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_Camel.epf -i ../../../trunk/examples/svcomp/array-memsafety/openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-11 10:04:06,458 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 10:04:06,459 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 10:04:06,472 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 10:04:06,472 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 10:04:06,473 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 10:04:06,474 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 10:04:06,475 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 10:04:06,477 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 10:04:06,477 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 10:04:06,478 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 10:04:06,478 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 10:04:06,479 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 10:04:06,480 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 10:04:06,481 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 10:04:06,482 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 10:04:06,484 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 10:04:06,485 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 10:04:06,486 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 10:04:06,487 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 10:04:06,489 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-04-11 10:04:06,493 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-11 10:04:06,493 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-11 10:04:06,493 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf [2018-04-11 10:04:06,514 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 10:04:06,514 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 10:04:06,515 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-11 10:04:06,515 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-11 10:04:06,515 INFO L133 SettingsManager]: * Use SBE=true [2018-04-11 10:04:06,515 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 10:04:06,516 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 10:04:06,516 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 10:04:06,516 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 10:04:06,516 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 10:04:06,516 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 10:04:06,516 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 10:04:06,516 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-11 10:04:06,516 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 10:04:06,516 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 10:04:06,516 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 10:04:06,517 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-11 10:04:06,517 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-11 10:04:06,517 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 10:04:06,517 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 10:04:06,517 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 10:04:06,517 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-11 10:04:06,517 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-11 10:04:06,517 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-11 10:04:06,543 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 10:04:06,551 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 10:04:06,553 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 10:04:06,554 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 10:04:06,554 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 10:04:06,555 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:06,885 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGdc83c1fc6 [2018-04-11 10:04:07,000 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 10:04:07,001 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 10:04:07,001 INFO L168 CDTParser]: Scanning openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,008 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 10:04:07,008 INFO L215 ultiparseSymbolTable]: [2018-04-11 10:04:07,008 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 10:04:07,009 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____bswap_64 ('__bswap_64') in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,009 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,009 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____bswap_32 ('__bswap_32') in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,009 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrk ('cstrpbrk') in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,009 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 10:04:07,009 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__uint in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,009 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,009 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__u_int8_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,009 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__nlink_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,010 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____fd_mask in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,010 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____u_int in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,010 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__loff_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,010 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____key_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,010 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____uint8_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,010 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_attr_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,010 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____uid_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,010 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____int64_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,010 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____sig_atomic_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,011 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____uint64_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,011 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__wchar_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,011 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____useconds_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,011 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____blkcnt_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,011 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____sigset_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,011 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_cond_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,011 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____fsword_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,011 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__u_int16_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,011 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__ssize_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,012 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____clockid_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,012 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__quad_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,012 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____ino_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,012 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_once_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,012 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__dev_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,012 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__id_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,012 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_spinlock_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,012 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__int32_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,012 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____ssize_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,013 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____socklen_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,013 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____quad_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,013 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____ino64_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,013 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__off_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,013 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____u_quad_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,013 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____nlink_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,013 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_barrier_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,013 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____off_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,013 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____blkcnt64_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,013 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,014 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__fd_mask in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,014 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__fsfilcnt_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,014 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____fsblkcnt64_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,014 