java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv --cacsl2boogietranslator.bitprecise.bitfields false -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf -i ../../../trunk/examples/svcomp/array-memsafety/openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-408c70d-m [2018-04-13 04:40:43,404 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-13 04:40:43,406 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-13 04:40:43,419 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-13 04:40:43,419 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-13 04:40:43,420 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-13 04:40:43,421 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-13 04:40:43,422 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-13 04:40:43,424 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-13 04:40:43,424 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-13 04:40:43,425 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-13 04:40:43,425 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-13 04:40:43,426 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-13 04:40:43,427 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-13 04:40:43,428 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-13 04:40:43,429 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-13 04:40:43,431 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-13 04:40:43,432 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-13 04:40:43,433 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-13 04:40:43,434 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-13 04:40:43,436 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-04-13 04:40:43,441 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf [2018-04-13 04:40:43,451 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-13 04:40:43,451 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-13 04:40:43,452 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-13 04:40:43,452 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-13 04:40:43,452 INFO L133 SettingsManager]: * Use SBE=true [2018-04-13 04:40:43,452 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-13 04:40:43,452 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-13 04:40:43,452 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-13 04:40:43,453 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-13 04:40:43,453 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-13 04:40:43,453 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-13 04:40:43,453 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-13 04:40:43,453 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-13 04:40:43,453 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-13 04:40:43,453 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-13 04:40:43,454 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-13 04:40:43,454 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-13 04:40:43,454 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-13 04:40:43,454 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-13 04:40:43,454 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-13 04:40:43,455 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-13 04:40:43,455 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-13 04:40:43,455 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-13 04:40:43,455 INFO L133 SettingsManager]: * Trace refinement strategy=SMTINTERPOL Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-13 04:40:43,485 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-13 04:40:43,496 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-13 04:40:43,500 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-13 04:40:43,502 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-13 04:40:43,503 INFO L276 PluginConnector]: CDTParser initialized [2018-04-13 04:40:43,503 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,804 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG7b7b87f0d [2018-04-13 04:40:43,927 INFO L287 CDTParser]: IsIndexed: true [2018-04-13 04:40:43,927 INFO L288 CDTParser]: Found 1 translation units. [2018-04-13 04:40:43,927 INFO L168 CDTParser]: Scanning openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,935 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-13 04:40:43,935 INFO L215 ultiparseSymbolTable]: [2018-04-13 04:40:43,935 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-13 04:40:43,935 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____bswap_64 ('__bswap_64') in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,935 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,935 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____bswap_32 ('__bswap_32') in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,936 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrk ('cstrpbrk') in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,936 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-13 04:40:43,936 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__uint in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,936 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,936 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__u_int8_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,936 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__nlink_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,936 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____fd_mask in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,936 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____u_int in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,937 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__loff_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,937 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____key_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,937 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____uint8_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,937 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_attr_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,937 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____uid_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,937 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____int64_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,937 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____sig_atomic_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,937 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____uint64_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,937 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__wchar_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,938 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____useconds_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,938 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____blkcnt_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,938 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____sigset_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,938 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_cond_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,938 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____fsword_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,938 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__u_int16_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,938 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__ssize_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,938 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____clockid_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,938 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__quad_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,938 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____ino_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,939 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_once_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,939 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__dev_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,939 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__id_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,939 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_spinlock_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,939 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__int32_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,939 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____ssize_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,939 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____socklen_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,939 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____quad_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,939 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____ino64_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,939 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__off_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,939 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____u_quad_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,940 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____nlink_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,940 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_barrier_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,940 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____off_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,940 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____blkcnt64_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,940 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,940 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__fd_mask in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,940 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__fsfilcnt_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,940 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____fsblkcnt64_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,940 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__u_int32_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,941 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__key_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,941 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__timer_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,941 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__clockid_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,941 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____off64_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,941 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____int32_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,941 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____pid_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,941 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_mutexattr_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,941 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____syscall_ulong_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,941 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__u_int in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,941 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__fsblkcnt_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,942 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____gid_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,942 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____timer_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,942 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__fd_set in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,942 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____id_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,942 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__lldiv_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,942 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__uid_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,942 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____u_char in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,942 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____suseconds_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,942 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__time_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,942 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_key_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,943 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_rwlock_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,943 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____caddr_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,943 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____dev_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,943 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____fsblkcnt_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,943 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__int16_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,943 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__mode_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,943 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____rlim_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,943 