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_Camel.epf -i ../../../trunk/examples/svcomp/list-ext-properties/list-ext_flag_false-unreach-call_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-11 22:38:48,800 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 22:38:48,802 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 22:38:48,813 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 22:38:48,814 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 22:38:48,814 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 22:38:48,815 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 22:38:48,817 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 22:38:48,818 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 22:38:48,819 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 22:38:48,820 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 22:38:48,820 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 22:38:48,820 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 22:38:48,821 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 22:38:48,822 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 22:38:48,824 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 22:38:48,825 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 22:38:48,826 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 22:38:48,827 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 22:38:48,828 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 22:38:48,830 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-11 22:38:48,830 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-11 22:38:48,830 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-11 22:38:48,831 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-11 22:38:48,832 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-11 22:38:48,833 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-11 22:38:48,833 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-11 22:38:48,834 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-11 22:38:48,834 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-11 22:38:48,834 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-11 22:38:48,835 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-11 22:38:48,835 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf [2018-04-11 22:38:48,858 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 22:38:48,858 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 22:38:48,859 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-11 22:38:48,860 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-11 22:38:48,860 INFO L133 SettingsManager]: * Use SBE=true [2018-04-11 22:38:48,860 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 22:38:48,860 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 22:38:48,860 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 22:38:48,860 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 22:38:48,860 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 22:38:48,860 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 22:38:48,860 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 22:38:48,861 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-11 22:38:48,861 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 22:38:48,861 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 22:38:48,861 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 22:38:48,861 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-11 22:38:48,861 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-11 22:38:48,861 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 22:38:48,861 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 22:38:48,861 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 22:38:48,862 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-11 22:38:48,862 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-11 22:38:48,862 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-11 22:38:48,890 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 22:38:48,897 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 22:38:48,900 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 22:38:48,901 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 22:38:48,901 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 22:38:48,901 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext-properties/list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,215 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG604df1c5e [2018-04-11 22:38:49,343 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 22:38:49,343 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 22:38:49,343 INFO L168 CDTParser]: Scanning list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,350 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 22:38:49,350 INFO L215 ultiparseSymbolTable]: [2018-04-11 22:38:49,351 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 22:38:49,351 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__exit ('exit') in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,351 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,351 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 22:38:49,351 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__List in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,351 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i____rlim64_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,351 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i____int32_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,351 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__div_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,351 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__fd_set in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,351 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i____uint32_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,352 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__fsblkcnt_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,352 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i____rlim_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,352 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i____id_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,352 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i____dev_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,352 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i____fsblkcnt_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,352 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__mode_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,352 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__int16_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,352 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__lldiv_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,352 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__key_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,352 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__uid_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,352 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__pthread_key_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,352 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__time_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,353 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__pthread_rwlock_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,353 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__pthread_mutexattr_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,353 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__u_quad_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,353 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i____fsfilcnt_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,353 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__pthread_mutex_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,353 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i____blksize_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,353 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i____timer_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,353 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__u_int in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,353 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i____qaddr_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,353 