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_Array.epf -i ../../../trunk/examples/svcomp/array-memsafety/openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-408c70d-m [2018-04-12 20:12:40,316 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-12 20:12:40,317 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-12 20:12:40,331 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-12 20:12:40,331 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-12 20:12:40,332 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-12 20:12:40,333 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-12 20:12:40,334 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-12 20:12:40,336 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-12 20:12:40,337 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-12 20:12:40,338 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-12 20:12:40,338 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-12 20:12:40,339 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-12 20:12:40,340 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-12 20:12:40,340 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-12 20:12:40,342 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-12 20:12:40,344 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-12 20:12:40,346 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-12 20:12:40,347 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-12 20:12:40,348 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-12 20:12:40,350 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-04-12 20:12:40,355 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-12 20:12:40,355 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-12 20:12:40,356 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_Array.epf [2018-04-12 20:12:40,366 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-12 20:12:40,366 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-12 20:12:40,367 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-12 20:12:40,368 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-12 20:12:40,368 INFO L133 SettingsManager]: * Use SBE=true [2018-04-12 20:12:40,368 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-12 20:12:40,368 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-12 20:12:40,368 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-12 20:12:40,369 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-12 20:12:40,369 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-12 20:12:40,369 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-12 20:12:40,369 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-12 20:12:40,369 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-12 20:12:40,369 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-12 20:12:40,370 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-12 20:12:40,370 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-12 20:12:40,370 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-12 20:12:40,370 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-12 20:12:40,370 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-12 20:12:40,370 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-12 20:12:40,371 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-12 20:12:40,371 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-12 20:12:40,401 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-12 20:12:40,412 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-12 20:12:40,416 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-12 20:12:40,417 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-12 20:12:40,417 INFO L276 PluginConnector]: CDTParser initialized [2018-04-12 20:12:40,418 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,697 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG0c685822b [2018-04-12 20:12:40,835 INFO L287 CDTParser]: IsIndexed: true [2018-04-12 20:12:40,835 INFO L288 CDTParser]: Found 1 translation units. [2018-04-12 20:12:40,836 INFO L168 CDTParser]: Scanning openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,845 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-12 20:12:40,845 INFO L215 ultiparseSymbolTable]: [2018-04-12 20:12:40,845 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-12 20:12:40,845 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i____bswap_32 ('__bswap_32') in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,845 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i____bswap_64 ('__bswap_64') in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,845 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,845 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn ('cstrcspn') in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,846 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-12 20:12:40,846 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i____uint16_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,846 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i____fsid_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,846 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i____off_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,846 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__daddr_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,846 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i____quad_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,846 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i____ino64_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,846 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i____gid_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,846 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__clock_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,847 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i____ino_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,847 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i____pid_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,847 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__pthread_barrier_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,847 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__fd_mask in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,847 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__u_long in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,847 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,847 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i____u_quad_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,847 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__ushort in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,847 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__ulong in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,847 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__fsid_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,847 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__u_int32_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,848 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i____daddr_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,848 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__clockid_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,848 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__suseconds_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,848 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__int64_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,848 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i____WAIT_STATUS in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,848 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i____clock_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,848 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i____loff_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,848 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__pthread_condattr_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,848 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__u_int8_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,848 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i____syscall_ulong_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,848 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__nlink_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,849 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__uint in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,849 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i____fd_mask in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,849 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__pthread_rwlock_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,849 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i____useconds_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,849 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i____blksize_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,849 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__id_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,849 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i____qaddr_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,849 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i____fsblkcnt_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,849 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i____sig_atomic_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,849 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i____rlim64_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,849 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i____uid_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,850 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i____uint8_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,850 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__u_quad_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,850 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i____uint64_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,850 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i____fsword_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,850 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__loff_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,850 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__ssize_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,850 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i____key_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,850 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i____int64_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,850 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__sigset_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,850 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__pthread_mutex_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,850 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__register_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,850 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__pthread_barrierattr_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,850 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i____syscall_slong_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,850 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__dev_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,850 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i____u_int in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,850 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__time_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,850 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__pthread_key_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,850 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i____blkcnt_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,851 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__fsfilcnt_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,851 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i____ssize_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,851 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__int32_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,851 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__ino_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,851 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__pid_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,851 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i____fsfilcnt64_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,851 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__int8_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,851 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__u_int64_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,851 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i____mode_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,851 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i____socklen_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,851 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i____time_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,851 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__u_short in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,851 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i____blkcnt64_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,851 