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_Camel+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-d4a2356 [2018-03-23 12:00:42,754 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-03-23 12:00:42,755 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-03-23 12:00:42,771 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-03-23 12:00:42,772 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-03-23 12:00:42,773 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-03-23 12:00:42,774 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-03-23 12:00:42,776 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-03-23 12:00:42,778 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-03-23 12:00:42,779 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-03-23 12:00:42,780 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-03-23 12:00:42,780 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-03-23 12:00:42,781 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-03-23 12:00:42,782 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-03-23 12:00:42,783 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-03-23 12:00:42,786 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-03-23 12:00:42,788 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-03-23 12:00:42,790 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-03-23 12:00:42,791 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-03-23 12:00:42,793 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-03-23 12:00:42,795 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-03-23 12:00:42,795 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-03-23 12:00:42,795 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-03-23 12:00:42,796 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-03-23 12:00:42,797 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-03-23 12:00:42,799 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-03-23 12:00:42,799 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-03-23 12:00:42,800 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-03-23 12:00:42,800 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-03-23 12:00:42,801 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-03-23 12:00:42,801 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-03-23 12:00:42,802 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf [2018-03-23 12:00:42,811 INFO L110 SettingsManager]: Loading preferences was successful [2018-03-23 12:00:42,812 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-03-23 12:00:42,812 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-03-23 12:00:42,813 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-03-23 12:00:42,813 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-03-23 12:00:42,813 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-03-23 12:00:42,813 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-03-23 12:00:42,814 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-03-23 12:00:42,814 INFO L133 SettingsManager]: * sizeof long=4 [2018-03-23 12:00:42,814 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-03-23 12:00:42,815 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-03-23 12:00:42,815 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-03-23 12:00:42,815 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-03-23 12:00:42,815 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-03-23 12:00:42,815 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-03-23 12:00:42,816 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-03-23 12:00:42,816 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-03-23 12:00:42,816 INFO L133 SettingsManager]: * sizeof long double=12 [2018-03-23 12:00:42,816 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-03-23 12:00:42,816 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-03-23 12:00:42,817 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-03-23 12:00:42,817 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-03-23 12:00:42,817 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-03-23 12:00:42,817 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-03-23 12:00:42,817 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-03-23 12:00:42,818 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-03-23 12:00:42,818 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-03-23 12:00:42,818 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-03-23 12:00:42,818 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-03-23 12:00:42,818 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-03-23 12:00:42,819 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-23 12:00:42,819 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-03-23 12:00:42,820 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-03-23 12:00:42,820 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-03-23 12:00:42,855 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-03-23 12:00:42,869 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-03-23 12:00:42,873 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-03-23 12:00:42,875 INFO L271 PluginConnector]: Initializing CDTParser... [2018-03-23 12:00:42,875 INFO L276 PluginConnector]: CDTParser initialized [2018-03-23 12:00:42,876 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 [2018-03-23 12:00:43,195 INFO L228 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG42fe092bd [2018-03-23 12:00:43,395 INFO L291 CDTParser]: IsIndexed: true [2018-03-23 12:00:43,396 INFO L292 CDTParser]: Found 1 translation units. [2018-03-23 12:00:43,396 INFO L171 CDTParser]: Scanning sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-23 12:00:43,408 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-03-23 12:00:43,408 INFO L215 ultiparseSymbolTable]: [2018-03-23 12:00:43,408 INFO L218 ultiparseSymbolTable]: Function table: [2018-03-23 12:00:43,409 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-23 12:00:43,409 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-03-23 12:00:43,409 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 [2018-03-23 12:00:43,409 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 [2018-03-23 12:00:43,409 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 [2018-03-23 12:00:43,409 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 [2018-03-23 12:00:43,409 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 [2018-03-23 12:00:43,409 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 [2018-03-23 12:00:43,410 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 [2018-03-23 12:00:43,410 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 [2018-03-23 12:00:43,410 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 [2018-03-23 12:00:43,410 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 [2018-03-23 12:00:43,410 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 [2018-03-23 12:00:43,410 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 [2018-03-23 12:00:43,410 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 [2018-03-23 12:00:43,410 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 [2018-03-23 12:00:43,410 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 [2018-03-23 12:00:43,410 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 [2018-03-23 12:00:43,410 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 [2018-03-23 12:00:43,410 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 [2018-03-23 12:00:43,410 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 [2018-03-23 12:00:43,411 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 [2018-03-23 12:00:43,411 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 [2018-03-23 