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__u_int64_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,353 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i____u_char in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,353 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i____off64_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,353 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i____suseconds_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,353 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i____time_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,354 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__int8_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,354 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__off_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,354 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__gid_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,354 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i____u_long in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,354 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__pid_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,354 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i____int16_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,354 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i____pthread_list_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,354 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i____socklen_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,354 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__clock_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,354 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__u_char in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,355 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__daddr_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,355 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i____int8_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,355 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__blkcnt_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,355 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i____ino_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,355 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__size_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,355 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__suseconds_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,355 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i____u_short in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,355 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i____intptr_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,355 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__u_long in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,355 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i____caddr_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,355 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__pthread_once_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,356 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i____fsid_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,356 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__caddr_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,356 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i____mode_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,356 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__blksize_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,356 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__ulong in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,356 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i____sigset_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,356 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__u_short in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,356 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__dev_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,356 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i____u_int in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,356 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i____uint8_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,356 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__u_int8_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,357 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i____key_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,357 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i____clock_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,357 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i____useconds_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,357 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__id_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,357 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__pthread_spinlock_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,357 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__wchar_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,357 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__pthread_condattr_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,357 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__fsid_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,357 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__pthread_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,357 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__quad_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,357 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i____fd_mask in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,357 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i____blkcnt_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,358 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__u_int16_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,358 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__pthread_cond_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,358 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i____loff_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,358 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i____clockid_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,358 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__clockid_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,358 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i____pid_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,358 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i____u_quad_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,358 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__pthread_attr_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,358 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__ushort in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,358 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__int64_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,358 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i____gid_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,358 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__pthread_barrier_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,359 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i____WAIT_STATUS in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,359 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i____swblk_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,359 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i____uint16_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,359 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i____int64_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,359 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i____daddr_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,359 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__loff_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,359 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i____quad_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,359 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i____fsblkcnt64_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,359 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__ldiv_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,359 