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_cstrspn-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-11 12:56:41,970 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 12:56:41,972 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 12:56:41,984 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 12:56:41,984 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 12:56:41,985 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 12:56:41,986 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 12:56:41,987 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 12:56:41,989 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 12:56:41,990 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 12:56:41,990 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 12:56:41,990 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 12:56:41,991 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 12:56:41,992 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 12:56:41,993 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 12:56:41,995 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 12:56:41,996 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 12:56:41,998 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 12:56:41,999 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 12:56:42,000 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 12:56:42,001 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-11 12:56:42,002 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-11 12:56:42,002 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-11 12:56:42,003 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-11 12:56:42,004 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-11 12:56:42,005 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-11 12:56:42,005 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-11 12:56:42,005 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-11 12:56:42,006 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-11 12:56:42,006 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-11 12:56:42,006 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-11 12:56:42,007 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 [2018-04-11 12:56:42,028 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 12:56:42,028 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 12:56:42,029 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-11 12:56:42,029 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-11 12:56:42,029 INFO L133 SettingsManager]: * Use SBE=true [2018-04-11 12:56:42,030 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 12:56:42,030 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 12:56:42,030 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 12:56:42,030 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 12:56:42,030 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 12:56:42,030 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 12:56:42,030 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 12:56:42,030 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-11 12:56:42,030 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 12:56:42,030 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 12:56:42,031 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 12:56:42,031 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-11 12:56:42,031 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-11 12:56:42,031 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 12:56:42,031 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 12:56:42,031 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 12:56:42,031 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 [2018-04-11 12:56:42,057 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 12:56:42,065 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 12:56:42,068 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 12:56:42,069 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 12:56:42,069 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 12:56:42,070 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,340 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG98022ecb2 [2018-04-11 12:56:42,486 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 12:56:42,487 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 12:56:42,487 INFO L168 CDTParser]: Scanning openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,495 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 12:56:42,496 INFO L215 ultiparseSymbolTable]: [2018-04-11 12:56:42,496 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 12:56:42,496 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i____bswap_64 ('__bswap_64') in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,496 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,496 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i____bswap_32 ('__bswap_32') in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,496 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn ('cstrspn') in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,496 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 12:56:42,497 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__fsfilcnt_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,497 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i____ssize_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,497 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i____socklen_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,497 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__u_int64_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,497 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i____time_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,497 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__int8_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,497 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__gid_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,497 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i____nlink_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,497 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i____blkcnt64_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,497 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__ldiv_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,497 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__pthread_mutex_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,498 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i____u_short in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,498 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__ino_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,498 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__register_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,498 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__pid_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,498 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__int32_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,498 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i____rlim_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,498 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i____fsfilcnt64_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,498 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__timer_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,498 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__u_int in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,498 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__mode_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,498 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i____int32_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,498 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__key_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,499 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i____suseconds_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,499 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i____int8_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,499 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i____fsblkcnt64_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,499 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__fsblkcnt_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,499 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i____rlim64_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,499 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i____fsfilcnt_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,499 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__pthread_mutexattr_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,499 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i____timer_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,499 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__pthread_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,499 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i____id_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,500 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__nlink_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,500 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i____qaddr_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,500 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i____int64_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,500 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i____fsblkcnt_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,500 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i____syscall_ulong_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,500 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__loff_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,500 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__u_int8_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,500 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__uint in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,500 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i____fd_mask in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,500 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i____u_int in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,500 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__pthread_key_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,500 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__pthread_rwlock_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,500 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i____uid_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,501 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__u_quad_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,501 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i____key_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,501 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i____sig_atomic_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,501 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i____fsword_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,501 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i____uint64_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,501 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i____useconds_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,501 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__sigset_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,501 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i____blkcnt_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,501 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__pthread_barrierattr_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,501 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__ssize_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,501 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__time_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,501 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__dev_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,501 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__id_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,501 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i____uint16_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,501 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i____fsid_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,501 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i____ino64_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,501 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__daddr_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,501 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i____quad_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,502 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i____syscall_slong_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,502 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__ushort in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,502 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i____u_quad_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,502 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,502 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__suseconds_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,502 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__u_long in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,502 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__fd_mask in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,502 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__pthread_barrier_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,502 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__clock_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,502 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i____off_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,502 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__fsid_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,502 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i____clock_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,502 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__clockid_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,502 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i____uint8_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,502 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__u_int32_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,502 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i____loff_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,502 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i____pid_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,502 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i____daddr_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,503 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__int64_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,503 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__pthread_condattr_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,503 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i____blksize_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,503 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i____gid_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,503 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i____WAIT_STATUS in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,503 