 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 18:26:05,320 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 18:26:05,320 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 18:26:05,320 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 18:26:05,320 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 18:26:05,321 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 18:26:05,321 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 18:26:05,321 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 18:26:05,321 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 18:26:05,321 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 18:26:05,321 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 18:26:05,321 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 18:26:05,321 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 18:26:05,321 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 18:26:05,321 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 18:26:05,322 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 18:26:05,322 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 18:26:05,322 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 18:26:05,322 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 18:26:05,322 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 18:26:05,322 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 18:26:05,322 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 18:26:05,322 INFO L128 BoogieDeclarations]: Found specification of procedure aligned_alloc [2018-04-11 18:26:05,322 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 18:26:05,322 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 18:26:05,323 INFO L128 BoogieDeclarations]: Found specification of procedure at_quick_exit [2018-04-11 18:26:05,323 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 18:26:05,323 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-11 18:26:05,323 INFO L128 BoogieDeclarations]: Found specification of procedure quick_exit [2018-04-11 18:26:05,323 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 18:26:05,323 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 18:26:05,323 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 18:26:05,323 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 18:26:05,323 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 18:26:05,323 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 18:26:05,324 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 18:26:05,324 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 18:26:05,324 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 18:26:05,324 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 18:26:05,324 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 18:26:05,324 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 18:26:05,324 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 18:26:05,324 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 18:26:05,324 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 18:26:05,324 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 18:26:05,324 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 18:26:05,325 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 18:26:05,325 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 18:26:05,325 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 18:26:05,325 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 18:26:05,325 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 18:26:05,325 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 18:26:05,325 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 18:26:05,325 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 18:26:05,325 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 18:26:05,325 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 18:26:05,325 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 18:26:05,326 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 18:26:05,326 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 18:26:05,326 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 18:26:05,326 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 18:26:05,326 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 18:26:05,326 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 18:26:05,326 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 18:26:05,326 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 18:26:05,326 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 18:26:05,326 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 18:26:05,326 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2018-04-11 18:26:05,327 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-11 18:26:05,327 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_flength_test___false_valid_memtrack_i__append [2018-04-11 18:26:05,327 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 18:26:05,327 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-11 18:26:05,327 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-11 18:26:05,327 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-11 18:26:05,327 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 18:26:05,327 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 18:26:05,327 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 18:26:05,327 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 18:26:05,327 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-11 18:26:05,328 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-11 18:26:05,717 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 18:26:05,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 06:26:05 BoogieIcfgContainer [2018-04-11 18:26:05,718 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 18:26:05,718 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 18:26:05,718 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 18:26:05,720 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 18:26:05,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 06:26:04" (1/3) ... [2018-04-11 18:26:05,721 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b1ec01b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 06:26:05, skipping insertion in model container [2018-04-11 18:26:05,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:26:05" (2/3) ... [2018-04-11 18:26:05,721 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b1ec01b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 06:26:05, skipping insertion in model container [2018-04-11 18:26:05,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 06:26:05" (3/3) ... [2018-04-11 18:26:05,722 INFO L107 eAbstractionObserver]: Analyzing ICFG length_test03_false-valid-memtrack.i [2018-04-11 18:26:05,727 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-04-11 18:26:05,732 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 55 error locations. [2018-04-11 18:26:05,755 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 18:26:05,756 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 18:26:05,756 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-11 18:26:05,756 INFO L371 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-04-11 18:26:05,756 INFO L372 AbstractCegarLoop]: Backedges is CANONICAL [2018-04-11 18:26:05,756 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 18:26:05,756 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 18:26:05,756 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 18:26:05,756 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 18:26:05,756 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 18:26:05,767 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-04-11 