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__caddr_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,943 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____pthread_list_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,944 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_barrierattr_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,944 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__blkcnt_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,944 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__ulong in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,944 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__u_char in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,944 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__div_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,944 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____u_long in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,944 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____int16_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,944 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__size_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,944 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____intptr_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,944 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__blksize_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,944 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____mode_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,945 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__sigset_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,945 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____uint32_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,945 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__ino_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,945 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__clock_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,945 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__pid_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,945 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__gid_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,945 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____fsid_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,945 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__u_short in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,945 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__int8_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,945 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__u_int64_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,945 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__daddr_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,946 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__u_long in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,946 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____syscall_slong_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,946 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__ldiv_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,946 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__register_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,946 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_mutex_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,946 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____fsfilcnt64_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,946 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__int64_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,946 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____u_short in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,946 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__suseconds_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,946 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____fsfilcnt_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,946 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__u_quad_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,946 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__ushort in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,947 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__fsid_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,947 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____int8_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,947 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____time_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,947 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____loff_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,947 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____daddr_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,947 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____clock_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,947 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____qaddr_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,947 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____WAIT_STATUS in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,947 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____rlim64_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,947 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_condattr_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,947 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____uint16_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,948 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____blksize_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:43,961 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG7b7b87f0d [2018-04-13 04:40:43,965 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-13 04:40:43,966 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-13 04:40:43,966 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-13 04:40:43,966 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-13 04:40:43,970 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-13 04:40:43,970 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 04:40:43" (1/1) ... [2018-04-13 04:40:43,972 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75405684 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 04:40:43, skipping insertion in model container [2018-04-13 04:40:43,972 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 04:40:43" (1/1) ... [2018-04-13 04:40:43,985 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-13 04:40:44,007 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-13 04:40:44,155 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-13 04:40:44,208 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-13 04:40:44,213 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-13 04:40:44,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 04:40:44 WrapperNode [2018-04-13 04:40:44,238 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-13 04:40:44,238 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-13 04:40:44,238 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-13 04:40:44,239 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-13 04:40:44,247 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 04:40:44" (1/1) ... [2018-04-13 04:40:44,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 04:40:44" (1/1) ... [2018-04-13 04:40:44,258 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 04:40:44" (1/1) ... [2018-04-13 04:40:44,259 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 04:40:44" (1/1) ... [2018-04-13 04:40:44,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 04:40:44" (1/1) ... [2018-04-13 04:40:44,270 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 04:40:44" (1/1) ... [2018-04-13 04:40:44,272 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 04:40:44" (1/1) ... [2018-04-13 04:40:44,275 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-13 04:40:44,276 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-13 04:40:44,276 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-13 04:40:44,276 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-13 04:40:44,277 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 04:40:44" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-13 04:40:44,356 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-13 04:40:44,357 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-13 04:40:44,357 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-13 04:40:44,357 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-13 04:40:44,357 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrk [2018-04-13 04:40:44,357 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-13 04:40:44,357 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-13 04:40:44,357 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-13 04:40:44,357 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-13 04:40:44,357 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-13 04:40:44,358 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-13 04:40:44,358 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-13 04:40:44,358 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-13 04:40:44,358 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-13 04:40:44,358 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-13 04:40:44,358 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-13 04:40:44,358 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-13 04:40:44,358 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-13 04:40:44,358 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-13 04:40:44,358 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-13 04:40:44,359 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-13 04:40:44,359 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-13 04:40:44,359 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-13 04:40:44,359 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-13 04:40:44,359 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-13 04:40:44,359 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-13 04:40:44,359 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-13 04:40:44,359 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-13 04:40:44,359 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-13 04:40:44,359 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-13 04:40:44,360 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-13 04:40:44,360 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-13 04:40:44,360 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-13 04:40:44,360 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-13 04:40:44,360 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-13 04:40:44,360 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-13 04:40:44,360 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-13 04:40:44,360 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-13 04:40:44,360 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-13 04:40:44,360 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-13 04:40:44,361 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-13 04:40:44,361 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-13 04:40:44,361 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-13 04:40:44,361 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-13 04:40:44,361 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-13 04:40:44,361 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-13 04:40:44,361 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-13 04:40:44,361 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-13 04:40:44,361 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-13 04:40:44,361 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-13 04:40:44,361 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-13 04:40:44,362 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-13 04:40:44,362 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-13 04:40:44,362 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-13 04:40:44,362 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-13 04:40:44,362 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-13 04:40:44,362 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-13 04:40:44,362 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-13 04:40:44,362 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-13 04:40:44,362 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-13 04:40:44,363 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-13 04:40:44,363 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-13 04:40:44,363 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-13 04:40:44,363 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-13 04:40:44,363 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-13 04:40:44,363 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-13 04:40:44,363 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-13 04:40:44,363 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-13 04:40:44,363 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-13 04:40:44,363 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-13 04:40:44,363 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-13 04:40:44,363 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-13 