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__lldiv_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,503 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i____dev_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,503 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__int16_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,503 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__uid_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,503 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i____u_char in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,503 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i____off64_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,504 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__fd_set in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,504 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__pthread_attr_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,504 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i____caddr_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,504 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__wchar_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,504 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__caddr_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,504 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__u_int16_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,504 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__pthread_cond_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,504 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__ulong in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,504 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i____sigset_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,504 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i____pthread_list_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,504 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i____clockid_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,505 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__u_char in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,505 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__quad_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,505 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__blkcnt_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,505 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__size_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,505 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__off_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,505 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__u_short in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,505 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i____int16_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,505 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__div_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,505 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__pthread_once_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,505 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i____intptr_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,505 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i____ino_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,506 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i____uint32_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,506 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i____u_long in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,506 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i____mode_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,506 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__blksize_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,506 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__pthread_spinlock_t in openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:42,519 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG98022ecb2 [2018-04-11 12:56:42,521 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 12:56:42,522 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 12:56:42,523 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 12:56:42,523 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 12:56:42,526 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 12:56:42,527 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 12:56:42" (1/1) ... [2018-04-11 12:56:42,529 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5849ae08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:56:42, skipping insertion in model container [2018-04-11 12:56:42,529 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 12:56:42" (1/1) ... [2018-04-11 12:56:42,540 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 12:56:42,560 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 12:56:42,663 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 12:56:42,707 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 12:56:42,713 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-11 12:56:42,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:56:42 WrapperNode [2018-04-11 12:56:42,741 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 12:56:42,742 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 12:56:42,742 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 12:56:42,742 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 12:56:42,750 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:56:42" (1/1) ... [2018-04-11 12:56:42,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:56:42" (1/1) ... [2018-04-11 12:56:42,761 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:56:42" (1/1) ... [2018-04-11 12:56:42,761 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:56:42" (1/1) ... [2018-04-11 12:56:42,770 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:56:42" (1/1) ... [2018-04-11 12:56:42,774 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:56:42" (1/1) ... [2018-04-11 12:56:42,776 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:56:42" (1/1) ... [2018-04-11 12:56:42,780 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 12:56:42,780 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 12:56:42,780 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 12:56:42,780 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 12:56:42,781 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:56:42" (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 [2018-04-11 12:56:42,871 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 12:56:42,871 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 12:56:42,871 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-11 12:56:42,872 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-11 12:56:42,872 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn [2018-04-11 12:56:42,872 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 12:56:42,872 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-11 12:56:42,872 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-11 12:56:42,872 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 12:56:42,872 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 12:56:42,872 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 12:56:42,872 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 12:56:42,872 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 12:56:42,872 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 12:56:42,872 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 12:56:42,872 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 12:56:42,873 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 12:56:42,873 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 12:56:42,873 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 12:56:42,873 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 12:56:42,873 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 12:56:42,873 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 12:56:42,873 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 12:56:42,873 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 12:56:42,873 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 12:56:42,874 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 12:56:42,874 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 12:56:42,874 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 12:56:42,874 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 12:56:42,874 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 12:56:42,874 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 12:56:42,874 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 12:56:42,874 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 12:56:42,874 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 12:56:42,874 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 12:56:42,874 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 12:56:42,875 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 12:56:42,875 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 12:56:42,875 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 12:56:42,875 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 12:56:42,875 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 12:56:42,875 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 12:56:42,875 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 12:56:42,875 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 12:56:42,875 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 12:56:42,875 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 12:56:42,876 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 12:56:42,876 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 12:56:42,876 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 12:56:42,876 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 12:56:42,876 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 12:56:42,876 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 12:56:42,876 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 12:56:42,876 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 12:56:42,876 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 12:56:42,877 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 12:56:42,877 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 12:56:42,877 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 12:56:42,877 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 12:56:42,877 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 12:56:42,877 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 12:56:42,877 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 12:56:42,877 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 12:56:42,877 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 12:56:42,877 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 12:56:42,877 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 12:56:42,878 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 12:56:42,878 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 12:56:42,878 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 12:56:42,878 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-11 12:56:42,878 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 12:56:42,878 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 12:56:42,878 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 12:56:42,878 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 12:56:42,878 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 12:56:42,878 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 12:56:42,878 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 12:56:42,878 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 12:56:42,878 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 12:56:42,878 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 12:56:42,878 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 12:56:42,878 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 12:56:42,879 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 12:56:42,879 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 12:56:42,879 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 12:56:42,879 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 12:56:42,879 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 12:56:42,879 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 12:56:42,879 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 12:56:42,879 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 12:56:42,879 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 12:56:42,879 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 12:56:42,879 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 12:56:42,879 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 12:56:42,879 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 12:56:42,879 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 12:56:42,880 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 12:56:42,880 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 12:56:42,880 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 12:56:42,880 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 12:56:42,880 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 12:56:42,880 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 12:56:42,880 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 12:56:42,880 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 12:56:42,880 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 12:56:42,880 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 12:56:42,881 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 12:56:42,881 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 12:56:42,881 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-11 12:56:42,881 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn [2018-04-11 12:56:42,881 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-11 12:56:42,881 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 12:56:42,881 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 12:56:42,881 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-11 12:56:42,881 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 12:56:42,881 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 12:56:42,881 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 12:56:42,882 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-11 12:56:43,151 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 12:56:43,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 12:56:43 BoogieIcfgContainer [2018-04-11 12:56:43,152 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 12:56:43,152 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 12:56:43,152 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 12:56:43,155 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 12:56:43,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 12:56:42" (1/3) ... [2018-04-11 12:56:43,156 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@412ac4e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 12:56:43, skipping insertion in model container [2018-04-11 12:56:43,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:56:42" (2/3) ... [2018-04-11 12:56:43,156 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@412ac4e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 12:56:43, skipping insertion in model container [2018-04-11 12:56:43,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 12:56:43" (3/3) ... [2018-04-11 12:56:43,158 INFO L107 eAbstractionObserver]: Analyzing ICFG openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:56:43,164 