18:26:05,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-04-11 18:26:05,773 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:26:05,774 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:26:05,774 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr2RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr18RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr23RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr21RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr13RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr24RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr4RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr10RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr20RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr3RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr11RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr7RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr0RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr14RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr22RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr12RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr17RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr25RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr1RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr6RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr8RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr19RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr15RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr9RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr5RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr16RequiresViolation]=== [2018-04-11 18:26:05,777 INFO L82 PathProgramCache]: Analyzing trace with hash 1465942715, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:26:05,785 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:26:05,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:26:05,804 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-04-11 18:26:05,814 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:05,815 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:05,815 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:05,816 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:05,840 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |c_#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)) is different from true [2018-04-11 18:26:05,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:26:05,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:26:05,877 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:26:05,877 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 18:26:05,877 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:26:05,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:26:05,878 INFO L182 omatonBuilderFactory]: Interpolants [147#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)), 148#(= 1 (select |#valid| |main_#t~malloc8.base|)), 149#(= 1 (select |#valid| main_~list~0.base)), 150#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 142#true, 143#false] [2018-04-11 18:26:05,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:26:05,878 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 18:26:05,885 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 18:26:05,885 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-04-11 18:26:05,887 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-04-11 18:26:06,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:26:06,249 INFO L93 Difference]: Finished difference Result 175 states and 184 transitions. [2018-04-11 18:26:06,249 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-11 18:26:06,250 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 8 [2018-04-11 18:26:06,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:26:06,261 INFO L225 Difference]: With dead ends: 175 [2018-04-11 18:26:06,262 INFO L226 Difference]: Without dead ends: 172 [2018-04-11 18:26:06,263 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=28, Unknown=2, NotChecked=10, Total=56 [2018-04-11 18:26:06,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2018-04-11 18:26:06,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 134. [2018-04-11 18:26:06,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-04-11 18:26:06,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 140 transitions. [2018-04-11 18:26:06,312 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 140 transitions. Word has length 8 [2018-04-11 18:26:06,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:26:06,313 INFO L459 AbstractCegarLoop]: Abstraction has 134 states and 140 transitions. [2018-04-11 18:26:06,313 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 18:26:06,313 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 140 transitions. [2018-04-11 18:26:06,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-04-11 18:26:06,313 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:26:06,313 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:26:06,313 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr2RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr18RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr23RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr21RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr13RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr24RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr4RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr10RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr20RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr3RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr11RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr7RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr0RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr14RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr22RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr12RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr17RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr25RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr1RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr6RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr8RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr19RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr15RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr9RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr5RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr16RequiresViolation]=== [2018-04-11 18:26:06,313 INFO L82 PathProgramCache]: Analyzing trace with hash 1465942716, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:26:06,317 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:26:06,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:26:06,325 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-04-11 18:26:06,326 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:06,327 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:06,327 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:06,337 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:06,341 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 8) (store |c_#length| %1 8)) :qid itp)) :qid itp)) is different from true [2018-04-11 18:26:06,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:26:06,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:26:06,378 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:26:06,378 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 18:26:06,378 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:26:06,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:26:06,379 