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/forester-heap/sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-4cf2d92 [2018-03-28 13:32:44,850 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-03-28 13:32:44,852 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-03-28 13:32:44,867 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-03-28 13:32:44,867 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-03-28 13:32:44,868 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-03-28 13:32:44,870 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-03-28 13:32:44,871 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-03-28 13:32:44,874 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-03-28 13:32:44,874 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-03-28 13:32:44,875 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-03-28 13:32:44,876 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-03-28 13:32:44,877 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-03-28 13:32:44,878 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-03-28 13:32:44,879 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-03-28 13:32:44,881 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-03-28 13:32:44,883 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-03-28 13:32:44,885 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-03-28 13:32:44,886 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-03-28 13:32:44,888 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-03-28 13:32:44,890 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-03-28 13:32:44,890 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-03-28 13:32:44,890 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-03-28 13:32:44,891 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-03-28 13:32:44,892 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-03-28 13:32:44,894 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-03-28 13:32:44,894 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-03-28 13:32:44,895 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-03-28 13:32:44,895 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-03-28 13:32:44,896 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-03-28 13:32:44,896 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-03-28 13:32:44,897 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 [2018-03-28 13:32:44,920 INFO L110 SettingsManager]: Loading preferences was successful [2018-03-28 13:32:44,920 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-03-28 13:32:44,921 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-03-28 13:32:44,921 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-03-28 13:32:44,921 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-03-28 13:32:44,922 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-03-28 13:32:44,922 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-03-28 13:32:44,922 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-03-28 13:32:44,922 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-03-28 13:32:44,923 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-03-28 13:32:44,923 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-03-28 13:32:44,923 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-03-28 13:32:44,923 INFO L133 SettingsManager]: * sizeof long=4 [2018-03-28 13:32:44,923 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-03-28 13:32:44,924 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-03-28 13:32:44,924 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-03-28 13:32:44,924 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-03-28 13:32:44,924 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-03-28 13:32:44,924 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-03-28 13:32:44,924 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-03-28 13:32:44,925 INFO L133 SettingsManager]: * sizeof long double=12 [2018-03-28 13:32:44,925 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-03-28 13:32:44,925 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-03-28 13:32:44,925 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-03-28 13:32:44,925 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-03-28 13:32:44,926 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-03-28 13:32:44,926 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-03-28 13:32:44,926 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-03-28 13:32:44,926 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-03-28 13:32:44,926 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-03-28 13:32:44,927 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-03-28 13:32:44,927 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 13:32:44,927 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-03-28 13:32:44,928 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-03-28 13:32:44,928 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-03-28 13:32:44,928 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-03-28 13:32:44,928 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-03-28 13:32:44,962 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-03-28 13:32:44,975 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-03-28 13:32:44,979 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-03-28 13:32:44,980 INFO L271 PluginConnector]: Initializing CDTParser... [2018-03-28 13:32:44,981 INFO L276 PluginConnector]: CDTParser initialized [2018-03-28 13:32:44,982 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,311 INFO L228 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG12a0e23c7 [2018-03-28 13:32:45,474 INFO L291 CDTParser]: IsIndexed: true [2018-03-28 13:32:45,474 INFO L292 CDTParser]: Found 1 translation units. [2018-03-28 13:32:45,475 INFO L171 CDTParser]: Scanning sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,485 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-03-28 13:32:45,486 INFO L215 ultiparseSymbolTable]: [2018-03-28 13:32:45,486 INFO L218 ultiparseSymbolTable]: Function table: [2018-03-28 13:32:45,486 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,486 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-03-28 13:32:45,486 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__int16_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,486 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i____dev_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,487 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i____fsblkcnt_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,487 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i____syscall_ulong_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,487 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i____qaddr_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,487 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i____id_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,487 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i____off64_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,487 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__pthread_rwlock_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,487 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i____u_char in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,488 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__pthread_key_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,488 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__u_quad_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,488 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__fd_set in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,488 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__uid_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,488 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__lldiv_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,488 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i____caddr_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,488 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__mode_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,489 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i____int32_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,489 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i____suseconds_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,489 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__u_int32_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,489 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i____pthread_slist_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,489 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i____fsfilcnt_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,489 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__pthread_mutexattr_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,489 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i____rlim64_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,490 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i____timer_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,490 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__fsblkcnt_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,490 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__u_int in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,490 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i____uint16_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,490 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i____blksize_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,490 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__int8_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,490 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i____off_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,491 