12:00:43,411 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 [2018-03-23 12:00:43,411 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 [2018-03-23 12:00:43,411 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 [2018-03-23 12:00:43,411 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 [2018-03-23 12:00:43,411 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 [2018-03-23 12:00:43,411 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 [2018-03-23 12:00:43,412 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 [2018-03-23 12:00:43,412 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 [2018-03-23 12:00:43,412 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 [2018-03-23 12:00:43,412 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 [2018-03-23 12:00:43,412 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 [2018-03-23 12:00:43,412 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 [2018-03-23 12:00:43,412 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 [2018-03-23 12:00:43,412 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 [2018-03-23 12:00:43,413 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 [2018-03-23 12:00:43,413 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 [2018-03-23 12:00:43,413 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 [2018-03-23 12:00:43,413 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 [2018-03-23 12:00:43,413 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 [2018-03-23 12:00:43,413 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 [2018-03-23 12:00:43,413 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 [2018-03-23 12:00:43,413 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 [2018-03-23 12:00:43,413 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 [2018-03-23 12:00:43,414 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 [2018-03-23 12:00:43,414 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 [2018-03-23 12:00:43,414 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 [2018-03-23 12:00:43,414 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 [2018-03-23 12:00:43,414 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 [2018-03-23 12:00:43,414 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 [2018-03-23 12:00:43,415 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 [2018-03-23 12:00:43,415 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 [2018-03-23 12:00:43,415 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 [2018-03-23 12:00:43,415 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 [2018-03-23 12:00:43,415 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 [2018-03-23 12:00:43,415 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 [2018-03-23 12:00:43,415 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 [2018-03-23 12:00:43,415 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 [2018-03-23 12:00:43,415 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 [2018-03-23 12:00:43,416 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 [2018-03-23 12:00:43,416 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 [2018-03-23 12:00:43,416 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 [2018-03-23 12:00:43,416 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 [2018-03-23 12:00:43,416 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 [2018-03-23 12:00:43,416 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 [2018-03-23 12:00:43,416 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 [2018-03-23 12:00:43,416 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 [2018-03-23 12:00:43,416 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 [2018-03-23 12:00:43,417 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 [2018-03-23 12:00:43,417 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 [2018-03-23 12:00:43,417 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 [2018-03-23 12:00:43,417 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 [2018-03-23 12:00:43,417 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 [2018-03-23 12:00:43,417 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 [2018-03-23 12:00:43,417 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 [2018-03-23 12:00:43,417 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 [2018-03-23 12:00:43,417 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 [2018-03-23 12:00:43,417 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 [2018-03-23 12:00:43,418 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 [2018-03-23 12:00:43,418 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 [2018-03-23 12:00:43,418 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 [2018-03-23 12:00:43,418 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 [2018-03-23 12:00:43,418 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 [2018-03-23 12:00:43,418 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 [2018-03-23 12:00:43,418 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 [2018-03-23 12:00:43,418 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 [2018-03-23 12:00:43,418 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 [2018-03-23 12:00:43,419 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 [2018-03-23 12:00:43,419 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 [2018-03-23 12:00:43,419 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 [2018-03-23 12:00:43,419 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 [2018-03-23 12:00:43,419 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 [2018-03-23 12:00:43,419 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 [2018-03-23 12:00:43,419 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 [2018-03-23 12:00:43,419 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 [2018-03-23 12:00:43,419 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 [2018-03-23 12:00:43,420 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 [2018-03-23 12:00:43,420 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 [2018-03-23 12:00:43,420 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 [2018-03-23 12:00:43,420 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 [2018-03-23 12:00:43,420 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 [2018-03-23 12:00:43,420 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 [2018-03-23 12:00:43,420 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 [2018-03-23 12:00:43,420 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 [2018-03-23 12:00:43,420 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 [2018-03-23 12:00:43,421 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 [2018-03-23 12:00:43,421 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 [2018-03-23 12:00:43,421 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 [2018-03-23 12:00:43,421 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 [2018-03-23 12:00:43,421 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 [2018-03-23 12:00:43,421 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 [2018-03-23 12:00:43,421 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 [2018-03-23 12:00:43,421 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 [2018-03-23 12:00:43,421 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 [2018-03-23 12:00:43,422 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 [2018-03-23 12:00:43,422 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 [2018-03-23 12:00:43,422 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 [2018-03-23 12:00:43,422 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 [2018-03-23 12:00:43,422 