INFO L182 omatonBuilderFactory]: Interpolants [464#true, 465#false, 469#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 8) (store |#length| %1 8)) :qid itp)) :qid itp)), 470#(and (= 8 (select |#length| |main_#t~malloc8.base|)) (= 0 |main_#t~malloc8.offset|)), 471#(and (<= (+ main_~list~0.offset 4) (select |#length| main_~list~0.base)) (<= 0 main_~list~0.offset)), 472#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-04-11 18:26:06,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:26:06,380 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 18:26:06,380 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 18:26:06,380 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-04-11 18:26:06,380 INFO L87 Difference]: Start difference. First operand 134 states and 140 transitions. Second operand 6 states. [2018-04-11 18:26:06,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:26:06,641 INFO L93 Difference]: Finished difference Result 135 states and 142 transitions. [2018-04-11 18:26:06,642 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-11 18:26:06,642 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 8 [2018-04-11 18:26:06,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:26:06,643 INFO L225 Difference]: With dead ends: 135 [2018-04-11 18:26:06,643 INFO L226 Difference]: Without dead ends: 135 [2018-04-11 18:26:06,644 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=28, Unknown=2, NotChecked=10, Total=56 [2018-04-11 18:26:06,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-04-11 18:26:06,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 133. [2018-04-11 18:26:06,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-04-11 18:26:06,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 139 transitions. [2018-04-11 18:26:06,650 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 139 transitions. Word has length 8 [2018-04-11 18:26:06,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:26:06,651 INFO L459 AbstractCegarLoop]: Abstraction has 133 states and 139 transitions. [2018-04-11 18:26:06,651 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 18:26:06,651 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 139 transitions. [2018-04-11 18:26:06,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-04-11 18:26:06,651 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:26:06,651 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:26:06,651 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr2RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr18RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr23RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr21RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr13RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr24RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr4RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr10RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr20RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr3RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr11RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr7RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr0RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr14RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr22RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr12RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr17RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr25RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr1RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr6RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr8RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr19RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr15RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr9RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr5RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr16RequiresViolation]=== [2018-04-11 18:26:06,652 INFO L82 PathProgramCache]: Analyzing trace with hash -1800416054, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:26:06,657 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:26:06,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:26:06,666 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-04-11 18:26:06,667 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:06,667 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:06,668 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:06,668 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:06,706 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 8) (store |c_#length| %1 8)) :qid itp)) :qid itp)) is different from true [2018-04-11 18:26:06,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:26:06,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:26:06,743 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:26:06,744 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 18:26:06,744 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:26:06,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:26:06,744 INFO L182 omatonBuilderFactory]: Interpolants [752#(and (<= (+ main_~list~0.offset 8) (select |#length| main_~list~0.base)) (<= 0 (+ main_~list~0.offset 4))), 753#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 745#true, 746#false, 750#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 8) (store |#length| %1 8)) :qid itp)) :qid itp)), 751#(and (= 8 (select |#length| |main_#t~malloc8.base|)) (= 0 |main_#t~malloc8.offset|))] [2018-04-11 18:26:06,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:26:06,744 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 18:26:06,744 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 18:26:06,744 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-04-11 18:26:06,744 INFO L87 Difference]: Start difference. First operand 133 states and 139 transitions. Second operand 6 states. [2018-04-11 18:26:06,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:26:06,936 INFO L93 Difference]: Finished difference Result 134 states and 141 transitions. [2018-04-11 18:26:06,936 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 18:26:06,936 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 9 [2018-04-11 18:26:06,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:26:06,937 INFO L225 Difference]: With dead ends: 134 [2018-04-11 18:26:06,937 INFO L226 Difference]: Without dead ends: 134 [2018-04-11 18:26:06,937 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=28, Unknown=2, NotChecked=10, Total=56 [2018-04-11 18:26:06,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-04-11 18:26:06,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 132. [2018-04-11 18:26:06,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-04-11 18:26:06,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 138 transitions. [2018-04-11 18:26:06,942 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 138 transitions. Word has length 9 [2018-04-11 18:26:06,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:26:06,942 INFO L459 AbstractCegarLoop]: Abstraction has 132 states and 138 transitions. [2018-04-11 18:26:06,942 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 18:26:06,942 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 138 transitions. [2018-04-11 18:26:06,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-04-11 18:26:06,943 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:26:06,943 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:26:06,943 