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__fsfilcnt_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,491 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i____ino64_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,491 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i____ssize_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,491 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i____time_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,491 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__u_int64_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,491 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__ldiv_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,491 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i____blkcnt64_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,492 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__ushort in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,492 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i____syscall_slong_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,492 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__key_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,492 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__fd_mask in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,492 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__pthread_rwlockattr_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,492 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i____nlink_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,492 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__ino_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,492 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__pthread_mutex_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,492 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__idtype_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,492 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i____fsfilcnt64_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,492 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__int32_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,493 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__register_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,493 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__pthread_barrierattr_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,493 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__time_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,493 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i____blkcnt_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,493 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__Colour in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,493 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__dev_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,493 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__sigset_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,493 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__id_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,493 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i____int64_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,493 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__pthread_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,493 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i____uid_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,493 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__loff_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,494 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__u_int8_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,494 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i____fd_mask in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,494 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__nlink_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,494 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__uint in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,494 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i____u_int in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,494 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i____uint64_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,494 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__ssize_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,494 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i____fsword_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,494 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i____sig_atomic_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,494 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__pthread_attr_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,495 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__wchar_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,495 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i____useconds_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,495 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i____int8_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,495 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i____daddr_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,495 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__clockid_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,495 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i____clock_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,495 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__timer_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,495 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i____uint8_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,495 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i____key_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,496 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i____fsblkcnt64_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,496 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i____loff_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,496 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__fsid_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,496 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__pthread_condattr_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,496 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i____pid_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,496 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i____gid_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,496 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__int64_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,496 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i____mode_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,496 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i____quad_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,496 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__u_long in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,497 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i____u_quad_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,497 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__daddr_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,497 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i____intptr_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,497 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__size_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,497 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i____fsid_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,497 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__gid_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,497 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__pid_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,497 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__clock_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,497 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__pthread_barrier_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,498 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i____socklen_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,498 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__suseconds_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,498 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i____rlim_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,498 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i____u_short in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,498 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__u_int16_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,498 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__blkcnt_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,498 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__quad_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,498 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__ulong in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,498 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i____clockid_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,499 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i____u_long in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,499 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__div_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,499 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__caddr_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,499 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__pthread_cond_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,499 