04:40:44,363 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-13 04:40:44,363 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-13 04:40:44,363 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-13 04:40:44,364 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-13 04:40:44,364 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-13 04:40:44,364 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-13 04:40:44,364 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-13 04:40:44,364 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-13 04:40:44,364 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-13 04:40:44,364 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-13 04:40:44,364 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-13 04:40:44,364 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-13 04:40:44,364 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-13 04:40:44,364 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-13 04:40:44,364 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-13 04:40:44,364 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-13 04:40:44,364 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-13 04:40:44,364 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-13 04:40:44,364 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-13 04:40:44,364 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-13 04:40:44,364 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-13 04:40:44,364 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-13 04:40:44,365 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-13 04:40:44,365 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-13 04:40:44,365 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-13 04:40:44,365 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-13 04:40:44,365 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-13 04:40:44,365 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-13 04:40:44,365 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-13 04:40:44,365 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-13 04:40:44,365 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-13 04:40:44,365 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-13 04:40:44,366 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-13 04:40:44,366 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-13 04:40:44,366 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-13 04:40:44,366 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-13 04:40:44,366 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-13 04:40:44,366 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrk [2018-04-13 04:40:44,366 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-13 04:40:44,366 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-13 04:40:44,366 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-13 04:40:44,366 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-13 04:40:44,366 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-13 04:40:44,367 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-13 04:40:44,367 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-13 04:40:44,367 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-13 04:40:44,649 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-13 04:40:44,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.04 04:40:44 BoogieIcfgContainer [2018-04-13 04:40:44,650 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-13 04:40:44,650 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-13 04:40:44,650 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-13 04:40:44,653 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-13 04:40:44,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.04 04:40:43" (1/3) ... [2018-04-13 04:40:44,653 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@223f4144 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 04:40:44, skipping insertion in model container [2018-04-13 04:40:44,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 04:40:44" (2/3) ... [2018-04-13 04:40:44,654 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@223f4144 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 04:40:44, skipping insertion in model container [2018-04-13 04:40:44,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.04 04:40:44" (3/3) ... [2018-04-13 04:40:44,655 INFO L107 eAbstractionObserver]: Analyzing ICFG openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:40:44,660 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-13 04:40:44,665 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2018-04-13 04:40:44,687 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-13 04:40:44,687 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-13 04:40:44,688 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-13 04:40:44,688 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-13 04:40:44,688 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-13 04:40:44,688 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-13 04:40:44,688 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-13 04:40:44,688 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-13 04:40:44,688 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-13 04:40:44,688 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-13 04:40:44,697 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states. [2018-04-13 04:40:44,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-13 04:40:44,704 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 04:40:44,705 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 04:40:44,705 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr0RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr3RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr1RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-13 04:40:44,707 INFO L82 PathProgramCache]: Analyzing trace with hash 121930495, now seen corresponding path program 1 times [2018-04-13 04:40:44,708 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 04:40:44,709 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 04:40:44,736 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:40:44,736 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 04:40:44,737 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:40:44,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 04:40:44,777 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 04:40:44,791 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 04:40:44,791 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 04:40:44,791 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 04:40:44,792 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 04:40:44,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 04:40:44,829 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 04:40:44,859 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 04:40:44,860 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 04:40:44,865 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 04:40:44,865 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-13 04:40:44,882 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 04:40:44,883 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 04:40:44,884 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-04-13 04:40:44,884 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 04:40:44,891 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 04:40:44,891 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:15 [2018-04-13 04:40:44,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 04:40:44,904 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 04:40:44,904 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-13 04:40:44,906 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-13 04:40:44,913 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-13 04:40:44,914 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-04-13 04:40:44,915 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 5 states. [2018-04-13 04:40:45,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 04:40:45,003 INFO L93 Difference]: Finished difference Result 46 states and 50 transitions. [2018-04-13 04:40:45,003 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-13 04:40:45,004 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2018-04-13 04:40:45,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 04:40:45,013 INFO L225 Difference]: With dead ends: 46 [2018-04-13 04:40:45,013 INFO L226 Difference]: Without dead ends: 43 [2018-04-13 04:40:45,015 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-04-13 04:40:45,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-04-13 04:40:45,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-04-13 04:40:45,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-04-13 04:40:45,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 47 transitions. [2018-04-13 04:40:45,047 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 47 transitions. Word has length 13 [2018-04-13 04:40:45,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 04:40:45,047 INFO L459 AbstractCegarLoop]: Abstraction has 43 states and 47 transitions. [2018-04-13 04:40:45,047 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-13 04:40:45,048 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2018-04-13 04:40:45,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-13 04:40:45,048 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 04:40:45,048 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 04:40:45,048 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr0RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr3RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr1RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-13 04:40:45,049 INFO L82 PathProgramCache]: Analyzing trace with hash 121930496, now seen corresponding path program 1 times [2018-04-13 04:40:45,049 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 04:40:45,049 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 04:40:45,050 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:40:45,050 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 04:40:45,050 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:40:45,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 04:40:45,062 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 04:40:45,068 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 04:40:45,068 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 04:40:45,068 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 04:40:45,069 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 04:40:45,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 04:40:45,090 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 04:40:45,103 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 04:40:45,103 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 04:40:45,110 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 04:40:45,110 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 04:40:45,114 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 04:40:45,114 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:19, output treesize:17 [2018-04-13 04:40:45,134 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 04:40:45,135 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 04:40:45,136 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-13 04:40:45,136 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 04:40:45,145 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-04-13 04:40:45,146 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 04:40:45,152 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 04:40:45,152 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:28, output treesize:12 [2018-04-13 04:40:45,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 04:40:45,162 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 04:40:45,162 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-13 04:40:45,163 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-13 04:40:45,163 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-13 04:40:45,163 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-04-13 04:40:45,163 INFO L87 Difference]: Start difference. First operand 43 states and 47 transitions. Second operand 6 states. [2018-04-13 04:40:45,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 04:40:45,262 INFO L93 Difference]: Finished difference Result 42 states and 46 transitions. [2018-04-13 04:40:45,262 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-13 04:40:45,262 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2018-04-13 04:40:45,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 04:40:45,263 INFO L225 Difference]: With dead ends: 42 [2018-04-13 04:40:45,263 INFO L226 Difference]: Without dead ends: 42 [2018-04-13 04:40:45,264 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2018-04-13 04:40:45,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-04-13 04:40:45,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-04-13 04:40:45,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-04-13 04:40:45,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2018-04-13 04:40:45,266 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 13 [2018-04-13 04:40:45,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 04:40:45,266 INFO L459 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2018-04-13 04:40:45,266 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-13 04:40:45,267 