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__u_int32_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,014 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__key_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,014 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__timer_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,014 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__clockid_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,014 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____off64_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,014 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____int32_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,015 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____pid_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,015 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_mutexattr_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,015 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____syscall_ulong_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,015 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__u_int in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,015 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__fsblkcnt_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,015 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____gid_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,015 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____timer_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,015 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__fd_set in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,015 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____id_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,016 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__lldiv_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,016 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__uid_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,016 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____u_char in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,016 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____suseconds_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,016 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__time_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,016 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_key_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,016 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_rwlock_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,016 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____caddr_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,016 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____dev_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,017 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____fsblkcnt_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,017 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__int16_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,017 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__mode_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,017 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____rlim_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,017 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__caddr_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,017 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____pthread_list_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,017 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_barrierattr_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,017 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__blkcnt_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,017 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__ulong in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,017 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__u_char in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,017 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__div_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,017 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____u_long in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,018 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____int16_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,018 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__size_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,018 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____intptr_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,018 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__blksize_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,018 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____mode_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,018 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__sigset_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,018 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____uint32_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,018 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__ino_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,018 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__clock_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,018 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__pid_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,018 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__gid_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,019 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____fsid_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,019 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__u_short in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,019 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__int8_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,019 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__u_int64_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,019 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__daddr_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,019 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__u_long in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,019 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____syscall_slong_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,019 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__ldiv_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,019 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__register_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,019 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_mutex_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,019 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____fsfilcnt64_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,019 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__int64_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,020 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____u_short in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,020 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__suseconds_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,020 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____fsfilcnt_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,020 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__u_quad_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,020 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__ushort in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,020 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__fsid_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,020 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____int8_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,020 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____time_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,020 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____loff_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,020 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____daddr_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,020 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____clock_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,020 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____qaddr_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,021 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____WAIT_STATUS in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,021 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____rlim64_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,021 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_condattr_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,021 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____uint16_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,021 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____blksize_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,033 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGdc83c1fc6 [2018-04-11 10:04:07,036 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 10:04:07,037 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 10:04:07,038 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 10:04:07,038 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 10:04:07,042 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 10:04:07,042 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 10:04:07" (1/1) ... [2018-04-11 10:04:07,044 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@419eaa92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:04:07, skipping insertion in model container [2018-04-11 