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__SLL in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,499 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__u_short in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,499 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__u_char in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,499 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__off_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,500 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i____uint32_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,500 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i____int16_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,500 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i____ino_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,500 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i____sigset_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,500 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__pthread_once_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,500 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__blksize_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,500 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___false_unreach_call_false_valid_deref_i__pthread_spinlock_t in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:45,517 INFO L334 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG12a0e23c7 [2018-03-28 13:32:45,522 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-03-28 13:32:45,526 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-03-28 13:32:45,527 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-03-28 13:32:45,527 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-03-28 13:32:45,531 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-03-28 13:32:45,532 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 01:32:45" (1/1) ... [2018-03-28 13:32:45,534 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@af36a29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:32:45, skipping insertion in model container [2018-03-28 13:32:45,535 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 01:32:45" (1/1) ... [2018-03-28 13:32:45,549 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-28 13:32:45,582 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-28 13:32:45,764 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-28 13:32:45,816 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-28 13:32:45,824 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 115 non ball SCCs. Number of states in SCCs 115. [2018-03-28 13:32:45,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:32:45 WrapperNode [2018-03-28 13:32:45,878 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-03-28 13:32:45,879 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-03-28 13:32:45,880 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-03-28 13:32:45,880 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-03-28 13:32:45,895 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:32:45" (1/1) ... [2018-03-28 13:32:45,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:32:45" (1/1) ... [2018-03-28 13:32:45,914 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:32:45" (1/1) ... [2018-03-28 13:32:45,914 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:32:45" (1/1) ... [2018-03-28 13:32:45,930 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:32:45" (1/1) ... [2018-03-28 13:32:45,937 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:32:45" (1/1) ... [2018-03-28 13:32:45,941 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:32:45" (1/1) ... [2018-03-28 13:32:45,946 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-03-28 13:32:45,947 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-03-28 13:32:45,947 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-03-28 13:32:45,947 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-03-28 13:32:45,948 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:32:45" (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 [2018-03-28 13:32:46,069 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-03-28 13:32:46,070 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-03-28 13:32:46,070 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-03-28 13:32:46,070 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-03-28 13:32:46,070 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-03-28 13:32:46,070 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-03-28 13:32:46,070 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-03-28 13:32:46,071 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-03-28 13:32:46,071 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-03-28 13:32:46,071 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-03-28 13:32:46,071 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-03-28 13:32:46,071 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-03-28 13:32:46,071 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-03-28 13:32:46,071 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-03-28 13:32:46,072 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-03-28 13:32:46,072 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-03-28 13:32:46,072 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-03-28 13:32:46,072 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-03-28 13:32:46,072 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-03-28 13:32:46,072 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-03-28 13:32:46,073 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-03-28 13:32:46,073 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-03-28 13:32:46,073 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-03-28 13:32:46,073 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-03-28 13:32:46,073 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-03-28 13:32:46,073 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-03-28 13:32:46,074 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-03-28 13:32:46,074 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-03-28 13:32:46,074 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-03-28 13:32:46,074 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-03-28 13:32:46,074 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-03-28 13:32:46,074 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-03-28 13:32:46,074 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-03-28 13:32:46,075 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-03-28 13:32:46,075 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-03-28 13:32:46,075 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-03-28 13:32:46,075 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-03-28 13:32:46,075 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-03-28 13:32:46,075 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-03-28 13:32:46,075 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-03-28 13:32:46,076 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-03-28 13:32:46,076 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-03-28 13:32:46,076 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-03-28 13:32:46,076 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-03-28 13:32:46,076 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-03-28 13:32:46,076 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-03-28 13:32:46,076 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-03-28 13:32:46,076 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-03-28 13:32:46,076 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-03-28 13:32:46,076 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-03-28 13:32:46,077 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-03-28 13:32:46,077 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-03-28 13:32:46,077 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-03-28 13:32:46,077 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-03-28 13:32:46,077 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-03-28 13:32:46,077 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-03-28 13:32:46,077 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-03-28 13:32:46,077 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-03-28 13:32:46,078 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-03-28 13:32:46,078 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-03-28 13:32:46,078 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-03-28 13:32:46,078 INFO L128 BoogieDeclarations]: Found specification of procedure aligned_alloc [2018-03-28 13:32:46,078 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-03-28 13:32:46,078 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-03-28 13:32:46,078 INFO L128 BoogieDeclarations]: Found specification of procedure at_quick_exit [2018-03-28 13:32:46,078 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-03-28 13:32:46,078 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-03-28 13:32:46,079 INFO L128 BoogieDeclarations]: Found specification of procedure quick_exit [2018-03-28 13:32:46,079 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-03-28 13:32:46,079 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-03-28 13:32:46,079 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-03-28 13:32:46,079 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-03-28 13:32:46,079 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-03-28 13:32:46,079 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-03-28 13:32:46,079 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-03-28 13:32:46,079 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-03-28 13:32:46,079 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-03-28 13:32:46,079 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-03-28 