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i____nlink_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,359 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i____fsfilcnt64_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,359 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i____blkcnt64_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,359 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__pthread_rwlockattr_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,359 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__ino_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,359 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__pthread_barrierattr_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,359 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__timer_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,359 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i____ssize_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,359 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__int32_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,359 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__register_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,359 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__u_int32_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,359 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i____sig_atomic_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,360 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i____uid_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,360 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__ssize_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,360 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__fd_mask in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,360 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i____uint64_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,360 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i____off_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,360 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__nlink_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,360 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__sigset_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,360 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__fsfilcnt_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,360 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__uint in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,360 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i____ino64_t in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:49,372 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG604df1c5e [2018-04-11 22:38:49,375 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 22:38:49,377 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 22:38:49,377 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 22:38:49,377 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 22:38:49,381 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 22:38:49,382 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 10:38:49" (1/1) ... [2018-04-11 22:38:49,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64e7d49f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:38:49, skipping insertion in model container [2018-04-11 22:38:49,383 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 10:38:49" (1/1) ... [2018-04-11 22:38:49,393 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 22:38:49,412 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 22:38:49,523 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 22:38:49,558 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 22:38:49,564 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 113 non ball SCCs. Number of states in SCCs 113. [2018-04-11 22:38:49,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:38:49 WrapperNode [2018-04-11 22:38:49,592 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 22:38:49,593 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 22:38:49,593 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 22:38:49,593 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 22:38:49,600 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:38:49" (1/1) ... [2018-04-11 22:38:49,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:38:49" (1/1) ... [2018-04-11 22:38:49,610 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:38:49" (1/1) ... [2018-04-11 22:38:49,611 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:38:49" (1/1) ... [2018-04-11 22:38:49,619 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:38:49" (1/1) ... [2018-04-11 22:38:49,623 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:38:49" (1/1) ... [2018-04-11 22:38:49,625 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:38:49" (1/1) ... [2018-04-11 22:38:49,629 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 22:38:49,629 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 22:38:49,629 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 22:38:49,629 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 22:38:49,630 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:38:49" (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 22:38:49,715 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 22:38:49,715 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 22:38:49,715 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__exit [2018-04-11 22:38:49,716 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 22:38:49,716 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-11 22:38:49,716 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-11 22:38:49,716 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 22:38:49,716 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 22:38:49,716 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 22:38:49,716 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 22:38:49,716 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 22:38:49,716 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 22:38:49,716 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 22:38:49,717 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 22:38:49,717 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 22:38:49,717 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 22:38:49,717 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 22:38:49,717 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 22:38:49,717 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 22:38:49,717 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 22:38:49,717 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 22:38:49,717 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 22:38:49,717 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 22:38:49,717 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 22:38:49,718 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 22:38:49,718 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 22:38:49,718 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 22:38:49,718 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 22:38:49,718 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 22:38:49,718 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 22:38:49,718 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 22:38:49,718 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 22:38:49,718 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 22:38:49,718 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 22:38:49,718 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 22:38:49,719 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 22:38:49,719 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 22:38:49,719 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 22:38:49,719 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 22:38:49,719 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 22:38:49,719 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 22:38:49,719 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 22:38:49,719 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 22:38:49,719 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 22:38:49,719 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 22:38:49,720 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 22:38:49,720 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 