10:04:07,044 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 10:04:07" (1/1) ... [2018-04-11 10:04:07,056 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 10:04:07,078 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 10:04:07,222 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 10:04:07,258 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 10:04:07,264 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-11 10:04:07,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:04:07 WrapperNode [2018-04-11 10:04:07,296 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 10:04:07,296 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 10:04:07,296 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 10:04:07,296 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 10:04:07,307 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:04:07" (1/1) ... [2018-04-11 10:04:07,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:04:07" (1/1) ... [2018-04-11 10:04:07,318 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:04:07" (1/1) ... [2018-04-11 10:04:07,318 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:04:07" (1/1) ... [2018-04-11 10:04:07,324 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:04:07" (1/1) ... [2018-04-11 10:04:07,328 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:04:07" (1/1) ... [2018-04-11 10:04:07,330 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:04:07" (1/1) ... [2018-04-11 10:04:07,333 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 10:04:07,333 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 10:04:07,334 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 10:04:07,334 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 10:04:07,334 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:04:07" (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 10:04:07,443 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 10:04:07,443 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 10:04:07,443 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-11 10:04:07,443 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-11 10:04:07,443 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrk [2018-04-11 10:04:07,443 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 10:04:07,443 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-11 10:04:07,443 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-11 10:04:07,443 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 10:04:07,443 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 10:04:07,443 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 10:04:07,444 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 10:04:07,444 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 10:04:07,444 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 10:04:07,444 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 10:04:07,444 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 10:04:07,444 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 10:04:07,444 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 10:04:07,444 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 10:04:07,444 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 10:04:07,445 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 10:04:07,445 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 10:04:07,445 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 10:04:07,445 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 10:04:07,445 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 10:04:07,445 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 10:04:07,445 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 10:04:07,445 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 10:04:07,445 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 10:04:07,446 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 10:04:07,446 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 10:04:07,446 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 10:04:07,446 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 10:04:07,446 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 10:04:07,446 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 10:04:07,446 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 10:04:07,446 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 10:04:07,446 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 10:04:07,447 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 10:04:07,447 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 10:04:07,447 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 10:04:07,447 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 10:04:07,447 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 10:04:07,447 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 10:04:07,447 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 10:04:07,447 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 10:04:07,447 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 10:04:07,448 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 10:04:07,448 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 10:04:07,448 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 10:04:07,448 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 10:04:07,448 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 10:04:07,448 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 10:04:07,448 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 10:04:07,448 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 10:04:07,448 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 10:04:07,448 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 10:04:07,449 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 10:04:07,449 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 10:04:07,449 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 10:04:07,449 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 10:04:07,449 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 10:04:07,449 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 10:04:07,449 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 10:04:07,449 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 10:04:07,449 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 10:04:07,449 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 10:04:07,449 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 10:04:07,450 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 10:04:07,450 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-11 10:04:07,450 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 10:04:07,450 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 10:04:07,450 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 10:04:07,450 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 10:04:07,450 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 10:04:07,450 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 10:04:07,450 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 10:04:07,450 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 10:04:07,451 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 10:04:07,451 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 10:04:07,451 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 10:04:07,451 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 10:04:07,451 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 10:04:07,451 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 10:04:07,451 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 10:04:07,451 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 10:04:07,451 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 10:04:07,451 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 10:04:07,451 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 10:04:07,452 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 10:04:07,452 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 10:04:07,452 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 10:04:07,452 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 10:04:07,452 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 10:04:07,452 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 10:04:07,452 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 10:04:07,452 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 10:04:07,452 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 10:04:07,452 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 10:04:07,453 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 10:04:07,453 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 10:04:07,453 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 10:04:07,453 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 10:04:07,453 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 10:04:07,453 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 10:04:07,453 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 10:04:07,453 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 10:04:07,453 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 10:04:07,453 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-11 10:04:07,453 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrk [2018-04-11 10:04:07,454 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-11 10:04:07,454 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 10:04:07,454 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 10:04:07,454 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-11 10:04:07,454 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 10:04:07,454 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 10:04:07,454 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 10:04:07,454 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-11 10:04:07,706 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 10:04:07,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 