13:32:46,079 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-03-28 13:32:46,079 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-03-28 13:32:46,080 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-03-28 13:32:46,080 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-03-28 13:32:46,080 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-03-28 13:32:46,080 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-03-28 13:32:46,080 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-03-28 13:32:46,080 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-03-28 13:32:46,080 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-03-28 13:32:46,080 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-03-28 13:32:46,080 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-03-28 13:32:46,080 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-03-28 13:32:46,081 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-03-28 13:32:46,081 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-03-28 13:32:46,081 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-03-28 13:32:46,081 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-03-28 13:32:46,081 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-03-28 13:32:46,081 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-03-28 13:32:46,081 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-03-28 13:32:46,082 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-03-28 13:32:46,082 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-03-28 13:32:46,082 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-03-28 13:32:46,082 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-03-28 13:32:46,082 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-03-28 13:32:46,082 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-03-28 13:32:46,082 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-03-28 13:32:46,083 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-03-28 13:32:46,083 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-03-28 13:32:46,083 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-03-28 13:32:46,083 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-03-28 13:32:46,083 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-03-28 13:32:46,083 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-03-28 13:32:46,083 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-03-28 13:32:46,083 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-03-28 13:32:46,084 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-03-28 13:32:46,084 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-03-28 13:32:46,084 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-03-28 13:32:46,084 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-03-28 13:32:46,084 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-03-28 13:32:46,084 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-03-28 13:32:46,621 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-03-28 13:32:46,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 01:32:46 BoogieIcfgContainer [2018-03-28 13:32:46,622 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-03-28 13:32:46,626 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-03-28 13:32:46,627 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-03-28 13:32:46,630 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-03-28 13:32:46,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 01:32:45" (1/3) ... [2018-03-28 13:32:46,631 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d7b93b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 01:32:46, skipping insertion in model container [2018-03-28 13:32:46,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:32:45" (2/3) ... [2018-03-28 13:32:46,632 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d7b93b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 01:32:46, skipping insertion in model container [2018-03-28 13:32:46,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 01:32:46" (3/3) ... [2018-03-28 13:32:46,636 INFO L107 eAbstractionObserver]: Analyzing ICFG sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-28 13:32:46,646 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-03-28 13:32:46,654 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 49 error locations. [2018-03-28 13:32:46,691 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-03-28 13:32:46,692 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-03-28 13:32:46,692 INFO L370 AbstractCegarLoop]: Hoare is true [2018-03-28 13:32:46,692 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-03-28 13:32:46,692 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-03-28 13:32:46,692 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-03-28 13:32:46,692 INFO L374 AbstractCegarLoop]: Difference is false [2018-03-28 13:32:46,693 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-03-28 13:32:46,693 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-03-28 13:32:46,693 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-03-28 13:32:46,708 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states. [2018-03-28 13:32:46,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-03-28 13:32:46,715 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:32:46,716 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 13:32:46,716 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr47AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr46AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr39AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr48EnsuresViolationMEMORY_LEAK, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr38AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-03-28 13:32:46,721 INFO L82 PathProgramCache]: Analyzing trace with hash 1423226413, 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 [2018-03-28 13:32:46,744 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:32:46,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 13:32:46,777 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 13:32:46,818 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 [2018-03-28 13:32:46,819 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:32:46,824 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:32:46,824 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-28 13:32:46,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:32:46,834 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 13:32:46,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:32:46,863 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 13:32:46,863 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-03-28 13:32:46,865 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-03-28 13:32:46,874 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-03-28 13:32:46,875 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-03-28 13:32:46,876 INFO L87 Difference]: Start difference. First operand 149 states. Second operand 4 states. [2018-03-28 13:32:47,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 13:32:47,152 INFO L93 Difference]: Finished difference Result 264 states and 307 transitions. [2018-03-28 13:32:47,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-03-28 13:32:47,154 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2018-03-28 13:32:47,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 13:32:47,167 INFO L225 Difference]: With dead ends: 264 [2018-03-28 13:32:47,167 INFO L226 Difference]: Without dead ends: 161 [2018-03-28 13:32:47,171 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-03-28 13:32:47,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2018-03-28 13:32:47,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 138. [2018-03-28 13:32:47,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-03-28 13:32:47,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 145 transitions. [2018-03-28 13:32:47,220 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 145 transitions. Word has length 9 [2018-03-28 13:32:47,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 13:32:47,221 INFO L459 AbstractCegarLoop]: Abstraction has 138 states and 145 transitions. [2018-03-28 13:32:47,221 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-03-28 13:32:47,221 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 145 transitions. [2018-03-28 13:32:47,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-03-28 13:32:47,222 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:32:47,222 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 13:32:47,222 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr47AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr46AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr39AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr48EnsuresViolationMEMORY_LEAK, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr38AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-03-28 13:32:47,222 INFO L82 PathProgramCache]: Analyzing trace with hash 1423226414, 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 [2018-03-28 13:32:47,235 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:32:47,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 13:32:47,247 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 13:32:47,258 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 [2018-03-28 13:32:47,259 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:32:47,262 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:32:47,263 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-28 13:32:47,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:32:47,275 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 13:32:47,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:32:47,332 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 13:32:47,332 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2018-03-28 