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 -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/list-ext-properties/list-ext_flag_false-unreach-call_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-835382a-m [2018-04-05 17:31:45,985 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-05 17:31:45,987 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-05 17:31:46,003 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-05 17:31:46,003 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-05 17:31:46,004 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-05 17:31:46,006 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-05 17:31:46,007 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-05 17:31:46,010 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-05 17:31:46,010 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-05 17:31:46,011 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-05 17:31:46,012 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-05 17:31:46,013 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-05 17:31:46,014 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-05 17:31:46,015 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-05 17:31:46,017 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-05 17:31:46,019 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-05 17:31:46,021 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-05 17:31:46,022 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-05 17:31:46,024 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-05 17:31:46,027 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-05 17:31:46,027 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-05 17:31:46,027 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-05 17:31:46,028 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-05 17:31:46,029 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-05 17:31:46,031 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-05 17:31:46,031 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-05 17:31:46,032 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-05 17:31:46,033 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-05 17:31:46,033 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-05 17:31:46,034 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-05 17:31:46,034 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf [2018-04-05 17:31:46,062 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-05 17:31:46,062 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-05 17:31:46,062 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-04-05 17:31:46,063 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-04-05 17:31:46,063 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-04-05 17:31:46,063 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-04-05 17:31:46,064 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-04-05 17:31:46,064 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-04-05 17:31:46,064 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-04-05 17:31:46,064 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-04-05 17:31:46,065 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-04-05 17:31:46,065 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-05 17:31:46,065 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-05 17:31:46,065 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-05 17:31:46,065 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-05 17:31:46,066 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-05 17:31:46,066 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-05 17:31:46,066 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-05 17:31:46,066 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-04-05 17:31:46,066 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-05 17:31:46,066 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-05 17:31:46,067 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-05 17:31:46,067 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-04-05 17:31:46,067 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-04-05 17:31:46,067 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-05 17:31:46,067 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-05 17:31:46,068 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-05 17:31:46,068 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-05 17:31:46,068 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-05 17:31:46,068 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-04-05 17:31:46,068 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-04-05 17:31:46,069 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 17:31:46,069 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-04-05 17:31:46,070 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-04-05 17:31:46,070 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-04-05 17:31:46,070 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-04-05 17:31:46,070 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-04-05 17:31:46,106 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-05 17:31:46,119 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-05 17:31:46,123 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-05 17:31:46,125 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-05 17:31:46,126 INFO L276 PluginConnector]: CDTParser initialized [2018-04-05 17:31:46,126 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext-properties/list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-05 17:31:46,444 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG6d89341dc [2018-04-05 17:31:46,641 INFO L287 CDTParser]: IsIndexed: true [2018-04-05 17:31:46,641 INFO L288 CDTParser]: Found 1 translation units. [2018-04-05 17:31:46,642 INFO L168 CDTParser]: Scanning list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-05 17:31:46,653 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-05 17:31:46,654 INFO L215 ultiparseSymbolTable]: [2018-04-05 17:31:46,654 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-05 17:31:46,654 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 [2018-04-05 17:31:46,654 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-05 17:31:46,654 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-05 17:31:46,654 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 [2018-04-05 17:31:46,655 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 [2018-04-05 17:31:46,655 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 [2018-04-05 17:31:46,655 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 [2018-04-05 17:31:46,655 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 [2018-04-05 17:31:46,655 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 [2018-04-05 17:31:46,655 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 [2018-04-05 17:31:46,655 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 [2018-04-05 17:31:46,655 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 [2018-04-05 17:31:46,656 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 [2018-04-05 17:31:46,656 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 [2018-04-05 17:31:46,656 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 [2018-04-05 17:31:46,656 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 [2018-04-05 17:31:46,656 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 [2018-04-05 17:31:46,656 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 [2018-04-05 17:31:46,656 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 [2018-04-05 17:31:46,656 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 [2018-04-05 17:31:46,656 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 [2018-04-05 17:31:46,656 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 [2018-04-05 17:31:46,657 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 [2018-04-05 17:31:46,657 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 [2018-04-05 17:31:46,657 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 [2018-04-05 17:31:46,657 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 [2018-04-05 17:31:46,657 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 [2018-04-05 17:31:46,657 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 [2018-04-05 17:31:46,657 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 [2018-04-05 17:31:46,657 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 [2018-04-05 17:31:46,657 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 [2018-04-05 17:31:46,658 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 [2018-04-05 17:31:46,658 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 [2018-04-05 17:31:46,658 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 [2018-04-05 17:31:46,658 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 [2018-04-05 17:31:46,658 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 [2018-04-05 17:31:46,658 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 [2018-04-05 17:31:46,658 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 [2018-04-05 17:31:46,658 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 [2018-04-05 17:31:46,658 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 [2018-04-05 17:31:46,658 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 [2018-04-05 17:31:46,659 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 [2018-04-05 17:31:46,659 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 [2018-04-05 17:31:46,659 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 [2018-04-05 17:31:46,659 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 [2018-04-05 17:31:46,659 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 [2018-04-05 17:31:46,659 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 [2018-04-05 17:31:46,659 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 [2018-04-05 17:31:46,659 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 [2018-04-05 17:31:46,659 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 [2018-04-05 17:31:46,660 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 [2018-04-05 17:31:46,660 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 [2018-04-05 17:31:46,660 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 [2018-04-05 17:31:46,660 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 [2018-04-05 17:31:46,660 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 [2018-04-05 17:31:46,660 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 [2018-04-05 17:31:46,660 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 [2018-04-05 17:31:46,660 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 [2018-04-05 17:31:46,661 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 [2018-04-05 17:31:46,661 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 [2018-04-05 17:31:46,661 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 [2018-04-05 17:31:46,661 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 [2018-04-05 17:31:46,661 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 [2018-04-05 17:31:46,661 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 [2018-04-05 17:31:46,661 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 [2018-04-05 17:31:46,661 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 [2018-04-05 17:31:46,662 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 [2018-04-05 17:31:46,662 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 [2018-04-05 17:31:46,662 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 [2018-04-05 17:31:46,662 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 [2018-04-05 17:31:46,662 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 [2018-04-05 17:31:46,662 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 [2018-04-05 17:31:46,662 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 [2018-04-05 17:31:46,662 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 [2018-04-05 17:31:46,662 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 [2018-04-05 17:31:46,663 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 [2018-04-05 17:31:46,663 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 [2018-04-05 17:31:46,663 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 [2018-04-05 17:31:46,663 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 [2018-04-05 17:31:46,663 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 [2018-04-05 17:31:46,663 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 [2018-04-05 17:31:46,663 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 [2018-04-05 17:31:46,663 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 [2018-04-05 17:31:46,664 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 [2018-04-05 17:31:46,664 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 [2018-04-05 17:31:46,664 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 [2018-04-05 17:31:46,664 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 [2018-04-05 17:31:46,664 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 [2018-04-05 17:31:46,664 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 [2018-04-05 17:31:46,664 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 [2018-04-05 17:31:46,664 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 [2018-04-05 17:31:46,664 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 [2018-04-05 17:31:46,664 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 [2018-04-05 17:31:46,664 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 [2018-04-05 17:31:46,665 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 [2018-04-05 17:31:46,665 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 [2018-04-05 17:31:46,665 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 [2018-04-05 17:31:46,665 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 [2018-04-05 17:31:46,665 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 [2018-04-05 17:31:46,665 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 [2018-04-05 17:31:46,665 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 [2018-04-05 17:31:46,665 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 [2018-04-05 17:31:46,666 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 [2018-04-05 17:31:46,666 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 [2018-04-05 17:31:46,666 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 [2018-04-05 17:31:46,666 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 [2018-04-05 17:31:46,666 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 [2018-04-05 17:31:46,666 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 [2018-04-05 17:31:46,666 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 [2018-04-05 17:31:46,666 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 [2018-04-05 17:31:46,666 