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/array-memsafety/count_down_unsafe_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-11 18:03:59,800 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 18:03:59,801 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 18:03:59,812 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 18:03:59,812 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 18:03:59,813 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 18:03:59,814 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 18:03:59,816 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 18:03:59,818 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 18:03:59,818 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 18:03:59,819 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 18:03:59,819 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 18:03:59,820 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 18:03:59,821 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 18:03:59,822 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 18:03:59,823 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 18:03:59,825 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 18:03:59,826 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 18:03:59,827 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 18:03:59,828 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 18:03:59,830 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-11 18:03:59,830 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-11 18:03:59,830 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-11 18:03:59,831 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-11 18:03:59,832 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-11 18:03:59,833 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-11 18:03:59,833 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-11 18:03:59,834 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-11 18:03:59,834 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-11 18:03:59,835 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-11 18:03:59,835 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-11 18:03:59,835 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 18:03:59,855 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 18:03:59,855 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 18:03:59,856 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-11 18:03:59,856 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-11 18:03:59,856 INFO L133 SettingsManager]: * Use SBE=true [2018-04-11 18:03:59,857 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 18:03:59,857 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 18:03:59,857 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 18:03:59,857 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 18:03:59,857 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 18:03:59,857 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 18:03:59,857 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 18:03:59,858 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-11 18:03:59,858 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 18:03:59,858 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 18:03:59,858 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 18:03:59,858 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-11 18:03:59,858 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-11 18:03:59,859 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 18:03:59,859 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 18:03:59,859 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 18:03:59,859 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-04-11 18:03:59,859 INFO L133 SettingsManager]: * SMT solver=External_Z3InterpolationMode [2018-04-11 18:03:59,859 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 18:03:59,888 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 18:03:59,900 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 18:03:59,903 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 18:03:59,906 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 18:03:59,906 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 18:03:59,907 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,217 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGbe254dad7 [2018-04-11 18:04:00,349 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 18:04:00,349 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 18:04:00,350 INFO L168 CDTParser]: Scanning count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,357 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 18:04:00,357 INFO L215 ultiparseSymbolTable]: [2018-04-11 18:04:00,358 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 18:04:00,358 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____bswap_64 ('__bswap_64') in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,358 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____bswap_32 ('__bswap_32') in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,358 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,358 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 18:04:00,358 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____time_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,358 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____timer_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,358 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____mode_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,358 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____fsfilcnt_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,358 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____ssize_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,359 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__key_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,359 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__pthread_mutexattr_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,359 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____socklen_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,359 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____int32_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,359 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____intptr_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,359 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__size_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,359 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____nlink_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,359 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__div_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,359 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__u_short in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,359 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__mode_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,360 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__timer_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,360 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__caddr_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,360 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__pid_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,360 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__int32_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,360 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__fd_set in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,360 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____u_short in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,360 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__fsfilcnt_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,360 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____uint64_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,360 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____blkcnt64_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,360 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____fsword_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,361 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____uid_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,361 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__gid_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,361 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__ssize_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,361 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____off64_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,361 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____sig_atomic_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,361 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__pthread_attr_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,361 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__blksize_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,361 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__int16_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,361 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__lldiv_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,361 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__u_int32_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,362 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__uid_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,362 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____id_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,362 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____uint32_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,362 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____syscall_ulong_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,362 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__u_int8_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,362 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__blkcnt_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,362 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____fd_mask in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,362 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__u_char in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,362 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__pthread_once_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,362 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__pthread_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,362 