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2018-04-13 04:40:45,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-13 04:40:45,267 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 04:40:45,267 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 04:40:45,267 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr0RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr3RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr1RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-13 04:40:45,267 INFO L82 PathProgramCache]: Analyzing trace with hash -515121957, now seen corresponding path program 1 times [2018-04-13 04:40:45,267 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 04:40:45,267 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 04:40:45,268 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:40:45,268 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 04:40:45,268 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:40:45,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 04:40:45,279 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 04:40:45,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 04:40:45,306 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 04:40:45,306 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-13 04:40:45,306 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-13 04:40:45,306 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-13 04:40:45,307 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-13 04:40:45,307 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand 4 states. [2018-04-13 04:40:45,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 04:40:45,332 INFO L93 Difference]: Finished difference Result 41 states and 45 transitions. [2018-04-13 04:40:45,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-13 04:40:45,332 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-04-13 04:40:45,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 04:40:45,333 INFO L225 Difference]: With dead ends: 41 [2018-04-13 04:40:45,333 INFO L226 Difference]: Without dead ends: 41 [2018-04-13 04:40:45,333 INFO L567 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 [2018-04-13 04:40:45,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-04-13 04:40:45,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-04-13 04:40:45,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-04-13 04:40:45,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2018-04-13 04:40:45,336 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 45 transitions. Word has length 14 [2018-04-13 04:40:45,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 04:40:45,336 INFO L459 AbstractCegarLoop]: Abstraction has 41 states and 45 transitions. [2018-04-13 04:40:45,336 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-13 04:40:45,336 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2018-04-13 04:40:45,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-13 04:40:45,336 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 04:40:45,336 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 04:40:45,336 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr0RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr3RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr1RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-13 04:40:45,336 INFO L82 PathProgramCache]: Analyzing trace with hash -515121956, now seen corresponding path program 1 times [2018-04-13 04:40:45,337 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 04:40:45,337 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 04:40:45,337 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:40:45,337 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 04:40:45,337 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:40:45,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 04:40:45,344 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 04:40:45,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 04:40:45,374 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 04:40:45,374 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-13 04:40:45,375 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-13 04:40:45,375 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-13 04:40:45,375 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-13 04:40:45,375 INFO L87 Difference]: Start difference. First operand 41 states and 45 transitions. Second operand 5 states. [2018-04-13 04:40:45,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 04:40:45,400 INFO L93 Difference]: Finished difference Result 40 states and 44 transitions. [2018-04-13 04:40:45,400 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-13 04:40:45,400 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-04-13 04:40:45,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 04:40:45,401 INFO L225 Difference]: With dead ends: 40 [2018-04-13 04:40:45,401 INFO L226 Difference]: Without dead ends: 40 [2018-04-13 04:40:45,401 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-04-13 04:40:45,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-04-13 04:40:45,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2018-04-13 04:40:45,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-04-13 04:40:45,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 44 transitions. [2018-04-13 04:40:45,404 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 44 transitions. Word has length 14 [2018-04-13 04:40:45,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 04:40:45,405 INFO L459 AbstractCegarLoop]: Abstraction has 40 states and 44 transitions. [2018-04-13 04:40:45,405 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-13 04:40:45,405 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2018-04-13 04:40:45,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-13 04:40:45,405 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 04:40:45,405 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 04:40:45,405 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr0RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr3RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr1RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-13 04:40:45,406 INFO L82 PathProgramCache]: Analyzing trace with hash 408036158, now seen corresponding path program 1 times [2018-04-13 04:40:45,406 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 04:40:45,406 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 04:40:45,406 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:40:45,406 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 04:40:45,406 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:40:45,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 04:40:45,417 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 04:40:45,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 04:40:45,444 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 04:40:45,444 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-13 04:40:45,444 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-13 04:40:45,444 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-13 04:40:45,444 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-13 04:40:45,445 INFO L87 Difference]: Start difference. First operand 40 states and 44 transitions. Second operand 6 states. [2018-04-13 04:40:45,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 04:40:45,505 INFO L93 Difference]: Finished difference Result 39 states and 43 transitions. [2018-04-13 04:40:45,505 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-13 04:40:45,506 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2018-04-13 04:40:45,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 04:40:45,506 INFO L225 Difference]: With dead ends: 39 [2018-04-13 04:40:45,506 INFO L226 Difference]: Without dead ends: 39 [2018-04-13 04:40:45,506 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-04-13 04:40:45,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-04-13 04:40:45,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2018-04-13 04:40:45,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-04-13 04:40:45,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 43 transitions. [2018-04-13 04:40:45,508 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 43 transitions. Word has length 19 [2018-04-13 04:40:45,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 04:40:45,508 INFO L459 AbstractCegarLoop]: Abstraction has 39 states and 43 transitions. [2018-04-13 04:40:45,508 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-13 04:40:45,509 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2018-04-13 04:40:45,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-13 04:40:45,509 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 04:40:45,509 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 04:40:45,509 INFO L408 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr0RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr3RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr1RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-13 04:40:45,509 INFO L82 PathProgramCache]: Analyzing trace with hash 408036159, now seen corresponding path program 1 times [2018-04-13 04:40:45,509 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 04:40:45,509 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 04:40:45,510 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:40:45,510 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 04:40:45,510 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:40:45,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 04:40:45,520 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 04:40:45,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 04:40:45,605 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 04:40:45,605 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-13 04:40:45,605 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-13 04:40:45,606 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-13 04:40:45,606 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-04-13 04:40:45,606 INFO L87 Difference]: Start difference. First operand 39 states and 43 transitions. Second operand 9 states. [2018-04-13 04:40:45,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 04:40:45,700 INFO L93 Difference]: Finished difference Result 44 states and 49 transitions. [2018-04-13 04:40:45,700 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-13 04:40:45,700 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2018-04-13 04:40:45,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 04:40:45,701 INFO L225 Difference]: With dead ends: 44 [2018-04-13 04:40:45,701 INFO L226 Difference]: Without dead ends: 44 [2018-04-13 04:40:45,701 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2018-04-13 04:40:45,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-04-13 04:40:45,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 42. [2018-04-13 04:40:45,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-04-13 04:40:45,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2018-04-13 04:40:45,704 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 19 [2018-04-13 04:40:45,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 04:40:45,705 INFO L459 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2018-04-13 04:40:45,705 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-13 04:40:45,705 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2018-04-13 04:40:45,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-13 04:40:45,705 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 04:40:45,705 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 04:40:45,705 INFO L408 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr0RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr3RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr1RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-13 04:40:45,706 INFO L82 PathProgramCache]: Analyzing trace with hash -1879477276, now seen corresponding path program 1 times [2018-04-13 04:40:45,706 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 04:40:45,706 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 04:40:45,707 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:40:45,707 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 04:40:45,707 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:40:45,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 04:40:45,716 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 04:40:45,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 04:40:45,749 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 04:40:45,749 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-13 04:40:45,749 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-13 04:40:45,749 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-13 04:40:45,749 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-04-13 04:40:45,749 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand 7 states. [2018-04-13 04:40:45,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 04:40:45,814 INFO L93 Difference]: Finished difference Result 46 states and 51 transitions. [2018-04-13 04:40:45,814 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-13 04:40:45,814 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2018-04-13 04:40:45,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 04:40:45,816 INFO L225 Difference]: With dead ends: 46 [2018-04-13 04:40:45,816 INFO L226 