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr2RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr18RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr23RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr21RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr13RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr24RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr4RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr10RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr20RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr3RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr11RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr7RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr0RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr14RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr22RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr12RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr17RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr25RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr1RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr6RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr8RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr19RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr15RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr9RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr5RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr16RequiresViolation]=== [2018-04-11 18:26:06,943 INFO L82 PathProgramCache]: Analyzing trace with hash -643063297, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:26:06,951 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:26:06,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:26:06,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:26:06,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:26:07,003 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:26:07,003 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 18:26:07,003 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:26:07,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:26:07,004 INFO L182 omatonBuilderFactory]: Interpolants [1024#true, 1025#false, 1029#(= 1 (select |#valid| |main_#t~malloc9.base|)), 1030#(= 1 (select |#valid| main_~list2~0.base)), 1031#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-04-11 18:26:07,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:26:07,004 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 18:26:07,004 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 18:26:07,004 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 18:26:07,005 INFO L87 Difference]: Start difference. First operand 132 states and 138 transitions. Second operand 5 states. [2018-04-11 18:26:07,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:26:07,183 INFO L93 Difference]: Finished difference Result 148 states and 156 transitions. [2018-04-11 18:26:07,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 18:26:07,183 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2018-04-11 18:26:07,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:26:07,184 INFO L225 Difference]: With dead ends: 148 [2018-04-11 18:26:07,184 INFO L226 Difference]: Without dead ends: 148 [2018-04-11 18:26:07,185 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-11 18:26:07,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-04-11 18:26:07,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 135. [2018-04-11 18:26:07,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-04-11 18:26:07,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 143 transitions. [2018-04-11 18:26:07,191 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 143 transitions. Word has length 12 [2018-04-11 18:26:07,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:26:07,191 INFO L459 AbstractCegarLoop]: Abstraction has 135 states and 143 transitions. [2018-04-11 18:26:07,191 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 18:26:07,191 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 143 transitions. [2018-04-11 18:26:07,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-04-11 18:26:07,191 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:26:07,192 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:26:07,194 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr2RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr18RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr23RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr21RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr13RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr24RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr4RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr10RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr20RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr3RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr11RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr7RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr0RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr14RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr22RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr12RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr17RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr25RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr1RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr6RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr8RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr19RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr15RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr9RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr5RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr16RequiresViolation]=== [2018-04-11 18:26:07,194 INFO L82 PathProgramCache]: Analyzing trace with hash -643063296, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:26:07,198 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:26:07,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:26:07,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:26:07,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:26:07,270 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:26:07,270 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 18:26:07,270 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:26:07,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:26:07,271 INFO L182 omatonBuilderFactory]: Interpolants [1317#true, 1318#false, 1322#(and (= 0 |main_#t~malloc9.offset|) (= 8 (select |#length| |main_#t~malloc9.base|))), 1323#(and (<= 0 main_~list2~0.offset) (<= (+ main_~list2~0.offset 4) (select |#length| main_~list2~0.base))), 1324#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-04-11 18:26:07,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:26:07,271 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 18:26:07,271 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 18:26:07,272 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 18:26:07,272 INFO L87 Difference]: Start difference. First operand 135 states and 143 transitions. Second operand 5 states. [2018-04-11 18:26:07,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:26:07,412 INFO L93 Difference]: Finished difference Result 136 states and 145 transitions. [2018-04-11 18:26:07,412 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 18:26:07,412 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2018-04-11 18:26:07,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:26:07,413 INFO L225 Difference]: With dead ends: 136 [2018-04-11 18:26:07,413 INFO L226 Difference]: Without dead ends: 136 [2018-04-11 18:26:07,413 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-11 