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__ldiv_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,851 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__gid_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,851 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__u_int in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,851 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__timer_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,851 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i____int8_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,851 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i____fsblkcnt64_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,852 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__key_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,852 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i____u_short in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,852 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__mode_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,852 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i____fsfilcnt_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,852 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__pthread_mutexattr_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,852 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i____nlink_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,852 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__fsblkcnt_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,852 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i____timer_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,852 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i____int32_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,852 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__pthread_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,852 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i____id_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,852 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__wchar_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,853 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__fd_set in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,853 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__blksize_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,853 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__int16_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,853 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i____dev_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,853 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__uid_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,853 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__lldiv_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,853 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__pthread_attr_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,853 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i____off64_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,853 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i____suseconds_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,853 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i____caddr_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,853 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i____u_char in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,854 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i____rlim_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,854 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__caddr_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,854 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__pthread_cond_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,854 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__blkcnt_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,854 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__quad_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,854 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i____clockid_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,854 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__pthread_spinlock_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,854 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i____sigset_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,854 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i____pthread_list_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,854 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__off_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,854 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__size_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,855 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i____int16_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,855 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__u_char in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,855 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i____uint32_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,855 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i____u_long in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,855 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__pthread_once_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,855 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__div_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,855 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__u_int16_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,855 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i____intptr_t in openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:40,868 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG0c685822b [2018-04-12 20:12:40,872 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-12 20:12:40,873 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-12 20:12:40,874 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-12 20:12:40,874 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-12 20:12:40,879 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-12 20:12:40,880 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 08:12:40" (1/1) ... [2018-04-12 20:12:40,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@767f6a7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 08:12:40, skipping insertion in model container [2018-04-12 20:12:40,882 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 08:12:40" (1/1) ... [2018-04-12 20:12:40,893 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 20:12:40,915 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 20:12:41,055 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 20:12:41,091 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 20:12:41,096 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-12 20:12:41,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 08:12:41 WrapperNode [2018-04-12 20:12:41,129 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-12 20:12:41,130 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-12 20:12:41,130 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-12 20:12:41,130 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-12 20:12:41,141 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 08:12:41" (1/1) ... [2018-04-12 20:12:41,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 08:12:41" (1/1) ... [2018-04-12 20:12:41,153 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 08:12:41" (1/1) ... [2018-04-12 20:12:41,153 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 08:12:41" (1/1) ... [2018-04-12 20:12:41,160 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 08:12:41" (1/1) ... [2018-04-12 20:12:41,164 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 08:12:41" (1/1) ... [2018-04-12 20:12:41,166 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 08:12:41" (1/1) ... [2018-04-12 20:12:41,169 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-12 20:12:41,169 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-12 20:12:41,170 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-12 20:12:41,170 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-12 20:12:41,170 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 08:12:41" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-12 20:12:41,283 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-12 20:12:41,283 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-12 20:12:41,283 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-12 20:12:41,283 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-12 20:12:41,283 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn [2018-04-12 20:12:41,283 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-12 20:12:41,283 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-12 20:12:41,284 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-12 20:12:41,284 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-12 20:12:41,284 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-12 20:12:41,284 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-12 20:12:41,284 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-12 20:12:41,284 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-12 20:12:41,284 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-12 20:12:41,284 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-12 20:12:41,284 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-12 20:12:41,284 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-12 20:12:41,284 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-12 20:12:41,285 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-12 20:12:41,285 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-12 20:12:41,285 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-12 20:12:41,285 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-12 20:12:41,285 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-12 20:12:41,285 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-12 20:12:41,285 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-12 20:12:41,285 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-12 20:12:41,285 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-12 20:12:41,285 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-12 20:12:41,285 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-12 20:12:41,286 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-12 20:12:41,286 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-12 20:12:41,286 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-12 20:12:41,286 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-12 20:12:41,286 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-12 20:12:41,286 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-12 20:12:41,286 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-12 20:12:41,286 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-12 20:12:41,286 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-12 20:12:41,286 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-12 20:12:41,288 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-12 20:12:41,288 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-12 20:12:41,288 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-12 20:12:41,288 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-12 20:12:41,288 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-12 20:12:41,288 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-12 20:12:41,288 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-12 20:12:41,289 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-12 20:12:41,289 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-12 20:12:41,289 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-12 20:12:41,289 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-12 20:12:41,289 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-12 20:12:41,289 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-12 20:12:41,289 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-12 20:12:41,289 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-12 20:12:41,289 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-12 20:12:41,289 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-12 20:12:41,289 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-12 20:12:41,289 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-12 20:12:41,290 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-12 20:12:41,290 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-12 20:12:41,290 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-12 20:12:41,290 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-12 20:12:41,290 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-12 20:12:41,290 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-12 20:12:41,290 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-12 20:12:41,290 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-12 20:12:41,290 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-12 20:12:41,290 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-12 20:12:41,290 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-12 20:12:41,290 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-12 20:12:41,291 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-12 20:12:41,291 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-12 20:12:41,291 