Difference]: Without dead ends: 46 [2018-04-13 04:40:45,817 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-04-13 04:40:45,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-04-13 04:40:45,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 41. [2018-04-13 04:40:45,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-04-13 04:40:45,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2018-04-13 04:40:45,819 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 45 transitions. Word has length 23 [2018-04-13 04:40:45,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 04:40:45,820 INFO L459 AbstractCegarLoop]: Abstraction has 41 states and 45 transitions. [2018-04-13 04:40:45,820 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-13 04:40:45,820 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2018-04-13 04:40:45,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-13 04:40:45,820 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 04:40:45,820 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 04:40:45,820 INFO L408 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr0RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr3RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr1RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-13 04:40:45,820 INFO L82 PathProgramCache]: Analyzing trace with hash -1879477275, now seen corresponding path program 1 times [2018-04-13 04:40:45,820 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 04:40:45,820 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 04:40:45,821 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:40:45,821 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 04:40:45,821 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:40:45,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 04:40:45,833 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 04:40:45,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 04:40:45,910 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 04:40:45,910 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-04-13 04:40:45,910 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-13 04:40:45,910 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-13 04:40:45,910 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-04-13 04:40:45,910 INFO L87 Difference]: Start difference. First operand 41 states and 45 transitions. Second operand 10 states. [2018-04-13 04:40:45,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 04:40:46,000 INFO L93 Difference]: Finished difference Result 45 states and 50 transitions. [2018-04-13 04:40:46,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-13 04:40:46,000 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 23 [2018-04-13 04:40:46,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 04:40:46,001 INFO L225 Difference]: With dead ends: 45 [2018-04-13 04:40:46,001 INFO L226 Difference]: Without dead ends: 45 [2018-04-13 04:40:46,001 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2018-04-13 04:40:46,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-04-13 04:40:46,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 43. [2018-04-13 04:40:46,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-04-13 04:40:46,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 47 transitions. [2018-04-13 04:40:46,004 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 47 transitions. Word has length 23 [2018-04-13 04:40:46,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 04:40:46,004 INFO L459 AbstractCegarLoop]: Abstraction has 43 states and 47 transitions. [2018-04-13 04:40:46,004 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-13 04:40:46,004 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2018-04-13 04:40:46,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-13 04:40:46,005 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 04:40:46,005 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 04:40:46,005 INFO L408 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr0RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr3RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr1RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-13 04:40:46,005 INFO L82 PathProgramCache]: Analyzing trace with hash 1201678180, now seen corresponding path program 1 times [2018-04-13 04:40:46,005 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 04:40:46,005 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 04:40:46,006 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:40:46,006 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 04:40:46,006 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:40:46,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 04:40:46,019 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 04:40:46,022 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 04:40:46,022 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 04:40:46,022 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 04:40:46,023 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 04:40:46,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 04:40:46,059 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 04:40:46,067 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 04:40:46,068 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 04:40:46,071 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 04:40:46,071 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-04-13 04:40:46,082 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 04:40:46,083 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 04:40:46,083 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-13 04:40:46,083 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 04:40:46,086 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 04:40:46,086 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:11 [2018-04-13 04:40:46,101 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-04-13 04:40:46,103 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-04-13 04:40:46,103 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 04:40:46,105 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 04:40:46,110 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 04:40:46,110 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:30, output treesize:26 [2018-04-13 04:40:46,121 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 26 [2018-04-13 04:40:46,123 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-04-13 04:40:46,123 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 04:40:46,127 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 04:40:46,134 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-04-13 04:40:46,134 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:40, output treesize:36 [2018-04-13 04:40:46,201 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 26 [2018-04-13 04:40:46,203 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-04-13 04:40:46,203 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 04:40:46,208 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 04:40:46,208 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2018-04-13 04:40:46,208 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 04:40:46,210 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 04:40:46,217 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 04:40:46,217 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:49, output treesize:8 [2018-04-13 04:40:46,249 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 04:40:46,249 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 04:40:46,250 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-04-13 04:40:46,250 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-13 04:40:46,250 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-13 04:40:46,250 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2018-04-13 04:40:46,250 INFO L87 Difference]: Start difference. First operand 43 states and 47 transitions. Second operand 14 states. [2018-04-13 04:40:46,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 04:40:46,629 INFO L93 Difference]: Finished difference Result 67 states and 71 transitions. [2018-04-13 04:40:46,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-13 04:40:46,629 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 28 [2018-04-13 04:40:46,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 04:40:46,630 INFO L225 Difference]: With dead ends: 67 [2018-04-13 04:40:46,630 INFO L226 Difference]: Without dead ends: 67 [2018-04-13 04:40:46,630 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=118, Invalid=532, Unknown=0, NotChecked=0, Total=650 [2018-04-13 04:40:46,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-04-13 04:40:46,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 60. [2018-04-13 04:40:46,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-04-13 04:40:46,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 65 transitions. [2018-04-13 04:40:46,632 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 65 transitions. Word has length 28 [2018-04-13 04:40:46,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 04:40:46,632 INFO L459 AbstractCegarLoop]: Abstraction has 60 states and 65 transitions. [2018-04-13 04:40:46,633 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-13 04:40:46,633 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 65 transitions. [2018-04-13 04:40:46,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-13 04:40:46,633 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 04:40:46,633 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 04:40:46,633 INFO L408 AbstractCegarLoop]: === Iteration 10 === [__U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr0RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr3RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr1RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-13 04:40:46,634 INFO L82 PathProgramCache]: Analyzing trace with hash 1420532898, now seen corresponding path program 1 times [2018-04-13 04:40:46,634 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 04:40:46,634 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 04:40:46,634 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:40:46,634 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 04:40:46,634 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:40:46,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 04:40:46,643 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 04:40:46,646 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 04:40:46,647 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 04:40:46,647 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 04:40:46,647 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 04:40:46,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 04:40:46,676 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 04:40:46,687 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 04:40:46,687 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 04:40:46,691 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 04:40:46,691 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 04:40:46,694 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 04:40:46,695 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-04-13 04:40:46,708 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 04:40:46,708 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 04:40:46,709 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-13 04:40:46,709 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 04:40:46,717 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-04-13 04:40:46,717 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 04:40:46,723 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 04:40:46,724 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2018-04-13 04:40:46,737 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-04-13 04:40:46,738 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-04-13 04:40:46,738 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 04:40:46,739 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 04:40:46,744 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 04:40:46,745 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:36, output treesize:32 [2018-04-13 04:40:46,759 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-13 04:40:46,760 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-04-13 04:40:46,760 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 04:40:46,764 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 04:40:46,770 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 04:40:46,770 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:43, output treesize:39 [2018-04-13 04:40:46,901 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2018-04-13 04:40:46,903 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 1 [2018-04-13 04:40:46,903 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 04:40:46,911 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 15 [2018-04-13 04:40:46,911 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-13 04:40:46,913 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 04:40:46,921 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-13 04:40:46,921 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:56, output treesize:54 [2018-04-13 04:40:47,004 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 04:40:47,005 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 04:40:47,005 