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____suseconds_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,363 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__off_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,363 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____clockid_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,363 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__fsblkcnt_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,363 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__u_int in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,363 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____pthread_list_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,363 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__wchar_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,363 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____rlim_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,363 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____quad_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,363 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____fsblkcnt64_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,363 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____u_char in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,363 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____u_quad_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,364 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__pthread_barrier_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,364 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____pid_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,364 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____syscall_slong_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,364 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____ino64_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,364 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__u_long in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,364 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____WAIT_STATUS in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,364 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____gid_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,364 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__suseconds_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,364 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____ino_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,364 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__daddr_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,364 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__pthread_cond_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,364 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__int64_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,365 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____uint16_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,365 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____loff_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,365 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__quad_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,365 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__u_int16_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,365 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____clock_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,365 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__fsid_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,365 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____blkcnt_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,365 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__dev_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,365 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____u_long in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,365 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____int16_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,365 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__clockid_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,366 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__id_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,366 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__pthread_spinlock_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,366 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__sigset_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,366 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__clock_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,366 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____sigset_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,366 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__uint in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,366 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__fd_mask in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,366 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____off_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,366 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____fsid_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,366 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__pthread_rwlockattr_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,366 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__nlink_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,366 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__ulong in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,367 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____caddr_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,367 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__pthread_key_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,367 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____dev_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,367 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____fsblkcnt_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,367 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____qaddr_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,367 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____blksize_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,367 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__pthread_rwlock_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,367 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__pthread_condattr_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,367 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____int8_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,367 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____u_int in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,367 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____uint8_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,368 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__time_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,368 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__register_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,368 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____useconds_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,368 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__pthread_barrierattr_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,368 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____rlim64_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,368 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____daddr_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,368 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__ino_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,368 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____fsfilcnt64_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,368 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__loff_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,368 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__pthread_mutex_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,368 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__u_int64_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,368 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____int64_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,369 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__int8_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,369 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__u_quad_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,369 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__ldiv_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,369 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__ushort in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,369 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____key_t in count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:00,383 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGbe254dad7 [2018-04-11 18:04:00,386 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 18:04:00,387 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 18:04:00,388 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 18:04:00,388 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 18:04:00,391 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 18:04:00,392 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 06:04:00" (1/1) ... [2018-04-11 18:04:00,394 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63cc4906 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:04:00, skipping insertion in model container [2018-04-11 18:04:00,394 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 06:04:00" (1/1) ... [2018-04-11 18:04:00,404 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 18:04:00,425 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 18:04:00,536 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 18:04:00,567 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 18:04:00,570 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 111 non ball SCCs. Number of states in SCCs 111. [2018-04-11 18:04:00,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:04:00 WrapperNode [2018-04-11 18:04:00,602 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 18:04:00,603 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 18:04:00,603 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 18:04:00,603 