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 [2018-03-23 12:00:43,422 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 [2018-03-23 12:00:43,422 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 [2018-03-23 12:00:43,422 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 [2018-03-23 12:00:43,461 INFO L334 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG42fe092bd [2018-03-23 12:00:43,466 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-03-23 12:00:43,469 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-03-23 12:00:43,470 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-03-23 12:00:43,470 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-03-23 12:00:43,475 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-03-23 12:00:43,476 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 12:00:43" (1/1) ... [2018-03-23 12:00:43,478 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@409982d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:00:43, skipping insertion in model container [2018-03-23 12:00:43,478 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 12:00:43" (1/1) ... [2018-03-23 12:00:43,493 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-23 12:00:43,528 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-23 12:00:43,708 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-23 12:00:43,765 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-23 12:00:43,773 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 115 non ball SCCs. Number of states in SCCs 115. [2018-03-23 12:00:43,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:00:43 WrapperNode [2018-03-23 12:00:43,829 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-03-23 12:00:43,830 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-03-23 12:00:43,830 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-03-23 12:00:43,831 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-03-23 12:00:43,846 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:00:43" (1/1) ... [2018-03-23 12:00:43,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:00:43" (1/1) ... [2018-03-23 12:00:43,863 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:00:43" (1/1) ... [2018-03-23 12:00:43,863 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:00:43" (1/1) ... [2018-03-23 12:00:43,879 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:00:43" (1/1) ... [2018-03-23 12:00:43,884 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:00:43" (1/1) ... [2018-03-23 12:00:43,887 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:00:43" (1/1) ... [2018-03-23 12:00:43,892 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-03-23 12:00:43,893 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-03-23 12:00:43,893 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-03-23 12:00:43,893 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-03-23 12:00:43,894 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:00:43" (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 [2018-03-23 12:00:44,009 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-03-23 12:00:44,010 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-03-23 12:00:44,010 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-03-23 12:00:44,010 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-03-23 12:00:44,010 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-03-23 12:00:44,010 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-03-23 12:00:44,010 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-03-23 12:00:44,011 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-03-23 12:00:44,011 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-03-23 12:00:44,011 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-03-23 12:00:44,011 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-03-23 12:00:44,011 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-03-23 12:00:44,011 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-03-23 12:00:44,011 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-03-23 12:00:44,012 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-03-23 12:00:44,012 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-03-23 12:00:44,012 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-03-23 12:00:44,012 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-03-23 12:00:44,012 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-03-23 12:00:44,012 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-03-23 12:00:44,012 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-03-23 12:00:44,013 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-03-23 12:00:44,013 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-03-23 12:00:44,013 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-03-23 12:00:44,013 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-03-23 12:00:44,013 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-03-23 12:00:44,013 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-03-23 12:00:44,014 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-03-23 12:00:44,014 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-03-23 12:00:44,014 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-03-23 12:00:44,014 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-03-23 12:00:44,014 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-03-23 12:00:44,014 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-03-23 12:00:44,014 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-03-23 12:00:44,015 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-03-23 12:00:44,015 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-03-23 12:00:44,015 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-03-23 12:00:44,015 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-03-23 12:00:44,015 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-03-23 12:00:44,015 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-03-23 12:00:44,015 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-03-23 12:00:44,015 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-03-23 12:00:44,015 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-03-23 12:00:44,015 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-03-23 12:00:44,016 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-03-23 12:00:44,016 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-03-23 12:00:44,016 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-03-23 12:00:44,016 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-03-23 12:00:44,016 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-03-23 12:00:44,016 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-03-23 12:00:44,016 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-03-23 12:00:44,016 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-03-23 12:00:44,016 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-03-23 12:00:44,017 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-03-23 12:00:44,017 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-03-23 12:00:44,017 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-03-23 12:00:44,017 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-03-23 12:00:44,017 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-03-23 12:00:44,017 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-03-23 12:00:44,017 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-03-23 12:00:44,017 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-03-23 12:00:44,018 INFO L128 BoogieDeclarations]: Found specification of procedure aligned_alloc [2018-03-23 12:00:44,018 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-03-23 12:00:44,018 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-03-23 