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-04-13 04:40:47,005 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-13 04:40:47,005 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-13 04:40:47,005 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2018-04-13 04:40:47,005 INFO L87 Difference]: Start difference. First operand 60 states and 65 transitions. Second operand 15 states. [2018-04-13 04:40:48,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 04:40:48,783 INFO L93 Difference]: Finished difference Result 83 states and 92 transitions. [2018-04-13 04:40:48,783 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-04-13 04:40:48,784 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 28 [2018-04-13 04:40:48,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 04:40:48,784 INFO L225 Difference]: With dead ends: 83 [2018-04-13 04:40:48,784 INFO L226 Difference]: Without dead ends: 83 [2018-04-13 04:40:48,785 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=115, Invalid=641, Unknown=0, NotChecked=0, Total=756 [2018-04-13 04:40:48,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2018-04-13 04:40:48,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 72. [2018-04-13 04:40:48,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-04-13 04:40:48,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 81 transitions. [2018-04-13 04:40:48,789 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 81 transitions. Word has length 28 [2018-04-13 04:40:48,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 04:40:48,790 INFO L459 AbstractCegarLoop]: Abstraction has 72 states and 81 transitions. [2018-04-13 04:40:48,790 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-13 04:40:48,790 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 81 transitions. [2018-04-13 04:40:48,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-13 04:40:48,790 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 04:40:48,790 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 04:40:48,791 INFO L408 AbstractCegarLoop]: === Iteration 11 === [__U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr0RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr3RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr1RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-13 04:40:48,791 INFO L82 PathProgramCache]: Analyzing trace with hash 1420619804, now seen corresponding path program 1 times [2018-04-13 04:40:48,791 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 04:40:48,791 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 04:40:48,792 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:40:48,792 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 04:40:48,792 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:40:48,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 04:40:48,802 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 04:40:48,882 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 04:40:48,882 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 04:40:48,882 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-04-13 04:40:48,882 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-13 04:40:48,883 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-13 04:40:48,883 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2018-04-13 04:40:48,883 INFO L87 Difference]: Start difference. First operand 72 states and 81 transitions. Second operand 12 states. [2018-04-13 04:40:49,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 04:40:49,054 INFO L93 Difference]: Finished difference Result 135 states and 145 transitions. [2018-04-13 04:40:49,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-13 04:40:49,054 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 28 [2018-04-13 04:40:49,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 04:40:49,055 INFO L225 Difference]: With dead ends: 135 [2018-04-13 04:40:49,055 INFO L226 Difference]: Without dead ends: 135 [2018-04-13 04:40:49,055 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=405, Unknown=0, NotChecked=0, Total=506 [2018-04-13 04:40:49,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-04-13 04:40:49,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 104. [2018-04-13 04:40:49,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-04-13 04:40:49,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 116 transitions. [2018-04-13 04:40:49,059 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 116 transitions. Word has length 28 [2018-04-13 04:40:49,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 04:40:49,059 INFO L459 AbstractCegarLoop]: Abstraction has 104 states and 116 transitions. [2018-04-13 04:40:49,060 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-13 04:40:49,060 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 116 transitions. [2018-04-13 04:40:49,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-13 04:40:49,060 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 04:40:49,060 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 04:40:49,060 INFO L408 AbstractCegarLoop]: === Iteration 12 === [__U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr0RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr3RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr1RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-13 04:40:49,060 INFO L82 PathProgramCache]: Analyzing trace with hash 1843321630, now seen corresponding path program 1 times [2018-04-13 04:40:49,061 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 04:40:49,061 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 04:40:49,061 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:40:49,061 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 04:40:49,061 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:40:49,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 04:40:49,072 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 04:40:49,257 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 04:40:49,257 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 04:40:49,257 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 04:40:49,258 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 04:40:49,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 04:40:49,280 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 04:40:49,282 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 04:40:49,283 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 04:40:49,286 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 04:40:49,287 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-04-13 04:40:49,322 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-04-13 04:40:49,324 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-04-13 04:40:49,324 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 04:40:49,326 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 04:40:49,331 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 04:40:49,331 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:32, output treesize:23 [2018-04-13 04:40:49,462 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2018-04-13 04:40:49,467 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 15 [2018-04-13 04:40:49,468 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-13 04:40:49,470 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 04:40:49,477 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-13 04:40:49,477 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:40, output treesize:54 [2018-04-13 04:40:49,572 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 04:40:49,573 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-13 04:40:49,573 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2018-04-13 04:40:49,573 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-04-13 04:40:49,573 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-04-13 04:40:49,574 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=538, Unknown=0, NotChecked=0, Total=600 [2018-04-13 04:40:49,574 INFO L87 Difference]: Start difference. First operand 104 states and 116 transitions. Second operand 25 states. [2018-04-13 04:40:50,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 04:40:50,278 INFO L93 Difference]: Finished difference Result 135 states and 154 transitions. [2018-04-13 04:40:50,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-13 04:40:50,278 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 28 [2018-04-13 04:40:50,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 04:40:50,279 INFO L225 Difference]: With dead ends: 135 [2018-04-13 04:40:50,279 INFO L226 Difference]: Without dead ends: 135 [2018-04-13 04:40:50,280 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=183, Invalid=1149, Unknown=0, NotChecked=0, Total=1332 [2018-04-13 04:40:50,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-04-13 04:40:50,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 114. [2018-04-13 04:40:50,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-04-13 04:40:50,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 130 transitions. [2018-04-13 04:40:50,285 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 130 transitions. Word has length 28 [2018-04-13 04:40:50,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 04:40:50,285 INFO L459 AbstractCegarLoop]: Abstraction has 114 states and 130 transitions. [2018-04-13 04:40:50,285 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-04-13 04:40:50,285 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 130 transitions. [2018-04-13 04:40:50,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-13 04:40:50,286 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 04:40:50,286 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 04:40:50,286 INFO L408 AbstractCegarLoop]: === Iteration 13 === [__U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr0RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr3RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr1RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-13 04:40:50,286 INFO L82 PathProgramCache]: Analyzing trace with hash -1739552138, now seen corresponding path program 1 times [2018-04-13 04:40:50,286 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 04:40:50,286 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 04:40:50,287 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:40:50,287 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 04:40:50,287 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:40:50,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 04:40:50,294 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 04:40:50,295 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 04:40:50,296 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 04:40:50,296 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 04:40:50,296 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 04:40:50,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 04:40:50,309 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 04:40:50,341 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 04:40:50,342 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 27 [2018-04-13 04:40:50,346 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2018-04-13 04:40:50,346 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 04:40:50,350 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 04:40:50,354 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 04:40:50,354 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-04-13 04:40:50,383 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc8.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc8.base| 1))) (and (= 0 (select .cse0 |c_main_#t~malloc9.base|)) (= |c_#valid| (store (store .cse0 |c_main_#t~malloc9.base| 1) |main_#t~malloc8.base| 0)) (= 0 (select |c_old(#valid)| |main_#t~malloc8.base|))))) is different from true [2018-04-13 04:40:50,387 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc8.base| Int) (|main_#t~malloc9.