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 [2018-04-05 17:31:46,667 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 [2018-04-05 17:31:46,667 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 [2018-04-05 17:31:46,667 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 [2018-04-05 17:31:46,667 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 [2018-04-05 17:31:46,667 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 [2018-04-05 17:31:46,667 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 [2018-04-05 17:31:46,667 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 [2018-04-05 17:31:46,667 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 [2018-04-05 17:31:46,667 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 [2018-04-05 17:31:46,668 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 [2018-04-05 17:31:46,668 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 [2018-04-05 17:31:46,691 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG6d89341dc [2018-04-05 17:31:46,696 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-05 17:31:46,698 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-05 17:31:46,700 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-05 17:31:46,700 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-05 17:31:46,707 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-05 17:31:46,708 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 05:31:46" (1/1) ... [2018-04-05 17:31:46,711 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2555fb8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:31:46, skipping insertion in model container [2018-04-05 17:31:46,711 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 05:31:46" (1/1) ... [2018-04-05 17:31:46,726 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-05 17:31:46,758 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-05 17:31:46,933 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-05 17:31:46,993 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-05 17:31:47,001 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 113 non ball SCCs. Number of states in SCCs 113. [2018-04-05 17:31:47,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:31:47 WrapperNode [2018-04-05 17:31:47,062 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-05 17:31:47,063 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-05 17:31:47,063 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-05 17:31:47,064 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-05 17:31:47,080 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:31:47" (1/1) ... [2018-04-05 17:31:47,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:31:47" (1/1) ... [2018-04-05 17:31:47,098 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:31:47" (1/1) ... [2018-04-05 17:31:47,098 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:31:47" (1/1) ... [2018-04-05 17:31:47,112 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:31:47" (1/1) ... [2018-04-05 17:31:47,119 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:31:47" (1/1) ... [2018-04-05 17:31:47,122 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:31:47" (1/1) ... [2018-04-05 17:31:47,127 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-05 17:31:47,128 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-05 17:31:47,128 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-05 17:31:47,128 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-05 17:31:47,129 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:31:47" (1/1) ... No working directory specified, using /storage/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 [2018-04-05 17:31:47,277 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-05 17:31:47,277 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-05 17:31:47,278 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__exit [2018-04-05 17:31:47,278 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-05 17:31:47,278 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-05 17:31:47,278 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-05 17:31:47,278 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-05 17:31:47,278 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-05 17:31:47,278 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-05 17:31:47,278 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-05 17:31:47,278 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-05 17:31:47,279 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-05 17:31:47,279 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-05 17:31:47,279 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-05 17:31:47,279 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-05 17:31:47,279 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-05 17:31:47,279 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-05 17:31:47,279 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-05 17:31:47,280 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-05 17:31:47,280 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-05 17:31:47,280 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-05 17:31:47,280 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-05 17:31:47,280 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-05 17:31:47,280 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-05 17:31:47,280 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-05 17:31:47,281 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-05 17:31:47,281 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-05 17:31:47,281 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-05 17:31:47,281 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-05 17:31:47,281 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-05 17:31:47,281 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-05 17:31:47,281 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-05 17:31:47,282 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-05 17:31:47,282 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-05 17:31:47,282 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-05 17:31:47,282 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-05 17:31:47,282 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-05 17:31:47,282 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-05 17:31:47,282 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-05 17:31:47,283 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-05 17:31:47,283 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-05 17:31:47,283 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-05 17:31:47,283 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-05 17:31:47,283 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-05 17:31:47,283 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-05 17:31:47,283 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-05 17:31:47,283 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-05 17:31:47,284 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-05 17:31:47,284 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-05 17:31:47,284 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-05 17:31:47,284 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-05 17:31:47,284 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-05 17:31:47,284 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-05 