12:00:44,018 INFO L128 BoogieDeclarations]: Found specification of procedure at_quick_exit [2018-03-23 12:00:44,018 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-03-23 12:00:44,018 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-03-23 12:00:44,018 INFO L128 BoogieDeclarations]: Found specification of procedure quick_exit [2018-03-23 12:00:44,018 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-03-23 12:00:44,018 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-03-23 12:00:44,018 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-03-23 12:00:44,018 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-03-23 12:00:44,018 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-03-23 12:00:44,019 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-03-23 12:00:44,019 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-03-23 12:00:44,019 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-03-23 12:00:44,019 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-03-23 12:00:44,019 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-03-23 12:00:44,019 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-03-23 12:00:44,019 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-03-23 12:00:44,019 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-03-23 12:00:44,019 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-03-23 12:00:44,019 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-03-23 12:00:44,019 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-03-23 12:00:44,019 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-03-23 12:00:44,019 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-03-23 12:00:44,019 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-03-23 12:00:44,020 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-03-23 12:00:44,020 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-03-23 12:00:44,020 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-03-23 12:00:44,020 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-03-23 12:00:44,020 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-03-23 12:00:44,020 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-03-23 12:00:44,020 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-03-23 12:00:44,020 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-03-23 12:00:44,021 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-03-23 12:00:44,021 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-03-23 12:00:44,021 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-03-23 12:00:44,021 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-03-23 12:00:44,021 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-03-23 12:00:44,021 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-03-23 12:00:44,021 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-03-23 12:00:44,021 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-03-23 12:00:44,022 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-03-23 12:00:44,022 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-03-23 12:00:44,022 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-03-23 12:00:44,022 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-03-23 12:00:44,022 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-03-23 12:00:44,022 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-03-23 12:00:44,022 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-03-23 12:00:44,022 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-03-23 12:00:44,023 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-03-23 12:00:44,023 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-03-23 12:00:44,023 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-03-23 12:00:44,023 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-03-23 12:00:44,023 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-03-23 12:00:44,023 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-03-23 12:00:44,023 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-03-23 12:00:44,550 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-03-23 12:00:44,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 12:00:44 BoogieIcfgContainer [2018-03-23 12:00:44,551 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-03-23 12:00:44,553 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-03-23 12:00:44,553 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-03-23 12:00:44,556 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-03-23 12:00:44,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.03 12:00:43" (1/3) ... [2018-03-23 12:00:44,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@676a0266 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 12:00:44, skipping insertion in model container [2018-03-23 12:00:44,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:00:43" (2/3) ... [2018-03-23 12:00:44,558 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@676a0266 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 12:00:44, skipping insertion in model container [2018-03-23 12:00:44,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 12:00:44" (3/3) ... [2018-03-23 12:00:44,560 INFO L107 eAbstractionObserver]: Analyzing ICFG sll-rb-cnstr_1_false-unreach-call_false-valid-deref.i [2018-03-23 12:00:44,570 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-03-23 12:00:44,578 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 49 error locations. [2018-03-23 12:00:44,627 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-03-23 12:00:44,628 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-03-23 12:00:44,628 INFO L370 AbstractCegarLoop]: Hoare is true [2018-03-23 12:00:44,628 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-03-23 12:00:44,628 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-03-23 12:00:44,629 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-03-23 12:00:44,629 INFO L374 AbstractCegarLoop]: Difference is false [2018-03-23 12:00:44,629 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-03-23 12:00:44,629 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-03-23 12:00:44,630 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-03-23 12:00:44,645 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states. [2018-03-23 12:00:44,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-03-23 12:00:44,649 INFO L345 BasicCegarLoop]: Found error trace [2018-03-23 12:00:44,649 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-23 12:00:44,650 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]=== [2018-03-23 12:00:44,653 INFO L82 PathProgramCache]: Analyzing trace with hash 1423226413, now seen corresponding path program 1 times [2018-03-23 12:00:44,655 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-03-23 12:00:44,655 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-03-23 12:00:44,698 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 12:00:44,699 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-03-23 12:00:44,699 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 12:00:44,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-23 12:00:44,745 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-03-23 12:00:44,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-23 12:00:44,828 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-03-23 12:00:44,829 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-03-23 12:00:44,831 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-03-23 12:00:44,845 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-03-23 12:00:44,846 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-03-23 12:00:44,848 INFO L87 Difference]: Start difference. First operand 149 states. Second