22:38:49,720 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 22:38:49,720 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 22:38:49,720 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 22:38:49,720 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 22:38:49,720 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 22:38:49,720 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 22:38:49,720 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 22:38:49,720 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 22:38:49,721 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 22:38:49,721 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 22:38:49,721 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 22:38:49,721 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 22:38:49,721 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 22:38:49,721 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 22:38:49,721 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 22:38:49,721 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 22:38:49,721 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 22:38:49,722 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 22:38:49,722 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 22:38:49,722 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 22:38:49,722 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__exit [2018-04-11 22:38:49,722 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 22:38:49,722 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 22:38:49,722 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-04-11 22:38:49,722 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 22:38:49,722 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 22:38:49,722 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 22:38:49,722 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 22:38:49,722 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 22:38:49,722 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 22:38:49,722 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 22:38:49,723 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 22:38:49,723 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 22:38:49,723 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 22:38:49,723 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 22:38:49,723 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 22:38:49,723 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 22:38:49,723 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 22:38:49,723 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 22:38:49,723 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 22:38:49,723 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 22:38:49,723 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 22:38:49,723 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 22:38:49,723 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 22:38:49,723 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 22:38:49,723 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 22:38:49,723 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 22:38:49,724 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 22:38:49,724 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 22:38:49,724 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 22:38:49,724 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 22:38:49,724 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 22:38:49,724 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 22:38:49,724 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 22:38:49,724 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 22:38:49,724 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 22:38:49,724 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 22:38:49,724 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 22:38:49,725 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 22:38:49,725 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 22:38:49,725 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 22:38:49,725 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 22:38:49,725 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-11 22:38:49,725 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-11 22:38:49,725 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-11 22:38:49,725 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-11 22:38:49,725 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 22:38:49,725 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 22:38:49,725 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 22:38:49,725 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-11 22:38:50,040 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 22:38:50,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 10:38:50 BoogieIcfgContainer [2018-04-11 22:38:50,040 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 22:38:50,041 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 22:38:50,041 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 22:38:50,043 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 22:38:50,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 10:38:49" (1/3) ... [2018-04-11 22:38:50,044 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63850272 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 10:38:50, skipping insertion in model container [2018-04-11 22:38:50,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:38:49" (2/3) ... [2018-04-11 22:38:50,044 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63850272 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 10:38:50, skipping insertion in model container [2018-04-11 22:38:50,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 10:38:50" (3/3) ... [2018-04-11 22:38:50,046 INFO L107 eAbstractionObserver]: Analyzing ICFG list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-11 22:38:50,053 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-11 22:38:50,059 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 35 error locations. [2018-04-11 22:38:50,088 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 22:38:50,088 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 22:38:50,088 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-11 22:38:50,088 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-11 22:38:50,088 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-11 22:38:50,089 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 22:38:50,089 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 22:38:50,089 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 22:38:50,089 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 22:38:50,089 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 22:38:50,097 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states. [2018-04-11 22:38:50,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-04-11 22:38:50,102 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 22:38:50,103 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 22:38:50,103 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr34EnsuresViolationMEMORY_LEAK, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr32AssertViolationMEMORY_FREE]=== [2018-04-11 22:38:50,105 INFO L82 PathProgramCache]: Analyzing trace with hash 1176703712, now seen corresponding path program 1 times [2018-04-11 22:38:50,106 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 22:38:50,106 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 22:38:50,137 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 22:38:50,138 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 22:38:50,138 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 22:38:50,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 22:38:50,162 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 22:38:50,184 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 22:38:50,186 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 22:38:50,186 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-04-11 22:38:50,187 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-04-11 22:38:50,198 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-04-11 22:38:50,198 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-04-11 22:38:50,200 INFO L87 Difference]: Start difference. First operand 98 states. Second operand 2 states. [2018-04-11 22:38:50,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 