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-04-11 12:56:43,169 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2018-04-11 12:56:43,192 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 12:56:43,192 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 12:56:43,192 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-11 12:56:43,192 INFO L371 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-04-11 12:56:43,192 INFO L372 AbstractCegarLoop]: Backedges is CANONICAL [2018-04-11 12:56:43,192 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 12:56:43,193 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 12:56:43,193 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 12:56:43,193 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 12:56:43,193 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 12:56:43,201 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2018-04-11 12:56:43,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-11 12:56:43,208 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 12:56:43,209 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 12:56:43,209 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr1RequiresViolation, __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr3RequiresViolation, __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr2RequiresViolation, __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 12:56:43,212 INFO L82 PathProgramCache]: Analyzing trace with hash -376792556, now seen corresponding path program 1 times [2018-04-11 12:56:43,244 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 12:56:43,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 12:56:43,281 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 12:56:43,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:56:43,345 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 12:56:43,345 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 12:56:43,346 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 12:56:43,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:56:43,346 INFO L182 omatonBuilderFactory]: Interpolants [48#true, 49#false, 50#(= 1 (select |#valid| |main_#t~malloc8.base|)), 51#(= 1 (select |#valid| main_~nondetString1~0.base))] [2018-04-11 12:56:43,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:56:43,347 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 12:56:43,355 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 12:56:43,355 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 12:56:43,357 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 4 states. [2018-04-11 12:56:43,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 12:56:43,419 INFO L93 Difference]: Finished difference Result 44 states and 47 transitions. [2018-04-11 12:56:43,419 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 12:56:43,420 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-04-11 12:56:43,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 12:56:43,429 INFO L225 Difference]: With dead ends: 44 [2018-04-11 12:56:43,429 INFO L226 Difference]: Without dead ends: 41 [2018-04-11 12:56:43,430 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 [2018-04-11 12:56:43,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-04-11 12:56:43,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-04-11 12:56:43,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-04-11 12:56:43,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 44 transitions. [2018-04-11 12:56:43,460 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 44 transitions. Word has length 13 [2018-04-11 12:56:43,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 12:56:43,460 INFO L459 AbstractCegarLoop]: Abstraction has 41 states and 44 transitions. [2018-04-11 12:56:43,461 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 12:56:43,461 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 44 transitions. [2018-04-11 12:56:43,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-11 12:56:43,461 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 12:56:43,461 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 12:56:43,461 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr1RequiresViolation, __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr3RequiresViolation, __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr2RequiresViolation, __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 12:56:43,462 INFO L82 PathProgramCache]: Analyzing trace with hash -376792555, now seen corresponding path program 1 times [2018-04-11 12:56:43,462 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 12:56:43,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 12:56:43,476 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 12:56:43,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:56:43,549 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 12:56:43,550 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 12:56:43,550 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 12:56:43,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:56:43,550 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))] [2018-04-11 12:56:43,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:56:43,551 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 12:56:43,552 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 12:56:43,552 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-04-11 12:56:43,552 INFO L87 Difference]: Start difference. First operand 41 states and 44 transitions. Second operand 6 states. [2018-04-11 12:56:43,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 12:56:43,622 INFO L93 Difference]: Finished difference Result 40 states and 43 transitions. [2018-04-11 12:56:43,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 12:56:43,622 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2018-04-11 12:56:43,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 12:56:43,623 INFO L225 Difference]: With dead ends: 40 [2018-04-11 12:56:43,623 INFO L226 Difference]: Without dead ends: 40 [2018-04-11 12:56:43,624 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 [2018-04-11 12:56:43,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-04-11 12:56:43,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2018-04-11 12:56:43,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-04-11 12:56:43,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 43 transitions. [2018-04-11 12:56:43,628 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 43 transitions. Word has length 13 [2018-04-11 12:56:43,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 12:56:43,628 INFO L459 AbstractCegarLoop]: Abstraction has 40 states and 43 transitions. [2018-04-11 12:56:43,628 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 12:56:43,628 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2018-04-11 12:56:43,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-11 12:56:43,629 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 12:56:43,629 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 12:56:43,629 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr1RequiresViolation, __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr3RequiresViolation, __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr2RequiresViolation, __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 12:56:43,629 INFO L82 PathProgramCache]: Analyzing trace with hash 1204332646, now seen corresponding path program 1 times [2018-04-11 12:56:43,630 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 12:56:43,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 12:56:43,639 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 12:56:43,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:56:43,655 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 12:56:43,655 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 12:56:43,655 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 12:56:43,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:56:43,655 INFO L182 omatonBuilderFactory]: Interpolants [227#true, 228#false, 229#(= 1 (select |#valid| |main_#t~malloc9.base|)), 230#(= 1 (select |#valid| main_~nondetString2~0.base))] [2018-04-11 12:56:43,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:56:43,656 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 12:56:43,656 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 12:56:43,656 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 12:56:43,656 INFO L87 Difference]: Start difference. First operand 40 states and 43 transitions. Second operand 4 states. [2018-04-11 12:56:43,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 12:56:43,688 INFO L93 Difference]: Finished difference Result 39 states and 42 transitions. [2018-04-11 12:56:43,688 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 12:56:43,688 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-04-11 12:56:43,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 12:56:43,689 INFO L225 Difference]: With dead ends: 39 [2018-04-11 12:56:43,689 INFO L226 Difference]: Without dead ends: 39 [2018-04-11 12:56:43,689 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 [2018-04-11 12:56:43,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-04-11 12:56:43,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2018-04-11 12:56:43,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-04-11 12:56:43,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 42 transitions. [2018-04-11 12:56:43,692 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 42 transitions. Word has length 14 [2018-04-11 12:56:43,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 12:56:43,692 INFO L459 AbstractCegarLoop]: Abstraction has 39 states and 42 transitions. [2018-04-11 12:56:43,693 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 12:56:43,693 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 42 transitions. [2018-04-11 12:56:43,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-11 12:56:43,693 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 12:56:43,693 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 12:56:43,693 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr1RequiresViolation, __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr3RequiresViolation, __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr2RequiresViolation, __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 12:56:43,693 INFO L82 PathProgramCache]: Analyzing trace with hash 1204332647, now seen corresponding path program 1 times [2018-04-11 12:56:43,694 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 12:56:43,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 12:56:43,704 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 12:56:43,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:56:43,746 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 12:56:43,746 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 12:56:43,746 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 12:56:43,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:56:43,747 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)))] [2018-04-11 12:56:43,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:56:43,747 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 12:56:43,747 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 12:56:43,747 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 12:56:43,747 INFO L87 Difference]: Start difference. First operand 39 states and 42 transitions. Second operand 5 states. [2018-04-11 12:56:43,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 12:56:43,775 INFO L93 Difference]: Finished difference Result 38 states and 41 transitions. [2018-04-11 12:56:43,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 12:56:43,776 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-04-11 12:56:43,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 12:56:43,777 INFO L225 Difference]: With dead ends: 38 [2018-04-11 12:56:43,777 INFO L226 Difference]: Without dead ends: 38 [2018-04-11 12:56:43,777 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 [2018-04-11 12:56:43,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-04-11 12:56:43,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2018-04-11 12:56:43,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-04-11 12:56:43,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 41 transitions. [2018-04-11 12:56:43,780 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 41 transitions. Word has length 14 [2018-04-11 12:56:43,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 12:56:43,780 INFO L459 AbstractCegarLoop]: Abstraction has 38 states and 41 transitions. [2018-04-11 12:56:43,780 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 12:56:43,780 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 41 transitions. [2018-04-11 12:56:43,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-11 12:56:43,781 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 12:56:43,781 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 12:56:43,781 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr1RequiresViolation, __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr3RequiresViolation, __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr2RequiresViolation, __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 12:56:43,781 INFO L82 PathProgramCache]: Analyzing trace with hash 1759820867, now seen corresponding path program 1 times [2018-04-11 12:56:43,782 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 12:56:43,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 12:56:43,794 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 12:56:43,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:56:43,827 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 12:56:43,827 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 12:56:43,828 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 12:56:43,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:56:43,828 INFO L182 omatonBuilderFactory]: Interpolants [394#true, 395#false, 396#(= 1 (select |#valid| main_~nondetString1~0.base)), 397#(= 1 (select |#valid| |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#in~s1.base|)), 398#(= 1 (select |#valid| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.base)), 399#(= 1 (select |#valid| |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post2.base|))] [2018-04-11 12:56:43,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:56:43,828 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 12:56:43,828 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 12:56:43,829 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-11 12:56:43,829 INFO L87 Difference]: Start difference. First operand 38 states and 41 transitions. Second operand 6 states. [2018-04-11 12:56:43,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 12:56:43,888 INFO L93 Difference]: Finished difference Result 37 states and 40 transitions. [2018-04-11 12:56:43,889 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 12:56:43,889 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2018-04-11 12:56:43,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 12:56:43,889 INFO L225 Difference]: With dead ends: 37 [2018-04-11 12:56:43,889 INFO L226 Difference]: Without dead ends: 37 [2018-04-11 12:56:43,889 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 [2018-04-11 12:56:43,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-04-11 12:56:43,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-04-11 12:56:43,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-04-11 12:56:43,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 40 