18:26:07,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-04-11 18:26:07,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 134. [2018-04-11 18:26:07,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-04-11 18:26:07,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 142 transitions. [2018-04-11 18:26:07,416 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 142 transitions. Word has length 12 [2018-04-11 18:26:07,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:26:07,417 INFO L459 AbstractCegarLoop]: Abstraction has 134 states and 142 transitions. [2018-04-11 18:26:07,417 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 18:26:07,417 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 142 transitions. [2018-04-11 18:26:07,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-11 18:26:07,417 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:26:07,417 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:26:07,417 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr2RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr18RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr23RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr21RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr13RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr24RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr4RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr10RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr20RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr3RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr11RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr7RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr0RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr14RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr22RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr12RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr17RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr25RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr1RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr6RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr8RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr19RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr15RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr9RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr5RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr16RequiresViolation]=== [2018-04-11 18:26:07,417 INFO L82 PathProgramCache]: Analyzing trace with hash 1539874318, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:26:07,420 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:26:07,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:26:07,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:26:07,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:26:07,465 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:26:07,465 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 18:26:07,465 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:26:07,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:26:07,465 INFO L182 omatonBuilderFactory]: Interpolants [1602#(and (= 0 |main_#t~malloc9.offset|) (= 8 (select |#length| |main_#t~malloc9.base|))), 1603#(and (<= 0 (+ main_~list2~0.offset 4)) (<= (+ main_~list2~0.offset 8) (select |#length| main_~list2~0.base))), 1604#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 1597#true, 1598#false] [2018-04-11 18:26:07,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:26:07,465 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 18:26:07,466 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 18:26:07,466 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 18:26:07,466 INFO L87 Difference]: Start difference. First operand 134 states and 142 transitions. Second operand 5 states. [2018-04-11 18:26:07,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:26:07,582 INFO L93 Difference]: Finished difference Result 135 states and 144 transitions. [2018-04-11 18:26:07,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 18:26:07,583 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2018-04-11 18:26:07,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:26:07,583 INFO L225 Difference]: With dead ends: 135 [2018-04-11 18:26:07,584 INFO L226 Difference]: Without dead ends: 135 [2018-04-11 18:26:07,584 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-11 18:26:07,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-04-11 18:26:07,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 133. [2018-04-11 18:26:07,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-04-11 18:26:07,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 141 transitions. [2018-04-11 18:26:07,589 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 141 transitions. Word has length 13 [2018-04-11 18:26:07,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:26:07,589 INFO L459 AbstractCegarLoop]: Abstraction has 133 states and 141 transitions. [2018-04-11 18:26:07,589 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 18:26:07,589 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 141 transitions. [2018-04-11 18:26:07,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-11 18:26:07,589 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:26:07,590 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:26:07,590 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr2RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr18RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr23RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr21RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr13RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr24RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr4RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr10RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr20RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr3RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr11RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr7RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr0RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr14RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr22RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr12RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr17RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr25RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr1RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr6RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr8RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr19RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr15RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr9RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr5RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr16RequiresViolation]=== [2018-04-11 18:26:07,590 INFO L82 PathProgramCache]: Analyzing trace with hash -1451976942, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:26:07,596 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:26:07,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:26:07,604 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-04-11 18:26:07,606 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:07,606 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:07,606 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:07,607 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:07,610 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |c_#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)) is different from true [2018-04-11 