10:04:07 BoogieIcfgContainer [2018-04-11 10:04:07,706 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 10:04:07,707 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 10:04:07,707 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 10:04:07,709 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 10:04:07,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 10:04:07" (1/3) ... [2018-04-11 10:04:07,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fa0f910 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 10:04:07, skipping insertion in model container [2018-04-11 10:04:07,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:04:07" (2/3) ... [2018-04-11 10:04:07,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fa0f910 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 10:04:07, skipping insertion in model container [2018-04-11 10:04:07,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 10:04:07" (3/3) ... [2018-04-11 10:04:07,711 INFO L107 eAbstractionObserver]: Analyzing ICFG openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 10:04:07,717 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-11 10:04:07,723 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2018-04-11 10:04:07,747 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 10:04:07,747 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 10:04:07,747 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-11 10:04:07,747 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-11 10:04:07,747 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-11 10:04:07,747 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 10:04:07,748 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 10:04:07,748 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 10:04:07,748 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 10:04:07,748 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 10:04:07,756 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states. [2018-04-11 10:04:07,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-11 10:04:07,763 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 10:04:07,764 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 10:04:07,764 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr0RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr3RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr1RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 10:04:07,766 INFO L82 PathProgramCache]: Analyzing trace with hash 121930495, now seen corresponding path program 1 times [2018-04-11 10:04:07,767 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 10:04:07,768 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 10:04:07,796 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:04:07,796 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 10:04:07,796 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:04:07,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 10:04:07,836 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 10:04:07,897 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 10:04:07,898 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 10:04:07,899 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 10:04:07,900 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 10:04:07,909 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 10:04:07,909 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 10:04:07,911 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 4 states. [2018-04-11 10:04:07,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 10:04:07,967 INFO L93 Difference]: Finished difference Result 46 states and 50 transitions. [2018-04-11 10:04:07,968 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 10:04:07,969 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-04-11 10:04:07,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 10:04:07,975 INFO L225 Difference]: With dead ends: 46 [2018-04-11 10:04:07,976 INFO L226 Difference]: Without dead ends: 43 [2018-04-11 10:04:07,976 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 10:04:07,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-04-11 10:04:07,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-04-11 10:04:07,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-04-11 10:04:07,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 47 transitions. [2018-04-11 10:04:07,997 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 47 transitions. Word has length 13 [2018-04-11 10:04:07,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 10:04:07,997 INFO L459 AbstractCegarLoop]: Abstraction has 43 states and 47 transitions. [2018-04-11 10:04:07,997 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 10:04:07,998 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2018-04-11 10:04:07,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-11 10:04:07,998 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 10:04:07,998 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 10:04:07,998 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr0RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr3RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr1RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 10:04:07,998 INFO L82 PathProgramCache]: Analyzing trace with hash 121930496, now seen corresponding path program 1 times [2018-04-11 10:04:07,999 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 10:04:07,999 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 10:04:07,999 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:04:07,999 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 10:04:07,999 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:04:08,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 10:04:08,012 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 10:04:08,090 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 10:04:08,091 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 10:04:08,091 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 10:04:08,092 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 10:04:08,092 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 10:04:08,092 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-04-11 10:04:08,092 INFO L87 Difference]: Start difference. First operand 43 states and 47 transitions. Second operand 6 states. [2018-04-11 10:04:08,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 10:04:08,131 INFO L93 Difference]: Finished difference Result 42 states and 46 transitions. [2018-04-11 10:04:08,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 10:04:08,132 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2018-04-11 10:04:08,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 10:04:08,133 INFO L225 Difference]: With dead ends: 42 [2018-04-11 10:04:08,133 INFO L226 Difference]: Without dead ends: 42 [2018-04-11 10:04:08,133 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 10:04:08,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-04-11 10:04:08,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-04-11 10:04:08,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-04-11 10:04:08,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2018-04-11 10:04:08,138 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 13 [2018-04-11 10:04:08,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 10:04:08,138 INFO L459 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2018-04-11 10:04:08,138 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 10:04:08,138 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2018-04-11 10:04:08,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-11 10:04:08,139 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 10:04:08,139 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 10:04:08,139 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr0RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr3RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr1RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 10:04:08,139 INFO L82 PathProgramCache]: Analyzing trace with hash -515121957, now seen corresponding path program 1 times [2018-04-11 10:04:08,139 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 10:04:08,139 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 10:04:08,140 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:04:08,140 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 10:04:08,140 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:04:08,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 10:04:08,151 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 10:04:08,183 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 10:04:08,184 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 10:04:08,184 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 10:04:08,184 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 10:04:08,184 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 10:04:08,184 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 10:04:08,184 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand 4 states. [2018-04-11 10:04:08,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 10:04:08,212 INFO L93 Difference]: Finished difference Result 41 states and 45 transitions. [2018-04-11 10:04:08,212 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 10:04:08,212 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-04-11 10:04:08,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 10:04:08,213 INFO L225 Difference]: With dead ends: 41 [2018-04-11 10:04:08,213 INFO L226 Difference]: Without dead ends: 41 [2018-04-11 10:04:08,213 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 10:04:08,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-04-11 10:04:08,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-04-11 10:04:08,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-04-11 