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-12 20:12:41,291 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-12 20:12:41,291 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-12 20:12:41,291 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-12 20:12:41,291 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-12 20:12:41,291 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-12 20:12:41,291 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-12 20:12:41,291 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-12 20:12:41,291 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-12 20:12:41,291 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-12 20:12:41,292 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-12 20:12:41,292 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-12 20:12:41,292 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-12 20:12:41,292 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-12 20:12:41,292 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-12 20:12:41,292 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-12 20:12:41,292 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-12 20:12:41,292 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-12 20:12:41,292 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-12 20:12:41,292 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-12 20:12:41,292 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-12 20:12:41,292 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-12 20:12:41,293 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-12 20:12:41,293 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-12 20:12:41,293 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-12 20:12:41,293 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-12 20:12:41,293 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-12 20:12:41,293 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-12 20:12:41,293 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-12 20:12:41,293 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-12 20:12:41,293 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-12 20:12:41,293 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-12 20:12:41,293 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-12 20:12:41,293 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-12 20:12:41,294 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-12 20:12:41,294 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-12 20:12:41,294 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-12 20:12:41,294 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn [2018-04-12 20:12:41,294 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-12 20:12:41,294 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-12 20:12:41,294 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-12 20:12:41,294 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-12 20:12:41,294 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-12 20:12:41,294 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-12 20:12:41,295 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-12 20:12:41,295 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-12 20:12:41,561 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-12 20:12:41,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 08:12:41 BoogieIcfgContainer [2018-04-12 20:12:41,561 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-12 20:12:41,562 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-12 20:12:41,562 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-12 20:12:41,564 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-12 20:12:41,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.04 08:12:40" (1/3) ... [2018-04-12 20:12:41,565 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13c9c30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 08:12:41, skipping insertion in model container [2018-04-12 20:12:41,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 08:12:41" (2/3) ... [2018-04-12 20:12:41,565 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13c9c30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 08:12:41, skipping insertion in model container [2018-04-12 20:12:41,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 08:12:41" (3/3) ... [2018-04-12 20:12:41,566 INFO L107 eAbstractionObserver]: Analyzing ICFG openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:41,573 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-04-12 20:12:41,580 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2018-04-12 20:12:41,616 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-12 20:12:41,617 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-12 20:12:41,617 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-12 20:12:41,617 INFO L371 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-04-12 20:12:41,617 INFO L372 AbstractCegarLoop]: Backedges is CANONICAL [2018-04-12 20:12:41,617 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-12 20:12:41,617 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-12 20:12:41,617 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-12 20:12:41,618 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-12 20:12:41,618 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-12 20:12:41,628 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2018-04-12 20:12:41,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-12 20:12:41,634 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:12:41,635 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 20:12:41,635 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr3RequiresViolation]=== [2018-04-12 20:12:41,638 INFO L82 PathProgramCache]: Analyzing trace with hash 233534974, now seen corresponding path program 1 times [2018-04-12 20:12:41,670 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:12:41,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:12:41,704 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:12:41,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:12:41,757 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 20:12:41,758 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 20:12:41,758 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:12:41,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:12:41,759 INFO L182 omatonBuilderFactory]: Interpolants [48#true, 49#false, 50#(= 1 (select |#valid| |main_#t~malloc8.base|)), 51#(= 1 (select |#valid| main_~nondetString1~0.base))] [2018-04-12 20:12:41,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:12:41,759 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 20:12:41,768 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 20:12:41,768 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 20:12:41,770 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 4 states. [2018-04-12 20:12:41,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:12:41,822 INFO L93 Difference]: Finished difference Result 44 states and 47 transitions. [2018-04-12 20:12:41,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-12 20:12:41,823 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-04-12 20:12:41,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:12:41,830 INFO L225 Difference]: With dead ends: 44 [2018-04-12 20:12:41,830 INFO L226 Difference]: Without dead ends: 41 [2018-04-12 20:12:41,831 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 20:12:41,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-04-12 20:12:41,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-04-12 20:12:41,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-04-12 20:12:41,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 44 transitions. [2018-04-12 20:12:41,857 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 44 transitions. Word has length 13 [2018-04-12 20:12:41,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:12:41,857 INFO L459 AbstractCegarLoop]: Abstraction has 41 states and 44 transitions. [2018-04-12 20:12:41,857 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 20:12:41,857 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 44 transitions. [2018-04-12 20:12:41,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-12 20:12:41,858 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:12:41,858 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 20:12:41,858 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr3RequiresViolation]=== [2018-04-12 20:12:41,858 INFO L82 PathProgramCache]: Analyzing trace with hash 233534975, now seen corresponding path program 1 times [2018-04-12 20:12:41,859 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:12:41,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:12:41,873 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:12:41,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:12:41,937 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 20:12:41,937 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 20:12:41,938 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:12:41,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:12:41,938 INFO L182 omatonBuilderFactory]: Interpolants [144#(and (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (<= 1 main_~length1~0) (= main_~nondetString1~0.offset 0)), 139#true, 140#false, 141#(<= 1 main_~length1~0), 142#(and (= (select |#valid| |main_#t~malloc8.base|) 1) (<= 1 main_~length1~0) (= main_~length1~0 (select |#length| |main_#t~malloc8.base|)) (= 0 |main_#t~malloc8.offset|)), 143#(and (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (= (select |#valid| main_~nondetString1~0.base) 1) (<= 1 main_~length1~0) (= main_~nondetString1~0.offset 0))] [2018-04-12 20:12:41,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:12:41,939 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 20:12:41,940 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 20:12:41,940 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-04-12 20:12:41,940 INFO L87 Difference]: Start difference. First operand 41 states and 44 transitions. Second operand 6 states. [2018-04-12 20:12:41,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:12:41,989 INFO L93 Difference]: Finished difference Result 40 states and 43 transitions. [2018-04-12 20:12:41,990 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 20:12:41,990 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2018-04-12 20:12:41,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:12:41,991 INFO L225 Difference]: With dead ends: 40 [2018-04-12 20:12:41,991 INFO L226 Difference]: Without dead ends: 40 [2018-04-12 20:12:41,992 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2018-04-12 20:12:41,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-04-12 20:12:41,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2018-04-12 20:12:41,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-04-12 20:12:41,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 43 transitions. [2018-04-12 20:12:41,995 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 43 transitions. Word has length 13 [2018-04-12 20:12:41,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:12:41,996 INFO L459 AbstractCegarLoop]: Abstraction has 40 states and 43 transitions. [2018-04-12 20:12:41,996 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 20:12:41,996 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2018-04-12 20:12:41,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-12 20:12:41,997 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:12:41,997 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 20:12:41,997 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr3RequiresViolation]=== [2018-04-12 20:12:41,997 INFO L82 PathProgramCache]: Analyzing trace with hash -1350350365, now seen corresponding path program 1 times [2018-04-12 20:12:41,998 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:12:42,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:12:42,010 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:12:42,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:12:42,031 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 20:12:42,031 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 20:12:42,031 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:12:42,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:12:42,032 INFO L182 omatonBuilderFactory]: Interpolants [227#true, 228#false, 229#(= 1 (select |#valid| |main_#t~malloc9.base|)), 230#(= 1 (select |#valid| main_~nondetString2~0.base))] [2018-04-12 20:12:42,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:12:42,032 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 20:12:42,032 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 20:12:42,032 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 20:12:42,033 INFO L87 Difference]: Start difference. First operand 40 states and 43 transitions. Second operand 4 states. [2018-04-12 20:12:42,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:12:42,061 INFO L93 Difference]: Finished difference Result 39 states and 42 transitions. [2018-04-12 20:12:42,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-12 20:12:42,061 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-04-12 20:12:42,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:12:42,062 INFO L225 Difference]: With dead ends: 39 [2018-04-12 20:12:42,062 INFO L226 Difference]: Without dead ends: 39 [2018-04-12 20:12:42,062 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 [2018-04-12 20:12:42,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-04-12 