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 18:04:00,611 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:04:00" (1/1) ... [2018-04-11 18:04:00,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:04:00" (1/1) ... [2018-04-11 18:04:00,619 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:04:00" (1/1) ... [2018-04-11 18:04:00,619 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:04:00" (1/1) ... [2018-04-11 18:04:00,625 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:04:00" (1/1) ... [2018-04-11 18:04:00,629 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:04:00" (1/1) ... [2018-04-11 18:04:00,630 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:04:00" (1/1) ... [2018-04-11 18:04:00,632 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 18:04:00,633 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 18:04:00,633 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 18:04:00,633 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 18:04:00,633 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:04:00" (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 18:04:00,710 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 18:04:00,710 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 18:04:00,710 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcount_down_unsafe_false_valid_deref_i____bswap_32 [2018-04-11 18:04:00,710 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcount_down_unsafe_false_valid_deref_i____bswap_64 [2018-04-11 18:04:00,710 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 18:04:00,710 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcount_down_unsafe_false_valid_deref_i____bswap_32 [2018-04-11 18:04:00,711 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcount_down_unsafe_false_valid_deref_i____bswap_64 [2018-04-11 18:04:00,711 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 18:04:00,711 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 18:04:00,711 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 18:04:00,711 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 18:04:00,711 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 18:04:00,711 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 18:04:00,711 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 18:04:00,711 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 18:04:00,711 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 18:04:00,711 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 18:04:00,712 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 18:04:00,712 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 18:04:00,712 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 18:04:00,712 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 18:04:00,712 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 18:04:00,712 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 18:04:00,712 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 18:04:00,712 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 18:04:00,712 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 18:04:00,713 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 18:04:00,713 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 18:04:00,713 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 18:04:00,713 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 18:04:00,713 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 18:04:00,713 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 18:04:00,713 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 18:04:00,713 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 18:04:00,713 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 18:04:00,714 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 18:04:00,714 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 18:04:00,714 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 18:04:00,714 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 18:04:00,714 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 18:04:00,714 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 18:04:00,714 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 18:04:00,714 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 18:04:00,714 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 18:04:00,714 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 18:04:00,715 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 18:04:00,715 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 18:04:00,715 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 18:04:00,715 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 18:04:00,715 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 18:04:00,715 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 18:04:00,715 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 18:04:00,715 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 18:04:00,715 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 18:04:00,716 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 18:04:00,716 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 18:04:00,716 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 18:04:00,716 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 18:04:00,716 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 18:04:00,716 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 18:04:00,716 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 18:04:00,716 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 18:04:00,716 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 18:04:00,716 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 18:04:00,717 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 18:04:00,717 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 18:04:00,717 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 18:04:00,717 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 18:04:00,717 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-11 18:04:00,717 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 18:04:00,717 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 18:04:00,717 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 18:04:00,717 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 18:04:00,717 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 18:04:00,718 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 18:04:00,718 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 18:04:00,718 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 18:04:00,718 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 18:04:00,718 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 18:04:00,718 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 18:04:00,718 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 18:04:00,718 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 18:04:00,718 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 18:04:00,718 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 18:04:00,719 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 18:04:00,719 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 18:04:00,719 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 18:04:00,719 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 18:04:00,719 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 18:04:00,719 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 18:04:00,719 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 18:04:00,719 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 18:04:00,719 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 18:04:00,719 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 18:04:00,720 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 18:04:00,720 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 18:04:00,720 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 18:04:00,720 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 18:04:00,720 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 18:04:00,720 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 18:04:00,720 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 18:04:00,720 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 18:04:00,720 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 18:04:00,720 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 18:04:00,721 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 18:04:00,721 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 18:04:00,721 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 18:04:00,721 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-11 18:04:00,721 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 18:04:00,721 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 18:04:00,721 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 18:04:00,721 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-11 18:04:00,721 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-11 18:04:00,721 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 18:04:00,722 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 18:04:00,722 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-11 18:04:01,002 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 18:04:01,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 06:04:01 BoogieIcfgContainer [2018-04-11 18:04:01,002 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 18:04:01,003 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 18:04:01,003 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 18:04:01,005 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 18:04:01,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 06:04:00" (1/3) ... [2018-04-11 18:04:01,005 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28efdff4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 06:04:01, skipping insertion in model container [2018-04-11 18:04:01,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:04:00" (2/3) ... [2018-04-11 18:04:01,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28efdff4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 06:04:01, skipping insertion in model container [2018-04-11 18:04:01,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 06:04:01" (3/3) ... [2018-04-11 18:04:01,007 INFO L107 eAbstractionObserver]: Analyzing ICFG count_down_unsafe_false-valid-deref.i [2018-04-11 18:04:01,013 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-04-11 18:04:01,019 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2018-04-11 18:04:01,045 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 18:04:01,046 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 18:04:01,046 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-11 