22:38:50,220 INFO L93 Difference]: Finished difference Result 98 states and 106 transitions. [2018-04-11 22:38:50,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-04-11 22:38:50,221 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2018-04-11 22:38:50,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 22:38:50,228 INFO L225 Difference]: With dead ends: 98 [2018-04-11 22:38:50,228 INFO L226 Difference]: Without dead ends: 90 [2018-04-11 22:38:50,229 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-04-11 22:38:50,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2018-04-11 22:38:50,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2018-04-11 22:38:50,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2018-04-11 22:38:50,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 95 transitions. [2018-04-11 22:38:50,255 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 95 transitions. Word has length 12 [2018-04-11 22:38:50,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 22:38:50,255 INFO L459 AbstractCegarLoop]: Abstraction has 90 states and 95 transitions. [2018-04-11 22:38:50,255 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-04-11 22:38:50,255 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 95 transitions. [2018-04-11 22:38:50,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-11 22:38:50,256 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 22:38:50,256 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 22:38:50,256 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr34EnsuresViolationMEMORY_LEAK, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr32AssertViolationMEMORY_FREE]=== [2018-04-11 22:38:50,256 INFO L82 PathProgramCache]: Analyzing trace with hash -390456068, now seen corresponding path program 1 times [2018-04-11 22:38:50,256 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 22:38:50,257 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 22:38:50,257 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 22:38:50,257 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 22:38:50,258 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 22:38:50,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 22:38:50,274 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 22:38:50,319 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 22:38:50,320 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 22:38:50,320 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 22:38:50,321 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 22:38:50,321 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 22:38:50,321 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 22:38:50,322 INFO L87 Difference]: Start difference. First operand 90 states and 95 transitions. Second operand 5 states. [2018-04-11 22:38:50,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 22:38:50,467 INFO L93 Difference]: Finished difference Result 103 states and 111 transitions. [2018-04-11 22:38:50,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 22:38:50,467 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2018-04-11 22:38:50,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 22:38:50,468 INFO L225 Difference]: With dead ends: 103 [2018-04-11 22:38:50,468 INFO L226 Difference]: Without dead ends: 103 [2018-04-11 22:38:50,468 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-11 22:38:50,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-04-11 22:38:50,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 87. [2018-04-11 22:38:50,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-04-11 22:38:50,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 98 transitions. [2018-04-11 22:38:50,472 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 98 transitions. Word has length 15 [2018-04-11 22:38:50,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 22:38:50,473 INFO L459 AbstractCegarLoop]: Abstraction has 87 states and 98 transitions. [2018-04-11 22:38:50,473 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 22:38:50,473 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 98 transitions. [2018-04-11 22:38:50,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-11 22:38:50,473 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 22:38:50,473 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 22:38:50,473 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr34EnsuresViolationMEMORY_LEAK, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr32AssertViolationMEMORY_FREE]=== [2018-04-11 22:38:50,473 INFO L82 PathProgramCache]: Analyzing trace with hash -390456067, now seen corresponding path program 1 times [2018-04-11 22:38:50,473 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 22:38:50,473 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 22:38:50,474 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 22:38:50,474 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 22:38:50,474 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 22:38:50,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 22:38:50,482 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 22:38:50,523 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 22:38:50,523 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 22:38:50,523 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 22:38:50,524 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 22:38:50,524 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 22:38:50,524 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 22:38:50,524 INFO L87 Difference]: Start difference. First operand 87 states and 98 transitions. Second operand 5 states. [2018-04-11 22:38:50,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 22:38:50,695 INFO L93 Difference]: Finished difference Result 123 states and 133 transitions. [2018-04-11 22:38:50,695 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 22:38:50,695 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2018-04-11 22:38:50,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 22:38:50,696 INFO L225 Difference]: With dead ends: 123 [2018-04-11 22:38:50,696 INFO L226 Difference]: Without dead ends: 123 [2018-04-11 22:38:50,696 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-11 22:38:50,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-04-11 22:38:50,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 111. [2018-04-11 22:38:50,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-04-11 22:38:50,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 122 transitions. [2018-04-11 22:38:50,702 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 122 transitions. Word has length 15 [2018-04-11 22:38:50,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 22:38:50,702 INFO L459 AbstractCegarLoop]: Abstraction has 111 states and 122 transitions. [2018-04-11 22:38:50,702 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 22:38:50,703 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 122 transitions. [2018-04-11 22:38:50,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-11 22:38:50,703 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 22:38:50,703 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 22:38:50,703 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr34EnsuresViolationMEMORY_LEAK, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr32AssertViolationMEMORY_FREE]=== [2018-04-11 22:38:50,704 INFO L82 PathProgramCache]: Analyzing trace with hash 1063112938, now seen corresponding path program 1 times [2018-04-11 22:38:50,704 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 22:38:50,704 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 22:38:50,705 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 22:38:50,705 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 22:38:50,705 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 22:38:50,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 22:38:50,717 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 22:38:50,767 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 22:38:50,767 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 22:38:50,768 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-11 22:38:50,768 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 22:38:50,768 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 22:38:50,768 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-11 22:38:50,768 INFO L87 Difference]: Start difference. First operand 111 