transitions. [2018-04-11 12:56:43,891 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 40 transitions. Word has length 18 [2018-04-11 12:56:43,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 12:56:43,891 INFO L459 AbstractCegarLoop]: Abstraction has 37 states and 40 transitions. [2018-04-11 12:56:43,891 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 12:56:43,891 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 40 transitions. [2018-04-11 12:56:43,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-11 12:56:43,892 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 12:56:43,892 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 12:56:43,892 INFO L408 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr1RequiresViolation, __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr3RequiresViolation, __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr2RequiresViolation, __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 12:56:43,892 INFO L82 PathProgramCache]: Analyzing trace with hash 1759820868, now seen corresponding path program 1 times [2018-04-11 12:56:43,892 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 12:56:43,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 12:56:43,902 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 12:56:43,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:56:43,975 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 12:56:43,975 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-11 12:56:43,975 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 12:56:43,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:56:43,975 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_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#in~s1.offset|) (<= 1 (select |#length| |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#in~s1.base|))), 485#(and (<= 1 (select |#length| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.base)) (= 0 __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.offset)), 486#(and (<= 1 (select |#length| |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post2.base|)) (= |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post2.offset| 0)), 478#true, 479#false] [2018-04-11 12:56:43,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:56:43,976 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-11 12:56:43,976 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-11 12:56:43,976 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-04-11 12:56:43,976 INFO L87 Difference]: Start difference. First operand 37 states and 40 transitions. Second operand 9 states. [2018-04-11 12:56:44,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 12:56:44,071 INFO L93 Difference]: Finished difference Result 40 states and 43 transitions. [2018-04-11 12:56:44,071 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-11 12:56:44,071 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 18 [2018-04-11 12:56:44,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 12:56:44,071 INFO L225 Difference]: With dead ends: 40 [2018-04-11 12:56:44,071 INFO L226 Difference]: Without dead ends: 40 [2018-04-11 12:56:44,072 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 [2018-04-11 12:56:44,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-04-11 12:56:44,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 39. [2018-04-11 12:56:44,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-04-11 12:56:44,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 42 transitions. [2018-04-11 12:56:44,075 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 42 transitions. Word has length 18 [2018-04-11 12:56:44,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 12:56:44,075 INFO L459 AbstractCegarLoop]: Abstraction has 39 states and 42 transitions. [2018-04-11 12:56:44,075 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-11 12:56:44,075 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 42 transitions. [2018-04-11 12:56:44,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-04-11 12:56:44,075 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 12:56:44,075 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 12:56:44,076 INFO L408 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr1RequiresViolation, __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr3RequiresViolation, __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr2RequiresViolation, __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 12:56:44,076 INFO L82 PathProgramCache]: Analyzing trace with hash -1842322422, now seen corresponding path program 1 times [2018-04-11 12:56:44,076 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 12:56:44,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 12:56:44,087 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 12:56:44,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:56:44,161 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 12:56:44,161 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-04-11 12:56:44,161 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 12:56:44,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:56:44,161 INFO L182 omatonBuilderFactory]: Interpolants [576#true, 577#false, 578#(<= 1 main_~length2~0), 579#(and (= 0 |main_#t~malloc9.offset|) (= main_~length2~0 (select |#length| |main_#t~malloc9.base|)) (<= 1 main_~length2~0)), 580#(and (= 0 main_~nondetString2~0.offset) (<= 1 main_~length2~0) (= main_~length2~0 (select |#length| main_~nondetString2~0.base))), 581#(and (= 0 main_~nondetString2~0.offset) (<= 1 (select |#length| main_~nondetString2~0.base))), 582#(and (<= 1 (select |#length| |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#in~s2.base|)) (= 0 |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#in~s2.offset|)), 583#(and (<= 1 (select |#length| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~s2.base)) (= 0 __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~s2.offset)), 584#(and (= 0 __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.offset) (<= 1 (select |#length| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.base))), 585#(and (= |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post4.offset| 0) (<= 1 (select |#length| |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post4.base|)))] [2018-04-11 12:56:44,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:56:44,161 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-11 12:56:44,161 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-11 12:56:44,161 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-04-11 12:56:44,161 INFO L87 Difference]: Start difference. First operand 39 states and 42 transitions. Second operand 10 states. [2018-04-11 12:56:44,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 12:56:44,243 INFO L93 Difference]: Finished difference Result 44 states and 48 transitions. [2018-04-11 12:56:44,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-11 12:56:44,244 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 21 [2018-04-11 12:56:44,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 12:56:44,244 INFO L225 Difference]: With dead ends: 44 [2018-04-11 12:56:44,244 INFO L226 Difference]: Without dead ends: 44 [2018-04-11 12:56:44,244 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 [2018-04-11 12:56:44,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-04-11 12:56:44,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 41. [2018-04-11 12:56:44,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-04-11 12:56:44,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2018-04-11 12:56:44,246 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 45 transitions. Word has length 21 [2018-04-11 12:56:44,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 12:56:44,246 INFO L459 AbstractCegarLoop]: Abstraction has 41 states and 45 transitions. [2018-04-11 12:56:44,246 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-11 12:56:44,246 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2018-04-11 12:56:44,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-04-11 12:56:44,247 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 12:56:44,247 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 12:56:44,247 INFO L408 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr1RequiresViolation, __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr3RequiresViolation, __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr2RequiresViolation, __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 12:56:44,247 INFO L82 PathProgramCache]: Analyzing trace with hash -1842322423, now seen corresponding path program 1 times [2018-04-11 12:56:44,247 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 12:56:44,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 12:56:44,253 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 12:56:44,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:56:44,281 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 12:56:44,281 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-11 12:56:44,281 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 12:56:44,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:56:44,281 INFO L182 omatonBuilderFactory]: Interpolants [679#true, 680#false, 681#(= 1 (select |#valid| main_~nondetString2~0.base)), 682#(= 1 (select |#valid| |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#in~s2.base|)), 683#(= 1 (select |#valid| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~s2.base)), 684#(= 1 (select |#valid| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.base)), 685#(= 1 (select |#valid| |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post4.base|))] [2018-04-11 12:56:44,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:56:44,281 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-11 12:56:44,282 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-11 12:56:44,282 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-04-11 12:56:44,282 INFO L87 Difference]: Start difference. First operand 41 states and 45 transitions. Second operand 7 states. [2018-04-11 12:56:44,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 12:56:44,330 INFO L93 Difference]: Finished difference Result 41 states and 44 transitions. [2018-04-11 12:56:44,330 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-11 12:56:44,331 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2018-04-11 12:56:44,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 12:56:44,331 INFO L225 Difference]: With dead ends: 41 [2018-04-11 12:56:44,331 INFO L226 Difference]: Without dead ends: 41 [2018-04-11 12:56:44,331 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 [2018-04-11 12:56:44,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-04-11 12:56:44,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 40. [2018-04-11 12:56:44,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-04-11 12:56:44,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 43 transitions. [2018-04-11 12:56:44,333 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 43 transitions. Word has length 21 [2018-04-11 12:56:44,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 12:56:44,333 INFO L459 AbstractCegarLoop]: Abstraction has 40 states and 43 transitions. [2018-04-11 12:56:44,333 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-11 12:56:44,333 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2018-04-11 12:56:44,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-04-11 12:56:44,333 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 12:56:44,333 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] [2018-04-11 12:56:44,334 INFO L408 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr1RequiresViolation, __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr3RequiresViolation, __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr2RequiresViolation, __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 12:56:44,334 INFO L82 PathProgramCache]: Analyzing trace with hash 14731087, now seen corresponding path program 1 times [2018-04-11 12:56:44,334 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 12:56:44,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 12:56:44,348 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 12:56:44,501 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:56:44,501 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 12:56:44,501 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-04-11 12:56:44,501 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 12:56:44,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:56:44,502 INFO L182 omatonBuilderFactory]: Interpolants [773#true, 774#false, 775#(and (<= 1 main_~length1~0) (<= main_~length1~0 1)), 776#(and (= (select |#valid| |main_#t~malloc8.base|) 1) (<= 1 main_~length1~0) (<= main_~length1~0 1) (= 0 |main_#t~malloc8.offset|)), 777#(and (= (select |#valid| main_~nondetString1~0.base) 1) (<= 1 main_~length1~0) (<= main_~length1~0 1) (= main_~nondetString1~0.offset 0)), 778#(and (not (= main_~nondetString1~0.base |main_#t~malloc9.base|)) (<= 1 main_~length1~0) (<= main_~length1~0 1) (= main_~nondetString1~0.offset 0)), 779#(and (<= 1 main_~length1~0) (not (= main_~nondetString1~0.base main_~nondetString2~0.base)) (<= main_~length1~0 1) (= main_~nondetString1~0.offset 0)), 780#(and (= 0 (select (select |#memory_int| main_~nondetString1~0.base) main_~nondetString1~0.offset)) (not (= main_~nondetString1~0.base main_~nondetString2~0.base)) (= main_~nondetString1~0.offset 0)), 781#(= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#in~s1.base|) |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#in~s1.offset|)), 782#(= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.base) __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.offset)), 783#(= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post2.base|) |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post2.offset|)), 784#(= 0 |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~mem3|), 785#(= 0 __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~c~0), 786#(not (= __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~sc~0 __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~c~0))] [2018-04-11 12:56:44,502 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:56:44,502 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-11 12:56:44,502 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-11 12:56:44,502 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2018-04-11 12:56:44,502 INFO L87 Difference]: Start difference. First operand 40 states and 43 transitions. Second operand 14 states. [2018-04-11 12:56:44,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 12:56:44,731 INFO L93 Difference]: Finished difference Result 72 states and 76 transitions. [2018-04-11 12:56:44,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-11 12:56:44,731 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 26 [2018-04-11 12:56:44,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 12:56:44,732 INFO L225 Difference]: With dead ends: 72 [2018-04-11 12:56:44,732 INFO L226 Difference]: Without dead ends: 72 [2018-04-11 12:56:44,732 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=501, Unknown=0, NotChecked=0, Total=600 [2018-04-11 12:56:44,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-04-11 12:56:44,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 62. [2018-04-11 12:56:44,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-04-11 12:56:44,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 68 transitions. [2018-04-11 12:56:44,736 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 68 transitions. Word has length 26 [2018-04-11 