20:12:42,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2018-04-12 20:12:42,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-04-12 20:12:42,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 42 transitions. [2018-04-12 20:12:42,065 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 42 transitions. Word has length 14 [2018-04-12 20:12:42,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:12:42,065 INFO L459 AbstractCegarLoop]: Abstraction has 39 states and 42 transitions. [2018-04-12 20:12:42,066 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 20:12:42,066 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 42 transitions. [2018-04-12 20:12:42,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-12 20:12:42,066 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:12:42,066 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 20:12:42,066 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr3RequiresViolation]=== [2018-04-12 20:12:42,066 INFO L82 PathProgramCache]: Analyzing trace with hash -1350350364, now seen corresponding path program 1 times [2018-04-12 20:12:42,067 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:12:42,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:12:42,078 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:12:42,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:12:42,108 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 20:12:42,108 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 20:12:42,108 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:12:42,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:12:42,108 INFO L182 omatonBuilderFactory]: Interpolants [311#true, 312#false, 313#(<= 1 main_~length2~0), 314#(and (= 0 |main_#t~malloc9.offset|) (= main_~length2~0 (select |#length| |main_#t~malloc9.base|)) (<= 1 main_~length2~0)), 315#(and (= main_~nondetString2~0.offset 0) (<= 1 main_~length2~0) (= main_~length2~0 (select |#length| main_~nondetString2~0.base)))] [2018-04-12 20:12:42,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:12:42,109 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 20:12:42,109 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 20:12:42,109 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 20:12:42,109 INFO L87 Difference]: Start difference. First operand 39 states and 42 transitions. Second operand 5 states. [2018-04-12 20:12:42,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:12:42,145 INFO L93 Difference]: Finished difference Result 38 states and 41 transitions. [2018-04-12 20:12:42,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 20:12:42,146 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-04-12 20:12:42,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:12:42,146 INFO L225 Difference]: With dead ends: 38 [2018-04-12 20:12:42,146 INFO L226 Difference]: Without dead ends: 38 [2018-04-12 20:12:42,147 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 [2018-04-12 20:12:42,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-04-12 20:12:42,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2018-04-12 20:12:42,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-04-12 20:12:42,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 41 transitions. [2018-04-12 20:12:42,149 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 41 transitions. Word has length 14 [2018-04-12 20:12:42,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:12:42,149 INFO L459 AbstractCegarLoop]: Abstraction has 38 states and 41 transitions. [2018-04-12 20:12:42,149 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 20:12:42,149 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 41 transitions. [2018-04-12 20:12:42,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-12 20:12:42,149 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:12:42,149 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 20:12:42,149 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr3RequiresViolation]=== [2018-04-12 20:12:42,150 INFO L82 PathProgramCache]: Analyzing trace with hash -1574771629, now seen corresponding path program 1 times [2018-04-12 20:12:42,150 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:12:42,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:12:42,162 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:12:42,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:12:42,194 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 20:12:42,194 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 20:12:42,194 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:12:42,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:12:42,194 INFO L182 omatonBuilderFactory]: Interpolants [394#true, 395#false, 396#(= 1 (select |#valid| main_~nondetString1~0.base)), 397#(= 1 (select |#valid| |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#in~s1.base|)), 398#(= 1 (select |#valid| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.base)), 399#(= 1 (select |#valid| |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post2.base|))] [2018-04-12 20:12:42,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:12:42,195 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 20:12:42,195 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 20:12:42,195 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-12 20:12:42,195 INFO L87 Difference]: Start difference. First operand 38 states and 41 transitions. Second operand 6 states. [2018-04-12 20:12:42,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:12:42,247 INFO L93 Difference]: Finished difference Result 37 states and 40 transitions. [2018-04-12 20:12:42,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 20:12:42,248 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2018-04-12 20:12:42,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:12:42,248 INFO L225 Difference]: With dead ends: 37 [2018-04-12 20:12:42,248 INFO L226 Difference]: Without dead ends: 37 [2018-04-12 20:12:42,248 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 [2018-04-12 20:12:42,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-04-12 20:12:42,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-04-12 20:12:42,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-04-12 20:12:42,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 40 transitions. [2018-04-12 20:12:42,251 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 40 transitions. Word has length 19 [2018-04-12 20:12:42,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:12:42,251 INFO L459 AbstractCegarLoop]: Abstraction has 37 states and 40 transitions. [2018-04-12 20:12:42,251 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 20:12:42,251 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 40 transitions. [2018-04-12 20:12:42,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-12 20:12:42,252 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:12:42,252 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 20:12:42,252 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr3RequiresViolation]=== [2018-04-12 20:12:42,252 INFO L82 PathProgramCache]: Analyzing trace with hash -1574771628, now seen corresponding path program 1 times [2018-04-12 20:12:42,253 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:12:42,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:12:42,264 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:12:42,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:12:42,347 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 20:12:42,347 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-12 20:12:42,347 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:12:42,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:12:42,347 INFO L182 omatonBuilderFactory]: Interpolants [480#(<= 1 main_~length1~0), 481#(and (<= 1 main_~length1~0) (= 0 |main_#t~malloc8.offset|)), 482#(and (<= 1 main_~length1~0) (= main_~nondetString1~0.offset 0)), 483#(and (<= (+ main_~nondetString1~0.offset 1) (select |#length| main_~nondetString1~0.base)) (= main_~nondetString1~0.offset 0)), 484#(and (= 0 |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#in~s1.offset|) (<= 1 (select |#length| |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#in~s1.base|))), 485#(and (<= 1 (select |#length| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.base)) (= 0 __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.offset)), 486#(and (<= 1 (select |#length| |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post2.base|)) (= |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post2.offset| 0)), 478#true, 479#false] [2018-04-12 20:12:42,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:12:42,347 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-12 20:12:42,348 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-12 20:12:42,348 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-04-12 20:12:42,348 INFO L87 Difference]: Start difference. First operand 37 states and 40 transitions. Second operand 9 states. [2018-04-12 20:12:42,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:12:42,482 INFO L93 Difference]: Finished difference Result 41 states and 44 transitions. [2018-04-12 20:12:42,483 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-12 20:12:42,483 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2018-04-12 20:12:42,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:12:42,483 INFO L225 Difference]: With dead ends: 41 [2018-04-12 20:12:42,483 INFO L226 Difference]: Without dead ends: 41 [2018-04-12 20:12:42,484 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 [2018-04-12 20:12:42,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-04-12 20:12:42,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 40. [2018-04-12 20:12:42,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-04-12 20:12:42,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 43 transitions. [2018-04-12 20:12:42,486 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 43 transitions. Word has length 19 [2018-04-12 20:12:42,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:12:42,486 INFO L459 AbstractCegarLoop]: Abstraction has 40 states and 43 transitions. [2018-04-12 20:12:42,486 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-12 20:12:42,486 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2018-04-12 20:12:42,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-12 20:12:42,486 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:12:42,487 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 20:12:42,487 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr3RequiresViolation]=== [2018-04-12 20:12:42,487 INFO L82 PathProgramCache]: Analyzing trace with hash -93842083, now seen corresponding path program 1 times [2018-04-12 20:12:42,487 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:12:42,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:12:42,496 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:12:42,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:12:42,555 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 20:12:42,555 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-12 20:12:42,556 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:12:42,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:12:42,556 INFO L182 omatonBuilderFactory]: Interpolants [578#true, 579#false, 580#(= 1 (select |#valid| main_~nondetString2~0.base)), 581#(= 1 (select |#valid| |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#in~s2.base|)), 582#(= 1 (select |#valid| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~s2.base)), 583#(= 1 (select |#valid| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.base)), 584#(= 1 (select |#valid| |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post4.base|))] [2018-04-12 20:12:42,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:12:42,556 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-12 20:12:42,557 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-12 20:12:42,557 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-04-12 20:12:42,557 INFO L87 Difference]: Start difference. First operand 40 states and 43 transitions. Second operand 7 states. [2018-04-12 20:12:42,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:12:42,628 INFO L93 Difference]: Finished difference Result 40 states and 43 transitions. [2018-04-12 20:12:42,628 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-12 20:12:42,629 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2018-04-12 20:12:42,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:12:42,629 INFO L225 Difference]: With dead ends: 40 [2018-04-12 20:12:42,629 INFO L226 Difference]: Without dead ends: 40 [2018-04-12 20:12:42,630 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 [2018-04-12 20:12:42,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-04-12 20:12:42,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 39. [2018-04-12 20:12:42,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-04-12 20:12:42,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 42 transitions. [2018-04-12 20:12:42,633 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 42 transitions. Word has length 22 [2018-04-12 20:12:42,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:12:42,633 INFO L459 AbstractCegarLoop]: Abstraction has 39 states and 42 transitions. [2018-04-12 20:12:42,633 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-12 20:12:42,633 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 42 