13:32:47,333 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-03-28 13:32:47,334 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-03-28 13:32:47,334 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-03-28 13:32:47,334 INFO L87 Difference]: Start difference. First operand 138 states and 145 transitions. Second operand 6 states. [2018-03-28 13:32:47,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 13:32:47,517 INFO L93 Difference]: Finished difference Result 166 states and 172 transitions. [2018-03-28 13:32:47,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-03-28 13:32:47,517 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 9 [2018-03-28 13:32:47,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 13:32:47,519 INFO L225 Difference]: With dead ends: 166 [2018-03-28 13:32:47,519 INFO L226 Difference]: Without dead ends: 159 [2018-03-28 13:32:47,520 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2018-03-28 13:32:47,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2018-03-28 13:32:47,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 147. [2018-03-28 13:32:47,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-03-28 13:32:47,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 154 transitions. [2018-03-28 13:32:47,530 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 154 transitions. Word has length 9 [2018-03-28 13:32:47,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 13:32:47,531 INFO L459 AbstractCegarLoop]: Abstraction has 147 states and 154 transitions. [2018-03-28 13:32:47,531 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-03-28 13:32:47,531 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 154 transitions. [2018-03-28 13:32:47,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-03-28 13:32:47,532 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:32:47,532 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 13:32:47,532 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr47AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr46AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr39AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr48EnsuresViolationMEMORY_LEAK, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr38AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-03-28 13:32:47,533 INFO L82 PathProgramCache]: Analyzing trace with hash 50515860, 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 [2018-03-28 13:32:47,540 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:32:47,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 13:32:47,557 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 13:32:47,581 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:32:47,582 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:32:47,583 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-03-28 13:32:47,584 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:32:47,590 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 13:32:47,590 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:15 [2018-03-28 13:32:47,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:32:47,614 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 13:32:47,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:32:47,708 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 13:32:47,709 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2018-03-28 13:32:47,709 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-03-28 13:32:47,709 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-03-28 13:32:47,709 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-03-28 13:32:47,710 INFO L87 Difference]: Start difference. First operand 147 states and 154 transitions. Second operand 7 states. [2018-03-28 13:32:48,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 13:32:48,047 INFO L93 Difference]: Finished difference Result 172 states and 180 transitions. [2018-03-28 13:32:48,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-03-28 13:32:48,047 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2018-03-28 13:32:48,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 13:32:48,049 INFO L225 Difference]: With dead ends: 172 [2018-03-28 13:32:48,049 INFO L226 Difference]: Without dead ends: 159 [2018-03-28 13:32:48,050 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2018-03-28 13:32:48,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2018-03-28 13:32:48,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 141. [2018-03-28 13:32:48,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-03-28 13:32:48,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 151 transitions. [2018-03-28 13:32:48,060 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 151 transitions. Word has length 17 [2018-03-28 13:32:48,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 13:32:48,060 INFO L459 AbstractCegarLoop]: Abstraction has 141 states and 151 transitions. [2018-03-28 13:32:48,060 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-03-28 13:32:48,060 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 151 transitions. [2018-03-28 13:32:48,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-03-28 13:32:48,061 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:32:48,061 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 13:32:48,061 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr47AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr46AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr39AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr48EnsuresViolationMEMORY_LEAK, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr38AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-03-28 13:32:48,061 INFO L82 PathProgramCache]: Analyzing trace with hash 50515861, 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 [2018-03-28 13:32:48,080 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:32:48,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 13:32:48,099 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 13:32:48,148 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:32:48,151 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 14 treesize of output 17 [2018-03-28 13:32:48,152 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:32:48,168 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:32:48,169 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:32:48,170 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-03-28 13:32:48,170 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:32:48,180 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 13:32:48,180 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:27, output treesize:20 [2018-03-28 13:32:48,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:32:48,199 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 13:32:48,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:32:48,293 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 13:32:48,293 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2018-03-28 13:32:48,293 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-03-28 13:32:48,293 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-03-28 13:32:48,293 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-03-28 13:32:48,294 INFO L87 Difference]: Start difference. First operand 141 states and 151 transitions. Second operand 8 states. [2018-03-28 13:32:48,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 13:32:48,567 INFO L93 Difference]: Finished difference Result 183 states and 194 transitions. [2018-03-28 13:32:48,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-03-28 13:32:48,567 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2018-03-28 13:32:48,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 13:32:48,569 INFO L225 Difference]: With dead ends: 183 [2018-03-28 13:32:48,569 INFO L226 Difference]: Without dead ends: 176 [2018-03-28 13:32:48,570 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2018-03-28 13:32:48,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2018-03-28 13:32:48,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 142. [2018-03-28 13:32:48,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-03-28 13:32:48,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 153 transitions. [2018-03-28 13:32:48,581 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 153 transitions. Word has length 17 [2018-03-28 13:32:48,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 13:32:48,581 INFO L459 AbstractCegarLoop]: Abstraction has 142 states and 153 transitions. [2018-03-28 13:32:48,581 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-03-28 13:32:48,581 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 153 transitions. [2018-03-28 13:32:48,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-03-28 13:32:48,582 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:32:48,582 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] [2018-03-28 13:32:48,582 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr47AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr46AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr39AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr48EnsuresViolationMEMORY_LEAK, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr38AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-03-28 13:32:48,583 INFO L82 PathProgramCache]: Analyzing trace with hash 522746136, 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 [2018-03-28 13:32:48,591 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:32:48,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 13:32:48,608 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 13:32:48,611 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 [2018-03-28 13:32:48,611 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:32:48,612 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:32:48,613 