17:31:47,284 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-05 17:31:47,285 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-05 17:31:47,285 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-05 17:31:47,285 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-05 17:31:47,285 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-05 17:31:47,285 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-05 17:31:47,285 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-05 17:31:47,285 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-05 17:31:47,285 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-05 17:31:47,286 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-05 17:31:47,286 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-05 17:31:47,286 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-05 17:31:47,286 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-05 17:31:47,286 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-05 17:31:47,286 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_flist_ext_flag_false_unreach_call_false_valid_deref_i__exit [2018-04-05 17:31:47,286 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-05 17:31:47,287 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-05 17:31:47,287 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-04-05 17:31:47,287 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-05 17:31:47,287 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-05 17:31:47,287 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-05 17:31:47,287 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-05 17:31:47,287 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-05 17:31:47,287 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-05 17:31:47,288 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-05 17:31:47,288 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-05 17:31:47,288 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-05 17:31:47,288 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-05 17:31:47,288 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-05 17:31:47,288 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-05 17:31:47,288 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-05 17:31:47,289 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-05 17:31:47,289 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-05 17:31:47,289 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-05 17:31:47,289 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-05 17:31:47,289 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-05 17:31:47,289 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-05 17:31:47,289 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-05 17:31:47,289 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-05 17:31:47,290 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-05 17:31:47,290 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-05 17:31:47,290 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-05 17:31:47,290 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-05 17:31:47,290 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-05 17:31:47,290 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-05 17:31:47,290 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-05 17:31:47,291 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-05 17:31:47,291 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-05 17:31:47,291 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-05 17:31:47,291 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-05 17:31:47,291 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-05 17:31:47,291 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-05 17:31:47,291 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-05 17:31:47,291 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-05 17:31:47,292 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-05 17:31:47,292 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-05 17:31:47,292 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-05 17:31:47,292 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-05 17:31:47,292 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-05 17:31:47,292 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-05 17:31:47,292 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-05 17:31:47,292 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-05 17:31:47,293 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-05 17:31:47,293 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-05 17:31:47,813 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-05 17:31:47,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 05:31:47 BoogieIcfgContainer [2018-04-05 17:31:47,814 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-05 17:31:47,814 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-05 17:31:47,814 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-05 17:31:47,817 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-05 17:31:47,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 05:31:46" (1/3) ... [2018-04-05 17:31:47,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a8ad75c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 05:31:47, skipping insertion in model container [2018-04-05 17:31:47,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:31:47" (2/3) ... [2018-04-05 17:31:47,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a8ad75c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 05:31:47, skipping insertion in model container [2018-04-05 17:31:47,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 05:31:47" (3/3) ... [2018-04-05 17:31:47,820 INFO L107 eAbstractionObserver]: Analyzing ICFG list-ext_flag_false-unreach-call_false-valid-deref.i [2018-04-05 17:31:47,831 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-05 17:31:47,840 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 35 error locations. [2018-04-05 17:31:47,891 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-05 17:31:47,892 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-05 17:31:47,892 INFO L370 AbstractCegarLoop]: Hoare is true [2018-04-05 17:31:47,892 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-05 17:31:47,893 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-05 17:31:47,893 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-05 17:31:47,893 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-05 17:31:47,893 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-05 17:31:47,893 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-05 17:31:47,894 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-05 17:31:47,913 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states. [2018-04-05 17:31:47,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-04-05 17:31:47,917 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 17:31:47,918 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 17:31:47,918 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]=== [2018-04-05 17:31:47,922 INFO L82 PathProgramCache]: Analyzing trace with hash -1977522203, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 17:31:47,933 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 17:31:47,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 17:31:47,970 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 