12:56:44,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 12:56:44,737 INFO L459 AbstractCegarLoop]: Abstraction has 62 states and 68 transitions. [2018-04-11 12:56:44,737 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-11 12:56:44,737 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 68 transitions. [2018-04-11 12:56:44,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-04-11 12:56:44,738 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 12:56:44,738 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] [2018-04-11 12:56:44,739 INFO L408 AbstractCegarLoop]: === Iteration 10 === [__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr1RequiresViolation, __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr3RequiresViolation, __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr2RequiresViolation, __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 12:56:44,739 INFO L82 PathProgramCache]: Analyzing trace with hash 14733265, now seen corresponding path program 1 times [2018-04-11 12:56:44,740 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 12:56:44,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 12:56:44,751 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 12:56:44,852 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:56:44,852 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 12:56:44,852 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-04-11 12:56:44,852 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 12:56:44,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:56:44,853 INFO L182 omatonBuilderFactory]: Interpolants [944#false, 945#(and (<= main_~length2~0 1) (<= 1 main_~length2~0)), 946#(and (= 0 |main_#t~malloc9.offset|) (<= main_~length2~0 1) (<= 1 main_~length2~0)), 947#(and (= main_~nondetString2~0.offset 0) (<= 1 main_~length2~0) (<= (+ main_~nondetString2~0.offset main_~length2~0) 1)), 948#(and (= main_~nondetString2~0.offset 0) (= 0 (select (select |#memory_int| main_~nondetString2~0.base) main_~nondetString2~0.offset))), 949#(= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#in~s2.base|) |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#in~s2.offset|)), 950#(= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~s2.base) __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~s2.offset)), 951#(= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.base) __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.offset)), 952#(= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post4.base|) |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post4.offset|)), 953#(= 0 |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~mem5|), 954#(= __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~sc~0 0), 943#true] [2018-04-11 12:56:44,853 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:56:44,853 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-11 12:56:44,853 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-11 12:56:44,853 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2018-04-11 12:56:44,853 INFO L87 Difference]: Start difference. First operand 62 states and 68 transitions. Second operand 12 states. [2018-04-11 12:56:44,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 12:56:44,966 INFO L93 Difference]: Finished difference Result 105 states and 110 transitions. [2018-04-11 12:56:44,966 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-11 12:56:44,966 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 26 [2018-04-11 12:56:44,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 12:56:44,968 INFO L225 Difference]: With dead ends: 105 [2018-04-11 12:56:44,968 INFO L226 Difference]: Without dead ends: 105 [2018-04-11 12:56:44,969 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=338, Unknown=0, NotChecked=0, Total=420 [2018-04-11 12:56:44,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-04-11 12:56:44,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 80. [2018-04-11 12:56:44,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-04-11 12:56:44,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 86 transitions. [2018-04-11 12:56:44,972 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 86 transitions. Word has length 26 [2018-04-11 12:56:44,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 12:56:44,972 INFO L459 AbstractCegarLoop]: Abstraction has 80 states and 86 transitions. [2018-04-11 12:56:44,972 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-11 12:56:44,972 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 86 transitions. [2018-04-11 12:56:44,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-04-11 12:56:44,972 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 12:56:44,972 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] [2018-04-11 12:56:44,972 INFO L408 AbstractCegarLoop]: === Iteration 11 === [__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr1RequiresViolation, __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr3RequiresViolation, __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr2RequiresViolation, __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 12:56:44,972 INFO L82 PathProgramCache]: Analyzing trace with hash -1674210477, now seen corresponding path program 1 times [2018-04-11 12:56:44,973 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 12:56:44,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 12:56:44,980 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 12:56:45,119 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:56:45,119 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 12:56:45,119 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-04-11 12:56:45,119 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 12:56:45,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:56:45,120 INFO L182 omatonBuilderFactory]: Interpolants [1158#true, 1159#false, 1160#(<= 1 main_~length2~0), 1161#(and (= 0 |main_#t~malloc9.offset|) (= main_~length2~0 (select |#length| |main_#t~malloc9.base|)) (<= 1 main_~length2~0)), 1162#(and (= 0 main_~nondetString2~0.offset) (<= 1 main_~length2~0) (= main_~length2~0 (select |#length| main_~nondetString2~0.base))), 1163#(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))))), 1164#(and (= 0 |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#in~s2.offset|) (or (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#in~s2.base|) |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#in~s2.offset|)) (<= 2 (select |#length| |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#in~s2.base|)))), 1165#(and (or (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~s2.base) __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~s2.offset)) (<= 2 (select |#length| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~s2.base))) (= 0 __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~s2.offset)), 1166#(and (or (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.base) __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.offset)) (<= 2 (select |#length| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.base))) (= 0 __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.offset)), 1167#(and (= |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post4.offset| 0) (or (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post4.base|) |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post4.offset|)) (and (<= (+ |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post4.offset| 1) __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.offset) (<= (+ __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.offset 1) (+ |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post4.offset| (select |#length| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.base)))))), 1168#(or (and (<= (+ __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.base)) (<= 1 __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.offset)) (= 0 |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~mem5|)), 1169#(or (and (<= (+ __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.base)) (<= 1 __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.offset)) (= __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~sc~0 0)), 1170#(and (<= (+ __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.base)) (<= 1 __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.offset)), 1171#(and (<= (+ |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post4.offset| 1) (select |#length| |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post4.base|)) (<= 1 |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post4.offset|))] [2018-04-11 12:56:45,120 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:56:45,120 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-11 12:56:45,120 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-11 12:56:45,120 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2018-04-11 12:56:45,120 INFO L87 Difference]: Start difference. First operand 80 states and 86 transitions. Second operand 14 states. [2018-04-11 12:56:45,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 12:56:45,396 INFO L93 Difference]: Finished difference Result 98 states and 109 transitions. [2018-04-11 12:56:45,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-11 12:56:45,396 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 26 [2018-04-11 12:56:45,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 12:56:45,396 INFO L225 Difference]: With dead ends: 98 [2018-04-11 12:56:45,397 INFO L226 Difference]: Without dead ends: 98 [2018-04-11 12:56:45,397 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 [2018-04-11 12:56:45,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2018-04-11 12:56:45,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 90. [2018-04-11 12:56:45,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2018-04-11 12:56:45,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 99 transitions. [2018-04-11 12:56:45,400 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 99 transitions. Word has length 26 [2018-04-11 12:56:45,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 12:56:45,400 INFO L459 AbstractCegarLoop]: Abstraction has 90 states and 99 transitions. [2018-04-11 12:56:45,400 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-11 12:56:45,400 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 99 transitions. [2018-04-11 12:56:45,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-04-11 12:56:45,401 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 12:56:45,401 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] [2018-04-11 12:56:45,401 INFO L408 AbstractCegarLoop]: === Iteration 12 === [__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr1RequiresViolation, __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr3RequiresViolation, __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr2RequiresViolation, __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 12:56:45,401 INFO L82 PathProgramCache]: Analyzing trace with hash 1803106191, now seen corresponding path program 1 times [2018-04-11 12:56:45,402 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 12:56:45,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 12:56:45,412 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 12:56:45,720 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:56:45,720 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 12:56:45,720 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-04-11 12:56:45,720 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 12:56:45,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:56:45,721 INFO L182 omatonBuilderFactory]: Interpolants [1382#true, 1383#false, 1384#(<= 1 main_~length1~0), 1385#(and (<= 1 main_~length2~0) (<= 1 main_~length1~0)), 1386#(and (<= 1 main_~length2~0) (<= 1 main_~length1~0) (= 0 |main_#t~malloc8.offset|)), 1387#(and (= 0 main_~nondetString1~0.offset) (<= 1 main_~length2~0) (<= 1 main_~length1~0)), 1388#(and (= 0 main_~nondetString1~0.offset) (= 0 |main_#t~malloc9.offset|) (<= 1 main_~length2~0) (<= 1 main_~length1~0) (<= main_~length2~0 (select |#length| |main_#t~malloc9.base|))), 1389#(and (= main_~nondetString2~0.offset 0) (= 0 main_~nondetString1~0.offset) (or (= main_~nondetString1~0.base main_~nondetString2~0.base) (<= 1 main_~length1~0)) (or (and (or (<= main_~length2~0 (select |#length| main_~nondetString2~0.base)) (<= (+ main_~nondetString2~0.offset main_~length2~0) 1)) (<= 1 main_~length2~0)) (not (= main_~nondetString1~0.base main_~nondetString2~0.base)))), 1390#(and (= main_~nondetString2~0.offset 0) (= 0 main_~nondetString1~0.offset) (or (= main_~nondetString1~0.base main_~nondetString2~0.base) (= 0 (select (select |#memory_int| main_~nondetString1~0.base) main_~nondetString1~0.offset)) (<= 2 (select |#length| main_~nondetString1~0.base))) (or (and (or (<= main_~length2~0 (select |#length| main_~nondetString2~0.base)) (<= (+ main_~nondetString2~0.offset main_~length2~0) 1)) (<= 1 main_~length2~0)) (not (= main_~nondetString1~0.base main_~nondetString2~0.base)))), 1391#(and (= main_~nondetString2~0.offset 0) (= 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)))), 1392#(and (= 0 |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#in~s1.offset|) (or (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#in~s2.base|) |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#in~s2.offset|)) (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#in~s1.base|) |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#in~s1.offset|)) (<= 2 (select |#length| |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#in~s1.base|)))), 1393#(and (or (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.base) __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.offset)) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~s2.base) __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~s2.offset)) (<= 2 (select |#length| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.base))) (= 0 __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.offset)), 1394#(and (= |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post2.base| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.base) (<= (+ |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post2.offset| 1) __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.offset) (= |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post2.offset| 0) (or (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post2.base|) |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post2.offset|)) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~s2.base) __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~s2.offset)) (<= (+ __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.offset 1) (+ |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post2.offset| (select |#length| |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post2.base|))))), 1395#(and (<= 1 __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.offset) (or (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~s2.base) __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~s2.offset)) (<= (+ __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.base)) (= 0 |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~mem3|))), 1396#(and (or (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.base) __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.offset)) (<= (+ __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.base)) (= 0 __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~c~0)) (<= 1 __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.offset)), 1397#(and (or (<= (+ __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.base)) (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post4.base|) |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post4.offset|)) (= 