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc8.base| 1))) (and (= 0 (select .cse0 |main_#t~malloc9.base|)) (= |c_#valid| (store (store (store .cse0 |main_#t~malloc9.base| 1) |main_#t~malloc8.base| 0) |main_#t~malloc9.base| 0)) (= 0 (select |c_old(#valid)| |main_#t~malloc8.base|))))) is different from true [2018-04-13 04:40:50,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 04:40:50,391 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 04:40:50,391 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-13 04:40:50,391 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-13 04:40:50,391 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-13 04:40:50,392 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=22, Unknown=2, NotChecked=18, Total=56 [2018-04-13 04:40:50,392 INFO L87 Difference]: Start difference. First operand 114 states and 130 transitions. Second operand 8 states. [2018-04-13 04:40:50,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 04:40:50,459 INFO L93 Difference]: Finished difference Result 113 states and 129 transitions. [2018-04-13 04:40:50,459 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-13 04:40:50,459 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 30 [2018-04-13 04:40:50,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 04:40:50,459 INFO L225 Difference]: With dead ends: 113 [2018-04-13 04:40:50,460 INFO L226 Difference]: Without dead ends: 84 [2018-04-13 04:40:50,460 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 21 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=30, Unknown=2, NotChecked=22, Total=72 [2018-04-13 04:40:50,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2018-04-13 04:40:50,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2018-04-13 04:40:50,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2018-04-13 04:40:50,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 91 transitions. [2018-04-13 04:40:50,464 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 91 transitions. Word has length 30 [2018-04-13 04:40:50,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 04:40:50,464 INFO L459 AbstractCegarLoop]: Abstraction has 84 states and 91 transitions. [2018-04-13 04:40:50,464 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-13 04:40:50,465 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 91 transitions. [2018-04-13 04:40:50,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-04-13 04:40:50,465 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 04:40:50,465 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 04:40:50,465 INFO L408 AbstractCegarLoop]: === Iteration 14 === [__U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr0RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr3RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr1RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-13 04:40:50,466 INFO L82 PathProgramCache]: Analyzing trace with hash 1967697733, now seen corresponding path program 2 times [2018-04-13 04:40:50,466 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 04:40:50,466 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 04:40:50,466 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:40:50,466 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 04:40:50,473 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:40:50,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 04:40:50,481 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 04:40:50,736 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 04:40:50,737 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 04:40:50,737 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 04:40:50,737 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-13 04:40:50,756 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-13 04:40:50,756 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-13 04:40:50,758 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 04:40:50,763 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 04:40:50,763 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 04:40:50,766 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 04:40:50,766 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-13 04:40:50,783 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-04-13 04:40:50,784 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-04-13 04:40:50,784 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 04:40:50,785 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 04:40:50,788 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 04:40:50,788 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:20, output treesize:16 [2018-04-13 04:40:50,936 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2018-04-13 04:40:50,940 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 14 [2018-04-13 04:40:50,940 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-13 04:40:50,942 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 04:40:50,947 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-13 04:40:50,947 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:35, output treesize:38 [2018-04-13 04:40:51,041 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 04:40:51,041 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-13 04:40:51,041 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2018-04-13 04:40:51,041 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-04-13 04:40:51,041 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-04-13 04:40:51,042 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2018-04-13 04:40:51,042 INFO L87 Difference]: Start difference. First operand 84 states and 91 transitions. Second operand 27 states. [2018-04-13 04:40:51,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 04:40:51,843 INFO L93 Difference]: Finished difference Result 119 states and 130 transitions. [2018-04-13 04:40:51,843 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-04-13 04:40:51,843 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 33 [2018-04-13 04:40:51,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 04:40:51,843 INFO L225 Difference]: With dead ends: 119 [2018-04-13 04:40:51,843 INFO L226 Difference]: Without dead ends: 119 [2018-04-13 04:40:51,844 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 295 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=253, Invalid=1639, Unknown=0, NotChecked=0, Total=1892 [2018-04-13 04:40:51,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-04-13 04:40:51,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 94. [2018-04-13 04:40:51,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-04-13 04:40:51,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 103 transitions. [2018-04-13 04:40:51,847 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 103 transitions. Word has length 33 [2018-04-13 04:40:51,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 04:40:51,847 INFO L459 AbstractCegarLoop]: Abstraction has 94 states and 103 transitions. [2018-04-13 04:40:51,847 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-04-13 04:40:51,847 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 103 transitions. [2018-04-13 04:40:51,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-04-13 04:40:51,848 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 04:40:51,848 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 04:40:51,848 INFO L408 AbstractCegarLoop]: === Iteration 15 === [__U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr0RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr3RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr1RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-13 04:40:51,849 INFO L82 PathProgramCache]: Analyzing trace with hash 239439201, now seen corresponding path program 2 times [2018-04-13 04:40:51,849 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 04:40:51,849 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 04:40:51,849 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:40:51,849 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-13 04:40:51,850 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:40:51,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 04:40:51,856 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 04:40:51,861 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 04:40:51,861 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 04:40:51,861 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 04:40:51,862 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-13 04:40:51,880 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-13 04:40:51,880 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-13 04:40:51,883 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 04:40:51,916 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 04:40:51,916 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 04:40:51,921 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 04:40:51,921 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 04:40:51,924 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 04:40:51,925 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:19, output treesize:17 [2018-04-13 04:40:51,939 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 04:40:51,940 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-04-13 04:40:51,940 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 04:40:51,952 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 04:40:51,953 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 04:40:51,953 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-13 04:40:51,954 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 04:40:51,959 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 04:40:51,959 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:28, output treesize:21 [2018-04-13 04:40:51,977 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-04-13 04:40:51,987 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-04-13 04:40:51,987 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 04:40:51,988 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 04:40:51,993 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 04:40:51,993 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:37, output treesize:30 [2018-04-13 04:40:52,004 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-13 04:40:52,005 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-04-13 04:40:52,006 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 04:40:52,009 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 04:40:52,015 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 04:40:52,015 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:41, output treesize:37 [2018-04-13 04:40:52,110 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 31 [2018-04-13 04:40:52,112 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 1 [2018-04-13 04:40:52,112 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 04:40:52,119 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 14 [2018-04-13 04:40:52,119 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-13 04:40:52,121 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 04:40:52,128 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-13 04:40:52,128 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:56, output treesize:46 [2018-04-13 04:40:52,232 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 04:40:52,233 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 04:40:52,233 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-04-13 04:40:52,233 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-04-13 04:40:52,233 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-04-13 04:40:52,233 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2018-04-13 04:40:52,234 INFO L87 Difference]: Start difference. First operand 94 states and 103 transitions. Second operand 19 states. [2018-04-13 04:40:52,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 04:40:52,933 INFO L93 Difference]: Finished difference Result 131 states and 142 transitions. [2018-04-13 04:40:52,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-04-13 04:40:52,933 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 37 [2018-04-13 04:40:52,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 04:40:52,934 INFO L225 Difference]: With dead ends: 131 [2018-04-13 04:40:52,934 INFO L226 Difference]: Without dead ends: 131 [2018-04-13 04:40:52,934 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=133, Invalid=923, Unknown=0, NotChecked=0, Total=1056 [2018-04-13 04:40:52,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-04-13 04:40:52,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 125. [2018-04-13 04:40:52,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-04-13 04:40:52,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 138 transitions. [2018-04-13 04:40:52,938 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 138 transitions. Word has length 37 [2018-04-13 04:40:52,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 04:40:52,938 INFO L459 AbstractCegarLoop]: Abstraction has 125 states and 138 transitions. [2018-04-13 04:40:52,938 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-04-13 04:40:52,938 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 138 transitions. [2018-04-13 04:40:52,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-04-13 04:40:52,939 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 04:40:52,939 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 04:40:52,939 INFO L408 AbstractCegarLoop]: === Iteration 16 === [__U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr0RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr3RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr1RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-13 04:40:52,939 INFO L82 PathProgramCache]: Analyzing trace with hash -1385145474, now seen corresponding path program 3 times [2018-04-13 04:40:52,939 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 04:40:52,939 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 04:40:52,940 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:40:52,940 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-13 04:40:52,940 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:40:52,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 04:40:52,947 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 04:40:53,082 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-04-13 04:40:53,082 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 04:40:53,082 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 04:40:53,083 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-04-13 04:40:53,118 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-04-13 04:40:53,119 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-13 04:40:53,122 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 04:40:53,131 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 04:40:53,131 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 