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 0.1.23-408c70d-m [2018-04-12 14:24:18,834 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-12 14:24:18,835 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-12 14:24:18,845 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-12 14:24:18,846 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-12 14:24:18,846 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-12 14:24:18,847 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-12 14:24:18,848 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-12 14:24:18,849 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-12 14:24:18,850 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-12 14:24:18,851 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-12 14:24:18,851 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-12 14:24:18,851 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-12 14:24:18,852 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-12 14:24:18,853 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-12 14:24:18,855 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-12 14:24:18,856 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-12 14:24:18,857 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-12 14:24:18,858 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-12 14:24:18,859 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-12 14:24:18,861 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-12 14:24:18,861 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-12 14:24:18,861 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-12 14:24:18,862 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-12 14:24:18,863 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-12 14:24:18,863 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-12 14:24:18,864 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-12 14:24:18,864 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-12 14:24:18,865 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-12 14:24:18,865 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-12 14:24:18,865 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-12 14:24:18,866 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 [2018-04-12 14:24:18,874 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-12 14:24:18,875 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-12 14:24:18,876 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-12 14:24:18,876 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-12 14:24:18,876 INFO L133 SettingsManager]: * Use SBE=true [2018-04-12 14:24:18,876 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-12 14:24:18,876 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-12 14:24:18,876 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-12 14:24:18,876 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-12 14:24:18,877 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-12 14:24:18,877 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-12 14:24:18,877 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-12 14:24:18,877 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-12 14:24:18,877 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-12 14:24:18,877 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-12 14:24:18,877 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-12 14:24:18,878 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-12 14:24:18,878 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-12 14:24:18,878 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-12 14:24:18,878 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-12 14:24:18,878 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-12 14:24:18,878 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-12 14:24:18,879 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-12 14:24:18,879 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-12 14:24:18,920 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-12 14:24:18,930 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-12 14:24:18,933 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-12 14:24:18,934 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-12 14:24:18,934 INFO L276 PluginConnector]: CDTParser initialized [2018-04-12 14:24:18,936 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 [2018-04-12 14:24:19,187 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG28a0344f3 [2018-04-12 14:24:19,317 INFO L287 CDTParser]: IsIndexed: true [2018-04-12 14:24:19,317 INFO L288 CDTParser]: Found 1 translation units. [2018-04-12 14:24:19,317 INFO L168 CDTParser]: Scanning list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-12 14:24:19,325 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-12 14:24:19,325 INFO L215 ultiparseSymbolTable]: [2018-04-12 14:24:19,325 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-12 14:24:19,325 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 [2018-04-12 14:24:19,325 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-12 14:24:19,326 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-12 14:24:19,326 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 [2018-04-12 14:24:19,326 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 [2018-04-12 14:24:19,326 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 [2018-04-12 14:24:19,326 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 [2018-04-12 14:24:19,326 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 [2018-04-12 14:24:19,326 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 [2018-04-12 14:24:19,326 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 [2018-04-12 14:24:19,326 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 [2018-04-12 14:24:19,327 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 [2018-04-12 14:24:19,327 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 [2018-04-12 14:24:19,327 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 [2018-04-12 14:24:19,327 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 [2018-04-12 14:24:19,327 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 [2018-04-12 14:24:19,327 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 [2018-04-12 14:24:19,327 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 [2018-04-12 14:24:19,327 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 [2018-04-12 14:24:19,327 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 [2018-04-12 14:24:19,328 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 [2018-04-12 14:24:19,328 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 [2018-04-12 14:24:19,328 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 [2018-04-12 14:24:19,328 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 [2018-04-12 14:24:19,328 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 [2018-04-12 14:24:19,328 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 [2018-04-12 14:24:19,328 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 [2018-04-12 14:24:19,328 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 [2018-04-12 14:24:19,328 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 [2018-04-12 14:24:19,329 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 [2018-04-12 14:24:19,329 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 [2018-04-12 14:24:19,329 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 [2018-04-12 14:24:19,329 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 [2018-04-12 14:24:19,329 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 [2018-04-12 14:24:19,329 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 [2018-04-12 14:24:19,329 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 [2018-04-12 14:24:19,329 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 [2018-04-12 14:24:19,329 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 [2018-04-12 14:24:19,329 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 [2018-04-12 14:24:19,329 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 [2018-04-12 14:24:19,330 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 [2018-04-12 14:24:19,330 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 [2018-04-12 14:24:19,330 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 [2018-04-12 14:24:19,330 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 [2018-04-12 14:24:19,330 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 [2018-04-12 14:24:19,330 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 [2018-04-12 14:24:19,330 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 [2018-04-12 14:24:19,330 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 [2018-04-12 14:24:19,330 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 [2018-04-12 14:24:19,330 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 [2018-04-12 14:24:19,330 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 [2018-04-12 14:24:19,330 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 [2018-04-12 14:24:19,330 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 [2018-04-12 14:24:19,330 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 [2018-04-12 14:24:19,330 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 [2018-04-12 14:24:19,330 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 [2018-04-12 14:24:19,330 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 [2018-04-12 14:24:19,330 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 [2018-04-12 14:24:19,330 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 [2018-04-12 14:24:19,331 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 [2018-04-12 14:24:19,331 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 [2018-04-12 14:24:19,331 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 [2018-04-12 14:24:19,331 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 [2018-04-12 14:24:19,331 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 [2018-04-12 14:24:19,331 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 [2018-04-12 14:24:19,331 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 [2018-04-12 14:24:19,331 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 [2018-04-12 14:24:19,331 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 [2018-04-12 14:24:19,331 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 [2018-04-12 14:24:19,331 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 [2018-04-12 14:24:19,331 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 [2018-04-12 14:24:19,331 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 [2018-04-12 14:24:19,331 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 [2018-04-12 14:24:19,331 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 [2018-04-12 14:24:19,331 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 [2018-04-12 14:24:19,331 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 [2018-04-12 14:24:19,331 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 [2018-04-12 14:24:19,331 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 [2018-04-12 14:24:19,332 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 [2018-04-12 14:24:19,332 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 [2018-04-12 14:24:19,332 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 [2018-04-12 14:24:19,332 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 [2018-04-12 14:24:19,332 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 [2018-04-12 14:24:19,332 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 [2018-04-12 14:24:19,332 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 [2018-04-12 14:24:19,332 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 [2018-04-12 14:24:19,332 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 [2018-04-12 14:24:19,332 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 [2018-04-12 14:24:19,332 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 [2018-04-12 14:24:19,332 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 [2018-04-12 14:24:19,333 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 [2018-04-12 14:24:19,333 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 [2018-04-12 14:24:19,333 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 [2018-04-12 14:24:19,333 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 [2018-04-12 14:24:19,333 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 [2018-04-12 14:24:19,333 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 [2018-04-12 14:24:19,333 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 [2018-04-12 14:24:19,333 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 [2018-04-12 14:24:19,333 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 [2018-04-12 14:24:19,333 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 [2018-04-12 14:24:19,333 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 [2018-04-12 14:24:19,334 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 [2018-04-12 14:24:19,334 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 [2018-04-12 14:24:19,334 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 [2018-04-12 14:24:19,334 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 [2018-04-12 14:24:19,334 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 [2018-04-12 14:24:19,334 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 [2018-04-12 14:24:19,334 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 [2018-04-12 14:24:19,334 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 [2018-04-12 14:24:19,334 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 [2018-04-12 14:24:19,334 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 [2018-04-12 14:24:19,334 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 [2018-04-12 14:24:19,334 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 [2018-04-12 14:24:19,335 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 [2018-04-12 14:24:19,335 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 [2018-04-12 14:24:19,335 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 [2018-04-12 14:24:19,335 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 [2018-04-12 14:24:19,335 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 [2018-04-12 14:24:19,335 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 [2018-04-12 14:24:19,335 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 [2018-04-12 14:24:19,335 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 [2018-04-12 14:24:19,335 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 [2018-04-12 14:24:19,347 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG28a0344f3 [2018-04-12 14:24:19,350 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-12 14:24:19,351 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-12 14:24:19,351 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-12 14:24:19,351 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-12 14:24:19,357 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-12 14:24:19,357 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 02:24:19" (1/1) ... [2018-04-12 14:24:19,359 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d25f9f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:24:19, skipping insertion in model container [2018-04-12 14:24:19,359 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 02:24:19" (1/1) ... [2018-04-12 14:24:19,369 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 14:24:19,390 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 14:24:19,511 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 14:24:19,545 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 14:24:19,551 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 113 non ball SCCs. Number of states in SCCs 113. [2018-04-12 14:24:19,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:24:19 WrapperNode [2018-04-12 14:24:19,581 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-12 14:24:19,583 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-12 14:24:19,583 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-12 14:24:19,583 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-12 14:24:19,590 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:24:19" (1/1) ... [2018-04-12 14:24:19,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:24:19" (1/1) ... [2018-04-12 14:24:19,601 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:24:19" (1/1) ... [2018-04-12 14:24:19,601 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:24:19" (1/1) ... [2018-04-12 14:24:19,611 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:24:19" (1/1) ... [2018-04-12 14:24:19,615 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:24:19" (1/1) ... [2018-04-12 14:24:19,618 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:24:19" (1/1) ... [2018-04-12 14:24:19,621 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-12 14:24:19,622 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-12 14:24:19,622 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-12 14:24:19,622 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-12 14:24:19,623 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:24:19" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-12 14:24:19,700 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-12 14:24:19,700 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-12 14:24:19,700 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__exit [2018-04-12 14:24:19,701 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-12 14:24:19,701 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-12 14:24:19,701 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-12 14:24:19,701 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-12 14:24:19,701 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-12 14:24:19,701 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-12 14:24:19,701 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-12 14:24:19,701 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-12 14:24:19,701 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-12 14:24:19,701 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-12 14:24:19,701 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-12 14:24:19,701 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-12 14:24:19,702 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-12 14:24:19,702 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-12 14:24:19,702 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-12 14:24:19,702 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-12 14:24:19,702 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-12 14:24:19,702 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-12 14:24:19,702 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-12 14:24:19,702 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-12 14:24:19,702 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-12 14:24:19,703 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-12 14:24:19,703 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-12 14:24:19,703 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-12 14:24:19,703 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-12 14:24:19,703 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-12 14:24:19,703 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-12 14:24:19,703 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-12 14:24:19,703 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-12 14:24:19,703 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-12 14:24:19,704 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-12 14:24:19,704 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-12 14:24:19,704 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-12 14:24:19,704 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-12 14:24:19,704 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-12 14:24:19,704 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-12 14:24:19,704 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-12 14:24:19,704 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-12 14:24:19,704 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-12 14:24:19,705 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-12 14:24:19,705 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-12 14:24:19,705 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-12 14:24:19,705 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-12 14:24:19,705 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-12 14:24:19,705 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-12 14:24:19,705 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-12 14:24:19,705 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-12 14:24:19,705 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-12 14:24:19,705 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-12 14:24:19,706 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-12 14:24:19,706 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-12 14:24:19,706 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-12 14:24:19,706 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-12 14:24:19,706 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-12 14:24:19,706 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-12 14:24:19,706 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-12 14:24:19,706 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-12 14:24:19,706 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-12 14:24:19,706 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-12 14:24:19,707 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-12 14:24:19,707 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-12 14:24:19,707 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-12 14:24:19,707 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-12 14:24:19,707 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-12 