10:04:08,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2018-04-11 10:04:08,216 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 45 transitions. Word has length 14 [2018-04-11 10:04:08,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 10:04:08,216 INFO L459 AbstractCegarLoop]: Abstraction has 41 states and 45 transitions. [2018-04-11 10:04:08,216 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 10:04:08,217 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2018-04-11 10:04:08,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-11 10:04:08,217 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 10:04:08,217 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 10:04:08,217 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr0RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr3RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr1RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 10:04:08,217 INFO L82 PathProgramCache]: Analyzing trace with hash -515121956, now seen corresponding path program 1 times [2018-04-11 10:04:08,217 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 10:04:08,218 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 10:04:08,218 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:04:08,218 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 10:04:08,218 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:04:08,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 10:04:08,229 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 10:04:08,264 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 10:04:08,265 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 10:04:08,265 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 10:04:08,265 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 10:04:08,265 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 10:04:08,266 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 10:04:08,266 INFO L87 Difference]: Start difference. First operand 41 states and 45 transitions. Second operand 5 states. [2018-04-11 10:04:08,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 10:04:08,296 INFO L93 Difference]: Finished difference Result 40 states and 44 transitions. [2018-04-11 10:04:08,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 10:04:08,298 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-04-11 10:04:08,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 10:04:08,299 INFO L225 Difference]: With dead ends: 40 [2018-04-11 10:04:08,299 INFO L226 Difference]: Without dead ends: 40 [2018-04-11 10:04:08,299 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 10:04:08,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-04-11 10:04:08,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2018-04-11 10:04:08,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-04-11 10:04:08,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 44 transitions. [2018-04-11 10:04:08,302 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 44 transitions. Word has length 14 [2018-04-11 10:04:08,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 10:04:08,303 INFO L459 AbstractCegarLoop]: Abstraction has 40 states and 44 transitions. [2018-04-11 10:04:08,303 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 10:04:08,303 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2018-04-11 10:04:08,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-11 10:04:08,303 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 10:04:08,304 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 10:04:08,304 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr0RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr3RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr1RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 10:04:08,304 INFO L82 PathProgramCache]: Analyzing trace with hash 408036158, now seen corresponding path program 1 times [2018-04-11 10:04:08,304 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 10:04:08,304 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 10:04:08,305 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:04:08,305 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 10:04:08,305 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:04:08,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 10:04:08,319 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 10:04:08,366 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 10:04:08,366 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 10:04:08,366 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 10:04:08,366 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 10:04:08,367 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 10:04:08,367 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-11 10:04:08,367 INFO L87 Difference]: Start difference. First operand 40 states and 44 transitions. Second operand 6 states. [2018-04-11 10:04:08,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 10:04:08,440 INFO L93 Difference]: Finished difference Result 39 states and 43 transitions. [2018-04-11 10:04:08,440 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 10:04:08,440 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2018-04-11 10:04:08,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 10:04:08,441 INFO L225 Difference]: With dead ends: 39 [2018-04-11 10:04:08,441 INFO L226 Difference]: Without dead ends: 39 [2018-04-11 10:04:08,441 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 10:04:08,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-04-11 10:04:08,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2018-04-11 10:04:08,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-04-11 10:04:08,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 43 transitions. [2018-04-11 10:04:08,444 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 43 transitions. Word has length 19 [2018-04-11 10:04:08,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 10:04:08,444 INFO L459 AbstractCegarLoop]: Abstraction has 39 states and 43 transitions. [2018-04-11 10:04:08,444 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 10:04:08,444 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2018-04-11 10:04:08,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-11 10:04:08,445 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 10:04:08,445 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 10:04:08,445 INFO L408 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr0RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr3RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr1RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 10:04:08,445 INFO L82 PathProgramCache]: Analyzing trace with hash 408036159, now seen corresponding path program 1 times [2018-04-11 10:04:08,445 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 10:04:08,445 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 10:04:08,446 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:04:08,446 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 10:04:08,446 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:04:08,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 10:04:08,456 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 10:04:08,524 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 10:04:08,524 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 10:04:08,524 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-11 10:04:08,525 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-11 10:04:08,525 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-11 10:04:08,525 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-04-11 10:04:08,525 INFO L87 Difference]: Start difference. First operand 39 states and 43 transitions. Second operand 9 states. [2018-04-11 10:04:08,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 10:04:08,618 INFO L93 Difference]: Finished difference Result 44 states and 49 transitions. [2018-04-11 10:04:08,618 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-11 10:04:08,618 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2018-04-11 10:04:08,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 10:04:08,619 INFO L225 Difference]: With dead ends: 44 [2018-04-11 10:04:08,619 INFO L226 Difference]: Without dead ends: 44 [2018-04-11 10:04:08,620 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 10:04:08,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-04-11 10:04:08,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 42. [2018-04-11 10:04:08,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-04-11 10:04:08,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2018-04-11 10:04:08,622 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 19 [2018-04-11 10:04:08,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 10:04:08,622 INFO L459 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2018-04-11 10:04:08,622 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-11 10:04:08,622 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2018-04-11 10:04:08,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-11 10:04:08,623 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 10:04:08,623 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 10:04:08,623 INFO L408 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr0RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr3RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr1RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 10:04:08,623 INFO L82 PathProgramCache]: Analyzing trace with hash -1879477276, now seen corresponding path program 1 times [2018-04-11 10:04:08,623 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 10:04:08,623 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 10:04:08,624 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:04:08,624 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 10:04:08,624 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:04:08,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 