transitions. [2018-04-12 20:12:42,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-12 20:12:42,634 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:12:42,634 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 20:12:42,634 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr3RequiresViolation]=== [2018-04-12 20:12:42,634 INFO L82 PathProgramCache]: Analyzing trace with hash -93842082, now seen corresponding path program 1 times [2018-04-12 20:12:42,635 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:12:42,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:12:42,644 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:12:42,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:12:42,730 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 20:12:42,730 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-04-12 20:12:42,731 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:12:42,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:12:42,731 INFO L182 omatonBuilderFactory]: Interpolants [672#(<= 1 main_~length2~0), 673#(and (= 0 |main_#t~malloc9.offset|) (= main_~length2~0 (select |#length| |main_#t~malloc9.base|)) (<= 1 main_~length2~0)), 674#(and (= 0 main_~nondetString2~0.offset) (<= 1 main_~length2~0) (= main_~length2~0 (select |#length| main_~nondetString2~0.base))), 675#(and (= 0 main_~nondetString2~0.offset) (<= 1 (select |#length| main_~nondetString2~0.base))), 676#(and (<= 1 (select |#length| |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#in~s2.base|)) (= 0 |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#in~s2.offset|)), 677#(and (<= 1 (select |#length| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~s2.base)) (= 0 __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~s2.offset)), 678#(and (= 0 __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.offset) (<= 1 (select |#length| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.base))), 679#(and (<= 1 (select |#length| |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post4.base|)) (= |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post4.offset| 0)), 670#true, 671#false] [2018-04-12 20:12:42,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:12:42,731 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-12 20:12:42,731 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-12 20:12:42,731 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-04-12 20:12:42,731 INFO L87 Difference]: Start difference. First operand 39 states and 42 transitions. Second operand 10 states. [2018-04-12 20:12:42,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:12:42,804 INFO L93 Difference]: Finished difference Result 43 states and 47 transitions. [2018-04-12 20:12:42,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-12 20:12:42,804 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 22 [2018-04-12 20:12:42,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:12:42,805 INFO L225 Difference]: With dead ends: 43 [2018-04-12 20:12:42,805 INFO L226 Difference]: Without dead ends: 43 [2018-04-12 20:12:42,805 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 [2018-04-12 20:12:42,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-04-12 20:12:42,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 41. [2018-04-12 20:12:42,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-04-12 20:12:42,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 44 transitions. [2018-04-12 20:12:42,806 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 44 transitions. Word has length 22 [2018-04-12 20:12:42,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:12:42,807 INFO L459 AbstractCegarLoop]: Abstraction has 41 states and 44 transitions. [2018-04-12 20:12:42,807 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-12 20:12:42,807 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 44 transitions. [2018-04-12 20:12:42,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-12 20:12:42,807 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:12:42,807 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 20:12:42,807 INFO L408 AbstractCegarLoop]: === Iteration 9 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr3RequiresViolation]=== [2018-04-12 20:12:42,807 INFO L82 PathProgramCache]: Analyzing trace with hash -1165056638, now seen corresponding path program 1 times [2018-04-12 20:12:42,808 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:12:42,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:12:42,816 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:12:42,895 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:12:42,895 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 20:12:42,895 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-04-12 20:12:42,896 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:12:42,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:12:42,896 INFO L182 omatonBuilderFactory]: Interpolants [772#true, 773#false, 774#(and (<= main_~length2~0 1) (<= 1 main_~length2~0)), 775#(and (= 0 |main_#t~malloc9.offset|) (<= main_~length2~0 1) (<= 1 main_~length2~0)), 776#(and (= main_~nondetString2~0.offset 0) (<= 1 main_~length2~0) (<= (+ main_~nondetString2~0.offset main_~length2~0) 1)), 777#(and (= main_~nondetString2~0.offset 0) (= 0 (select (select |#memory_int| main_~nondetString2~0.base) main_~nondetString2~0.offset))), 778#(= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#in~s2.base|) |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#in~s2.offset|)), 779#(= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~s2.base) __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~s2.offset)), 780#(= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.base) __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.offset)), 781#(= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post4.base|) |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post4.offset|)), 782#(= 0 |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~mem5|), 783#(= 0 __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~sc~0)] [2018-04-12 20:12:42,896 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:12:42,896 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-12 20:12:42,896 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-12 20:12:42,896 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2018-04-12 20:12:42,896 INFO L87 Difference]: Start difference. First operand 41 states and 44 transitions. Second operand 12 states. [2018-04-12 20:12:43,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:12:43,107 INFO L93 Difference]: Finished difference Result 79 states and 82 transitions. [2018-04-12 20:12:43,107 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-12 20:12:43,107 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 27 [2018-04-12 20:12:43,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:12:43,108 INFO L225 Difference]: With dead ends: 79 [2018-04-12 20:12:43,108 INFO L226 Difference]: Without dead ends: 79 [2018-04-12 20:12:43,108 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 [2018-04-12 20:12:43,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-04-12 20:12:43,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 63. [2018-04-12 20:12:43,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-04-12 20:12:43,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 68 transitions. [2018-04-12 20:12:43,111 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 68 transitions. Word has length 27 [2018-04-12 20:12:43,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:12:43,111 INFO L459 AbstractCegarLoop]: Abstraction has 63 states and 68 transitions. [2018-04-12 20:12:43,111 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-12 20:12:43,111 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 68 transitions. [2018-04-12 20:12:43,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-12 20:12:43,112 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:12:43,112 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 20:12:43,112 INFO L408 AbstractCegarLoop]: === Iteration 10 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr3RequiresViolation]=== [2018-04-12 20:12:43,112 INFO L82 PathProgramCache]: Analyzing trace with hash -1982705088, now seen corresponding path program 1 times [2018-04-12 20:12:43,112 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:12:43,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:12:43,121 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:12:43,250 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:12:43,251 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 20:12:43,251 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-04-12 20:12:43,251 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:12:43,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:12:43,251 INFO L182 omatonBuilderFactory]: Interpolants [960#(and (<= 1 __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.offset) (<= (+ __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.base))), 961#(and (<= 1 |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post4.offset|) (<= (+ |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post4.offset| 1) (select |#length| |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post4.base|))), 948#true, 949#false, 950#(<= 1 main_~length2~0), 951#(and (= 0 |main_#t~malloc9.offset|) (= main_~length2~0 (select |#length| |main_#t~malloc9.base|)) (<= 1 main_~length2~0)), 952#(and (= 0 main_~nondetString2~0.offset) (<= 1 main_~length2~0) (= main_~length2~0 (select |#length| main_~nondetString2~0.base))), 953#(and (= 0 main_~nondetString2~0.offset) (or (= 0 (select (select |#memory_int| main_~nondetString2~0.base) main_~nondetString2~0.offset)) (<= 2 (+ main_~nondetString2~0.offset (select |#length| main_~nondetString2~0.base))))), 954#(and (or (<= 2 (select |#length| |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#in~s2.base|)) (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#in~s2.base|) |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#in~s2.offset|))) (= 0 |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#in~s2.offset|)), 955#(and (or (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~s2.base) __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~s2.offset)) (<= 2 (select |#length| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~s2.base))) (= 0 __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~s2.offset)), 956#(and (= 0 __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.offset) (or (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.base) __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.offset)) (<= 2 (select |#length| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.base)))), 957#(and (= |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post4.offset| 0) (or (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post4.base|) |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post4.offset|)) (and (<= (+ __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.offset 1) (+ |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post4.offset| (select |#length| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.base))) (<= (+ |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post4.offset| 1) __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.offset)))), 958#(or (= 0 |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~mem5|) (and (<= 1 __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.offset) (<= (+ __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.base)))), 959#(or (= 0 __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~sc~0) (and (<= 1 __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.offset) (<= (+ __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.base))))] [2018-04-12 20:12:43,252 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:12:43,252 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-12 20:12:43,252 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-12 20:12:43,252 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2018-04-12 20:12:43,252 INFO L87 Difference]: Start difference. First operand 63 states and 68 transitions. Second operand 14 states. [2018-04-12 20:12:43,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:12:43,553 INFO L93 Difference]: Finished difference Result 74 states and 82 transitions. [2018-04-12 20:12:43,554 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-12 20:12:43,554 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 27 [2018-04-12 20:12:43,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:12:43,556 INFO L225 Difference]: With dead ends: 74 [2018-04-12 20:12:43,556 INFO L226 Difference]: Without dead ends: 74 [2018-04-12 20:12:43,556 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=497, Unknown=0, NotChecked=0, Total=600 [2018-04-12 20:12:43,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-04-12 20:12:43,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 68. [2018-04-12 20:12:43,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-04-12 20:12:43,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 75 transitions. [2018-04-12 20:12:43,559 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 75 transitions. Word has length 27 [2018-04-12 20:12:43,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:12:43,559 INFO L459 AbstractCegarLoop]: Abstraction has 68 states and 75 transitions. [2018-04-12 20:12:43,559 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-12 20:12:43,559 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 