18:26:07,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:26:07,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:26:07,638 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:26:07,638 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 18:26:07,638 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:26:07,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:26:07,639 INFO L182 omatonBuilderFactory]: Interpolants [1875#true, 1876#false, 1880#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)), 1881#(= 1 (select |#valid| |__U_MULTI_flength_test___false_valid_memtrack_i__append_#t~malloc2.base|)), 1882#(= 1 (select |#valid| __U_MULTI_flength_test___false_valid_memtrack_i__append_~node~0.base)), 1883#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-04-11 18:26:07,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:26:07,639 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 18:26:07,639 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 18:26:07,639 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-04-11 18:26:07,639 INFO L87 Difference]: Start difference. First operand 133 states and 141 transitions. Second operand 6 states. [2018-04-11 18:26:07,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:26:07,776 INFO L93 Difference]: Finished difference Result 174 states and 183 transitions. [2018-04-11 18:26:07,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-11 18:26:07,776 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2018-04-11 18:26:07,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:26:07,777 INFO L225 Difference]: With dead ends: 174 [2018-04-11 18:26:07,777 INFO L226 Difference]: Without dead ends: 174 [2018-04-11 18:26:07,777 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=28, Unknown=2, NotChecked=10, Total=56 [2018-04-11 18:26:07,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2018-04-11 18:26:07,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 153. [2018-04-11 18:26:07,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2018-04-11 18:26:07,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 183 transitions. [2018-04-11 18:26:07,783 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 183 transitions. Word has length 20 [2018-04-11 18:26:07,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:26:07,783 INFO L459 AbstractCegarLoop]: Abstraction has 153 states and 183 transitions. [2018-04-11 18:26:07,783 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 18:26:07,783 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 183 transitions. [2018-04-11 18:26:07,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-11 18:26:07,783 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:26:07,783 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:26:07,783 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr2RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr18RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr23RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr21RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr13RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr24RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr4RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr10RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr20RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr3RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr11RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr7RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr0RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr14RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr22RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr12RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr17RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr25RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr1RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr6RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr8RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr19RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr15RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr9RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr5RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr16RequiresViolation]=== [2018-04-11 18:26:07,783 INFO L82 PathProgramCache]: Analyzing trace with hash -1451976941, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:26:07,786 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:26:07,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:26:07,794 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-04-11 18:26:07,795 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:07,795 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:07,795 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:07,795 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:07,798 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |c_#length| %1 9) (store %0 %1 9)) :qid itp)) :qid itp)) is different from true [2018-04-11 18:26:07,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:26:07,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:26:07,829 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:26:07,829 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 18:26:07,830 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:26:07,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:26:07,830 INFO L182 omatonBuilderFactory]: Interpolants [2215#true, 2216#false, 2220#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#length| %1 9) (store %0 %1 9)) :qid itp)) :qid itp)), 2221#(and (= 0 |__U_MULTI_flength_test___false_valid_memtrack_i__append_#t~malloc2.offset|) (= 9 (select |#length| |__U_MULTI_flength_test___false_valid_memtrack_i__append_#t~malloc2.base|))), 2222#(and (<= (+ __U_MULTI_flength_test___false_valid_memtrack_i__append_~node~0.offset 1) (select |#length| __U_MULTI_flength_test___false_valid_memtrack_i__append_~node~0.base)) (<= 0 __U_MULTI_flength_test___false_valid_memtrack_i__append_~node~0.offset)), 2223#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-04-11 18:26:07,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:26:07,830 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 18:26:07,830 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 18:26:07,830 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-04-11 18:26:07,830 INFO L87 Difference]: Start difference. First operand 153 states and 183 transitions. Second operand 6 states. [2018-04-11 18:26:08,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:26:08,006 INFO L93 Difference]: Finished difference Result 173 states and 182 transitions. [2018-04-11 18:26:08,007 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-11 18:26:08,007 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2018-04-11 18:26:08,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:26:08,008 INFO L225 Difference]: With dead ends: 173 [2018-04-11 18:26:08,008 INFO L226 Difference]: Without dead ends: 173 [2018-04-11 18:26:08,008 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=28, Unknown=2, NotChecked=10, Total=56 [2018-04-11 18:26:08,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2018-04-11 18:26:08,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 153. [2018-04-11 18:26:08,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2018-04-11 18:26:08,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 182 transitions. [2018-04-11 18:26:08,012 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 182 transitions. Word has length 20 [2018-04-11 18:26:08,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:26:08,013 INFO L459 AbstractCegarLoop]: Abstraction has 153 states and 182 