17:31:47,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:31:47,990 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 17:31:48,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:31:48,030 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 17:31:48,030 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2018-04-05 17:31:48,033 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-04-05 17:31:48,047 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-04-05 17:31:48,048 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-04-05 17:31:48,050 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 2 states. [2018-04-05 17:31:48,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 17:31:48,085 INFO L93 Difference]: Finished difference Result 207 states and 226 transitions. [2018-04-05 17:31:48,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-04-05 17:31:48,087 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2018-04-05 17:31:48,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 17:31:48,097 INFO L225 Difference]: With dead ends: 207 [2018-04-05 17:31:48,097 INFO L226 Difference]: Without dead ends: 122 [2018-04-05 17:31:48,102 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-04-05 17:31:48,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2018-04-05 17:31:48,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2018-04-05 17:31:48,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2018-04-05 17:31:48,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 127 transitions. [2018-04-05 17:31:48,145 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 127 transitions. Word has length 16 [2018-04-05 17:31:48,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 17:31:48,146 INFO L459 AbstractCegarLoop]: Abstraction has 122 states and 127 transitions. [2018-04-05 17:31:48,146 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-04-05 17:31:48,146 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 127 transitions. [2018-04-05 17:31:48,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-04-05 17:31:48,147 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 17:31:48,147 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 17:31:48,147 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]=== [2018-04-05 17:31:48,147 INFO L82 PathProgramCache]: Analyzing trace with hash 2087743377, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 17:31:48,153 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 17:31:48,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 17:31:48,172 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 17:31:48,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:31:48,234 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 17:31:48,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:31:48,358 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 17:31:48,358 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2018-04-05 17:31:48,359 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-05 17:31:48,360 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-05 17:31:48,360 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-04-05 17:31:48,360 INFO L87 Difference]: Start difference. First operand 122 states and 127 transitions. Second operand 5 states. [2018-04-05 17:31:48,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 17:31:48,429 INFO L93 Difference]: Finished difference Result 308 states and 322 transitions. [2018-04-05 17:31:48,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-05 17:31:48,430 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2018-04-05 17:31:48,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 17:31:48,432 INFO L225 Difference]: With dead ends: 308 [2018-04-05 17:31:48,433 INFO L226 Difference]: Without dead ends: 200 [2018-04-05 17:31:48,434 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-04-05 17:31:48,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2018-04-05 17:31:48,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 125. [2018-04-05 17:31:48,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-04-05 17:31:48,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 130 transitions. [2018-04-05 17:31:48,443 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 130 transitions. Word has length 21 [2018-04-05 17:31:48,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 17:31:48,444 INFO L459 AbstractCegarLoop]: Abstraction has 125 states and 130 transitions. [2018-04-05 17:31:48,444 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-05 17:31:48,444 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 130 transitions. [2018-04-05 17:31:48,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-05 17:31:48,445 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 17:31:48,445 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] [2018-04-05 17:31:48,446 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]=== [2018-04-05 17:31:48,446 INFO L82 PathProgramCache]: Analyzing trace with hash 1109633678, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 17:31:48,458 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 17:31:48,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 17:31:48,477 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 17:31:48,498 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-05 17:31:48,500 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 17:31:48,502 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:31:48,503 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-05 17:31:48,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:31:48,543 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 17:31:48,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:31:48,581 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 17:31:48,581 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2018-04-05 17:31:48,582 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-05 17:31:48,582 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-05 17:31:48,582 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-05 17:31:48,583 INFO L87 Difference]: Start difference. First operand 125 states and 130 transitions. Second operand 5 states. [2018-04-05 17:31:48,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 17:31:48,968 INFO L93 Difference]: Finished difference Result 165 states and 175 transitions. [2018-04-05 17:31:48,968 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-05 17:31:48,968 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2018-04-05 17:31:48,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 17:31:48,970 INFO L225 Difference]: With dead ends: 165 [2018-04-05 17:31:48,970 INFO L226 Difference]: Without dead ends: 148 [2018-04-05 17:31:48,971 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-05 17:31:48,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-04-05 17:31:48,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 129. [2018-04-05 17:31:48,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-04-05 17:31:48,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 139 transitions. [2018-04-05 17:31:48,983 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 139 transitions. Word has length 23 [2018-04-05 17:31:48,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 17:31:48,983 INFO L459 AbstractCegarLoop]: Abstraction has 129 states and 139 transitions. [2018-04-05 17:31:48,983 