operand 4 states. [2018-03-23 12:00:45,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-23 12:00:45,094 INFO L93 Difference]: Finished difference Result 264 states and 307 transitions. [2018-03-23 12:00:45,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-03-23 12:00:45,096 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2018-03-23 12:00:45,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-23 12:00:45,108 INFO L225 Difference]: With dead ends: 264 [2018-03-23 12:00:45,109 INFO L226 Difference]: Without dead ends: 161 [2018-03-23 12:00:45,114 INFO L568 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-03-23 12:00:45,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2018-03-23 12:00:45,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 138. [2018-03-23 12:00:45,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-03-23 12:00:45,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 145 transitions. [2018-03-23 12:00:45,159 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 145 transitions. Word has length 9 [2018-03-23 12:00:45,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-23 12:00:45,159 INFO L459 AbstractCegarLoop]: Abstraction has 138 states and 145 transitions. [2018-03-23 12:00:45,159 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-03-23 12:00:45,159 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 145 transitions. [2018-03-23 12:00:45,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-03-23 12:00:45,160 INFO L345 BasicCegarLoop]: Found error trace [2018-03-23 12:00:45,160 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-23 12:00:45,160 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]=== [2018-03-23 12:00:45,160 INFO L82 PathProgramCache]: Analyzing trace with hash 1423226414, now seen corresponding path program 1 times [2018-03-23 12:00:45,160 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-03-23 12:00:45,160 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-03-23 12:00:45,162 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 12:00:45,162 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-03-23 12:00:45,162 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 12:00:45,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-23 12:00:45,176 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-03-23 12:00:45,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-23 12:00:45,245 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-03-23 12:00:45,246 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-03-23 12:00:45,247 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-03-23 12:00:45,247 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-03-23 12:00:45,248 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-03-23 12:00:45,248 INFO L87 Difference]: Start difference. First operand 138 states and 145 transitions. Second operand 4 states. [2018-03-23 12:00:45,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-23 12:00:45,383 INFO L93 Difference]: Finished difference Result 166 states and 172 transitions. [2018-03-23 12:00:45,383 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-03-23 12:00:45,383 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2018-03-23 12:00:45,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-23 12:00:45,385 INFO L225 Difference]: With dead ends: 166 [2018-03-23 12:00:45,385 INFO L226 Difference]: Without dead ends: 159 [2018-03-23 12:00:45,386 INFO L568 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-03-23 12:00:45,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2018-03-23 12:00:45,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 147. [2018-03-23 12:00:45,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-03-23 12:00:45,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 154 transitions. [2018-03-23 12:00:45,394 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 154 transitions. Word has length 9 [2018-03-23 12:00:45,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-23 12:00:45,395 INFO L459 AbstractCegarLoop]: Abstraction has 147 states and 154 transitions. [2018-03-23 12:00:45,395 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-03-23 12:00:45,395 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 154 transitions. [2018-03-23 12:00:45,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-03-23 12:00:45,396 INFO L345 BasicCegarLoop]: Found error trace [2018-03-23 12:00:45,396 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-23 12:00:45,396 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]=== [2018-03-23 12:00:45,396 INFO L82 PathProgramCache]: Analyzing trace with hash 50515860, now seen corresponding path program 1 times [2018-03-23 12:00:45,396 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-03-23 12:00:45,396 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-03-23 12:00:45,398 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 12:00:45,398 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-03-23 12:00:45,398 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 12:00:45,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-23 12:00:45,416 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-03-23 12:00:45,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-23 12:00:45,471 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-03-23 12:00:45,471 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-03-23 12:00:45,471 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-03-23 12:00:45,472 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-03-23 12:00:45,472 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-03-23 12:00:45,472 INFO L87 Difference]: Start difference. First operand 147 states and 154 transitions. Second operand 4 states. [2018-03-23 12:00:45,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-23 12:00:45,608 INFO L93 Difference]: Finished difference Result 172 states and 180 transitions. [2018-03-23 12:00:45,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-03-23 12:00:45,609 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2018-03-23 12:00:45,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-23 12:00:45,610 INFO L225 Difference]: With dead ends: 172 [2018-03-23 12:00:45,610 INFO L226 Difference]: Without dead ends: 159 [2018-03-23 12:00:45,611 INFO L568 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-03-23 12:00:45,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2018-03-23 12:00:45,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 141. [2018-03-23 12:00:45,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-03-23 12:00:45,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 151 transitions. [2018-03-23 12:00:45,622 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 151 transitions. Word has length 17 [2018-03-23 12:00:45,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-23 12:00:45,622 INFO L459 AbstractCegarLoop]: Abstraction has 141 states and 151 transitions. [2018-03-23 12:00:45,622 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-03-23 12:00:45,622 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 151 transitions. [2018-03-23 12:00:45,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-03-23 12:00:45,623 INFO L345 BasicCegarLoop]: Found error trace [2018-03-23 12:00:45,623 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-23 12:00:45,623 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]=== [2018-03-23 12:00:45,624 INFO L82 PathProgramCache]: Analyzing trace with hash 50515861, now seen corresponding path program 1 times [2018-03-23 12:00:45,624 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-03-23 12:00:45,624 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-03-23 