states and 122 transitions. Second operand 6 states. [2018-04-11 22:38:50,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 22:38:50,911 INFO L93 Difference]: Finished difference Result 163 states and 173 transitions. [2018-04-11 22:38:50,911 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-11 22:38:50,911 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2018-04-11 22:38:50,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 22:38:50,912 INFO L225 Difference]: With dead ends: 163 [2018-04-11 22:38:50,912 INFO L226 Difference]: Without dead ends: 163 [2018-04-11 22:38:50,912 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-04-11 22:38:50,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2018-04-11 22:38:50,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 115. [2018-04-11 22:38:50,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-04-11 22:38:50,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 126 transitions. [2018-04-11 22:38:50,916 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 126 transitions. Word has length 27 [2018-04-11 22:38:50,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 22:38:50,917 INFO L459 AbstractCegarLoop]: Abstraction has 115 states and 126 transitions. [2018-04-11 22:38:50,917 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 22:38:50,917 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 126 transitions. [2018-04-11 22:38:50,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-04-11 22:38:50,917 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 22:38:50,917 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 22:38:50,917 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr34EnsuresViolationMEMORY_LEAK, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr32AssertViolationMEMORY_FREE]=== [2018-04-11 22:38:50,917 INFO L82 PathProgramCache]: Analyzing trace with hash -763817334, now seen corresponding path program 1 times [2018-04-11 22:38:50,917 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 22:38:50,918 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 22:38:50,918 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 22:38:50,918 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 22:38:50,918 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 22:38:50,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 22:38:50,932 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 22:38:50,990 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 22:38:50,990 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 22:38:50,990 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 22:38:50,990 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 22:38:50,990 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 22:38:50,991 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-11 22:38:50,991 INFO L87 Difference]: Start difference. First operand 115 states and 126 transitions. Second operand 6 states. [2018-04-11 22:38:51,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 22:38:51,124 INFO L93 Difference]: Finished difference Result 147 states and 159 transitions. [2018-04-11 22:38:51,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-11 22:38:51,124 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 29 [2018-04-11 22:38:51,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 22:38:51,125 INFO L225 Difference]: With dead ends: 147 [2018-04-11 22:38:51,125 INFO L226 Difference]: Without dead ends: 142 [2018-04-11 22:38:51,125 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2018-04-11 22:38:51,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2018-04-11 22:38:51,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 120. [2018-04-11 22:38:51,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-04-11 22:38:51,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 131 transitions. [2018-04-11 22:38:51,131 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 131 transitions. Word has length 29 [2018-04-11 22:38:51,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 22:38:51,131 INFO L459 AbstractCegarLoop]: Abstraction has 120 states and 131 transitions. [2018-04-11 22:38:51,131 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 22:38:51,131 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 131 transitions. [2018-04-11 22:38:51,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-11 22:38:51,132 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 22:38:51,132 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 22:38:51,132 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr34EnsuresViolationMEMORY_LEAK, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr32AssertViolationMEMORY_FREE]=== [2018-04-11 22:38:51,132 INFO L82 PathProgramCache]: Analyzing trace with hash 1183818934, now seen corresponding path program 1 times [2018-04-11 22:38:51,132 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 22:38:51,132 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 22:38:51,133 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 22:38:51,133 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 22:38:51,133 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 22:38:51,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 22:38:51,146 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 22:38:51,188 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 22:38:51,188 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 22:38:51,188 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-11 22:38:51,188 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-11 22:38:51,189 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-11 22:38:51,189 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-04-11 22:38:51,189 INFO L87 Difference]: Start difference. First operand 120 states and 131 transitions. Second operand 7 states. [2018-04-11 22:38:51,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 22:38:51,325 INFO L93 Difference]: Finished difference Result 125 states and 136 transitions. [2018-04-11 22:38:51,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-11 22:38:51,325 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 30 [2018-04-11 22:38:51,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 22:38:51,326 INFO L225 Difference]: With dead ends: 125 [2018-04-11 22:38:51,326 INFO L226 Difference]: Without dead ends: 125 [2018-04-11 22:38:51,326 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2018-04-11 22:38:51,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-04-11 22:38:51,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 118. [2018-04-11 22:38:51,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2018-04-11 22:38:51,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 129 transitions. [2018-04-11 22:38:51,329 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 129 transitions. Word has length 30 [2018-04-11 22:38:51,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 22:38:51,329 INFO L459 AbstractCegarLoop]: Abstraction has 118 states and 129 transitions. [2018-04-11 22:38:51,329 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-11 22:38:51,329 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 129 transitions. [2018-04-11 22:38:51,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-11 22:38:51,329 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 22:38:51,330 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 22:38:51,330 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr34EnsuresViolationMEMORY_LEAK, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr32AssertViolationMEMORY_FREE]=== [2018-04-11 22:38:51,330 INFO L82 PathProgramCache]: Analyzing trace with hash 1183818935, now seen corresponding path program 1 times [2018-04-11 22:38:51,330 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 22:38:51,330 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 22:38:51,330 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 22:38:51,330 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 22:38:51,330 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 22:38:51,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 22:38:51,339 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 22:38:51,395 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 22:38:51,395 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 22:38:51,395 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-11 22:38:51,395 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-11 22:38:51,395 