transitions. [2018-04-11 18:26:08,013 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 18:26:08,013 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 182 transitions. [2018-04-11 18:26:08,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-04-11 18:26:08,013 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:26:08,013 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] [2018-04-11 18:26:08,013 INFO L408 AbstractCegarLoop]: === Iteration 9 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr2RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr18RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr23RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr21RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr13RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr24RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr4RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr10RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr20RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr3RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr11RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr7RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr0RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr14RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr22RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr12RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr17RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr25RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr1RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr6RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr8RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr19RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr15RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr9RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr5RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr16RequiresViolation]=== [2018-04-11 18:26:08,014 INFO L82 PathProgramCache]: Analyzing trace with hash -2061612264, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:26:08,025 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:26:08,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:26:08,068 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier WARNING: array quantifier [2018-04-11 18:26:08,074 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:08,074 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:08,075 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:08,075 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:08,075 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:08,075 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:08,154 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 31 [2018-04-11 18:26:08,155 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 18:26:08,156 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2018-04-11 18:26:08,157 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 18:26:08,159 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2018-04-11 18:26:08,159 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-11 18:26:08,161 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 29 [2018-04-11 18:26:08,162 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 18:26:08,163 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-04-11 18:26:08,163 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-11 18:26:08,166 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2018-04-11 18:26:08,166 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-11 18:26:08,220 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-04-11 18:26:08,220 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-11 18:26:08,233 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 17 [2018-04-11 18:26:08,234 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-11 18:26:08,238 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 18:26:08,239 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 3 variables, input treesize:97, output treesize:8 [2018-04-11 18:26:08,244 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:08,244 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:08,244 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:08,245 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:08,245 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:08,245 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:08,309 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2018-04-11 18:26:08,310 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 18:26:08,312 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2018-04-11 18:26:08,312 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 18:26:08,314 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-04-11 18:26:08,315 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-11 18:26:08,339 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 17 [2018-04-11 18:26:08,339 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 18:26:08,344 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 18:26:08,344 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:97, output treesize:8 [2018-04-11 18:26:08,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:26:08,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:26:08,389 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:26:08,389 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-11 18:26:08,389 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:26:08,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:26:08,389 INFO L182 omatonBuilderFactory]: Interpolants [2560#(forall ((%1 Int)) (= (select (store |#valid| %1 1) |__U_MULTI_flength_test___false_valid_memtrack_i__append_#in~head.base|) 1)), 2561#(forall ((v_prenex_5 Int)) (= 1 (select (store |#valid| v_prenex_5 1) __U_MULTI_flength_test___false_valid_memtrack_i__append_~head.base))), 2562#(or (= (select |#valid| __U_MULTI_flength_test___false_valid_memtrack_i__append_~head.base) 1) (not (= (select |#valid| |__U_MULTI_flength_test___false_valid_memtrack_i__append_#t~malloc2.base|) 1))), 2563#(or (= (select |#valid| __U_MULTI_flength_test___false_valid_memtrack_i__append_~head.base) 1) (not (= (select |#valid| __U_MULTI_flength_test___false_valid_memtrack_i__append_~node~0.base) 1))), 2564#(= 1 (select |#valid| __U_MULTI_flength_test___false_valid_memtrack_i__append_~head.base)), 2565#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 2554#true, 2555#false, 2559#(= 1 (select |#valid| main_~list~0.base))] [2018-04-11 18:26:08,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:26:08,390 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-11 18:26:08,390 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-11 18:26:08,390 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-04-11 18:26:08,390 INFO L87 Difference]: Start difference. First operand 153 states and 182 transitions. Second operand 9 states. [2018-04-11 18:26:08,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:26:08,733 INFO L93 Difference]: Finished difference Result 200 states and 213 transitions. [2018-04-11 18:26:08,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-11 18:26:08,733 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2018-04-11 18:26:08,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:26:08,734 INFO L225 Difference]: With dead ends: 200 [2018-04-11 18:26:08,734 INFO L226 Difference]: Without dead ends: 200 [2018-04-11 18:26:08,735 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2018-04-11 18:26:08,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2018-04-11 18:26:08,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 