04:40:53,134 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 04:40:53,134 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-13 04:40:53,141 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 12 [2018-04-13 04:40:53,143 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-13 04:40:53,143 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 04:40:53,144 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 04:40:53,145 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 04:40:53,146 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:15, output treesize:11 [2018-04-13 04:40:53,206 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2018-04-13 04:40:53,213 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 14 [2018-04-13 04:40:53,214 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-13 04:40:53,217 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 04:40:53,223 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-13 04:40:53,223 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:29, output treesize:32 [2018-04-13 04:40:53,281 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-04-13 04:40:53,281 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-13 04:40:53,282 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 16 [2018-04-13 04:40:53,282 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-13 04:40:53,282 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-13 04:40:53,282 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2018-04-13 04:40:53,282 INFO L87 Difference]: Start difference. First operand 125 states and 138 transitions. Second operand 17 states. [2018-04-13 04:40:53,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 04:40:53,589 INFO L93 Difference]: Finished difference Result 124 states and 135 transitions. [2018-04-13 04:40:53,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-13 04:40:53,590 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 38 [2018-04-13 04:40:53,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 04:40:53,590 INFO L225 Difference]: With dead ends: 124 [2018-04-13 04:40:53,590 INFO L226 Difference]: Without dead ends: 124 [2018-04-13 04:40:53,591 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 29 SyntacticMatches, 7 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=166, Invalid=646, Unknown=0, NotChecked=0, Total=812 [2018-04-13 04:40:53,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-04-13 04:40:53,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 88. [2018-04-13 04:40:53,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2018-04-13 04:40:53,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 93 transitions. [2018-04-13 04:40:53,594 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 93 transitions. Word has length 38 [2018-04-13 04:40:53,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 04:40:53,594 INFO L459 AbstractCegarLoop]: Abstraction has 88 states and 93 transitions. [2018-04-13 04:40:53,594 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-13 04:40:53,594 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 93 transitions. [2018-04-13 04:40:53,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-04-13 04:40:53,595 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 04:40:53,595 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 04:40:53,595 INFO L408 AbstractCegarLoop]: === Iteration 17 === [__U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr0RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr3RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr1RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-13 04:40:53,595 INFO L82 PathProgramCache]: Analyzing trace with hash 765789058, now seen corresponding path program 3 times [2018-04-13 04:40:53,595 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 04:40:53,595 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 04:40:53,596 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:40:53,596 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-13 04:40:53,596 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:40:53,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 04:40:53,605 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 04:40:53,610 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 04:40:53,610 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 04:40:53,610 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 04:40:53,611 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-04-13 04:40:53,643 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-04-13 04:40:53,643 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-13 04:40:53,647 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 04:40:53,650 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 04:40:53,651 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 04:40:53,656 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 04:40:53,656 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 04:40:53,660 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 04:40:53,661 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-04-13 04:40:53,675 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 04:40:53,677 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-04-13 04:40:53,677 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 04:40:53,690 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 04:40:53,691 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 04:40:53,691 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-13 04:40:53,692 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 04:40:53,697 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 04:40:53,697 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2018-04-13 04:40:53,718 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 12 [2018-04-13 04:40:53,719 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-13 04:40:53,720 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 04:40:53,721 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 04:40:53,726 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 04:40:53,726 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:25, output treesize:21 [2018-04-13 04:40:53,741 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 29 [2018-04-13 04:40:53,743 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-04-13 04:40:53,744 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 04:40:53,748 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 04:40:53,753 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 04:40:53,753 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:32, output treesize:28 [2018-04-13 04:40:53,830 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 31 [2018-04-13 04:40:53,836 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 14 [2018-04-13 04:40:53,837 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-13 04:40:53,843 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 1 [2018-04-13 04:40:53,843 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 04:40:53,847 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 04:40:53,853 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-13 04:40:53,853 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:45, output treesize:32 [2018-04-13 04:40:53,922 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-04-13 04:40:53,922 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 04:40:53,922 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-04-13 04:40:53,923 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-13 04:40:53,923 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-13 04:40:53,923 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2018-04-13 04:40:53,923 INFO L87 Difference]: Start difference. First operand 88 states and 93 transitions. Second operand 15 states. [2018-04-13 04:40:54,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 04:40:54,466 INFO L93 Difference]: Finished difference Result 87 states and 91 transitions. [2018-04-13 04:40:54,466 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-13 04:40:54,466 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 46 [2018-04-13 04:40:54,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 04:40:54,466 INFO L225 Difference]: With dead ends: 87 [2018-04-13 04:40:54,466 INFO L226 Difference]: Without dead ends: 0 [2018-04-13 04:40:54,467 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=139, Invalid=617, Unknown=0, NotChecked=0, Total=756 [2018-04-13 04:40:54,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-13 04:40:54,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-13 04:40:54,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-13 04:40:54,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-13 04:40:54,467 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 46 [2018-04-13 04:40:54,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 04:40:54,467 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-13 04:40:54,467 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-13 04:40:54,467 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-13 04:40:54,467 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-13 04:40:54,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.04 04:40:54 BoogieIcfgContainer [2018-04-13 04:40:54,470 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-13 04:40:54,471 INFO L168 Benchmark]: Toolchain (without parser) took 10505.26 ms. Allocated memory was 397.9 MB in the beginning and 774.4 MB in the end (delta: 376.4 MB). Free memory was 333.8 MB in the beginning and 651.8 MB in the end (delta: -318.0 MB). Peak memory consumption was 58.4 MB. Max. memory is 5.3 GB. [2018-04-13 04:40:54,471 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 397.9 MB. Free memory is still 358.2 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-13 04:40:54,471 INFO L168 Benchmark]: CACSL2BoogieTranslator took 271.64 ms. Allocated memory is still 397.9 MB. Free memory was 333.8 MB in the beginning and 310.0 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 5.3 GB. [2018-04-13 04:40:54,472 INFO L168 Benchmark]: Boogie Preprocessor took 37.18 ms. Allocated memory is still 397.9 MB. Free memory was 310.0 MB in the beginning and 307.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-13 04:40:54,472 INFO L168 Benchmark]: RCFGBuilder took 373.85 ms. Allocated memory was 397.9 MB in the beginning and 600.8 MB in the end (delta: 202.9 MB). Free memory was 307.4 MB in the beginning and 536.6 MB in the end (delta: -229.2 MB). Peak memory consumption was 24.6 MB. Max. memory is 5.3 GB. [2018-04-13 04:40:54,472 INFO L168 Benchmark]: TraceAbstraction took 9819.93 ms. Allocated memory was 600.8 MB in the beginning and 774.4 MB in the end (delta: 173.5 MB). Free memory was 536.6 MB in the beginning and 651.8 MB in the end (delta: -115.3 MB). Peak memory consumption was 58.3 MB. Max. memory is 5.3 GB. [2018-04-13 04:40:54,473 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 397.9 MB. Free memory is still 358.2 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 271.64 ms. Allocated memory is still 397.9 MB. Free memory was 333.8 MB in the beginning and 310.0 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 37.18 ms. Allocated memory is still 397.9 MB. Free memory was 310.0 MB in the beginning and 307.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 373.85 ms. Allocated memory was 397.9 MB in the beginning and 600.8 MB in the end (delta: 202.9 MB). Free memory was 307.4 MB in the beginning and 536.6 MB in the end (delta: -229.2 MB). Peak memory consumption was 24.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 9819.93 ms. Allocated memory was 600.8 MB in the beginning and 774.4 MB in the end (delta: 173.5 MB). Free memory was 536.6 MB in the beginning and 651.8 MB in the end (delta: -115.3 MB). Peak memory consumption was 58.3 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 545]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 545]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 564]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 563]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 564]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 552]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 563]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 9 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 53 locations, 9 error locations. SAFE Result, 9.7s OverallTime, 17 OverallIterations, 4 TraceHistogramMax, 6.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 550 SDtfs, 986 SDslu, 3183 SDs, 0 SdLazy, 2766 SolverSat, 203 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 2.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 496 GetRequests, 192 SyntacticMatches, 10 SemanticMatches, 294 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 1128 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=125occurred in iteration=15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 17 MinimizatonAttempts, 146 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 728 NumberOfCodeBlocks, 728 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 513 ConstructedInterpolants, 71 QuantifiedInterpolants, 193748 SizeOfPredicates, 110 NumberOfNonLiveVariables, 1394 ConjunctsInSsa, 336 ConjunctsInUnsatCore, 20 InterpolantComputations, 11 PerfectInterpolantSequences, 36/123 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-13_04-40-54-477.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-13_04-40-54-477.csv Received shutdown request...