75 transitions. [2018-04-12 20:12:43,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-12 20:12:43,560 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:12:43,560 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] [2018-04-12 20:12:43,560 INFO L408 AbstractCegarLoop]: === Iteration 11 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr3RequiresViolation]=== [2018-04-12 20:12:43,560 INFO L82 PathProgramCache]: Analyzing trace with hash -1757089814, now seen corresponding path program 1 times [2018-04-12 20:12:43,561 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:12:43,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:12:43,569 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:12:43,763 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:12:43,763 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 20:12:43,763 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-04-12 20:12:43,763 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:12:43,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:12:43,764 INFO L182 omatonBuilderFactory]: Interpolants [1126#true, 1127#false, 1128#(<= 1 main_~length1~0), 1129#(and (= (select |#valid| |main_#t~malloc8.base|) 1) (<= 1 main_~length1~0) (= 0 |main_#t~malloc8.offset|)), 1130#(and (= 0 main_~nondetString1~0.offset) (= (select |#valid| main_~nondetString1~0.base) 1) (<= 1 main_~length1~0)), 1131#(and (not (= main_~nondetString1~0.base |main_#t~malloc9.base|)) (= 0 main_~nondetString1~0.offset) (<= 1 main_~length1~0)), 1132#(and (= 0 main_~nondetString1~0.offset) (<= 1 main_~length1~0) (not (= main_~nondetString1~0.base main_~nondetString2~0.base))), 1133#(and (= 0 main_~nondetString1~0.offset) (or (= 0 (select (select |#memory_int| main_~nondetString1~0.base) main_~nondetString1~0.offset)) (<= 2 (select |#length| main_~nondetString1~0.base))) (not (= main_~nondetString1~0.base main_~nondetString2~0.base))), 1134#(and (= 0 |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#in~s1.offset|) (or (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#in~s1.base|) |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#in~s1.offset|)) (<= 2 (select |#length| |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#in~s1.base|)))), 1135#(and (or (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.base) __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.offset)) (<= 2 (select |#length| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.base))) (= 0 __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.offset)), 1136#(and (= |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post2.offset| 0) (or (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post2.base|) |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post2.offset|)) (and (<= (+ __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.offset 1) (+ (select |#length| |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post2.base|) |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post2.offset|)) (<= (+ |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post2.offset| 1) __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.offset) (= |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post2.base| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.base)))), 1137#(or (and (<= 1 __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.offset) (<= (+ __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.base))) (= 0 |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~mem3|)), 1138#(or (and (<= 1 __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.offset) (<= (+ __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.base))) (= __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~c~0 0)), 1139#(or (and (<= 1 __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.offset) (<= (+ __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.base))) (not (= 0 __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~sc~0))), 1140#(and (<= 1 __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.offset) (<= (+ __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.base))), 1141#(and (<= 1 |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post2.offset|) (<= (+ |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post2.offset| 1) (select |#length| |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post2.base|)))] [2018-04-12 20:12:43,764 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:12:43,764 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-12 20:12:43,764 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-12 20:12:43,764 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2018-04-12 20:12:43,764 INFO L87 Difference]: Start difference. First operand 68 states and 75 transitions. Second operand 16 states. [2018-04-12 20:12:44,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:12:44,073 INFO L93 Difference]: Finished difference Result 100 states and 112 transitions. [2018-04-12 20:12:44,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-04-12 20:12:44,074 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 28 [2018-04-12 20:12:44,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:12:44,075 INFO L225 Difference]: With dead ends: 100 [2018-04-12 20:12:44,075 INFO L226 Difference]: Without dead ends: 100 [2018-04-12 20:12:44,075 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=125, Invalid=745, Unknown=0, NotChecked=0, Total=870 [2018-04-12 20:12:44,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-04-12 20:12:44,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 93. [2018-04-12 20:12:44,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2018-04-12 20:12:44,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 106 transitions. [2018-04-12 20:12:44,081 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 106 transitions. Word has length 28 [2018-04-12 20:12:44,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:12:44,081 INFO L459 AbstractCegarLoop]: Abstraction has 93 states and 106 transitions. [2018-04-12 20:12:44,081 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-12 20:12:44,082 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 106 transitions. [2018-04-12 20:12:44,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-04-12 20:12:44,082 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:12:44,082 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 20:12:44,083 INFO L408 AbstractCegarLoop]: === Iteration 12 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr3RequiresViolation]=== [2018-04-12 20:12:44,083 INFO L82 PathProgramCache]: Analyzing trace with hash -1220195187, now seen corresponding path program 1 times [2018-04-12 20:12:44,083 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:12:44,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:12:44,097 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:12:44,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:12:44,151 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 20:12:44,151 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 20:12:44,151 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:12:44,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:12:44,152 INFO L182 omatonBuilderFactory]: Interpolants [1363#true, 1364#false, 1365#(= |#valid| |old(#valid)|), 1366#(and (= (store |#valid| |main_#t~malloc8.base| 0) |old(#valid)|) (= (select |#valid| |main_#t~malloc8.base|) 1)), 1367#(and (not (= |main_#t~malloc8.base| |main_#t~malloc9.base|)) (= (store (store |#valid| |main_#t~malloc8.base| 0) |main_#t~malloc9.base| 0) |old(#valid)|)), 1368#(= (store |#valid| |main_#t~malloc9.base| 0) |old(#valid)|)] [2018-04-12 20:12:44,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:12:44,152 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 20:12:44,152 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 20:12:44,152 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-12 20:12:44,152 INFO L87 Difference]: Start difference. First operand 93 states and 106 transitions. Second operand 6 states. [2018-04-12 20:12:44,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:12:44,240 INFO L93 Difference]: Finished difference Result 92 states and 105 transitions. [2018-04-12 20:12:44,240 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-12 20:12:44,240 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2018-04-12 20:12:44,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:12:44,241 INFO L225 Difference]: With dead ends: 92 [2018-04-12 20:12:44,241 INFO L226 Difference]: Without dead ends: 82 [2018-04-12 20:12:44,241 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-04-12 20:12:44,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-04-12 20:12:44,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2018-04-12 20:12:44,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-04-12 20:12:44,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 90 transitions. [2018-04-12 20:12:44,245 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 90 transitions. Word has length 32 [2018-04-12 20:12:44,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:12:44,245 INFO L459 AbstractCegarLoop]: Abstraction has 82 states and 90 transitions. [2018-04-12 20:12:44,245 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 20:12:44,245 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 90 transitions. [2018-04-12 20:12:44,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-04-12 20:12:44,246 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:12:44,246 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] [2018-04-12 20:12:44,246 INFO L408 AbstractCegarLoop]: === Iteration 13 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr3RequiresViolation]=== [2018-04-12 20:12:44,250 INFO L82 PathProgramCache]: Analyzing trace with hash 567354848, now seen corresponding path program 2 times [2018-04-12 20:12:44,250 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:12:44,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:12:44,269 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:12:44,508 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:12:44,508 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 20:12:44,508 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-04-12 20:12:44,508 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:12:44,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:12:44,509 INFO L182 omatonBuilderFactory]: Interpolants [1547#true, 1548#false, 1549#(and (= 0 |main_#t~malloc9.offset|) (= main_~length2~0 (select |#length| |main_#t~malloc9.base|))), 1550#(and (= 0 main_~nondetString2~0.offset) (= main_~length2~0 (select |#length| main_~nondetString2~0.base))), 1551#(and (= 0 main_~nondetString2~0.offset) (or (= 0 (select (select |#memory_int| main_~nondetString2~0.base) 1)) (<= (+ main_~nondetString2~0.offset (select |#length| main_~nondetString2~0.base)) 1) (<= 3 (+ main_~nondetString2~0.offset (select |#length| main_~nondetString2~0.base))))), 1552#(and (or (<= (select |#length| |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#in~s2.base|) 1) (<= 3 (select |#length| |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#in~s2.base|)) (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#in~s2.base|) 1))) (= 0 |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#in~s2.offset|)), 1553#(and (or (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~s2.base) 1)) (<= 3 (select |#length| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~s2.base)) (<= (select |#length| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~s2.base) 1)) (= 0 __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~s2.offset)), 1554#(and (= 0 __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.offset) (or (<= (select |#length| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.base) 1) (<= 3 (select |#length| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.base)) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.base) 1)))), 1555#(and (= |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post4.offset| 0) (or (and (<= (+ |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post4.offset| 1) __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.offset) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.base) 1)) (<= __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.offset (+ |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post4.offset| 1))) (and (<= (+ |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post4.offset| 1) __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.offset) (or (<= (+ |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post4.offset| (select |#length| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.base)) __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.offset) (<= (+ __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.offset 2) (+ |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post4.offset| (select |#length| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.base))))))), 1556#(or (and (<= 1 __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.offset) (<= __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.offset 1) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.base) 1))) (and (<= 1 __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.offset) (or (<= (+ __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.offset 2) (select |#length| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.base)) (<= (select |#length| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.base) __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.offset)))), 