10:04:08,630 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 10:04:08,663 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 10:04:08,663 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 10:04:08,663 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-11 10:04:08,663 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-11 10:04:08,664 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-11 10:04:08,664 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-04-11 10:04:08,664 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand 7 states. [2018-04-11 10:04:08,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 10:04:08,744 INFO L93 Difference]: Finished difference Result 46 states and 51 transitions. [2018-04-11 10:04:08,744 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-11 10:04:08,744 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2018-04-11 10:04:08,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 10:04:08,746 INFO L225 Difference]: With dead ends: 46 [2018-04-11 10:04:08,746 INFO L226 Difference]: Without dead ends: 46 [2018-04-11 10:04:08,747 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 10:04:08,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-04-11 10:04:08,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 41. [2018-04-11 10:04:08,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-04-11 10:04:08,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2018-04-11 10:04:08,749 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 45 transitions. Word has length 23 [2018-04-11 10:04:08,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 10:04:08,749 INFO L459 AbstractCegarLoop]: Abstraction has 41 states and 45 transitions. [2018-04-11 10:04:08,749 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-11 10:04:08,749 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2018-04-11 10:04:08,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-11 10:04:08,749 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 10:04:08,749 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 10:04:08,749 INFO L408 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr0RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr3RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr1RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 10:04:08,749 INFO L82 PathProgramCache]: Analyzing trace with hash -1879477275, now seen corresponding path program 1 times [2018-04-11 10:04:08,749 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 10:04:08,750 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 10:04:08,750 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:04:08,750 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 10:04:08,750 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:04:08,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 10:04:08,759 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 10:04:08,837 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 10:04:08,838 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 10:04:08,838 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-04-11 10:04:08,838 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-11 10:04:08,838 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-11 10:04:08,838 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-04-11 10:04:08,838 INFO L87 Difference]: Start difference. First operand 41 states and 45 transitions. Second operand 10 states. [2018-04-11 10:04:08,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 10:04:08,936 INFO L93 Difference]: Finished difference Result 45 states and 50 transitions. [2018-04-11 10:04:08,936 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-11 10:04:08,936 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 23 [2018-04-11 10:04:08,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 10:04:08,937 INFO L225 Difference]: With dead ends: 45 [2018-04-11 10:04:08,937 INFO L226 Difference]: Without dead ends: 45 [2018-04-11 10:04:08,937 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 10:04:08,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-04-11 10:04:08,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 43. [2018-04-11 10:04:08,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-04-11 10:04:08,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 47 transitions. [2018-04-11 10:04:08,939 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 47 transitions. Word has length 23 [2018-04-11 10:04:08,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 10:04:08,939 INFO L459 AbstractCegarLoop]: Abstraction has 43 states and 47 transitions. [2018-04-11 10:04:08,939 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-11 10:04:08,939 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2018-04-11 10:04:08,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-11 10:04:08,940 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 10:04:08,940 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 10:04:08,940 INFO L408 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr0RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr3RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr1RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 10:04:08,940 INFO L82 PathProgramCache]: Analyzing trace with hash 1201678180, now seen corresponding path program 1 times [2018-04-11 10:04:08,940 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 10:04:08,940 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 10:04:08,941 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:04:08,941 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 10:04:08,941 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:04:08,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 10:04:08,953 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 10:04:09,136 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 10:04:09,137 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 10:04:09,137 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-04-11 10:04:09,137 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-11 10:04:09,137 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-11 10:04:09,138 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-04-11 10:04:09,138 INFO L87 Difference]: Start difference. First operand 43 states and 47 transitions. Second operand 13 states. [2018-04-11 10:04:09,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 10:04:09,336 INFO L93 Difference]: Finished difference Result 69 states and 73 transitions. [2018-04-11 10:04:09,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-11 10:04:09,336 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 28 [2018-04-11 10:04:09,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 10:04:09,337 INFO L225 Difference]: With dead ends: 69 [2018-04-11 10:04:09,337 INFO L226 Difference]: Without dead ends: 69 [2018-04-11 10:04:09,337 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=100, Invalid=452, Unknown=0, NotChecked=0, Total=552 [2018-04-11 10:04:09,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-04-11 10:04:09,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 60. [2018-04-11 10:04:09,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-04-11 10:04:09,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 65 transitions. [2018-04-11 10:04:09,340 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 65 transitions. Word has length 28 [2018-04-11 10:04:09,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 10:04:09,341 INFO L459 AbstractCegarLoop]: Abstraction has 60 states and 65 transitions. [2018-04-11 10:04:09,341 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-11 10:04:09,341 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 65 transitions. [2018-04-11 10:04:09,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-11 10:04:09,341 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 10:04:09,342 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 10:04:09,342 INFO L408 AbstractCegarLoop]: === Iteration 10 === [__U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr0RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr3RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr1RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 10:04:09,342 INFO L82 PathProgramCache]: Analyzing trace with hash 1420532898, now seen corresponding path program 1 times [2018-04-11 10:04:09,342 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 10:04:09,342 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 10:04:09,343 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:04:09,343 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 10:04:09,343 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:04:09,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 10:04:09,357 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 10:04:09,559 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 10:04:09,559 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 10:04:09,559 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-11 10:04:09,565 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 10:04:09,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 10:04:09,602 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 10:04:09,627 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 10:04:09,628 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 10:04:09,631 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 10:04:09,632 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-11 10:04:09,666 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 10:04:09,667 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 10:04:09,668 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-11 10:04:09,668 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 10:04:09,670 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 10:04:09,670 