12:00:45,626 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 12:00:45,626 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-03-23 12:00:45,626 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 12:00:45,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-23 12:00:45,637 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-03-23 12:00:45,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-23 12:00:45,718 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-03-23 12:00:45,718 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-03-23 12:00:45,718 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-03-23 12:00:45,718 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-03-23 12:00:45,718 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-03-23 12:00:45,718 INFO L87 Difference]: Start difference. First operand 141 states and 151 transitions. Second operand 5 states. [2018-03-23 12:00:45,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-23 12:00:45,910 INFO L93 Difference]: Finished difference Result 194 states and 205 transitions. [2018-03-23 12:00:45,910 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-03-23 12:00:45,910 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2018-03-23 12:00:45,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-23 12:00:45,911 INFO L225 Difference]: With dead ends: 194 [2018-03-23 12:00:45,911 INFO L226 Difference]: Without dead ends: 187 [2018-03-23 12:00:45,912 INFO L568 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-03-23 12:00:45,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2018-03-23 12:00:45,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 157. [2018-03-23 12:00:45,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2018-03-23 12:00:45,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 168 transitions. [2018-03-23 12:00:45,922 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 168 transitions. Word has length 17 [2018-03-23 12:00:45,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-23 12:00:45,922 INFO L459 AbstractCegarLoop]: Abstraction has 157 states and 168 transitions. [2018-03-23 12:00:45,922 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-03-23 12:00:45,923 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 168 transitions. [2018-03-23 12:00:45,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-03-23 12:00:45,923 INFO L345 BasicCegarLoop]: Found error trace [2018-03-23 12:00:45,923 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-23 12:00:45,924 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]=== [2018-03-23 12:00:45,924 INFO L82 PathProgramCache]: Analyzing trace with hash 522746136, now seen corresponding path program 1 times [2018-03-23 12:00:45,924 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-03-23 12:00:45,924 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-03-23 12:00:45,926 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 12:00:45,926 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-03-23 12:00:45,926 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 12:00:45,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-23 12:00:45,941 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-03-23 12:00:45,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-23 12:00:45,991 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-03-23 12:00:45,991 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-03-23 12:00:45,991 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-03-23 12:00:45,991 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-03-23 12:00:45,991 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-03-23 12:00:45,991 INFO L87 Difference]: Start difference. First operand 157 states and 168 transitions. Second operand 6 states. [2018-03-23 12:00:46,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-23 12:00:46,259 INFO L93 Difference]: Finished difference Result 260 states and 277 transitions. [2018-03-23 12:00:46,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-03-23 12:00:46,259 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2018-03-23 12:00:46,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-23 12:00:46,261 INFO L225 Difference]: With dead ends: 260 [2018-03-23 12:00:46,261 INFO L226 Difference]: Without dead ends: 259 [2018-03-23 12:00:46,261 INFO L568 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2018-03-23 12:00:46,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2018-03-23 12:00:46,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 156. [2018-03-23 12:00:46,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2018-03-23 12:00:46,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 167 transitions. [2018-03-23 12:00:46,272 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 167 transitions. Word has length 21 [2018-03-23 12:00:46,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-23 12:00:46,272 INFO L459 AbstractCegarLoop]: Abstraction has 156 states and 167 transitions. [2018-03-23 12:00:46,272 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-03-23 12:00:46,272 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 167 transitions. [2018-03-23 12:00:46,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-03-23 12:00:46,273 INFO L345 BasicCegarLoop]: Found error trace [2018-03-23 12:00:46,273 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-23 12:00:46,273 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]=== [2018-03-23 12:00:46,274 INFO L82 PathProgramCache]: Analyzing trace with hash 522746137, now seen corresponding path program 1 times [2018-03-23 12:00:46,274 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-03-23 12:00:46,274 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-03-23 12:00:46,276 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 12:00:46,276 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-03-23 12:00:46,276 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 12:00:46,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-23 12:00:46,290 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-03-23 12:00:46,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-23 12:00:46,358 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-03-23 12:00:46,358 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-03-23 12:00:46,359 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-03-23 12:00:46,359 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-03-23 12:00:46,359 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-03-23 12:00:46,359 INFO L87 Difference]: Start difference. First operand 156 states and 167 transitions. Second operand 6 states. [2018-03-23 12:00:46,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-23 12:00:46,607 INFO L93 Difference]: Finished difference Result 273 states and 293 transitions. [2018-03-23 12:00:46,607 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-03-23 12:00:46,607 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2018-03-23 12:00:46,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-23 12:00:46,608 INFO L225 Difference]: With dead ends: 273 [2018-03-23 12:00:46,608 INFO L226 Difference]: Without dead ends: 266 [2018-03-23 12:00:46,609 INFO L568 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2018-03-23 12:00:46,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2018-03-23 12:00:46,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 151. [2018-03-23 12:00:46,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-03-23 12:00:46,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 162 transitions. [2018-03-23 12:00:46,624 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 162 transitions. Word has length 21 [2018-03-23 