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-11 22:38:51,395 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-04-11 22:38:51,396 INFO L87 Difference]: Start difference. First operand 118 states and 129 transitions. Second operand 7 states. [2018-04-11 22:38:51,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 22:38:51,563 INFO L93 Difference]: Finished difference Result 140 states and 150 transitions. [2018-04-11 22:38:51,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-11 22:38:51,563 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 30 [2018-04-11 22:38:51,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 22:38:51,564 INFO L225 Difference]: With dead ends: 140 [2018-04-11 22:38:51,564 INFO L226 Difference]: Without dead ends: 140 [2018-04-11 22:38:51,565 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2018-04-11 22:38:51,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-04-11 22:38:51,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 100. [2018-04-11 22:38:51,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-04-11 22:38:51,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 110 transitions. [2018-04-11 22:38:51,568 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 110 transitions. Word has length 30 [2018-04-11 22:38:51,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 22:38:51,568 INFO L459 AbstractCegarLoop]: Abstraction has 100 states and 110 transitions. [2018-04-11 22:38:51,568 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-11 22:38:51,568 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 110 transitions. [2018-04-11 22:38:51,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-04-11 22:38:51,569 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 22:38:51,569 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 22:38:51,569 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr34EnsuresViolationMEMORY_LEAK, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr32AssertViolationMEMORY_FREE]=== [2018-04-11 22:38:51,570 INFO L82 PathProgramCache]: Analyzing trace with hash -1396505279, now seen corresponding path program 1 times [2018-04-11 22:38:51,570 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 22:38:51,570 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 22:38:51,570 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 22:38:51,570 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 22:38:51,570 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 22:38:51,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-11 22:38:51,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-11 22:38:51,601 INFO L421 BasicCegarLoop]: Counterexample might be feasible [2018-04-11 22:38:51,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.04 10:38:51 BoogieIcfgContainer [2018-04-11 22:38:51,620 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-11 22:38:51,620 INFO L168 Benchmark]: Toolchain (without parser) took 2244.32 ms. Allocated memory was 444.6 MB in the beginning and 677.4 MB in the end (delta: 232.8 MB). Free memory was 366.4 MB in the beginning and 537.9 MB in the end (delta: -171.5 MB). Peak memory consumption was 61.3 MB. Max. memory is 5.3 GB. [2018-04-11 22:38:51,621 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 444.6 MB. Free memory is still 395.5 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 22:38:51,621 INFO L168 Benchmark]: CACSL2BoogieTranslator took 215.48 ms. Allocated memory is still 444.6 MB. Free memory was 366.4 MB in the beginning and 340.0 MB in the end (delta: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 5.3 GB. [2018-04-11 22:38:51,621 INFO L168 Benchmark]: Boogie Preprocessor took 35.91 ms. Allocated memory is still 444.6 MB. Free memory was 340.0 MB in the beginning and 334.7 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 5.3 GB. [2018-04-11 22:38:51,621 INFO L168 Benchmark]: RCFGBuilder took 411.26 ms. Allocated memory was 444.6 MB in the beginning and 472.9 MB in the end (delta: 28.3 MB). Free memory was 334.7 MB in the beginning and 390.4 MB in the end (delta: -55.7 MB). Peak memory consumption was 29.1 MB. Max. memory is 5.3 GB. [2018-04-11 22:38:51,621 INFO L168 Benchmark]: TraceAbstraction took 1578.72 ms. Allocated memory was 472.9 MB in the beginning and 677.4 MB in the end (delta: 204.5 MB). Free memory was 390.4 MB in the beginning and 537.9 MB in the end (delta: -147.5 MB). Peak memory consumption was 57.0 MB. Max. memory is 5.3 GB. [2018-04-11 22:38:51,622 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 444.6 MB. Free memory is still 395.5 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 215.48 ms. Allocated memory is still 444.6 MB. Free memory was 366.4 MB in the beginning and 340.0 MB in the end (delta: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 35.91 ms. Allocated memory is still 444.6 MB. Free memory was 340.0 MB in the beginning and 334.7 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 5.3 GB. * RCFGBuilder took 411.26 ms. Allocated memory was 444.6 MB in the beginning and 472.9 MB in the end (delta: 28.3 MB). Free memory was 334.7 MB in the beginning and 390.4 MB in the end (delta: -55.7 MB). Peak memory consumption was 29.1 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1578.72 ms. Allocated memory was 472.9 MB in the beginning and 677.4 MB in the end (delta: 204.5 MB). Free memory was 390.4 MB in the beginning and 537.9 MB in the end (delta: -147.5 MB). Peak memory consumption was 57.0 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 662]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L628] List p, a, t; [L629] EXPR, FCALL malloc(sizeof(struct node)) VAL [malloc(sizeof(struct node))={16:0}] [L629] a = (List) malloc(sizeof(struct node)) VAL [a={16:0}, malloc(sizeof(struct node))={16:0}] [L630] COND FALSE !(a == 0) VAL [a={16:0}, malloc(sizeof(struct node))={16:0}] [L631] p = a [L632] int i = 0; VAL [a={16:0}, i=0, malloc(sizeof(struct node))={16:0}, p={16:0}] [L633] i < 20 && __VERIFIER_nondet_int() VAL [a={16:0}, i=0, i < 20 && __VERIFIER_nondet_int()=1, malloc(sizeof(struct node))={16:0}, p={16:0}] [L633] COND TRUE i < 20 && __VERIFIER_nondet_int() [L633] i < 20 && __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=0, a={16:0}, i=0, i < 20 && __VERIFIER_nondet_int()=0, malloc(sizeof(struct node))={16:0}, p={16:0}] [L633] COND FALSE !(i < 20 && __VERIFIER_nondet_int()) [L646] FCALL p->h = 3 VAL [a={16:0}, i=0, malloc(sizeof(struct node))={16:0}, p={16:0}] [L647] p = a VAL [a={16:0}, i=0, malloc(sizeof(struct node))={16:0}, p={16:0}] [L648] EXPR, FCALL p->h VAL [a={16:0}, i=0, malloc(sizeof(struct node))={16:0}, p={16:0}, p->h=3] [L648] COND FALSE !(p->h != 3) [L659] EXPR, FCALL p->h VAL [a={16:0}, i=0, malloc(sizeof(struct node))={16:0}, p={16:0}, p->h=3] [L659] COND FALSE !(p->h != 3 || i > 20) [L661] p = a VAL [a={16:0}, i=0, malloc(sizeof(struct node))={16:0}, p={16:0}] [L662] EXPR, FCALL p->n VAL [a={16:0}, i=0, malloc(sizeof(struct node))={16:0}, p={16:0}, p->n={18:14}] [L662] COND TRUE p->n != 0 [L663] EXPR, FCALL p->n VAL [a={16:0}, i=0, malloc(sizeof(struct node))={16:0}, p={16:0}, p->n={18:14}] [L663] t = p->n [L664] free(p) VAL [a={16:0}, i=0, malloc(sizeof(struct node))={16:0}, p={16:0}, t={18:14}] [L664] free(p) VAL [a={16:0}, i=0, malloc(sizeof(struct node))={16:0}, p={16:0}, t={18:14}] [L664] FCALL free(p) VAL [a={16:0}, i=0, malloc(sizeof(struct node))={16:0}, p={16:0}, t={18:14}] [L665] p = t VAL [a={16:0}, i=0, malloc(sizeof(struct node))={16:0}, p={18:14}, t={18:14}] [L662] FCALL p->n - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 100 locations, 35 error locations. UNSAFE Result, 1.5s OverallTime, 8 OverallIterations, 2 TraceHistogramMax, 0.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 462 SDtfs, 1035 SDslu, 862 SDs, 0 SdLazy, 1006 SolverSat, 107 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=120occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 145 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 190 NumberOfCodeBlocks, 190 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 151 ConstructedInterpolants, 0 QuantifiedInterpolants, 13325 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/list-ext_flag_false-unreach-call_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-11_22-38-51-627.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/list-ext_flag_false-unreach-call_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-11_22-38-51-627.csv Received shutdown request...