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:8 [2018-04-11 10:04:09,711 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-04-11 10:04:09,712 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-04-11 10:04:09,713 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 10:04:09,715 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 10:04:09,720 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 10:04:09,720 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:25 [2018-04-11 10:04:09,762 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 26 [2018-04-11 10:04:09,764 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-04-11 10:04:09,764 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 10:04:09,768 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 10:04:09,775 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-04-11 10:04:09,775 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:39, output treesize:35 [2018-04-11 10:04:09,938 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 28 [2018-04-11 10:04:09,940 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-04-11 10:04:09,940 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 10:04:09,948 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 13 [2018-04-11 10:04:09,948 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-11 10:04:09,951 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 10:04:09,959 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-11 10:04:09,959 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:52, output treesize:29 [2018-04-11 10:04:10,017 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 10:04:10,036 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 10:04:10,036 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 25 [2018-04-11 10:04:10,036 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-04-11 10:04:10,036 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-04-11 10:04:10,037 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=583, Unknown=0, NotChecked=0, Total=650 [2018-04-11 10:04:10,037 INFO L87 Difference]: Start difference. First operand 60 states and 65 transitions. Second operand 26 states. [2018-04-11 10:04:11,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 10:04:11,190 INFO L93 Difference]: Finished difference Result 82 states and 91 transitions. [2018-04-11 10:04:11,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-04-11 10:04:11,190 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 28 [2018-04-11 10:04:11,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 10:04:11,191 INFO L225 Difference]: With dead ends: 82 [2018-04-11 10:04:11,191 INFO L226 Difference]: Without dead ends: 82 [2018-04-11 10:04:11,192 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 345 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=227, Invalid=1494, Unknown=1, NotChecked=0, Total=1722 [2018-04-11 10:04:11,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-04-11 10:04:11,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 72. [2018-04-11 10:04:11,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-04-11 10:04:11,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 81 transitions. [2018-04-11 10:04:11,196 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 81 transitions. Word has length 28 [2018-04-11 10:04:11,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 10:04:11,196 INFO L459 AbstractCegarLoop]: Abstraction has 72 states and 81 transitions. [2018-04-11 10:04:11,196 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-04-11 10:04:11,196 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 81 transitions. [2018-04-11 10:04:11,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-11 10:04:11,196 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 10:04:11,197 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 10:04:11,197 INFO L408 AbstractCegarLoop]: === Iteration 11 === [__U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr0RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr3RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr1RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 10:04:11,197 INFO L82 PathProgramCache]: Analyzing trace with hash 1420619804, now seen corresponding path program 1 times [2018-04-11 10:04:11,197 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 10:04:11,197 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 10:04:11,198 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:04:11,198 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 10:04:11,198 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:04:11,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 10:04:11,210 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 10:04:11,311 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 10:04:11,311 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 10:04:11,311 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-04-11 10:04:11,312 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-11 10:04:11,312 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-11 10:04:11,312 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2018-04-11 10:04:11,312 INFO L87 Difference]: Start difference. First operand 72 states and 81 transitions. Second operand 12 states. [2018-04-11 10:04:11,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 10:04:11,516 INFO L93 Difference]: Finished difference Result 135 states and 145 transitions. [2018-04-11 10:04:11,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-11 10:04:11,516 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 28 [2018-04-11 10:04:11,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 10:04:11,517 INFO L225 Difference]: With dead ends: 135 [2018-04-11 10:04:11,517 INFO L226 Difference]: Without dead ends: 135 [2018-04-11 10:04:11,517 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=405, Unknown=0, NotChecked=0, Total=506 [2018-04-11 10:04:11,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-04-11 10:04:11,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 104. [2018-04-11 10:04:11,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-04-11 10:04:11,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 116 transitions. [2018-04-11 10:04:11,525 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 116 transitions. Word has length 28 [2018-04-11 10:04:11,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 10:04:11,525 INFO L459 AbstractCegarLoop]: Abstraction has 104 states and 116 transitions. [2018-04-11 10:04:11,525 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-11 10:04:11,525 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 116 transitions. [2018-04-11 10:04:11,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-11 10:04:11,526 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 10:04:11,526 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 10:04:11,526 INFO L408 AbstractCegarLoop]: === Iteration 12 === [__U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr0RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr3RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr1RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 10:04:11,526 INFO L82 PathProgramCache]: Analyzing trace with hash 1843321630, now seen corresponding path program 1 times [2018-04-11 10:04:11,526 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 10:04:11,526 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 10:04:11,527 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:04:11,527 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 10:04:11,527 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:04:11,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 10:04:11,542 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 10:04:11,722 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 10:04:11,722 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 10:04:11,722 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-11 10:04:11,728 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 10:04:11,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 10:04:11,751 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 10:04:11,772 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-04-11 10:04:11,774 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-04-11 10:04:11,774 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 10:04:11,775 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 10:04:11,778 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 10:04:11,778 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:21 [2018-04-11 10:04:11,880 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-04-11 10:04:11,885 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 13 [2018-04-11 10:04:11,885 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-11 10:04:11,888 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 10:04:11,894 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-11 10:04:11,894 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:38, output treesize:29 [2018-04-11 10:04:11,946 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 10:04:11,964 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 10:04:11,964 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 20 [2018-04-11 10:04:11,964 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-11 10:04:11,964 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-11 10:04:11,964 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=373, Unknown=0, NotChecked=0, Total=420 [2018-04-11 10:04:11,964 INFO L87 Difference]: Start difference. First operand 104 states and 116 transitions. Second operand 21 states. [2018-04-11 10:04:12,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 10:04:12,875 INFO L93 Difference]: Finished difference Result 135 states and 154 transitions. [2018-04-11 10:04:12,876 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-11 10:04:12,876 