1557#(or (and (or (<= (+ __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.base)) (<= (select |#length| |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post4.base|) |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post4.offset|)) (<= 2 __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.offset)) (and (= 1 |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post4.offset|) (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post4.base|) |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post4.offset|)))), 1558#(or (= 0 |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~mem5|) (and (<= (+ __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.base)) (<= 2 __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.offset))), 1559#(or (= 0 __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~sc~0) (and (<= (+ __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.base)) (<= 2 __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.offset))), 1560#(and (<= (+ __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.base)) (<= 2 __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.offset)), 1561#(and (<= 2 |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post4.offset|) (<= (+ |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post4.offset| 1) (select |#length| |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post4.base|)))] [2018-04-12 20:12:44,509 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:12:44,509 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-12 20:12:44,509 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-12 20:12:44,510 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2018-04-12 20:12:44,510 INFO L87 Difference]: Start difference. First operand 82 states and 90 transitions. Second operand 15 states. [2018-04-12 20:12:44,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:12:44,914 INFO L93 Difference]: Finished difference Result 104 states and 114 transitions. [2018-04-12 20:12:44,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-12 20:12:44,914 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 32 [2018-04-12 20:12:44,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:12:44,915 INFO L225 Difference]: With dead ends: 104 [2018-04-12 20:12:44,915 INFO L226 Difference]: Without dead ends: 104 [2018-04-12 20:12:44,915 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=124, Invalid=632, Unknown=0, NotChecked=0, Total=756 [2018-04-12 20:12:44,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2018-04-12 20:12:44,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 92. [2018-04-12 20:12:44,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-04-12 20:12:44,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 102 transitions. [2018-04-12 20:12:44,918 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 102 transitions. Word has length 32 [2018-04-12 20:12:44,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:12:44,918 INFO L459 AbstractCegarLoop]: Abstraction has 92 states and 102 transitions. [2018-04-12 20:12:44,918 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-12 20:12:44,919 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 102 transitions. [2018-04-12 20:12:44,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-04-12 20:12:44,919 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:12:44,919 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] [2018-04-12 20:12:44,919 INFO L408 AbstractCegarLoop]: === Iteration 14 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr3RequiresViolation]=== [2018-04-12 20:12:44,919 INFO L82 PathProgramCache]: Analyzing trace with hash -1824027372, now seen corresponding path program 2 times [2018-04-12 20:12:44,920 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:12:44,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:12:44,931 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:12:45,202 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:12:45,202 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 20:12:45,203 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-04-12 20:12:45,203 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:12:45,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:12:45,203 INFO L182 omatonBuilderFactory]: Interpolants [1792#(and (= 0 __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.offset) (or (<= (select |#length| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.base) 1) (<= 3 (select |#length| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.base)) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.base) 1)))), 1793#(and (= |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post2.offset| 0) (or (and (or (<= (+ (select |#length| |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post2.base|) |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post2.offset|) __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.offset) (<= (+ __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.offset 2) (+ (select |#length| |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post2.base|) |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post2.offset|))) (<= (+ |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post2.offset| 1) __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.offset) (= |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post2.base| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.base)) (and (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post2.base|) 1)) (<= __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.offset (+ |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post2.offset| 1)) (<= (+ |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post2.offset| 1) __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.offset) (= |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post2.base| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.base)))), 1794#(or (and (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.base) 1)) (<= 1 __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.offset) (<= __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.offset 1)) (and (<= 1 __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.offset) (or (<= (+ __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.offset 2) (select |#length| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.base)) (<= (select |#length| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.base) __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.offset)))), 1795#(or (and (or (<= (select |#length| |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post2.base|) |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post2.offset|) (<= (+ __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.base))) (<= 2 __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.offset)) (and (= 1 |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post2.offset|) (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post2.base|) |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post2.offset|)))), 1796#(or (= 0 |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~mem3|) (and (<= (+ __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.base)) (<= 2 __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.offset))), 1797#(or (= __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~c~0 0) (and (<= (+ __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.base)) (<= 2 __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.offset))), 1798#(or (not (= 0 __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~sc~0)) (and (<= (+ __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.base)) (<= 2 __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.offset))), 1799#(and (<= (+ __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.base)) (<= 2 __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.offset)), 1800#(and (<= 2 |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post2.offset|) (<= (+ |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post2.offset| 1) (select |#length| |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post2.base|))), 1784#true, 1785#false, 1786#(and (= (select |#valid| |main_#t~malloc8.base|) 1) (= main_~length1~0 (select |#length| |main_#t~malloc8.base|)) (= 0 |main_#t~malloc8.offset|)), 1787#(and (= 0 main_~nondetString1~0.offset) (= (select |#valid| main_~nondetString1~0.base) 1) (or (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (= (+ main_~nondetString1~0.offset main_~length1~0) 2))), 1788#(and (not (= main_~nondetString1~0.base |main_#t~malloc9.base|)) (= 0 main_~nondetString1~0.offset) (or (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (= (+ main_~nondetString1~0.offset main_~length1~0) 2))), 1789#(and (= 0 main_~nondetString1~0.offset) (or (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (= (+ main_~nondetString1~0.offset main_~length1~0) 2)) (not (= main_~nondetString1~0.base main_~nondetString2~0.base))), 1790#(and (= 0 main_~nondetString1~0.offset) (not (= main_~nondetString1~0.base main_~nondetString2~0.base)) (or (= 0 (select (select |#memory_int| main_~nondetString1~0.base) 1)) (<= 3 (+ main_~nondetString1~0.offset (select |#length| main_~nondetString1~0.base))) (<= (+ main_~nondetString1~0.offset (select |#length| main_~nondetString1~0.base)) 1))), 1791#(and (= 0 |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#in~s1.offset|) (or (<= (select |#length| |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#in~s1.base|) 1) (<= 3 (select |#length| |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#in~s1.base|)) (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#in~s1.base|) 1))))] [2018-04-12 20:12:45,203 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:12:45,203 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-12 20:12:45,203 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-12 20:12:45,204 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2018-04-12 20:12:45,204 INFO L87 Difference]: Start difference. First operand 92 states and 102 transitions. Second operand 17 states. [2018-04-12 20:12:45,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:12:45,629 INFO L93 Difference]: Finished difference Result 126 states and 138 transitions. [2018-04-12 20:12:45,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-04-12 20:12:45,630 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 37 [2018-04-12 20:12:45,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:12:45,630 INFO L225 Difference]: With dead ends: 126 [2018-04-12 20:12:45,630 INFO L226 Difference]: Without dead ends: 126 [2018-04-12 20:12:45,631 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=127, Invalid=865, Unknown=0, NotChecked=0, Total=992 [2018-04-12 20:12:45,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-04-12 20:12:45,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 122. [2018-04-12 20:12:45,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2018-04-12 20:12:45,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 136 transitions. [2018-04-12 20:12:45,634 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 136 transitions. Word has length 37 [2018-04-12 20:12:45,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:12:45,634 INFO L459 AbstractCegarLoop]: Abstraction has 122 states and 136 transitions. [2018-04-12 20:12:45,634 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-12 20:12:45,634 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 136 transitions. [2018-04-12 20:12:45,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-04-12 20:12:45,635 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:12:45,635 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] [2018-04-12 20:12:45,635 INFO L408 AbstractCegarLoop]: === Iteration 15 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr3RequiresViolation]=== [2018-04-12 20:12:45,635 INFO L82 PathProgramCache]: Analyzing trace with hash -131754432, now seen corresponding path program 3 times [2018-04-12 20:12:45,635 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:12:45,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:12:45,642 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:12:45,793 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-04-12 20:12:45,793 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 20:12:45,793 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-04-12 20:12:45,793 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:12:45,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:12:45,793 INFO L182 omatonBuilderFactory]: Interpolants [2080#false, 2081#(and (= 0 |main_#t~malloc9.offset|) (= main_~length2~0 (select |#length| |main_#t~malloc9.base|))), 2082#(and (= main_~nondetString2~0.offset 0) (= main_~length2~0 (select |#length| main_~nondetString2~0.base))), 2083#(and (= main_~nondetString2~0.offset 0) (= 0 (select (select |#memory_int| main_~nondetString2~0.base) (+ (select |#length| main_~nondetString2~0.base) (+ main_~nondetString2~0.offset (- 1)))))), 2084#(= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#in~s2.base|) (+ (select |#length| |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#in~s2.base|) (- 1)))), 2085#(= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~s2.base) (+ (select |#length| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~s2.base) (- 1)))), 2086#(= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.base) (+ (select |#length| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.base) (- 1)))), 2087#(and (<= (+ |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post4.offset| 1) __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.offset) (or (<= (+ __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.base)) (<= (select |#length| |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post4.base|) |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post4.offset|) (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post4.base|) |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post4.offset|)))), 2088#(and (<= 1 __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.offset) (or (<= (+ __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.base)) (= 0 |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~mem5|))), 2089#(and (<= 1 __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.offset) (or (<= (+ __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.base)) (= 0 __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~sc~0))), 2090#(and (<= 1 __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.offset) (<= (+ __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~spanp~0.base))), 2091#(and (<= 1 |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post4.offset|) (<= (+ |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post4.offset| 1) (select |#length| |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post4.base|))), 2079#true] [2018-04-12 20:12:45,794 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-04-12 20:12:45,794 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-12 20:12:45,794 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-12 20:12:45,794 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2018-04-12 20:12:45,794 INFO L87 Difference]: Start difference. First operand 122 states and 136 transitions. Second operand 13 states. [2018-04-12 20:12:46,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:12:46,212 INFO L93 Difference]: Finished difference Result 121 states and 133 transitions. [2018-04-12 20:12:46,212 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-12 20:12:46,212 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 37 [2018-04-12 20:12:46,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:12:46,213 INFO L225 Difference]: With dead ends: 121 [2018-04-12 20:12:46,213 INFO L226 Difference]: Without dead ends: 121 [2018-04-12 20:12:46,213 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=135, Invalid=465, Unknown=0, NotChecked=0, Total=600 [2018-04-12 20:12:46,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-04-12 20:12:46,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 85. [2018-04-12 20:12:46,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-04-12 20:12:46,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 91 transitions. [2018-04-12 20:12:46,217 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 91 transitions. Word has length 37 [2018-04-12 20:12:46,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:12:46,217 INFO L459 AbstractCegarLoop]: Abstraction has 85 states and 91 transitions. [2018-04-12 20:12:46,217 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-12 20:12:46,217 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 91 transitions. [2018-04-12 20:12:46,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-04-12 20:12:46,218 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:12:46,218 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] [2018-04-12 20:12:46,218 INFO L408 AbstractCegarLoop]: === Iteration 16 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspnErr3RequiresViolation]=== [2018-04-12 20:12:46,218 INFO L82 PathProgramCache]: Analyzing trace with hash 401743658, now seen corresponding path program 3 times [2018-04-12 20:12:46,219 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:12:46,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:12:46,231 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:12:46,427 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-04-12 20:12:46,427 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 20:12:46,427 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-04-12 20:12:46,427 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:12:46,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:12:46,428 INFO L182 omatonBuilderFactory]: Interpolants [2336#(and (<= 1 __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.offset) (<= (+ __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.base))), 2337#(and (<= 1 |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post2.offset|) (<= (+ |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post2.offset| 1) (select |#length| |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post2.base|))), 2322#true, 2323#false, 2324#(and (= (select |#valid| |main_#t~malloc8.base|) 1) (= main_~length1~0 (select |#length| |main_#t~malloc8.base|)) (= 0 |main_#t~malloc8.offset|)), 2325#(and (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (= (select |#valid| main_~nondetString1~0.base) 1) (= main_~nondetString1~0.offset 0)), 2326#(and (not (= main_~nondetString1~0.base |main_#t~malloc9.base|)) (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (= main_~nondetString1~0.offset 0)), 2327#(and (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (not (= main_~nondetString1~0.base main_~nondetString2~0.base)) (= main_~nondetString1~0.offset 0)), 2328#(and (not (= main_~nondetString1~0.base main_~nondetString2~0.base)) (= 0 (select (select |#memory_int| main_~nondetString1~0.base) (+ (select |#length| main_~nondetString1~0.base) (+ main_~nondetString1~0.offset (- 1))))) (= main_~nondetString1~0.offset 0)), 2329#(= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#in~s1.base|) (+ (select |#length| |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#in~s1.base|) (- 1)))), 2330#(= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.base) (+ (select |#length| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.base) (- 1)))), 2331#(and (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post2.base|) (+ (select |#length| |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post2.base|) (- 1)))) (= |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post2.base| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.base)), 2332#(and (<= (+ |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post2.offset| 1) __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.offset) (or (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post2.base|) |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post2.offset|)) (<= (select |#length| |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post2.base|) |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~post2.offset|) (<= (+ __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.base)))), 2333#(and (or (= 0 |__U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_#t~mem3|) (<= (+ __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.base))) (<= 1 __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.offset)), 2334#(and (or (= __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~c~0 0) (<= (+ __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.base))) (<= 1 __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.offset)), 2335#(and (or (not (= 0 __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~sc~0)) (<= (+ __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.base))) (<= 1 __U_MULTI_fopenbsd_cstrcspn_alloca_true_valid_memsafety_true_termination_i__cstrcspn_~p~0.offset))] [2018-04-12 20:12:46,428 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-04-12 20:12:46,428 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-12 20:12:46,428 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-12 20:12:46,428 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2018-04-12 20:12:46,428 INFO L87 Difference]: Start difference. First operand 85 states and 91 transitions. Second operand 16 states. [2018-04-12 20:12:46,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:12:46,741 INFO L93 Difference]: Finished difference Result 93 states and 98 transitions. [2018-04-12 20:12:46,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-12 20:12:46,833 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 46 [2018-04-12 20:12:46,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:12:46,833 INFO L225 Difference]: With dead ends: 93 [2018-04-12 20:12:46,834 INFO L226 Difference]: Without dead ends: 0 [2018-04-12 20:12:46,834 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=127, Invalid=629, Unknown=0, NotChecked=0, Total=756 [2018-04-12 20:12:46,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-12 20:12:46,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-12 20:12:46,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-12 20:12:46,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-12 20:12:46,834 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 46 [2018-04-12 20:12:46,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:12:46,834 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-12 20:12:46,834 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-12 20:12:46,835 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-12 20:12:46,835 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-12 20:12:46,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.04 08:12:46 BoogieIcfgContainer [2018-04-12 20:12:46,838 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-12 20:12:46,838 INFO L168 Benchmark]: Toolchain (without parser) took 5965.98 ms. Allocated memory was 402.7 MB in the beginning and 731.9 MB in the end (delta: 329.3 MB). Free memory was 335.8 MB in the beginning and 600.5 MB in the end (delta: -264.7 MB). Peak memory consumption was 64.6 MB. Max. memory is 5.3 GB. [2018-04-12 20:12:46,839 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 402.7 MB. Free memory is still 363.0 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-12 20:12:46,839 INFO L168 Benchmark]: CACSL2BoogieTranslator took 255.92 ms. Allocated memory is still 402.7 MB. Free memory was 334.5 MB in the beginning and 310.6 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. [2018-04-12 20:12:46,840 INFO L168 Benchmark]: Boogie Preprocessor took 39.27 ms. Allocated memory is still 402.7 MB. Free memory was 310.6 MB in the beginning and 309.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. [2018-04-12 20:12:46,840 INFO L168 Benchmark]: RCFGBuilder took 392.08 ms. Allocated memory was 402.7 MB in the beginning and 617.1 MB in the end (delta: 214.4 MB). Free memory was 308.0 MB in the beginning and 553.5 MB in the end (delta: -245.5 MB). Peak memory consumption was 23.3 MB. Max. memory is 5.3 GB. [2018-04-12 20:12:46,840 INFO L168 Benchmark]: TraceAbstraction took 5275.70 ms. Allocated memory was 617.1 MB in the beginning and 731.9 MB in the end (delta: 114.8 MB). Free memory was 553.5 MB in the beginning and 600.5 MB in the end (delta: -47.1 MB). Peak memory consumption was 67.8 MB. Max. memory is 5.3 GB. [2018-04-12 20:12:46,842 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 402.7 MB. Free memory is still 363.0 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 255.92 ms. Allocated memory is still 402.7 MB. Free memory was 334.5 MB in the beginning and 310.6 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 39.27 ms. Allocated memory is still 402.7 MB. Free memory was 310.6 MB in the beginning and 309.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. * RCFGBuilder took 392.08 ms. Allocated memory was 402.7 MB in the beginning and 617.1 MB in the end (delta: 214.4 MB). Free memory was 308.0 MB in the beginning and 553.5 MB in the end (delta: -245.5 MB). Peak memory consumption was 23.3 MB. Max. memory is 5.3 GB. * TraceAbstraction took 5275.70 ms. Allocated memory was 617.1 MB in the beginning and 731.9 MB in the end (delta: 114.8 MB). Free memory was 553.5 MB in the beginning and 600.5 MB in the end (delta: -47.1 MB). Peak memory consumption was 67.8 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 566]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 565]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 566]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 565]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 549]: 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: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 549]: 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, 51 locations, 9 error locations. SAFE Result, 5.2s OverallTime, 16 OverallIterations, 4 TraceHistogramMax, 3.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 459 SDtfs, 713 SDslu, 2025 SDs, 0 SdLazy, 2060 SolverSat, 145 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 262 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 236 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 670 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=122occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 21/88 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, 16 MinimizatonAttempts, 85 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 402 NumberOfCodeBlocks, 402 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 386 ConstructedInterpolants, 0 QuantifiedInterpolants, 103852 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 10 PerfectInterpolantSequences, 21/88 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_cstrcspn-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-12_20-12-46-850.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-12_20-12-46-850.csv Received shutdown request...