18:04:01,046 INFO L371 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-04-11 18:04:01,046 INFO L372 AbstractCegarLoop]: Backedges is CANONICAL [2018-04-11 18:04:01,046 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 18:04:01,046 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 18:04:01,046 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 18:04:01,046 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 18:04:01,047 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 18:04:01,055 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2018-04-11 18:04:01,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-11 18:04:01,063 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:04:01,063 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:04:01,063 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation]=== [2018-04-11 18:04:01,066 INFO L82 PathProgramCache]: Analyzing trace with hash -1798591677, 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 18:04:01,074 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:04:01,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:04:01,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:04:01,142 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 18:04:01,164 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:04:01,165 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 18:04:01,165 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:04:01,167 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 18:04:01,167 INFO L182 omatonBuilderFactory]: Interpolants [48#false, 52#(not (= 0 |main_#t~malloc3.base|)), 53#(not (= 0 main_~arr~0.base)), 54#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 47#true] [2018-04-11 18:04:01,167 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 18:04:01,168 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 18:04:01,175 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 18:04:01,175 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 18:04:01,177 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 5 states. [2018-04-11 18:04:01,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:04:01,430 INFO L93 Difference]: Finished difference Result 42 states and 46 transitions. [2018-04-11 18:04:01,430 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-11 18:04:01,431 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2018-04-11 18:04:01,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:04:01,438 INFO L225 Difference]: With dead ends: 42 [2018-04-11 18:04:01,438 INFO L226 Difference]: Without dead ends: 39 [2018-04-11 18:04:01,440 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-04-11 18:04:01,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-04-11 18:04:01,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2018-04-11 18:04:01,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-04-11 18:04:01,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 43 transitions. [2018-04-11 18:04:01,476 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 43 transitions. Word has length 13 [2018-04-11 18:04:01,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:04:01,476 INFO L459 AbstractCegarLoop]: Abstraction has 39 states and 43 transitions. [2018-04-11 18:04:01,477 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 18:04:01,477 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2018-04-11 18:04:01,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-11 18:04:01,477 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:04:01,477 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:04:01,477 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation]=== [2018-04-11 18:04:01,478 INFO L82 PathProgramCache]: Analyzing trace with hash 81190203, 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 18:04:01,486 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:04:01,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:04:01,494 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-04-11 18:04:01,496 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:04:01,496 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:04:01,497 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:04:01,497 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:04:01,519 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 18:04:01,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:04:01,542 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 18:04:01,571 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:04:01,571 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 18:04:01,571 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:04:01,571 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 18:04:01,572 INFO L182 omatonBuilderFactory]: Interpolants [145#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)), 146#(= 1 (select |#valid| |main_#t~malloc3.base|)), 147#(= 1 (select |#valid| main_~arr~0.base)), 148#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 140#true, 141#false] [2018-04-11 18:04:01,572 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 18:04:01,573 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 18:04:01,573 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 18:04:01,573 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-04-11 18:04:01,573 INFO L87 Difference]: Start difference. First operand 39 states and 43 transitions. Second operand 6 states. [2018-04-11 18:04:01,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:04:01,807 INFO L93 Difference]: Finished difference Result 75 states and 86 transitions. [2018-04-11 18:04:01,807 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-11 18:04:01,807 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2018-04-11 18:04:01,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:04:01,808 INFO L225 Difference]: With dead ends: 75 [2018-04-11 18:04:01,809 INFO L226 Difference]: Without dead ends: 75 [2018-04-11 18:04:01,809 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 18:04:01,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-04-11 18:04:01,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 49. [2018-04-11 18:04:01,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-04-11 18:04:01,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 58 transitions. [2018-04-11 18:04:01,820 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 58 transitions. Word has length 14 [2018-04-11 18:04:01,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:04:01,821 INFO L459 AbstractCegarLoop]: Abstraction has 49 states and 58 transitions. [2018-04-11 18:04:01,821 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 18:04:01,821 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 58 transitions. [2018-04-11 18:04:01,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-11 18:04:01,822 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:04:01,822 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:04:01,822 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation]=== [2018-04-11 18:04:01,822 INFO L82 PathProgramCache]: Analyzing trace with hash 81190204, 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) [2018-04-11 18:04:01,828 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:04:01,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-11 18:04:01,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-11 18:04:01,901 INFO L421 BasicCegarLoop]: Counterexample might be feasible [2018-04-11 18:04:01,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.04 06:04:01 BoogieIcfgContainer [2018-04-11 18:04:01,925 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-11 18:04:01,926 INFO L168 Benchmark]: Toolchain (without parser) took 1539.36 ms. Allocated memory was 395.8 MB in the beginning and 602.9 MB in the end (delta: 207.1 MB). Free memory was 327.6 MB in the beginning and 464.1 MB in the end (delta: -136.5 MB). Peak memory consumption was 70.6 MB. Max. memory is 5.3 GB. [2018-04-11 18:04:01,927 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 395.8 MB. Free memory is still 355.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 18:04:01,927 INFO L168 Benchmark]: CACSL2BoogieTranslator took 214.84 ms. Allocated memory is still 395.8 MB. Free memory was 327.6 MB in the beginning and 303.2 MB in the end (delta: 24.5 MB). Peak memory consumption was 24.5 MB. Max. memory is 5.3 GB. [2018-04-11 18:04:01,928 INFO L168 Benchmark]: Boogie Preprocessor took 29.54 ms. Allocated memory is still 395.8 MB. Free memory was 303.2 MB in the beginning and 300.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-11 18:04:01,928 INFO L168 Benchmark]: RCFGBuilder took 369.68 ms. Allocated memory was 395.8 MB in the beginning and 602.9 MB in the end (delta: 207.1 MB). Free memory was 300.5 MB in the beginning and 538.9 MB in the end (delta: -238.4 MB). Peak memory consumption was 22.9 MB. Max. memory is 5.3 GB. [2018-04-11 18:04:01,929 INFO L168 Benchmark]: TraceAbstraction took 922.57 ms. Allocated memory is still 602.9 MB. Free memory was 538.9 MB in the beginning and 464.1 MB in the end (delta: 74.8 MB). Peak memory consumption was 74.8 MB. Max. memory is 5.3 GB. [2018-04-11 18:04:01,937 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 395.8 MB. Free memory is still 355.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 214.84 ms. Allocated memory is still 395.8 MB. Free memory was 327.6 MB in the beginning and 303.2 MB in the end (delta: 24.5 MB). Peak memory consumption was 24.5 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 29.54 ms. Allocated memory is still 395.8 MB. Free memory was 303.2 MB in the beginning and 300.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 369.68 ms. Allocated memory was 395.8 MB in the beginning and 602.9 MB in the end (delta: 207.1 MB). Free memory was 300.5 MB in the beginning and 538.9 MB in the end (delta: -238.4 MB). Peak memory consumption was 22.9 MB. Max. memory is 5.3 GB. * TraceAbstraction took 922.57 ms. Allocated memory is still 602.9 MB. Free memory was 538.9 MB in the beginning and 464.1 MB in the end (delta: 74.8 MB). Peak memory consumption was 74.8 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 552]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L541] int i, j; [L542] int val; [L543] int length = __VERIFIER_nondet_int(); [L544] COND TRUE length < 1 [L544] length = 1 VAL [length=1] [L545] EXPR, FCALL __builtin_alloca (length) VAL [__builtin_alloca (length)={5:0}, length=1] [L545] int *arr = __builtin_alloca (length); VAL [__builtin_alloca (length)={5:0}, arr={5:0}, length=1] [L546] COND FALSE !(!arr) [L547] i=0 VAL [__builtin_alloca (length)={5:0}, arr={5:0}, i=0, length=1] [L547] COND TRUE i