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-05 17:31:48,984 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 139 transitions. [2018-04-05 17:31:48,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-05 17:31:48,984 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 17:31:48,984 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] [2018-04-05 17:31:48,985 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]=== [2018-04-05 17:31:48,985 INFO L82 PathProgramCache]: Analyzing trace with hash 1109633679, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 17:31:48,991 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 17:31:49,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 17:31:49,005 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 17:31:49,009 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-05 17:31:49,010 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 17:31:49,030 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:31:49,031 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-05 17:31:49,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:31:49,129 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 17:31:49,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:31:49,437 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 17:31:49,438 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2018-04-05 17:31:49,438 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-05 17:31:49,438 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-05 17:31:49,438 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-04-05 17:31:49,438 INFO L87 Difference]: Start difference. First operand 129 states and 139 transitions. Second operand 8 states. [2018-04-05 17:31:49,588 WARN L148 SmtUtils]: Spent 116ms on a formula simplification that was a NOOP. DAG size: 14 [2018-04-05 17:31:49,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 17:31:49,877 INFO L93 Difference]: Finished difference Result 192 states and 204 transitions. [2018-04-05 17:31:49,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-05 17:31:49,877 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2018-04-05 17:31:49,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 17:31:49,879 INFO L225 Difference]: With dead ends: 192 [2018-04-05 17:31:49,879 INFO L226 Difference]: Without dead ends: 175 [2018-04-05 17:31:49,880 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2018-04-05 17:31:49,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2018-04-05 17:31:49,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 159. [2018-04-05 17:31:49,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2018-04-05 17:31:49,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 169 transitions. [2018-04-05 17:31:49,894 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 169 transitions. Word has length 23 [2018-04-05 17:31:49,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 17:31:49,894 INFO L459 AbstractCegarLoop]: Abstraction has 159 states and 169 transitions. [2018-04-05 17:31:49,894 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-05 17:31:49,894 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 169 transitions. [2018-04-05 17:31:49,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-04-05 17:31:49,896 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 17:31:49,896 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 17:31:49,896 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]=== [2018-04-05 17:31:49,897 INFO L82 PathProgramCache]: Analyzing trace with hash 954024037, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 17:31:49,906 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 17:31:49,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 17:31:49,932 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 17:31:49,982 WARN L1033 $PredicateComparison]: unable to prove that (exists ((main_~p~0.base Int)) (and (= 0 (select |c_old(#valid)| main_~p~0.base)) (= (store |c_old(#valid)| main_~p~0.base 0) |c_#valid|))) is different from true [2018-04-05 17:31:49,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:31:49,993 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 17:31:50,042 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc0.base_5| Int)) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc0.base_5|))) (= (store |c_#valid| |v_main_#t~malloc0.base_5| 0) |c_old(#valid)|))) is different from false [2018-04-05 17:31:50,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:31:50,074 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 17:31:50,074 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2018-04-05 17:31:50,074 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-05 17:31:50,074 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-05 17:31:50,074 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=56, Unknown=2, NotChecked=30, Total=110 [2018-04-05 17:31:50,075 INFO L87 Difference]: Start difference. First operand 159 states and 169 transitions. Second operand 11 states. [2018-04-05 17:31:50,089 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc0.base_5| Int)) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc0.base_5|))) (= (store |c_#valid| |v_main_#t~malloc0.base_5| 0) |c_old(#valid)|)))) is different from false [2018-04-05 17:31:50,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 17:31:50,364 INFO L93 Difference]: Finished difference Result 247 states and 262 transitions. [2018-04-05 17:31:50,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-05 17:31:50,364 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 41 [2018-04-05 17:31:50,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 17:31:50,366 INFO L225 Difference]: With dead ends: 247 [2018-04-05 17:31:50,366 INFO L226 Difference]: Without dead ends: 240 [2018-04-05 17:31:50,367 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 3 IntricatePredicates, 1 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=131, Unknown=3, NotChecked=78, Total=272 [2018-04-05 17:31:50,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2018-04-05 17:31:50,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 203. [2018-04-05 17:31:50,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2018-04-05 17:31:50,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 221 transitions. [2018-04-05 17:31:50,382 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 221 transitions. Word has length 41 [2018-04-05 17:31:50,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 17:31:50,382 INFO L459 AbstractCegarLoop]: Abstraction has 203 states and 221 transitions. [2018-04-05 17:31:50,383 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-05 17:31:50,383 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 221 transitions. [2018-04-05 17:31:50,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-04-05 17:31:50,384 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 17:31:50,384 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 17:31:50,384 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]=== [2018-04-05 17:31:50,384 INFO L82 PathProgramCache]: Analyzing trace with hash 476701953, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 17:31:50,390 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 17:31:50,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 17:31:50,411 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 17:31:50,424 