14:24:19,707 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__exit [2018-04-12 14:24:19,707 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-12 14:24:19,707 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-12 14:24:19,707 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-04-12 14:24:19,707 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-12 14:24:19,707 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-12 14:24:19,708 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-12 14:24:19,708 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-12 14:24:19,708 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-12 14:24:19,708 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-12 14:24:19,708 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-12 14:24:19,708 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-12 14:24:19,708 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-12 14:24:19,708 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-12 14:24:19,708 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-12 14:24:19,708 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-12 14:24:19,709 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-12 14:24:19,709 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-12 14:24:19,709 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-12 14:24:19,709 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-12 14:24:19,709 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-12 14:24:19,709 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-12 14:24:19,709 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-12 14:24:19,709 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-12 14:24:19,709 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-12 14:24:19,709 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-12 14:24:19,710 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-12 14:24:19,710 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-12 14:24:19,710 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-12 14:24:19,710 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-12 14:24:19,710 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-12 14:24:19,710 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-12 14:24:19,710 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-12 14:24:19,710 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-12 14:24:19,710 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-12 14:24:19,710 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-12 14:24:19,711 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-12 14:24:19,711 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-12 14:24:19,711 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-12 14:24:19,711 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-12 14:24:19,711 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-12 14:24:19,711 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-12 14:24:19,711 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-12 14:24:19,711 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-12 14:24:19,711 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-12 14:24:19,711 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-12 14:24:19,712 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-12 14:24:19,712 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-12 14:24:19,712 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-12 14:24:19,712 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-12 14:24:20,058 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-12 14:24:20,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 02:24:20 BoogieIcfgContainer [2018-04-12 14:24:20,059 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-12 14:24:20,059 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-12 14:24:20,059 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-12 14:24:20,061 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-12 14:24:20,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.04 02:24:19" (1/3) ... [2018-04-12 14:24:20,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@761dc99b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 02:24:20, skipping insertion in model container [2018-04-12 14:24:20,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:24:19" (2/3) ... [2018-04-12 14:24:20,062 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@761dc99b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 02:24:20, skipping insertion in model container [2018-04-12 14:24:20,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 02:24:20" (3/3) ... [2018-04-12 14:24:20,063 INFO L107 eAbstractionObserver]: Analyzing ICFG list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-12 14:24:20,068 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-12 14:24:20,073 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 35 error locations. [2018-04-12 14:24:20,096 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-12 14:24:20,096 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-12 14:24:20,096 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-12 14:24:20,096 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-12 14:24:20,097 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-12 14:24:20,097 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-12 14:24:20,097 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-12 14:24:20,097 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-12 14:24:20,097 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-12 14:24:20,097 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-12 14:24:20,106 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states. [2018-04-12 14:24:20,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-04-12 14:24:20,113 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 14:24:20,113 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 14:24:20,113 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]=== [2018-04-12 14:24:20,116 INFO L82 PathProgramCache]: Analyzing trace with hash 1176703712, now seen corresponding path program 1 times [2018-04-12 14:24:20,117 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 14:24:20,117 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 14:24:20,145 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:24:20,145 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 14:24:20,145 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:24:20,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 14:24:20,173 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 14:24:20,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 14:24:20,195 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 14:24:20,196 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-04-12 14:24:20,197 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-04-12 14:24:20,205 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-04-12 14:24:20,205 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-04-12 14:24:20,207 INFO L87 Difference]: Start difference. First operand 98 states. Second operand 2 states. [2018-04-12 14:24:20,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 14:24:20,222 INFO L93 Difference]: Finished difference Result 98 states and 106 transitions. [2018-04-12 