0 __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~c~0)) (<= 1 __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.offset)), 1398#(and (or (<= (+ __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.base)) (= 0 |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~mem5|) (= 0 __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~c~0)) (<= 1 __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.offset)), 1399#(and (<= 1 __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.offset) (or (<= (+ __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.base)) (= 0 __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~c~0) (= __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~sc~0 0))), 1400#(and (<= 1 __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.offset) (or (not (= __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~sc~0 __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~c~0)) (<= (+ __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.base)))), 1401#(and (<= (+ __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.base)) (<= 1 __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.offset)), 1402#(and (<= 1 |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post2.offset|) (<= (+ |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post2.offset| 1) (select |#length| |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post2.base|)))] [2018-04-11 12:56:45,721 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:56:45,721 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-11 12:56:45,721 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-11 12:56:45,721 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=367, Unknown=0, NotChecked=0, Total=420 [2018-04-11 12:56:45,721 INFO L87 Difference]: Start difference. First operand 90 states and 99 transitions. Second operand 21 states. [2018-04-11 12:56:46,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 12:56:46,323 INFO L93 Difference]: Finished difference Result 110 states and 123 transitions. [2018-04-11 12:56:46,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-04-11 12:56:46,323 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 26 [2018-04-11 12:56:46,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 12:56:46,324 INFO L225 Difference]: With dead ends: 110 [2018-04-11 12:56:46,324 INFO L226 Difference]: Without dead ends: 110 [2018-04-11 12:56:46,325 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 254 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=197, Invalid=1285, Unknown=0, NotChecked=0, Total=1482 [2018-04-11 12:56:46,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-04-11 12:56:46,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 105. [2018-04-11 12:56:46,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-04-11 12:56:46,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 119 transitions. [2018-04-11 12:56:46,329 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 119 transitions. Word has length 26 [2018-04-11 12:56:46,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 12:56:46,329 INFO L459 AbstractCegarLoop]: Abstraction has 105 states and 119 transitions. [2018-04-11 12:56:46,329 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-11 12:56:46,329 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 119 transitions. [2018-04-11 12:56:46,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-04-11 12:56:46,330 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 12:56:46,330 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] [2018-04-11 12:56:46,330 INFO L408 AbstractCegarLoop]: === Iteration 13 === [__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr1RequiresViolation, __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr3RequiresViolation, __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr2RequiresViolation, __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 12:56:46,330 INFO L82 PathProgramCache]: Analyzing trace with hash 575850024, now seen corresponding path program 2 times [2018-04-11 12:56:46,331 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 12:56:46,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 12:56:46,340 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 12:56:46,526 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:56:46,526 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 12:56:46,526 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-04-11 12:56:46,526 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 12:56:46,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:56:46,527 INFO L182 omatonBuilderFactory]: Interpolants [1664#(or (and (= 1 |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post4.offset|) (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post4.base|) |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post4.offset|))) (and (<= 2 __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.offset) (or (<= (select |#length| |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post4.base|) |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post4.offset|) (<= (+ __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.base))))), 1665#(or (and (<= 2 __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.offset) (<= (+ __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.base))) (= 0 |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~mem5|)), 1666#(or (and (<= 2 __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.offset) (<= (+ __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.base))) (= __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~sc~0 0)), 1667#(and (<= 2 __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.offset) (<= (+ __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.base))), 1668#(and (<= 2 |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post4.offset|) (<= (+ |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post4.offset| 1) (select |#length| |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post4.base|))), 1654#true, 1655#false, 1656#(and (= 0 |main_#t~malloc9.offset|) (= main_~length2~0 (select |#length| |main_#t~malloc9.base|))), 1657#(and (= 0 main_~nondetString2~0.offset) (= main_~length2~0 (select |#length| main_~nondetString2~0.base))), 1658#(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))))), 1659#(and (= 0 |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#in~s2.offset|) (or (<= (select |#length| |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#in~s2.base|) 1) (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#in~s2.base|) 1)) (<= 3 (select |#length| |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#in~s2.base|)))), 1660#(and (or (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~s2.base) 1)) (<= (select |#length| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~s2.base) 1) (<= 3 (select |#length| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~s2.base))) (= 0 __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~s2.offset)), 1661#(and (= 0 __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.offset) (or (<= (select |#length| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.base) 1) (<= 3 (select |#length| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.base)) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.base) 1)))), 1662#(and (= |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post4.offset| 0) (or (and (<= (+ |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post4.offset| 1) __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.offset) (or (<= (+ |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post4.offset| (select |#length| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.base)) __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.offset) (<= (+ __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.offset 2) (+ |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post4.offset| (select |#length| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.base))))) (and (<= __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.offset (+ |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post4.offset| 1)) (<= (+ |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post4.offset| 1) __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.offset) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.base) 1))))), 1663#(or (and (or (<= (+ __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.offset 2) (select |#length| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.base)) (<= (select |#length| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.base) __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.offset)) (<= 1 __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.offset)) (and (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.base) 1)) (<= __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.offset 1) (<= 1 __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.offset)))] [2018-04-11 12:56:46,527 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:56:46,527 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-11 12:56:46,527 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-11 12:56:46,527 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2018-04-11 12:56:46,527 INFO L87 Difference]: Start difference. First operand 105 states and 119 transitions. Second operand 15 states. [2018-04-11 12:56:46,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 12:56:46,961 INFO L93 Difference]: Finished difference Result 144 states and 166 transitions. [2018-04-11 12:56:46,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-04-11 12:56:46,961 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 31 [2018-04-11 12:56:46,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 12:56:46,963 INFO L225 Difference]: With dead ends: 144 [2018-04-11 12:56:46,964 INFO L226 Difference]: Without dead ends: 144 [2018-04-11 12:56:46,964 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=129, Invalid=683, Unknown=0, NotChecked=0, Total=812 [2018-04-11 12:56:46,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2018-04-11 12:56:46,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 120. [2018-04-11 12:56:46,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-04-11 12:56:46,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 139 transitions. [2018-04-11 12:56:46,970 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 139 transitions. Word has length 31 [2018-04-11 12:56:46,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 12:56:46,970 INFO L459 AbstractCegarLoop]: Abstraction has 120 states and 139 transitions. [2018-04-11 12:56:46,970 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-11 12:56:46,970 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 139 transitions. [2018-04-11 12:56:46,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-04-11 12:56:46,971 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 12:56:46,971 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] [2018-04-11 12:56:46,971 INFO L408 AbstractCegarLoop]: === Iteration 14 === [__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr1RequiresViolation, __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr3RequiresViolation, __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr2RequiresViolation, __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 12:56:46,972 INFO L82 PathProgramCache]: Analyzing trace with hash 1948171744, now seen corresponding path program 1 times [2018-04-11 12:56:46,972 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 12:56:46,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 12:56:46,989 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 12:56:47,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:56:47,041 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 12:56:47,041 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 12:56:47,041 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 12:56:47,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:56:47,041 INFO L182 omatonBuilderFactory]: Interpolants [1961#true, 1962#false, 1963#(= |#valid| |old(#valid)|), 1964#(and (= (store |#valid| |main_#t~malloc8.base| 0) |old(#valid)|) (= (select |#valid| |main_#t~malloc8.base|) 1)), 1965#(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)|)), 1966#(= (store |#valid| |main_#t~malloc9.base| 0) |old(#valid)|)] [2018-04-11 12:56:47,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:56:47,042 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 12:56:47,042 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 12:56:47,042 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-11 12:56:47,042 INFO L87 Difference]: Start difference. First operand 120 states and 139 transitions. Second operand 6 states. [2018-04-11 12:56:47,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 12:56:47,125 INFO L93 Difference]: Finished difference Result 119 states and 138 transitions. [2018-04-11 12:56:47,125 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-11 12:56:47,125 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2018-04-11 12:56:47,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 12:56:47,126 INFO L225 Difference]: With dead ends: 119 [2018-04-11 12:56:47,126 INFO L226 Difference]: Without dead ends: 89 [2018-04-11 12:56:47,126 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 [2018-04-11 12:56:47,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2018-04-11 12:56:47,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2018-04-11 12:56:47,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-04-11 12:56:47,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 98 transitions. [2018-04-11 12:56:47,129 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 98 transitions. Word has length 32 [2018-04-11 12:56:47,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 12:56:47,130 INFO L459 AbstractCegarLoop]: Abstraction has 89 states and 98 transitions. [2018-04-11 12:56:47,130 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 12:56:47,130 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 98 transitions. [2018-04-11 12:56:47,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-04-11 12:56:47,131 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 12:56:47,131 INFO L355 BasicCegarLoop]: trace histogram [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] [2018-04-11 12:56:47,131 INFO L408 AbstractCegarLoop]: === Iteration 15 === [__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr1RequiresViolation, __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr3RequiresViolation, __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr2RequiresViolation, __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 12:56:47,131 INFO L82 PathProgramCache]: Analyzing trace with hash -2133407846, now seen corresponding path program 2 times [2018-04-11 12:56:47,132 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 12:56:47,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 12:56:47,143 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 12:56:47,521 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:56:47,521 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 12:56:47,521 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-04-11 12:56:47,521 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 12:56:47,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:56:47,522 INFO L182 omatonBuilderFactory]: Interpolants [2179#true, 2180#false, 2181#(and (= (select |#valid| |main_#t~malloc8.base|) 1) (= main_~length1~0 (select |#length| |main_#t~malloc8.base|)) (= 0 |main_#t~malloc8.offset|)), 2182#(and (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (= (select |#valid| main_~nondetString1~0.base) 1) (= main_~nondetString1~0.offset 0)), 2183#(and (not (= main_~nondetString1~0.base |main_#t~malloc9.base|)) (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (= main_~nondetString1~0.offset 0)), 2184#(and (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (not (= main_~nondetString1~0.base main_~nondetString2~0.base)) (= main_~nondetString1~0.offset 0)), 2185#(and (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)) (= main_~nondetString1~0.offset 0)), 2186#(and (= 0 |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#in~s1.offset|) (or (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#in~s1.base|) 1)) (<= (select |#length| |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#in~s1.base|) 1) (<= 3 (select |#length| |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#in~s1.base|)))), 2187#(and (= 0 __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.offset) (or (<= (select |#length| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.base) 1) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.base) 1)) (<= 3 (select |#length| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.base)))), 2188#(and (or (<= (+ |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post2.offset| (select |#length| |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post2.base|)) __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.offset) (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post2.base|) 1)) (<= (+ __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.offset 2) (+ |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post2.offset| (select |#length| |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post2.base|)))) (= |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post2.base| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.base) (<= (+ |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post2.offset| 1) __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.offset) (= |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post2.offset| 0) (<= __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.offset (+ |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post2.offset| 1))), 2189#(and (or (<= (select |#length| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.base) __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.offset) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.base) 1)) (<= (+ __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.offset 2) (select |#length| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.base))) (<= __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.offset 1) (<= 1 __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.offset)), 2190#(and (<= 2 __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.offset) (or (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post2.base|) |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post2.offset|)) (<= (+ __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.base)) (<= (select |#length| |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post2.base|) |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post2.offset|)) (= |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post2.offset| 1)), 2191#(and (<= 2 __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.offset) (or (<= (+ __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.base)) (= 0 |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~mem3|))), 2192#(and (<= 2 __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.offset) (or (<= (+ __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.base)) (= 0 __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~c~0))), 2193#(and (<= 2 __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.offset) (or (not (= __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~sc~0 __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~c~0)) (<= (+ __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.base)))), 2194#(and (<= 2 __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.offset) (<= (+ __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.base))), 2195#(and (<= 2 |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post2.offset|) (<= (+ |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post2.offset| 1) (select |#length| |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post2.base|)))] [2018-04-11 12:56:47,522 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:56:47,522 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-11 12:56:47,522 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-11 12:56:47,523 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2018-04-11 12:56:47,523 INFO L87 Difference]: Start difference. First operand 89 states and 98 transitions. Second operand 17 states. [2018-04-11 12:56:47,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 12:56:47,991 INFO L93 Difference]: Finished difference Result 112 states and 123 transitions. [2018-04-11 12:56:47,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-11 12:56:47,991 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 34 [2018-04-11 12:56:47,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 12:56:47,992 INFO L225 Difference]: With dead ends: 112 [2018-04-11 12:56:47,992 INFO L226 Difference]: Without dead ends: 112 [2018-04-11 12:56:47,992 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=110, Invalid=760, Unknown=0, NotChecked=0, Total=870 [2018-04-11 12:56:47,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2018-04-11 12:56:47,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 109. [2018-04-11 12:56:47,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-04-11 12:56:47,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 122 transitions. [2018-04-11 12:56:47,994 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 122 transitions. Word has length 34 [2018-04-11 12:56:47,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 12:56:47,995 INFO L459 AbstractCegarLoop]: Abstraction has 109 states and 122 transitions. [2018-04-11 12:56:47,995 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-11 12:56:47,995 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 122 transitions. [2018-04-11 12:56:47,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-04-11 12:56:47,995 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 12:56:47,995 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] [2018-04-11 12:56:47,995 INFO L408 AbstractCegarLoop]: === Iteration 16 === [__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr1RequiresViolation, __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr3RequiresViolation, __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr2RequiresViolation, __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 12:56:47,996 INFO L82 PathProgramCache]: Analyzing trace with hash -1541599117, now seen corresponding path program 3 times [2018-04-11 12:56:47,996 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 12:56:48,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 12:56:48,005 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 12:56:48,172 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-04-11 12:56:48,172 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 12:56:48,173 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-04-11 12:56:48,173 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 12:56:48,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:56:48,173 INFO L182 omatonBuilderFactory]: Interpolants [2443#true, 2444#false, 2445#(and (= 0 |main_#t~malloc9.offset|) (= main_~length2~0 (select |#length| |main_#t~malloc9.base|))), 2446#(and (= main_~nondetString2~0.offset 0) (= main_~length2~0 (select |#length| main_~nondetString2~0.base))), 2447#(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)))))), 2448#(= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#in~s2.base|) (+ (select |#length| |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#in~s2.base|) (- 1)))), 2449#(= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~s2.base) (+ (select |#length| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~s2.base) (- 1)))), 2450#(= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.base) (+ (select |#length| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.base) (- 1)))), 2451#(and (<= (+ |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post4.offset| 1) __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.offset) (or (<= (select |#length| |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post4.base|) |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post4.offset|) (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post4.base|) |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post4.offset|)) (<= (+ __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.base)))), 2452#(and (or (= 0 |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~mem5|) (<= (+ __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.base))) (<= 1 __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.offset)), 2453#(and (or (= __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~sc~0 0) (<= (+ __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.base))) (<= 1 __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.offset)), 2454#(and (<= (+ __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.base)) (<= 1 __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.offset)), 2455#(and (<= (+ |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post4.offset| 1) (select |#length| |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post4.base|)) (<= 1 |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post4.offset|))] [2018-04-11 12:56:48,173 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-04-11 12:56:48,173 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-11 12:56:48,174 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-11 12:56:48,174 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2018-04-11 12:56:48,174 INFO L87 Difference]: Start difference. First operand 109 states and 122 transitions. Second operand 13 states. [2018-04-11 12:56:48,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 12:56:48,574 INFO L93 Difference]: Finished difference Result 108 states and 118 transitions. [2018-04-11 12:56:48,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-11 12:56:48,575 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 36 [2018-04-11 12:56:48,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 12:56:48,575 INFO L225 Difference]: With dead ends: 108 [2018-04-11 12:56:48,575 INFO L226 Difference]: Without dead ends: 79 [2018-04-11 12:56:48,575 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=124, Invalid=428, Unknown=0, NotChecked=0, Total=552 [2018-04-11 12:56:48,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-04-11 12:56:48,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 43. [2018-04-11 12:56:48,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-04-11 12:56:48,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 46 transitions. [2018-04-11 12:56:48,577 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 46 transitions. Word has length 36 [2018-04-11 12:56:48,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 12:56:48,577 INFO L459 AbstractCegarLoop]: Abstraction has 43 states and 46 transitions. [2018-04-11 12:56:48,577 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-11 12:56:48,577 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 46 transitions. [2018-04-11 12:56:48,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-04-11 12:56:48,578 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 12:56:48,580 INFO L355 BasicCegarLoop]: trace histogram [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] [2018-04-11 12:56:48,581 INFO L408 AbstractCegarLoop]: === Iteration 17 === [__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr1RequiresViolation, __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr3RequiresViolation, __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr2RequiresViolation, __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 12:56:48,581 INFO L82 PathProgramCache]: Analyzing trace with hash -963306331, now seen corresponding path program 3 times [2018-04-11 12:56:48,581 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 12:56:48,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 12:56:48,594 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 12:56:48,906 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 24 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-11 12:56:48,906 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 12:56:48,906 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-04-11 12:56:48,906 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 12:56:48,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:56:48,907 INFO L182 omatonBuilderFactory]: Interpolants [2629#true, 2630#false, 2631#(and (= (select |#valid| |main_#t~malloc8.base|) 1) (= main_~length1~0 (select |#length| |main_#t~malloc8.base|)) (= 0 |main_#t~malloc8.offset|)), 2632#(and (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (= (select |#valid| main_~nondetString1~0.base) 1) (= main_~nondetString1~0.offset 0)), 2633#(and (not (= main_~nondetString1~0.base |main_#t~malloc9.base|)) (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (= main_~nondetString1~0.offset 0)), 2634#(and (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (not (= main_~nondetString1~0.base main_~nondetString2~0.base)) (= main_~nondetString1~0.offset 0)), 2635#(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)), 2636#(= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#in~s1.base|) (+ (select |#length| |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#in~s1.base|) (- 1)))), 2637#(= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.base) (+ (select |#length| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.base) (- 1)))), 2638#(and (= |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post2.base| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.base) (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post2.base|) (+ (select |#length| |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post2.base|) (- 1))))), 2639#(and (= __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~s2.base __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.base) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.base) (+ (select |#length| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.base) (- 1)))) (= __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~s2.offset __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.offset)), 2640#(and (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.base) (+ (select |#length| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.base) (- 1)))) (= |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post4.offset| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~s2.offset) (= |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post4.base| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~s2.base)), 2641#(and (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.base) (+ (select |#length| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.base) (- 1)))) (= (select (select |#memory_int| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~s2.base) __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~s2.offset) |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~mem5|)), 2642#(and (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.base) (+ (select |#length| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.base) (- 