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-05 17:31:50,426 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-05 17:31:50,426 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:31:50,427 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:31:50,429 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:31:50,429 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2018-04-05 17:31:50,439 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-04-05 17:31:50,441 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-04-05 17:31:50,441 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:31:50,442 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:31:50,443 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:31:50,443 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:15, output treesize:3 [2018-04-05 17:31:50,450 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:31:50,450 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 17:31:50,476 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 10 [2018-04-05 17:31:50,478 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-04-05 17:31:50,478 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:31:50,479 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:31:50,480 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 10 [2018-04-05 17:31:50,482 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-04-05 17:31:50,482 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-05 17:31:50,483 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:31:50,485 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-05 17:31:50,486 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:16, output treesize:7 [2018-04-05 17:31:50,498 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:31:50,524 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 17:31:50,524 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2018-04-05 17:31:50,524 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-05 17:31:50,524 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-05 17:31:50,524 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-04-05 17:31:50,525 INFO L87 Difference]: Start difference. First operand 203 states and 221 transitions. Second operand 9 states. [2018-04-05 17:31:50,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 17:31:50,819 INFO L93 Difference]: Finished difference Result 478 states and 506 transitions. [2018-04-05 17:31:50,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-05 17:31:50,820 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 42 [2018-04-05 17:31:50,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 17:31:50,822 INFO L225 Difference]: With dead ends: 478 [2018-04-05 17:31:50,822 INFO L226 Difference]: Without dead ends: 378 [2018-04-05 17:31:50,822 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2018-04-05 17:31:50,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2018-04-05 17:31:50,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 222. [2018-04-05 17:31:50,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2018-04-05 17:31:50,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 244 transitions. [2018-04-05 17:31:50,833 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 244 transitions. Word has length 42 [2018-04-05 17:31:50,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 17:31:50,834 INFO L459 AbstractCegarLoop]: Abstraction has 222 states and 244 transitions. [2018-04-05 17:31:50,834 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-05 17:31:50,834 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 244 transitions. [2018-04-05 17:31:50,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-04-05 17:31:50,835 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 17:31:50,835 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 17:31:50,836 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]=== [2018-04-05 17:31:50,836 INFO L82 PathProgramCache]: Analyzing trace with hash 468194510, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 17:31:50,842 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 17:31:50,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 17:31:50,861 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 17:31:50,871 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-05 17:31:50,877 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-05 17:31:50,878 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:31:50,879 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:31:50,880 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:31:50,880 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2018-04-05 17:31:50,897 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:31:50,897 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 17:31:50,936 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 10 [2018-04-05 17:31:50,938 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-04-05 17:31:50,938 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:31:50,939 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:31:50,940 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 10 [2018-04-05 17:31:50,941 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-04-05 17:31:50,941 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-05 17:31:50,942 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:31:50,944 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-05 17:31:50,944 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:16, output treesize:7 [2018-04-05 17:31:50,949 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:31:50,970 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 17:31:50,970 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 7] imperfect sequences [] total 10 [2018-04-05 17:31:50,970 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-05 17:31:50,970 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-05 17:31:50,970 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2018-04-05 17:31:50,971 INFO L87 Difference]: Start difference. First operand 222 states and 244 transitions. Second operand 10 states. [2018-04-05 17:31:51,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 17:31:51,433 INFO L93 Difference]: Finished difference Result 460 states and 490 transitions. [2018-04-05 17:31:51,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-05 17:31:51,433 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 42 [2018-04-05 17:31:51,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 17:31:51,435 INFO L225 Difference]: With dead ends: 460 [2018-04-05 17:31:51,435 INFO L226 Difference]: Without dead ends: 357 [2018-04-05 17:31:51,436 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 74 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=189, Unknown=0, NotChecked=0, Total=272 [2018-04-05 17:31:51,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2018-04-05 17:31:51,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 212. [2018-04-05 17:31:51,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2018-04-05 17:31:51,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 232 transitions. [2018-04-05 17:31:51,451 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 232 transitions. Word has length 42 [2018-04-05 17:31:51,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 17:31:51,451 INFO L459 AbstractCegarLoop]: Abstraction has 212 states and 232 