14:24:20,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-04-12 14:24:20,224 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2018-04-12 14:24:20,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 14:24:20,230 INFO L225 Difference]: With dead ends: 98 [2018-04-12 14:24:20,230 INFO L226 Difference]: Without dead ends: 90 [2018-04-12 14:24:20,232 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 [2018-04-12 14:24:20,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2018-04-12 14:24:20,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2018-04-12 14:24:20,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2018-04-12 14:24:20,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 95 transitions. [2018-04-12 14:24:20,257 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 95 transitions. Word has length 12 [2018-04-12 14:24:20,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 14:24:20,258 INFO L459 AbstractCegarLoop]: Abstraction has 90 states and 95 transitions. [2018-04-12 14:24:20,258 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-04-12 14:24:20,258 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 95 transitions. [2018-04-12 14:24:20,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-12 14:24:20,258 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 14:24:20,258 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 14:24:20,259 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]=== [2018-04-12 14:24:20,259 INFO L82 PathProgramCache]: Analyzing trace with hash -390456068, now seen corresponding path program 1 times [2018-04-12 14:24:20,259 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 14:24:20,259 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 14:24:20,260 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:24:20,260 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 14:24:20,260 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:24:20,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 14:24:20,275 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 14:24:20,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 14:24:20,323 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 14:24:20,323 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 14:24:20,324 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 14:24:20,325 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 14:24:20,325 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-12 14:24:20,325 INFO L87 Difference]: Start difference. First operand 90 states and 95 transitions. Second operand 5 states. [2018-04-12 14:24:20,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 14:24:20,457 INFO L93 Difference]: Finished difference Result 103 states and 111 transitions. [2018-04-12 14:24:20,457 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 14:24:20,457 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2018-04-12 14:24:20,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 14:24:20,458 INFO L225 Difference]: With dead ends: 103 [2018-04-12 14:24:20,459 INFO L226 Difference]: Without dead ends: 103 [2018-04-12 14:24:20,459 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 [2018-04-12 14:24:20,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-04-12 14:24:20,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 87. [2018-04-12 14:24:20,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-04-12 14:24:20,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 98 transitions. [2018-04-12 14:24:20,464 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 98 transitions. Word has length 15 [2018-04-12 14:24:20,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 14:24:20,464 INFO L459 AbstractCegarLoop]: Abstraction has 87 states and 98 transitions. [2018-04-12 14:24:20,464 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 14:24:20,464 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 98 transitions. [2018-04-12 14:24:20,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-12 14:24:20,464 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 14:24:20,464 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 14:24:20,464 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]=== [2018-04-12 14:24:20,464 INFO L82 PathProgramCache]: Analyzing trace with hash -390456067, now seen corresponding path program 1 times [2018-04-12 14:24:20,465 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 14:24:20,465 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 14:24:20,465 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:24:20,465 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 14:24:20,465 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:24:20,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 14:24:20,474 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 14:24:20,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 14:24:20,516 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 14:24:20,516 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 14:24:20,516 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 14:24:20,517 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 14:24:20,517 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-12 14:24:20,517 INFO L87 Difference]: Start difference. First operand 87 states and 98 transitions. Second operand 5 states. [2018-04-12 14:24:20,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 14:24:20,677 INFO L93 Difference]: Finished difference Result 123 states and 133 transitions. [2018-04-12 14:24:20,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 14:24:20,678 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2018-04-12 14:24:20,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 14:24:20,678 INFO L225 Difference]: With dead ends: 123 [2018-04-12 14:24:20,679 INFO L226 Difference]: Without dead ends: 123 [2018-04-12 14:24:20,679 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 [2018-04-12 14:24:20,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-04-12 14:24:20,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 111. [2018-04-12 14:24:20,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-04-12 14:24:20,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 122 transitions. [2018-04-12 14:24:20,685 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 122 transitions. Word has length 15 [2018-04-12 14:24:20,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 14:24:20,685 INFO L459 AbstractCegarLoop]: Abstraction has 111 states and 122 transitions. [2018-04-12 14:24:20,685 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 14:24:20,685 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 122 transitions. [2018-04-12 14:24:20,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-12 14:24:20,686 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 14:24:20,686 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] [2018-04-12 14:24:20,686 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]=== [2018-04-12 14:24:20,686 INFO L82 PathProgramCache]: Analyzing trace with hash 1063112938, now seen corresponding path program 1 times [2018-04-12 14:24:20,686 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 14:24:20,686 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 14:24:20,687 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:24:20,687 