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-28 13:32:48,618 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 [2018-03-28 13:32:48,620 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 [2018-03-28 13:32:48,620 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:32:48,621 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:32:48,624 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:32:48,624 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:17, output treesize:9 [2018-03-28 13:32:48,629 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 17 treesize of output 13 [2018-03-28 13:32:48,631 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 13 treesize of output 5 [2018-03-28 13:32:48,631 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:32:48,632 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:32:48,633 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:32:48,633 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:17, output treesize:5 [2018-03-28 13:32:48,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:32:48,643 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 13:32:48,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:32:48,668 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 13:32:48,669 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2018-03-28 13:32:48,669 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-03-28 13:32:48,669 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-03-28 13:32:48,669 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-03-28 13:32:48,669 INFO L87 Difference]: Start difference. First operand 142 states and 153 transitions. Second operand 6 states. [2018-03-28 13:32:48,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 13:32:48,888 INFO L93 Difference]: Finished difference Result 249 states and 266 transitions. [2018-03-28 13:32:48,889 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-03-28 13:32:48,889 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2018-03-28 13:32:48,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 13:32:48,891 INFO L225 Difference]: With dead ends: 249 [2018-03-28 13:32:48,891 INFO L226 Difference]: Without dead ends: 248 [2018-03-28 13:32:48,891 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2018-03-28 13:32:48,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2018-03-28 13:32:48,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 141. [2018-03-28 13:32:48,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-03-28 13:32:48,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 152 transitions. [2018-03-28 13:32:48,900 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 152 transitions. Word has length 21 [2018-03-28 13:32:48,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 13:32:48,900 INFO L459 AbstractCegarLoop]: Abstraction has 141 states and 152 transitions. [2018-03-28 13:32:48,901 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-03-28 13:32:48,901 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 152 transitions. [2018-03-28 13:32:48,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-03-28 13:32:48,901 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:32:48,901 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] [2018-03-28 13:32:48,902 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr47AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr46AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr39AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr48EnsuresViolationMEMORY_LEAK, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr38AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-03-28 13:32:48,902 INFO L82 PathProgramCache]: Analyzing trace with hash 522746137, 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 [2018-03-28 13:32:48,914 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:32:48,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 13:32:48,932 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 13:32:48,938 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 [2018-03-28 13:32:48,938 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:32:48,942 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:32:48,943 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-28 13:32:48,962 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 [2018-03-28 13:32:48,965 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 [2018-03-28 13:32:48,965 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:32:48,967 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:32:48,980 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 [2018-03-28 13:32:48,982 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 [2018-03-28 13:32:48,982 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 13:32:48,984 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:32:48,988 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:32:48,989 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:28, output treesize:17 [2018-03-28 13:32:48,998 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 17 treesize of output 13 [2018-03-28 13:32:49,000 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 13 treesize of output 5 [2018-03-28 13:32:49,000 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:32:49,001 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:32:49,006 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 [2018-03-28 13:32:49,008 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 [2018-03-28 13:32:49,008 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 13:32:49,009 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:32:49,012 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:32:49,012 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:31, output treesize:9 [2018-03-28 13:32:49,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:32:49,027 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 13:32:49,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:32:49,087 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 13:32:49,087 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2018-03-28 13:32:49,087 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-03-28 13:32:49,087 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-03-28 13:32:49,087 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2018-03-28 13:32:49,087 INFO L87 Difference]: Start difference. First operand 141 states and 152 transitions. Second operand 10 states. [2018-03-28 13:32:49,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 13:32:49,434 INFO L93 Difference]: Finished difference Result 291 states and 315 transitions. [2018-03-28 13:32:49,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-03-28 13:32:49,434 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 21 [2018-03-28 13:32:49,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 13:32:49,435 INFO L225 Difference]: With dead ends: 291 [2018-03-28 13:32:49,435 INFO L226 Difference]: Without dead ends: 288 [2018-03-28 13:32:49,436 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2018-03-28 13:32:49,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2018-03-28 13:32:49,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 138. [2018-03-28 13:32:49,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-03-28 13:32:49,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 149 transitions. [2018-03-28 13:32:49,442 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 149 transitions. Word has length 21 [2018-03-28 13:32:49,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 13:32:49,442 INFO L459 AbstractCegarLoop]: Abstraction has 138 states and 149 transitions. [2018-03-28 13:32:49,443 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-03-28 13:32:49,443 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 149 transitions. [2018-03-28 13:32:49,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-03-28 13:32:49,443 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:32:49,443 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] [2018-03-28 13:32:49,443 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr47AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr46AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr39AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr48EnsuresViolationMEMORY_LEAK, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr38AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-03-28 13:32:49,443 INFO L82 PathProgramCache]: Analyzing trace with hash 1834458783, 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 [2018-03-28 13:32:49,449 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:32:49,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 13:32:49,461 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 13:32:49,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:32:49,482 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 13:32:49,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:32:49,525 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 13:32:49,525 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 3] imperfect sequences [] total 7 [2018-03-28 13:32:49,526 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-03-28 13:32:49,526 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-03-28 13:32:49,526 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-03-28 13:32:49,526 INFO L87 Difference]: Start difference. First operand 138 states and 149 transitions. Second operand 8 states. [2018-03-28 13:32:49,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 13:32:49,742 INFO L93 Difference]: Finished difference Result 186 states and 196 transitions. [2018-03-28 13:32:49,742 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-03-28 13:32:49,742 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2018-03-28 13:32:49,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 