150. [2018-04-11 18:26:08,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-04-11 18:26:08,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 174 transitions. [2018-04-11 18:26:08,739 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 174 transitions. Word has length 21 [2018-04-11 18:26:08,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:26:08,739 INFO L459 AbstractCegarLoop]: Abstraction has 150 states and 174 transitions. [2018-04-11 18:26:08,739 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-11 18:26:08,739 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 174 transitions. [2018-04-11 18:26:08,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-04-11 18:26:08,740 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:26:08,740 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] [2018-04-11 18:26:08,740 INFO L408 AbstractCegarLoop]: === Iteration 10 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr2RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr18RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr23RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr21RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr13RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr24RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr4RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr10RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr20RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr3RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr11RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr7RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr0RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr14RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr22RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr12RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr17RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr25RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr1RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr6RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr8RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr19RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr15RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr9RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr5RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr16RequiresViolation]=== [2018-04-11 18:26:08,740 INFO L82 PathProgramCache]: Analyzing trace with hash -2061612263, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:26:08,743 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:26:08,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:26:08,767 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: Unsupported proof rule: (let ((a!1 (= (+ 0 (* (- 1) (select |#length_17| |main_#t~malloc8.base_5|))) (* (- 1) (select |#length_17| |main_#t~malloc8.base_5|))))) (rewrite a!1)) [2018-04-11 18:26:08,768 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 125 column 394: theory not supported by interpolation or bad proof at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1420) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:630) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:206) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseInterpolants(Executor.java:255) at de.uni_freiburg.informatik.ultimate.smtsolver.external.ScriptorWithGetInterpolants.readInterpolants(ScriptorWithGetInterpolants.java:136) at de.uni_freiburg.informatik.ultimate.smtsolver.external.ScriptorWithGetInterpolants.getInterpolants(ScriptorWithGetInterpolants.java:64) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.DiffWrapperScript.getInterpolants(DiffWrapperScript.java:260) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.getInterpolants(ManagedScript.java:186) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:283) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:164) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:298) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructCraig(TraceCheckConstructor.java:222) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.FixedRefinementStrategy.getTraceCheck(FixedRefinementStrategy.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:231) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:205) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:408) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:417) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:363) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:118) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:119) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-04-11 18:26:08,771 INFO L168 Benchmark]: Toolchain (without parser) took 3814.56 ms. Allocated memory was 403.7 MB in the beginning and 641.7 MB in the end (delta: 238.0 MB). Free memory was 337.8 MB in the beginning and 556.1 MB in the end (delta: -218.3 MB). Peak memory consumption was 19.7 MB. Max. memory is 5.3 GB. [2018-04-11 18:26:08,772 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 403.7 MB. Free memory is still 363.5 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 18:26:08,772 INFO L168 Benchmark]: CACSL2BoogieTranslator took 233.88 ms. Allocated memory is still 403.7 MB. Free memory was 336.4 MB in the beginning and 309.9 MB in the end (delta: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 5.3 GB. [2018-04-11 18:26:08,772 INFO L168 Benchmark]: Boogie Preprocessor took 40.62 ms. Allocated memory is still 403.7 MB. Free memory was 309.9 MB in the beginning and 307.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-11 18:26:08,773 INFO L168 Benchmark]: RCFGBuilder took 485.20 ms. Allocated memory was 403.7 MB in the beginning and 590.9 MB in the end (delta: 187.2 MB). Free memory was 307.3 MB in the beginning and 509.7 MB in the end (delta: -202.4 MB). Peak memory consumption was 25.1 MB. Max. memory is 5.3 GB. [2018-04-11 18:26:08,773 INFO L168 Benchmark]: TraceAbstraction took 3052.00 ms. Allocated memory was 590.9 MB in the beginning and 641.7 MB in the end (delta: 50.9 MB). Free memory was 508.3 MB in the beginning and 556.1 MB in the end (delta: -47.8 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. [2018-04-11 18:26:08,775 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 403.7 MB. Free memory is still 363.5 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 233.88 ms. Allocated memory is still 403.7 MB. Free memory was 336.4 MB in the beginning and 309.9 MB in the end (delta: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 40.62 ms. Allocated memory is still 403.7 MB. Free memory was 309.9 MB in the beginning and 307.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 485.20 ms. Allocated memory was 403.7 MB in the beginning and 590.9 MB in the end (delta: 187.2 MB). Free memory was 307.3 MB in the beginning and 509.7 MB in the end (delta: -202.4 MB). Peak memory consumption was 25.1 MB. Max. memory is 5.3 GB. * TraceAbstraction took 3052.00 ms. Allocated memory was 590.9 MB in the beginning and 641.7 MB in the end (delta: 50.9 MB). Free memory was 508.3 MB in the beginning and 556.1 MB in the end (delta: -47.8 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: line 125 column 394: theory not supported by interpolation or bad proof de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 125 column 394: theory not supported by interpolation or bad proof: de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1420) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/length_test03_false-valid-memtrack.i_svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-11_18-26-08-782.csv Received shutdown request...