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 14:24:20,687 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:24:20,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 14:24:20,698 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 14:24:20,728 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 14:24:20,729 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 14:24:20,729 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-12 14:24:20,729 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 14:24:20,729 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 14:24:20,729 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-12 14:24:20,729 INFO L87 Difference]: Start difference. First operand 111 states and 122 transitions. Second operand 6 states. [2018-04-12 14:24:20,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 14:24:20,886 INFO L93 Difference]: Finished difference Result 163 states and 173 transitions. [2018-04-12 14:24:20,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-12 14:24:20,887 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2018-04-12 14:24:20,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 14:24:20,888 INFO L225 Difference]: With dead ends: 163 [2018-04-12 14:24:20,888 INFO L226 Difference]: Without dead ends: 163 [2018-04-12 14:24:20,888 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 [2018-04-12 14:24:20,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2018-04-12 14:24:20,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 115. [2018-04-12 14:24:20,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-04-12 14:24:20,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 126 transitions. [2018-04-12 14:24:20,894 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 126 transitions. Word has length 27 [2018-04-12 14:24:20,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 14:24:20,894 INFO L459 AbstractCegarLoop]: Abstraction has 115 states and 126 transitions. [2018-04-12 14:24:20,894 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 14:24:20,895 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 126 transitions. [2018-04-12 14:24:20,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-04-12 14:24:20,895 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 14:24:20,895 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] [2018-04-12 14:24:20,895 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]=== [2018-04-12 14:24:20,896 INFO L82 PathProgramCache]: Analyzing trace with hash -763817334, now seen corresponding path program 1 times [2018-04-12 14:24:20,896 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 14:24:20,896 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 14:24:20,896 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:24:20,897 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 14:24:20,897 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:24:20,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 14:24:20,910 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 14:24:20,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 14:24:20,960 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 14:24:20,960 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 14:24:20,961 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 14:24:20,961 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 14:24:20,961 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-12 14:24:20,961 INFO L87 Difference]: Start difference. First operand 115 states and 126 transitions. Second operand 6 states. [2018-04-12 14:24:21,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 14:24:21,095 INFO L93 Difference]: Finished difference Result 147 states and 159 transitions. [2018-04-12 14:24:21,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-12 14:24:21,095 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 29 [2018-04-12 14:24:21,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 14:24:21,096 INFO L225 Difference]: With dead ends: 147 [2018-04-12 14:24:21,096 INFO L226 Difference]: Without dead ends: 142 [2018-04-12 14:24:21,096 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 [2018-04-12 14:24:21,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2018-04-12 14:24:21,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 120. [2018-04-12 14:24:21,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-04-12 14:24:21,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 131 transitions. [2018-04-12 14:24:21,100 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 131 transitions. Word has length 29 [2018-04-12 14:24:21,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 14:24:21,100 INFO L459 AbstractCegarLoop]: Abstraction has 120 states and 131 transitions. [2018-04-12 14:24:21,100 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 14:24:21,100 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 131 transitions. [2018-04-12 14:24:21,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-12 14:24:21,101 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 14:24:21,101 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] [2018-04-12 14:24:21,101 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]=== [2018-04-12 14:24:21,101 INFO L82 PathProgramCache]: Analyzing trace with hash 1183818934, now seen corresponding path program 1 times [2018-04-12 14:24:21,101 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 14:24:21,101 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 14:24:21,102 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:24:21,102 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 14:24:21,102 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:24:21,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 14:24:21,112 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 14:24:21,147 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 14:24:21,147 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 14:24:21,147 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-12 14:24:21,148 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-12 14:24:21,148 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-12 14:24:21,148 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-04-12 14:24:21,148 INFO L87 Difference]: Start difference. First operand 120 states and 131 transitions. Second operand 7 states. [2018-04-12 14:24:21,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 14:24:21,272 INFO L93 Difference]: Finished difference Result 125 states and 136 transitions. [2018-04-12 14:24:21,272 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-12 14:24:21,272 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 30 [2018-04-12 14:24:21,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 14:24:21,273 INFO L225 Difference]: With dead ends: 125 [2018-04-12 14:24:21,273 INFO L226 Difference]: Without dead ends: 125 [2018-04-12 14:24:21,273 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 [2018-04-12 14:24:21,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-04-12 14:24:21,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 118. [2018-04-12 14:24:21,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2018-04-12 14:24:21,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 129 