13:32:49,744 INFO L225 Difference]: With dead ends: 186 [2018-03-28 13:32:49,744 INFO L226 Difference]: Without dead ends: 184 [2018-03-28 13:32:49,744 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2018-03-28 13:32:49,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2018-03-28 13:32:49,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 137. [2018-03-28 13:32:49,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-03-28 13:32:49,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 147 transitions. [2018-03-28 13:32:49,753 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 147 transitions. Word has length 22 [2018-03-28 13:32:49,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 13:32:49,753 INFO L459 AbstractCegarLoop]: Abstraction has 137 states and 147 transitions. [2018-03-28 13:32:49,753 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-03-28 13:32:49,753 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 147 transitions. [2018-03-28 13:32:49,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-03-28 13:32:49,754 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:32:49,755 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] [2018-03-28 13:32:49,755 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr47AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr46AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr39AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr48EnsuresViolationMEMORY_LEAK, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr38AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-03-28 13:32:49,755 INFO L82 PathProgramCache]: Analyzing trace with hash -1033319496, 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 [2018-03-28 13:32:49,764 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:32:49,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 13:32:49,781 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 13:32:49,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:32:49,803 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 13:32:49,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:32:49,829 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 13:32:49,829 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-03-28 13:32:49,830 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-03-28 13:32:49,830 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-03-28 13:32:49,830 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-03-28 13:32:49,830 INFO L87 Difference]: Start difference. First operand 137 states and 147 transitions. Second operand 3 states. [2018-03-28 13:32:49,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 13:32:49,871 INFO L93 Difference]: Finished difference Result 194 states and 206 transitions. [2018-03-28 13:32:49,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-03-28 13:32:49,872 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2018-03-28 13:32:49,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 13:32:49,873 INFO L225 Difference]: With dead ends: 194 [2018-03-28 13:32:49,873 INFO L226 Difference]: Without dead ends: 143 [2018-03-28 13:32:49,873 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-03-28 13:32:49,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-03-28 13:32:49,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 137. [2018-03-28 13:32:49,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-03-28 13:32:49,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 146 transitions. [2018-03-28 13:32:49,880 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 146 transitions. Word has length 31 [2018-03-28 13:32:49,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 13:32:49,880 INFO L459 AbstractCegarLoop]: Abstraction has 137 states and 146 transitions. [2018-03-28 13:32:49,880 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-03-28 13:32:49,881 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 146 transitions. [2018-03-28 13:32:49,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-03-28 13:32:49,882 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:32:49,882 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] [2018-03-28 13:32:49,882 INFO L408 AbstractCegarLoop]: === Iteration 9 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr47AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr46AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr39AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr48EnsuresViolationMEMORY_LEAK, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr38AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-03-28 13:32:49,882 INFO L82 PathProgramCache]: Analyzing trace with hash 278576263, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 13:32:49,892 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:32:49,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 13:32:49,919 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 13:32:49,925 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 [2018-03-28 13:32:49,926 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:32:49,927 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:32:49,928 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-28 13:32:49,936 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 [2018-03-28 13:32:49,938 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 [2018-03-28 13:32:49,938 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:32:49,941 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:32:49,946 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:32:49,946 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:17, output treesize:9 [2018-03-28 13:32:49,954 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 17 treesize of output 13 [2018-03-28 13:32:49,956 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 13 treesize of output 5 [2018-03-28 13:32:49,957 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:32:49,958 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:32:49,960 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:32:49,960 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:17, output treesize:5 [2018-03-28 13:32:49,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:32:49,973 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 13:32:49,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:32:50,031 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 13:32:50,032 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2018-03-28 13:32:50,032 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-03-28 13:32:50,032 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-03-28 13:32:50,032 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-03-28 13:32:50,032 INFO L87 Difference]: Start difference. First operand 137 states and 146 transitions. Second operand 6 states. [2018-03-28 13:32:50,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 13:32:50,292 INFO L93 Difference]: Finished difference Result 234 states and 249 transitions. [2018-03-28 13:32:50,292 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-03-28 13:32:50,292 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2018-03-28 13:32:50,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 13:32:50,293 INFO L225 Difference]: With dead ends: 234 [2018-03-28 13:32:50,293 INFO L226 Difference]: Without dead ends: 233 [2018-03-28 13:32:50,294 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2018-03-28 13:32:50,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2018-03-28 13:32:50,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 136. [2018-03-28 13:32:50,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-03-28 13:32:50,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 145 transitions. [2018-03-28 13:32:50,301 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 145 transitions. Word has length 31 [2018-03-28 13:32:50,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 13:32:50,301 INFO L459 AbstractCegarLoop]: Abstraction has 136 states and 145 transitions. [2018-03-28 13:32:50,301 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-03-28 13:32:50,301 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 145 transitions. [2018-03-28 13:32:50,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-03-28 13:32:50,302 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:32:50,302 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] [2018-03-28 13:32:50,302 INFO L408 AbstractCegarLoop]: === Iteration 10 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr47AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr46AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr39AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr48EnsuresViolationMEMORY_LEAK, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr38AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-03-28 13:32:50,303 INFO L82 PathProgramCache]: Analyzing trace with hash 278576264, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 13:32:50,311 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:32:50,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 13:32:50,335 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 13:32:50,341 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 [2018-03-28 13:32:50,341 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:32:50,344 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:32:50,344 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-28 13:32:50,356 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 [2018-03-28 13:32:50,358 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 [2018-03-28 13:32:50,358 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:32:50,361 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:32:50,368 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 [2018-03-28 13:32:50,369 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 [2018-03-28 13:32:50,370 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 13:32:50,371 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:32:50,375 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:32:50,375 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:28, output treesize:17 [2018-03-28 13:32:50,383 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 17 treesize of output 13 [2018-03-28 13:32:50,384 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 13 treesize of output 5 [2018-03-28 13:32:50,385 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:32:50,386 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:32:50,392 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 [2018-03-28 13:32:50,405 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 [2018-03-28 13:32:50,406 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 13:32:50,407 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:32:50,412 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:32:50,412 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:31, output treesize:9 [2018-03-28 13:32:50,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:32:50,435 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 13:32:50,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:32:50,518 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 13:32:50,518 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2018-03-28 13:32:50,518 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-03-28 13:32:50,519 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-03-28 13:32:50,519 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2018-03-28 13:32:50,519 INFO L87 Difference]: Start difference. First operand 136 states and 145 transitions. Second operand 10 states. [2018-03-28 13:32:50,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 13:32:50,864 INFO L93 Difference]: Finished difference Result 304 states and 326 transitions. [2018-03-28 13:32:50,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-03-28 13:32:50,864 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 31 [2018-03-28 13:32:50,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 13:32:50,866 INFO L225 Difference]: With dead ends: 304 [2018-03-28 13:32:50,866 INFO L226 Difference]: Without dead ends: 302 [2018-03-28 13:32:50,867 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2018-03-28 13:32:50,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2018-03-28 13:32:50,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 134. [2018-03-28 13:32:50,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-03-28 13:32:50,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 143 transitions. [2018-03-28 13:32:50,875 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 143 transitions. Word has length 31 [2018-03-28 13:32:50,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 13:32:50,875 INFO L459 AbstractCegarLoop]: Abstraction has 134 states and 143 transitions. [2018-03-28 13:32:50,875 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-03-28 13:32:50,875 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 143 transitions. [2018-03-28 13:32:50,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-03-28 13:32:50,877 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:32:50,877 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] [2018-03-28 13:32:50,877 INFO L408 AbstractCegarLoop]: === Iteration 11 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr47AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr46AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr39AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr48EnsuresViolationMEMORY_LEAK, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr38AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-03-28 13:32:50,877 INFO L82 PathProgramCache]: Analyzing trace with hash -398006643, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 13:32:50,892 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:32:50,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-03-28 13:32:50,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-03-28 13:32:50,970 INFO L421 BasicCegarLoop]: Counterexample might be feasible [2018-03-28 13:32:51,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 01:32:51 BoogieIcfgContainer [2018-03-28 13:32:51,003 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-03-28 13:32:51,004 INFO L168 Benchmark]: Toolchain (without parser) took 5481.22 ms. Allocated memory was 304.6 MB in the beginning and 562.0 MB in the end (delta: 257.4 MB). Free memory was 238.7 MB in the beginning and 499.4 MB in the end (delta: -260.8 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-03-28 13:32:51,005 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 304.6 MB. Free memory is still 266.6 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-03-28 13:32:51,006 INFO L168 Benchmark]: CACSL2BoogieTranslator took 352.47 ms. Allocated memory is still 304.6 MB. Free memory was 237.7 MB in the beginning and 210.7 MB in the end (delta: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 5.3 GB. [2018-03-28 13:32:51,006 INFO L168 Benchmark]: Boogie Preprocessor took 67.00 ms. Allocated memory is still 304.6 MB. Free memory was 210.7 MB in the beginning and 207.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. [2018-03-28 13:32:51,007 INFO L168 Benchmark]: RCFGBuilder took 675.17 ms. Allocated memory was 304.6 MB in the beginning and 462.4 MB in the end (delta: 157.8 MB). Free memory was 207.7 MB in the beginning and 385.0 MB in the end (delta: -177.3 MB). Peak memory consumption was 22.1 MB. Max. memory is 5.3 GB. [2018-03-28 13:32:51,007 INFO L168 Benchmark]: TraceAbstraction took 4376.74 ms. Allocated memory was 462.4 MB in the beginning and 562.0 MB in the end (delta: 99.6 MB). Free memory was 383.6 MB in the beginning and 499.4 MB in the end (delta: -115.8 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-03-28 13:32:51,009 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 304.6 MB. Free memory is still 266.6 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 352.47 ms. Allocated memory is still 304.6 MB. Free memory was 237.7 MB in the beginning and 210.7 MB in the end (delta: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 67.00 ms. Allocated memory is still 304.6 MB. Free memory was 210.7 MB in the beginning and 207.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 675.17 ms. Allocated memory was 304.6 MB in the beginning and 462.4 MB in the end (delta: 157.8 MB). Free memory was 207.7 MB in the beginning and 385.0 MB in the end (delta: -177.3 MB). Peak memory consumption was 22.1 MB. Max. memory is 5.3 GB. * TraceAbstraction took 4376.74 ms. Allocated memory was 462.4 MB in the beginning and 562.0 MB in the end (delta: 99.6 MB). Free memory was 383.6 MB in the beginning and 499.4 MB in the end (delta: -115.8 MB). There was no memory consumed. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1035]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L995] EXPR, FCALL malloc(sizeof(SLL)) VAL [malloc(sizeof(SLL))={17:0}] [L995] SLL* list = malloc(sizeof(SLL)); VAL [list={17:0}, malloc(sizeof(SLL))={17:0}] [L996] FCALL list->next = ((void*)0) VAL [list={17:0}, malloc(sizeof(SLL))={17:0}] [L997] FCALL list->colour = BLACK VAL [list={17:0}, malloc(sizeof(SLL))={17:0}] [L999] SLL* end = list; VAL [end={17:0}, list={17:0}, malloc(sizeof(SLL))={17:0}] [L1002] COND FALSE !(__VERIFIER_nondet_int()) VAL [__VERIFIER_nondet_int()=0, end={17:0}, list={17:0}, malloc(sizeof(SLL))={17:0}] [L1023] end = ((void*)0) VAL [end={0:0}, list={17:0}, malloc(sizeof(SLL))={17:0}] [L1024] end = list VAL [end={17:0}, list={17:0}, malloc(sizeof(SLL))={17:0}] [L1027] COND FALSE !(!(((void*)0) != end)) VAL [end={17:0}, list={17:0}, malloc(sizeof(SLL))={17:0}] [L1027] COND FALSE !(0) VAL [end={17:0}, list={17:0}, malloc(sizeof(SLL))={17:0}] [L1028] EXPR, FCALL end->colour VAL [end={17:0}, end->colour=0, list={17:0}, malloc(sizeof(SLL))={17:0}] [L1028] COND FALSE !(!(BLACK == end->colour)) VAL [end={17:0}, end->colour=0, list={17:0}, malloc(sizeof(SLL))={17:0}] [L1028] COND FALSE !(0) VAL [end={17:0}, list={17:0}, malloc(sizeof(SLL))={17:0}] [L1030] COND TRUE ((void*)0) != end VAL [end={17:0}, list={17:0}, malloc(sizeof(SLL))={17:0}] [L1032] EXPR, FCALL end->colour VAL [end={17:0}, end->colour=0, list={17:0}, malloc(sizeof(SLL))={17:0}] [L1032] COND TRUE RED == end->colour VAL [end={17:0}, end->colour=0, list={17:0}, malloc(sizeof(SLL))={17:0}] [L1034] EXPR, FCALL end->next VAL [end={17:0}, end->next={0:0}, list={17:0}, malloc(sizeof(SLL))={17:0}] [L1034] end = end->next VAL [end={0:0}, end->next={0:0}, list={17:0}, malloc(sizeof(SLL))={17:0}] [L1035] FCALL end->next - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 149 locations, 49 error locations. UNSAFE Result, 4.3s OverallTime, 11 OverallIterations, 1 TraceHistogramMax, 2.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1209 SDtfs, 2551 SDslu, 2849 SDs, 0 SdLazy, 2384 SolverSat, 164 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 448 GetRequests, 366 SyntacticMatches, 1 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=149occurred in iteration=0, 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, 10 MinimizatonAttempts, 662 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 243 NumberOfCodeBlocks, 243 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 398 ConstructedInterpolants, 16 QuantifiedInterpolants, 34860 SizeOfPredicates, 58 NumberOfNonLiveVariables, 840 ConjunctsInSsa, 91 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 PerfectInterpolantSequences, 0/0 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/sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-03-28_13-32-51-019.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-03-28_13-32-51-019.csv Received shutdown request...