12:00:46,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-23 12:00:46,624 INFO L459 AbstractCegarLoop]: Abstraction has 151 states and 162 transitions. [2018-03-23 12:00:46,625 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-03-23 12:00:46,625 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 162 transitions. [2018-03-23 12:00:46,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-03-23 12:00:46,625 INFO L345 BasicCegarLoop]: Found error trace [2018-03-23 12:00:46,625 INFO L353 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] [2018-03-23 12:00:46,626 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]=== [2018-03-23 12:00:46,626 INFO L82 PathProgramCache]: Analyzing trace with hash -1033319496, now seen corresponding path program 1 times [2018-03-23 12:00:46,626 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-03-23 12:00:46,626 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-03-23 12:00:46,627 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 12:00:46,627 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-03-23 12:00:46,627 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 12:00:46,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-23 12:00:46,637 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-03-23 12:00:46,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-23 12:00:46,689 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-03-23 12:00:46,689 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-03-23 12:00:46,689 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-03-23 12:00:46,690 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-03-23 12:00:46,690 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-03-23 12:00:46,690 INFO L87 Difference]: Start difference. First operand 151 states and 162 transitions. Second operand 5 states. [2018-03-23 12:00:46,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-23 12:00:46,787 INFO L93 Difference]: Finished difference Result 223 states and 238 transitions. [2018-03-23 12:00:46,787 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-03-23 12:00:46,787 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2018-03-23 12:00:46,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-23 12:00:46,788 INFO L225 Difference]: With dead ends: 223 [2018-03-23 12:00:46,788 INFO L226 Difference]: Without dead ends: 172 [2018-03-23 12:00:46,789 INFO L568 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-03-23 12:00:46,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2018-03-23 12:00:46,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 151. [2018-03-23 12:00:46,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-03-23 12:00:46,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 160 transitions. [2018-03-23 12:00:46,794 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 160 transitions. Word has length 31 [2018-03-23 12:00:46,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-23 12:00:46,795 INFO L459 AbstractCegarLoop]: Abstraction has 151 states and 160 transitions. [2018-03-23 12:00:46,795 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-03-23 12:00:46,795 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 160 transitions. [2018-03-23 12:00:46,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-03-23 12:00:46,796 INFO L345 BasicCegarLoop]: Found error trace [2018-03-23 12:00:46,796 INFO L353 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] [2018-03-23 12:00:46,796 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]=== [2018-03-23 12:00:46,796 INFO L82 PathProgramCache]: Analyzing trace with hash 278576263, now seen corresponding path program 1 times [2018-03-23 12:00:46,796 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-03-23 12:00:46,796 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-03-23 12:00:46,798 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 12:00:46,798 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-03-23 12:00:46,798 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 12:00:46,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-23 12:00:46,813 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-03-23 12:00:46,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-23 12:00:46,870 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-03-23 12:00:46,870 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-03-23 12:00:46,870 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-03-23 12:00:46,870 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-03-23 12:00:46,871 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-03-23 12:00:46,871 INFO L87 Difference]: Start difference. First operand 151 states and 160 transitions. Second operand 6 states. [2018-03-23 12:00:47,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-23 12:00:47,131 INFO L93 Difference]: Finished difference Result 250 states and 265 transitions. [2018-03-23 12:00:47,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-03-23 12:00:47,131 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2018-03-23 12:00:47,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-23 12:00:47,133 INFO L225 Difference]: With dead ends: 250 [2018-03-23 12:00:47,133 INFO L226 Difference]: Without dead ends: 249 [2018-03-23 12:00:47,133 INFO L568 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2018-03-23 12:00:47,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2018-03-23 12:00:47,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 150. [2018-03-23 12:00:47,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-03-23 12:00:47,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 159 transitions. [2018-03-23 12:00:47,140 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 159 transitions. Word has length 31 [2018-03-23 12:00:47,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-23 12:00:47,140 INFO L459 AbstractCegarLoop]: Abstraction has 150 states and 159 transitions. [2018-03-23 12:00:47,140 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-03-23 12:00:47,140 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 159 transitions. [2018-03-23 12:00:47,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-03-23 12:00:47,141 INFO L345 BasicCegarLoop]: Found error trace [2018-03-23 12:00:47,141 INFO L353 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] [2018-03-23 12:00:47,141 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]=== [2018-03-23 12:00:47,141 INFO L82 PathProgramCache]: Analyzing trace with hash 278576264, now seen corresponding path program 1 times [2018-03-23 12:00:47,141 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-03-23 12:00:47,141 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-03-23 12:00:47,142 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 12:00:47,142 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-03-23 12:00:47,143 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 12:00:47,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-23 12:00:47,157 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-03-23 12:00:47,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-23 12:00:47,262 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-03-23 12:00:47,262 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-03-23 12:00:47,263 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-03-23 12:00:47,263 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-03-23 12:00:47,263 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-03-23 12:00:47,263 INFO L87 Difference]: Start difference. First operand 150 states and 159 transitions. Second operand 6 states. [2018-03-23 12:00:47,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-23 12:00:47,520 INFO L93 Difference]: Finished difference Result 275 states and 292 transitions. [2018-03-23 12:00:47,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-03-23 12:00:47,521 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2018-03-23 12:00:47,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-23 12:00:47,522 INFO L225 Difference]: With dead ends: 275 [2018-03-23 12:00:47,523 INFO L226 Difference]: Without dead ends: 271 [2018-03-23 12:00:47,523 INFO L568 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-03-23 12:00:47,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2018-03-23 12:00:47,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 139. [2018-03-23 12:00:47,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-03-23 12:00:47,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 147 transitions. [2018-03-23 12:00:47,529 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 147 transitions. Word has length 31 [2018-03-23 12:00:47,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-23 12:00:47,529 INFO L459 AbstractCegarLoop]: Abstraction has 139 states and 147 transitions. [2018-03-23 12:00:47,529 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-03-23 12:00:47,529 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 147 transitions. [2018-03-23 12:00:47,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-03-23 12:00:47,530 INFO L345 BasicCegarLoop]: Found error trace [2018-03-23 12:00:47,530 INFO L353 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] [2018-03-23 12:00:47,530 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]=== [2018-03-23 12:00:47,530 INFO L82 PathProgramCache]: Analyzing trace with hash -398006643, now seen corresponding path program 1 times [2018-03-23 12:00:47,531 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-03-23 12:00:47,531 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-03-23 12:00:47,532 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 12:00:47,532 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-03-23 12:00:47,532 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 12:00:47,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-03-23 12:00:47,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-03-23 12:00:47,574 INFO L419 BasicCegarLoop]: Counterexample might be feasible [2018-03-23 12:00:47,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.03 12:00:47 BoogieIcfgContainer [2018-03-23 12:00:47,607 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-03-23 12:00:47,608 INFO L168 Benchmark]: Toolchain (without parser) took 4141.42 ms. Allocated memory was 307.8 MB in the beginning and 501.2 MB in the end (delta: 193.5 MB). Free memory was 247.0 MB in the beginning and 429.6 MB in the end (delta: -182.5 MB). Peak memory consumption was 10.9 MB. Max. memory is 5.3 GB. [2018-03-23 12:00:47,609 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 307.8 MB. Free memory is still 271.9 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-03-23 12:00:47,609 INFO L168 Benchmark]: CACSL2BoogieTranslator took 359.75 ms. Allocated memory is still 307.8 MB. Free memory was 247.0 MB in the beginning and 219.1 MB in the end (delta: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 5.3 GB. [2018-03-23 12:00:47,609 INFO L168 Benchmark]: Boogie Preprocessor took 61.90 ms. Allocated memory is still 307.8 MB. Free memory was 219.1 MB in the beginning and 216.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. [2018-03-23 12:00:47,610 INFO L168 Benchmark]: RCFGBuilder took 658.13 ms. Allocated memory was 307.8 MB in the beginning and 450.4 MB in the end (delta: 142.6 MB). Free memory was 216.1 MB in the beginning and 373.0 MB in the end (delta: -156.9 MB). Peak memory consumption was 22.2 MB. Max. memory is 5.3 GB. [2018-03-23 12:00:47,610 INFO L168 Benchmark]: TraceAbstraction took 3053.99 ms. Allocated memory was 450.4 MB in the beginning and 501.2 MB in the end (delta: 50.9 MB). Free memory was 373.0 MB in the beginning and 429.6 MB in the end (delta: -56.6 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-03-23 12:00:47,612 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 307.8 MB. Free memory is still 271.9 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 359.75 ms. Allocated memory is still 307.8 MB. Free memory was 247.0 MB in the beginning and 219.1 MB in the end (delta: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 61.90 ms. Allocated memory is still 307.8 MB. Free memory was 219.1 MB in the beginning and 216.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 658.13 ms. Allocated memory was 307.8 MB in the beginning and 450.4 MB in the end (delta: 142.6 MB). Free memory was 216.1 MB in the beginning and 373.0 MB in the end (delta: -156.9 MB). Peak memory consumption was 22.2 MB. Max. memory is 5.3 GB. * TraceAbstraction took 3053.99 ms. Allocated memory was 450.4 MB in the beginning and 501.2 MB in the end (delta: 50.9 MB). Free memory was 373.0 MB in the beginning and 429.6 MB in the end (delta: -56.6 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))={10:0}] [L995] SLL* list = malloc(sizeof(SLL)); VAL [list={10:0}, malloc(sizeof(SLL))={10:0}] [L996] FCALL list->next = ((void*)0) VAL [list={10:0}, malloc(sizeof(SLL))={10:0}] [L997] FCALL list->colour = BLACK VAL [list={10:0}, malloc(sizeof(SLL))={10:0}] [L999] SLL* end = list; VAL [end={10:0}, list={10:0}, malloc(sizeof(SLL))={10:0}] [L1002] COND FALSE !(__VERIFIER_nondet_int()) VAL [__VERIFIER_nondet_int()=0, end={10:0}, list={10:0}, malloc(sizeof(SLL))={10:0}] [L1023] end = ((void*)0) VAL [end={0:0}, list={10:0}, malloc(sizeof(SLL))={10:0}] [L1024] end = list VAL [end={10:0}, list={10:0}, malloc(sizeof(SLL))={10:0}] [L1027] COND FALSE !(!(((void*)0) != end)) VAL [end={10:0}, list={10:0}, malloc(sizeof(SLL))={10:0}] [L1027] COND FALSE !(0) VAL [end={10:0}, list={10:0}, malloc(sizeof(SLL))={10:0}] [L1028] EXPR, FCALL end->colour VAL [end={10:0}, end->colour=0, list={10:0}, malloc(sizeof(SLL))={10:0}] [L1028] COND FALSE !(!(BLACK == end->colour)) VAL [end={10:0}, end->colour=0, list={10:0}, malloc(sizeof(SLL))={10:0}] [L1028] COND FALSE !(0) VAL [end={10:0}, list={10:0}, malloc(sizeof(SLL))={10:0}] [L1030] COND TRUE ((void*)0) != end VAL [end={10:0}, list={10:0}, malloc(sizeof(SLL))={10:0}] [L1032] EXPR, FCALL end->colour VAL [end={10:0}, end->colour=0, list={10:0}, malloc(sizeof(SLL))={10:0}] [L1032] COND TRUE RED == end->colour VAL [end={10:0}, end->colour=0, list={10:0}, malloc(sizeof(SLL))={10:0}] [L1034] EXPR, FCALL end->next VAL [end={10:0}, end->next={0:0}, list={10:0}, malloc(sizeof(SLL))={10:0}] [L1034] end = end->next VAL [end={0:0}, end->next={0:0}, list={10:0}, malloc(sizeof(SLL))={10:0}] [L1035] FCALL end->next - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 149 locations, 49 error locations. UNSAFE Result, 2.9s OverallTime, 10 OverallIterations, 1 TraceHistogramMax, 1.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1090 SDtfs, 1940 SDslu, 1952 SDs, 0 SdLazy, 1705 SolverSat, 106 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=157occurred in iteration=4, 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, 9 MinimizatonAttempts, 553 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 221 NumberOfCodeBlocks, 221 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 178 ConstructedInterpolants, 0 QuantifiedInterpolants, 11524 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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_Camel+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-03-23_12-00-47-619.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_Camel+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-03-23_12-00-47-619.csv Received shutdown request...