transitions. [2018-04-12 14:24:21,277 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 129 transitions. Word has length 30 [2018-04-12 14:24:21,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 14:24:21,277 INFO L459 AbstractCegarLoop]: Abstraction has 118 states and 129 transitions. [2018-04-12 14:24:21,277 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-12 14:24:21,277 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 129 transitions. [2018-04-12 14:24:21,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-12 14:24:21,277 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 14:24:21,278 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] [2018-04-12 14:24:21,278 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]=== [2018-04-12 14:24:21,278 INFO L82 PathProgramCache]: Analyzing trace with hash 1183818935, now seen corresponding path program 1 times [2018-04-12 14:24:21,278 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 14:24:21,278 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 14:24:21,278 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:24:21,278 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 14:24:21,278 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:24:21,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 14:24:21,287 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 14:24:21,333 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 14:24:21,333 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 14:24:21,334 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-12 14:24:21,334 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-12 14:24:21,334 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-12 14:24:21,334 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-04-12 14:24:21,334 INFO L87 Difference]: Start difference. First operand 118 states and 129 transitions. Second operand 7 states. [2018-04-12 14:24:21,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 14:24:21,513 INFO L93 Difference]: Finished difference Result 140 states and 150 transitions. [2018-04-12 14:24:21,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-12 14:24:21,513 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 30 [2018-04-12 14:24:21,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 14:24:21,514 INFO L225 Difference]: With dead ends: 140 [2018-04-12 14:24:21,514 INFO L226 Difference]: Without dead ends: 140 [2018-04-12 14:24:21,514 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 [2018-04-12 14:24:21,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-04-12 14:24:21,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 100. [2018-04-12 14:24:21,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-04-12 14:24:21,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 110 transitions. [2018-04-12 14:24:21,518 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 110 transitions. Word has length 30 [2018-04-12 14:24:21,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 14:24:21,519 INFO L459 AbstractCegarLoop]: Abstraction has 100 states and 110 transitions. [2018-04-12 14:24:21,519 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-12 14:24:21,519 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 110 transitions. [2018-04-12 14:24:21,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-04-12 14:24:21,520 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 14:24:21,520 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] [2018-04-12 14:24:21,520 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]=== [2018-04-12 14:24:21,520 INFO L82 PathProgramCache]: Analyzing trace with hash -1396505279, now seen corresponding path program 1 times [2018-04-12 14:24:21,520 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 14:24:21,520 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 14:24:21,521 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:24:21,521 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 14:24:21,521 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:24:21,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-12 14:24:21,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-12 14:24:21,555 INFO L421 BasicCegarLoop]: Counterexample might be feasible [2018-04-12 14:24:21,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.04 02:24:21 BoogieIcfgContainer [2018-04-12 14:24:21,572 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-12 14:24:21,573 INFO L168 Benchmark]: Toolchain (without parser) took 2222.63 ms. Allocated memory was 392.7 MB in the beginning and 622.3 MB in the end (delta: 229.6 MB). Free memory was 328.4 MB in the beginning and 423.8 MB in the end (delta: -95.4 MB). Peak memory consumption was 134.3 MB. Max. memory is 5.3 GB. [2018-04-12 14:24:21,574 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 392.7 MB. Free memory is still 355.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-12 14:24:21,574 INFO L168 Benchmark]: CACSL2BoogieTranslator took 231.97 ms. Allocated memory is still 392.7 MB. Free memory was 328.4 MB in the beginning and 303.0 MB in the end (delta: 25.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 5.3 GB. [2018-04-12 14:24:21,574 INFO L168 Benchmark]: Boogie Preprocessor took 37.96 ms. Allocated memory is still 392.7 MB. Free memory was 303.0 MB in the beginning and 300.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-12 14:24:21,574 INFO L168 Benchmark]: RCFGBuilder took 437.17 ms. Allocated memory was 392.7 MB in the beginning and 592.4 MB in the end (delta: 199.8 MB). Free memory was 300.4 MB in the beginning and 519.1 MB in the end (delta: -218.7 MB). Peak memory consumption was 24.9 MB. Max. memory is 5.3 GB. [2018-04-12 14:24:21,575 INFO L168 Benchmark]: TraceAbstraction took 1513.22 ms. Allocated memory was 592.4 MB in the beginning and 622.3 MB in the end (delta: 29.9 MB). Free memory was 519.1 MB in the beginning and 423.8 MB in the end (delta: 95.3 MB). Peak memory consumption was 125.2 MB. Max. memory is 5.3 GB. [2018-04-12 14:24:21,577 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 392.7 MB. Free memory is still 355.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 231.97 ms. Allocated memory is still 392.7 MB. Free memory was 328.4 MB in the beginning and 303.0 MB in the end (delta: 25.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 37.96 ms. Allocated memory is still 392.7 MB. Free memory was 303.0 MB in the beginning and 300.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 437.17 ms. Allocated memory was 392.7 MB in the beginning and 592.4 MB in the end (delta: 199.8 MB). Free memory was 300.4 MB in the beginning and 519.1 MB in the end (delta: -218.7 MB). Peak memory consumption was 24.9 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1513.22 ms. Allocated memory was 592.4 MB in the beginning and 622.3 MB in the end (delta: 29.9 MB). Free memory was 519.1 MB in the beginning and 423.8 MB in the end (delta: 95.3 MB). Peak memory consumption was 125.2 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, 1.4s 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, 0.2s 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-0-2018-04-12_14-24-21-584.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-0-2018-04-12_14-24-21-584.csv Received shutdown request...