transitions. [2018-04-05 17:31:51,451 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-05 17:31:51,451 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 232 transitions. [2018-04-05 17:31:51,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-04-05 17:31:51,452 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 17:31:51,453 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 17:31:51,453 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]=== [2018-04-05 17:31:51,453 INFO L82 PathProgramCache]: Analyzing trace with hash 1338989817, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 17:31:51,459 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 17:31:51,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-05 17:31:51,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-05 17:31:51,551 INFO L421 BasicCegarLoop]: Counterexample might be feasible [2018-04-05 17:31:51,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.04 05:31:51 BoogieIcfgContainer [2018-04-05 17:31:51,597 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-05 17:31:51,598 INFO L168 Benchmark]: Toolchain (without parser) took 4901.13 ms. Allocated memory was 307.8 MB in the beginning and 516.4 MB in the end (delta: 208.7 MB). Free memory was 244.0 MB in the beginning and 321.8 MB in the end (delta: -77.7 MB). Peak memory consumption was 130.9 MB. Max. memory is 5.3 GB. [2018-04-05 17:31:51,599 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 307.8 MB. Free memory is still 270.1 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-05 17:31:51,600 INFO L168 Benchmark]: CACSL2BoogieTranslator took 363.19 ms. Allocated memory is still 307.8 MB. Free memory was 244.0 MB in the beginning and 219.0 MB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 5.3 GB. [2018-04-05 17:31:51,600 INFO L168 Benchmark]: Boogie Preprocessor took 64.05 ms. Allocated memory is still 307.8 MB. Free memory was 219.0 MB in the beginning and 215.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 5.3 GB. [2018-04-05 17:31:51,601 INFO L168 Benchmark]: RCFGBuilder took 686.01 ms. Allocated memory was 307.8 MB in the beginning and 468.7 MB in the end (delta: 161.0 MB). Free memory was 215.9 MB in the beginning and 393.3 MB in the end (delta: -177.4 MB). Peak memory consumption was 18.7 MB. Max. memory is 5.3 GB. [2018-04-05 17:31:51,601 INFO L168 Benchmark]: TraceAbstraction took 3782.70 ms. Allocated memory was 468.7 MB in the beginning and 516.4 MB in the end (delta: 47.7 MB). Free memory was 391.9 MB in the beginning and 321.8 MB in the end (delta: 70.1 MB). Peak memory consumption was 117.8 MB. Max. memory is 5.3 GB. [2018-04-05 17:31:51,604 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 307.8 MB. Free memory is still 270.1 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 363.19 ms. Allocated memory is still 307.8 MB. Free memory was 244.0 MB in the beginning and 219.0 MB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 64.05 ms. Allocated memory is still 307.8 MB. Free memory was 219.0 MB in the beginning and 215.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 5.3 GB. * RCFGBuilder took 686.01 ms. Allocated memory was 307.8 MB in the beginning and 468.7 MB in the end (delta: 161.0 MB). Free memory was 215.9 MB in the beginning and 393.3 MB in the end (delta: -177.4 MB). Peak memory consumption was 18.7 MB. Max. memory is 5.3 GB. * TraceAbstraction took 3782.70 ms. Allocated memory was 468.7 MB in the beginning and 516.4 MB in the end (delta: 47.7 MB). Free memory was 391.9 MB in the beginning and 321.8 MB in the end (delta: 70.1 MB). Peak memory consumption was 117.8 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))={6:0}] [L629] a = (List) malloc(sizeof(struct node)) VAL [a={6:0}, malloc(sizeof(struct node))={6:0}] [L630] COND FALSE !(a == 0) VAL [a={6:0}, malloc(sizeof(struct node))={6:0}] [L631] p = a VAL [a={6:0}, malloc(sizeof(struct node))={6:0}, p={6:0}] [L632] int i = 0; VAL [a={6:0}, i=0, malloc(sizeof(struct node))={6:0}, p={6:0}] [L633] i < 20 && __VERIFIER_nondet_int() VAL [a={6:0}, i=0, i < 20 && __VERIFIER_nondet_int()=1, malloc(sizeof(struct node))={6:0}, p={6:0}] [L633] COND TRUE i < 20 && __VERIFIER_nondet_int() VAL [a={6:0}, i=0, i < 20 && __VERIFIER_nondet_int()=1, malloc(sizeof(struct node))={6:0}, p={6:0}] [L633] i < 20 && __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=0, a={6:0}, i=0, i < 20 && __VERIFIER_nondet_int()=0, malloc(sizeof(struct node))={6:0}, p={6:0}] [L633] COND FALSE !(i < 20 && __VERIFIER_nondet_int()) VAL [__VERIFIER_nondet_int()=0, a={6:0}, i=0, i < 20 && __VERIFIER_nondet_int()=0, malloc(sizeof(struct node))={6:0}, p={6:0}] [L646] FCALL p->h = 3 VAL [a={6:0}, i=0, malloc(sizeof(struct node))={6:0}, p={6:0}] [L647] p = a VAL [a={6:0}, i=0, malloc(sizeof(struct node))={6:0}, p={6:0}] [L648] EXPR, FCALL p->h VAL [a={6:0}, i=0, malloc(sizeof(struct node))={6:0}, p={6:0}, p->h=3] [L648] COND FALSE !(p->h != 3) VAL [a={6:0}, i=0, malloc(sizeof(struct node))={6:0}, p={6:0}, p->h=3] [L659] EXPR, FCALL p->h VAL [a={6:0}, i=0, malloc(sizeof(struct node))={6:0}, p={6:0}, p->h=3] [L659] COND FALSE !(p->h != 3 || i > 20) VAL [a={6:0}, i=0, malloc(sizeof(struct node))={6:0}, p={6:0}, p->h=3] [L661] p = a VAL [a={6:0}, i=0, malloc(sizeof(struct node))={6:0}, p={6:0}] [L662] EXPR, FCALL p->n VAL [a={6:0}, i=0, malloc(sizeof(struct node))={6:0}, p={6:0}, p->n={9:10}] [L662] COND TRUE p->n != 0 VAL [a={6:0}, i=0, malloc(sizeof(struct node))={6:0}, p={6:0}, p->n={9:10}] [L663] EXPR, FCALL p->n VAL [a={6:0}, i=0, malloc(sizeof(struct node))={6:0}, p={6:0}, p->n={9:10}] [L663] t = p->n VAL [a={6:0}, i=0, malloc(sizeof(struct node))={6:0}, p={6:0}, p->n={9:10}, t={9:10}] [L664] free(p) VAL [a={6:0}, i=0, malloc(sizeof(struct node))={6:0}, p={6:0}, t={9:10}] [L664] free(p) VAL [a={6:0}, i=0, malloc(sizeof(struct node))={6:0}, p={6:0}, t={9:10}] [L664] FCALL free(p) VAL [a={6:0}, i=0, malloc(sizeof(struct node))={6:0}, p={6:0}, t={9:10}] [L665] p = t VAL [a={6:0}, i=0, malloc(sizeof(struct node))={6:0}, p={9:10}, t={9:10}] [L662] FCALL p->n - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 135 locations, 35 error locations. UNSAFE Result, 3.7s OverallTime, 8 OverallIterations, 2 TraceHistogramMax, 2.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 751 SDtfs, 2144 SDslu, 2388 SDs, 0 SdLazy, 1032 SolverSat, 150 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 433 GetRequests, 372 SyntacticMatches, 1 SemanticMatches, 60 ConstructedPredicates, 3 IntricatePredicates, 1 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=222occurred in iteration=6, 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: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 448 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 253 NumberOfCodeBlocks, 253 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 402 ConstructedInterpolants, 6 QuantifiedInterpolants, 61810 SizeOfPredicates, 26 NumberOfNonLiveVariables, 584 ConjunctsInSsa, 61 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 8/8 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/list-ext_flag_false-unreach-call_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-05_17-31-51-615.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/list-ext_flag_false-unreach-call_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-05_17-31-51-615.csv Received shutdown request...