1)))) (= __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~sc~0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~s2.base) __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~s2.offset))), 2643#(not (= (select (select |#memory_int| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~s2.base) __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~s2.offset) (select (select |#memory_int| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.base) (+ (select |#length| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.base) (- 1))))), 2644#(or (and (<= (+ |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post2.offset| 1) __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.offset) (or (<= (+ __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.base)) (<= (select |#length| |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post2.base|) |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post2.offset|))) (not (= (select (select |#memory_int| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~s2.base) __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~s2.offset) (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post2.base|) |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post2.offset|)))), 2645#(or (not (= (select (select |#memory_int| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~s2.base) __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~s2.offset) |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~mem3|)) (and (<= (+ __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.base)) (<= 1 __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.offset))), 2646#(or (not (= (select (select |#memory_int| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.base) __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~spanp~0.offset) __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~c~0)) (and (<= (+ __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.base)) (<= 1 __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.offset))), 2647#(or (and (<= (+ __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.base)) (<= 1 __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.offset)) (not (= (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post4.base|) |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post4.offset|) __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~c~0))), 2648#(or (and (<= (+ __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.base)) (<= 1 __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.offset)) (not (= |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~mem5| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~c~0))), 2649#(or (not (= __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~sc~0 __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~c~0)) (and (<= (+ __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.base)) (<= 1 __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.offset))), 2650#(and (<= (+ __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.base)) (<= 1 __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.offset)), 2651#(and (<= 1 |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post2.offset|) (<= (+ |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post2.offset| 1) (select |#length| |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post2.base|)))] [2018-04-11 12:56:48,907 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 24 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-11 12:56:48,907 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-11 12:56:48,907 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-11 12:56:48,907 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=453, Unknown=0, NotChecked=0, Total=506 [2018-04-11 12:56:48,907 INFO L87 Difference]: Start difference. First operand 43 states and 46 transitions. Second operand 23 states. [2018-04-11 12:56:49,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 12:56:49,738 INFO L93 Difference]: Finished difference Result 81 states and 87 transitions. [2018-04-11 12:56:49,738 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-04-11 12:56:49,738 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 42 [2018-04-11 12:56:49,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 12:56:49,739 INFO L225 Difference]: With dead ends: 81 [2018-04-11 12:56:49,739 INFO L226 Difference]: Without dead ends: 81 [2018-04-11 12:56:49,739 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 379 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=344, Invalid=2106, Unknown=0, NotChecked=0, Total=2450 [2018-04-11 12:56:49,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-04-11 12:56:49,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 48. [2018-04-11 12:56:49,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-04-11 12:56:49,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 52 transitions. [2018-04-11 12:56:49,741 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 52 transitions. Word has length 42 [2018-04-11 12:56:49,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 12:56:49,741 INFO L459 AbstractCegarLoop]: Abstraction has 48 states and 52 transitions. [2018-04-11 12:56:49,741 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-11 12:56:49,741 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 52 transitions. [2018-04-11 12:56:49,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-04-11 12:56:49,741 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 12:56:49,741 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 12:56:49,741 INFO L408 AbstractCegarLoop]: === Iteration 18 === [__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr1RequiresViolation, __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr3RequiresViolation, __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr2RequiresViolation, __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspnErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 12:56:49,741 INFO L82 PathProgramCache]: Analyzing trace with hash 1942564946, now seen corresponding path program 1 times [2018-04-11 12:56:49,742 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 12:56:49,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 12:56:49,754 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 12:56:49,942 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-04-11 12:56:49,942 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 12:56:49,942 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-04-11 12:56:49,942 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 12:56:49,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:56:49,943 INFO L182 omatonBuilderFactory]: Interpolants [2848#(and (<= 1 __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.offset) (or (not (= __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~sc~0 __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~c~0)) (<= (+ __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.base)))), 2849#(and (<= (+ __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.base)) (<= 1 __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.offset)), 2850#(and (<= 1 |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post2.offset|) (<= (+ |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post2.offset| 1) (select |#length| |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post2.base|))), 2835#true, 2836#false, 2837#(and (= (select |#valid| |main_#t~malloc8.base|) 1) (= main_~length1~0 (select |#length| |main_#t~malloc8.base|)) (= 0 |main_#t~malloc8.offset|)), 2838#(and (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (= (select |#valid| main_~nondetString1~0.base) 1) (= main_~nondetString1~0.offset 0)), 2839#(and (not (= main_~nondetString1~0.base |main_#t~malloc9.base|)) (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (= main_~nondetString1~0.offset 0)), 2840#(and (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (not (= main_~nondetString1~0.base main_~nondetString2~0.base)) (= main_~nondetString1~0.offset 0)), 2841#(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)), 2842#(= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#in~s1.base|) (+ (select |#length| |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#in~s1.base|) (- 1)))), 2843#(= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.base) (+ (select |#length| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.base) (- 1)))), 2844#(and (= |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post2.base| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.base) (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post2.base|) (+ (select |#length| |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post2.base|) (- 1))))), 2845#(and (or (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post2.base|) |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post2.offset|)) (<= (+ __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.base)) (<= (select |#length| |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post2.base|) |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post2.offset|)) (<= (+ |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~post2.offset| 1) __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.offset)), 2846#(and (<= 1 __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.offset) (or (<= (+ __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.base)) (= 0 |__U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_#t~mem3|))), 2847#(and (or (<= (+ __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.base)) (= 0 __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~c~0)) (<= 1 __U_MULTI_fopenbsd_cstrspn_alloca_true_valid_memsafety_true_termination_i__cstrspn_~p~0.offset))] [2018-04-11 12:56:49,943 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-04-11 12:56:49,943 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-11 12:56:49,943 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-11 12:56:49,943 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2018-04-11 12:56:49,943 INFO L87 Difference]: Start difference. First operand 48 states and 52 transitions. Second operand 16 states. [2018-04-11 12:56:50,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 12:56:50,234 INFO L93 Difference]: Finished difference Result 53 states and 57 transitions. [2018-04-11 12:56:50,235 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-11 12:56:50,235 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 47 [2018-04-11 12:56:50,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 12:56:50,235 INFO L225 Difference]: With dead ends: 53 [2018-04-11 12:56:50,235 INFO L226 Difference]: Without dead ends: 0 [2018-04-11 12:56:50,235 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 [2018-04-11 12:56:50,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-11 12:56:50,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-11 12:56:50,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-11 12:56:50,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-11 12:56:50,236 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 47 [2018-04-11 12:56:50,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 12:56:50,236 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-11 12:56:50,236 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-11 12:56:50,236 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-11 12:56:50,236 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-11 12:56:50,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.04 12:56:50 BoogieIcfgContainer [2018-04-11 12:56:50,238 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-11 12:56:50,239 INFO L168 Benchmark]: Toolchain (without parser) took 7717.27 ms. Allocated memory was 403.2 MB in the beginning and 789.1 MB in the end (delta: 385.9 MB). Free memory was 334.8 MB in the beginning and 452.1 MB in the end (delta: -117.3 MB). Peak memory consumption was 268.6 MB. Max. memory is 5.3 GB. [2018-04-11 12:56:50,240 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 403.2 MB. Free memory is still 361.9 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 12:56:50,240 INFO L168 Benchmark]: CACSL2BoogieTranslator took 218.91 ms. Allocated memory is still 403.2 MB. Free memory was 334.8 MB in the beginning and 311.0 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 5.3 GB. [2018-04-11 12:56:50,240 INFO L168 Benchmark]: Boogie Preprocessor took 38.07 ms. Allocated memory is still 403.2 MB. Free memory was 311.0 MB in the beginning and 308.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-11 12:56:50,240 INFO L168 Benchmark]: RCFGBuilder took 371.52 ms. Allocated memory was 403.2 MB in the beginning and 615.0 MB in the end (delta: 211.8 MB). Free memory was 308.4 MB in the beginning and 550.9 MB in the end (delta: -242.5 MB). Peak memory consumption was 25.0 MB. Max. memory is 5.3 GB. [2018-04-11 12:56:50,240 INFO L168 Benchmark]: TraceAbstraction took 7086.06 ms. Allocated memory was 615.0 MB in the beginning and 789.1 MB in the end (delta: 174.1 MB). Free memory was 548.3 MB in the beginning and 452.1 MB in the end (delta: 96.2 MB). Peak memory consumption was 270.3 MB. Max. memory is 5.3 GB. [2018-04-11 12:56:50,241 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 403.2 MB. Free memory is still 361.9 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 218.91 ms. Allocated memory is still 403.2 MB. Free memory was 334.8 MB in the beginning and 311.0 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 38.07 ms. Allocated memory is still 403.2 MB. Free memory was 311.0 MB in the beginning and 308.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 371.52 ms. Allocated memory was 403.2 MB in the beginning and 615.0 MB in the end (delta: 211.8 MB). Free memory was 308.4 MB in the beginning and 550.9 MB in the end (delta: -242.5 MB). Peak memory consumption was 25.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 7086.06 ms. Allocated memory was 615.0 MB in the beginning and 789.1 MB in the end (delta: 174.1 MB). Free memory was 548.3 MB in the beginning and 452.1 MB in the end (delta: 96.2 MB). Peak memory consumption was 270.3 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 564]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 563]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 564]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 552]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 563]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 9 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 51 locations, 9 error locations. SAFE Result, 7.0s OverallTime, 18 OverallIterations, 4 TraceHistogramMax, 4.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 496 SDtfs, 900 SDslu, 2338 SDs, 0 SdLazy, 2771 SolverSat, 209 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 345 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 312 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1196 ImplicationChecksByTransitivity, 4.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=120occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 30/125 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, 18 MinimizatonAttempts, 149 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 458 NumberOfCodeBlocks, 458 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 440 ConstructedInterpolants, 0 QuantifiedInterpolants, 121083 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 11 PerfectInterpolantSequences, 30/125 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_cstrspn-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-11_12-56-50-245.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrspn-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-11_12-56-50-245.csv Received shutdown request...