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 28 [2018-04-11 10:04:12,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 10:04:12,877 INFO L225 Difference]: With dead ends: 135 [2018-04-11 10:04:12,877 INFO L226 Difference]: Without dead ends: 135 [2018-04-11 10:04:12,877 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=161, Invalid=895, Unknown=0, NotChecked=0, Total=1056 [2018-04-11 10:04:12,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-04-11 10:04:12,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 114. [2018-04-11 10:04:12,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-04-11 10:04:12,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 130 transitions. [2018-04-11 10:04:12,883 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 130 transitions. Word has length 28 [2018-04-11 10:04:12,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 10:04:12,883 INFO L459 AbstractCegarLoop]: Abstraction has 114 states and 130 transitions. [2018-04-11 10:04:12,883 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-11 10:04:12,883 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 130 transitions. [2018-04-11 10:04:12,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-11 10:04:12,884 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 10:04:12,884 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 10:04:12,884 INFO L408 AbstractCegarLoop]: === Iteration 13 === [__U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr0RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr3RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr1RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 10:04:12,884 INFO L82 PathProgramCache]: Analyzing trace with hash -1739552138, now seen corresponding path program 1 times [2018-04-11 10:04:12,885 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 10:04:12,885 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 10:04:12,885 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:04:12,885 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 10:04:12,885 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:04:12,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 10:04:12,893 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 10:04:12,957 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 10:04:12,957 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 10:04:12,958 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 10:04:12,958 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 10:04:12,958 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 10:04:12,958 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-11 10:04:12,958 INFO L87 Difference]: Start difference. First operand 114 states and 130 transitions. Second operand 6 states. [2018-04-11 10:04:13,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 10:04:13,039 INFO L93 Difference]: Finished difference Result 113 states and 129 transitions. [2018-04-11 10:04:13,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-11 10:04:13,040 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2018-04-11 10:04:13,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 10:04:13,041 INFO L225 Difference]: With dead ends: 113 [2018-04-11 10:04:13,041 INFO L226 Difference]: Without dead ends: 84 [2018-04-11 10:04:13,041 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 10:04:13,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2018-04-11 10:04:13,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2018-04-11 10:04:13,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2018-04-11 10:04:13,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 91 transitions. [2018-04-11 10:04:13,045 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 91 transitions. Word has length 30 [2018-04-11 10:04:13,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 10:04:13,045 INFO L459 AbstractCegarLoop]: Abstraction has 84 states and 91 transitions. [2018-04-11 10:04:13,045 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 10:04:13,045 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 91 transitions. [2018-04-11 10:04:13,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-04-11 10:04:13,046 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 10:04:13,046 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 10:04:13,046 INFO L408 AbstractCegarLoop]: === Iteration 14 === [__U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr0RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr3RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr1RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 10:04:13,046 INFO L82 PathProgramCache]: Analyzing trace with hash 1967697733, now seen corresponding path program 2 times [2018-04-11 10:04:13,046 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 10:04:13,046 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 10:04:13,047 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:04:13,047 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 10:04:13,047 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:04:13,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 10:04:13,058 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 10:04:13,325 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 10:04:13,326 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 10:04:13,326 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-11 10:04:13,331 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-11 10:04:13,349 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-11 10:04:13,349 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-11 10:04:13,351 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 10:04:13,353 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 10:04:13,353 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 10:04:13,355 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 10:04:13,355 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-11 10:04:13,384 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-04-11 10:04:13,385 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-04-11 10:04:13,385 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 10:04:13,387 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 10:04:13,390 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 10:04:13,390 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:23, output treesize:19 [2018-04-11 10:04:13,655 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2018-04-11 10:04:13,663 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 15 [2018-04-11 10:04:13,663 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-11 10:04:13,676 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 10:04:13,698 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-11 10:04:13,698 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:37 [2018-04-11 10:04:13,759 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 10:04:13,777 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 10:04:13,778 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 25 [2018-04-11 10:04:13,778 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-04-11 10:04:13,778 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-04-11 10:04:13,778 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=588, Unknown=0, NotChecked=0, Total=650 [2018-04-11 10:04:13,778 INFO L87 Difference]: Start difference. First operand 84 states and 91 transitions. Second operand 26 states. [2018-04-11 10:04:14,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 10:04:14,801 INFO L93 Difference]: Finished difference Result 99 states and 107 transitions. [2018-04-11 10:04:14,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-04-11 10:04:14,801 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 33 [2018-04-11 10:04:14,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 10:04:14,801 INFO L225 Difference]: With dead ends: 99 [2018-04-11 10:04:14,801 INFO L226 Difference]: Without dead ends: 99 [2018-04-11 10:04:14,802 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=291, Invalid=1601, Unknown=0, NotChecked=0, Total=1892 [2018-04-11 10:04:14,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-04-11 10:04:14,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 69. [2018-04-11 10:04:14,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-04-11 10:04:14,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 73 transitions. [2018-04-11 10:04:14,804 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 73 transitions. Word has length 33 [2018-04-11 10:04:14,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 10:04:14,804 INFO L459 AbstractCegarLoop]: Abstraction has 69 states and 73 transitions. [2018-04-11 10:04:14,804 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-04-11 10:04:14,804 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 73 transitions. [2018-04-11 10:04:14,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-04-11 10:04:14,804 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 10:04:14,804 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 10:04:14,804 INFO L408 AbstractCegarLoop]: === Iteration 15 === [__U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr0RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr3RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr1RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 10:04:14,804 INFO L82 PathProgramCache]: Analyzing trace with hash 239439201, now seen corresponding path program 2 times [2018-04-11 10:04:14,804 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 10:04:14,805 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 10:04:14,805 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:04:14,805 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-11 10:04:14,805 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 10:04:14,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 10:04:14,812 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 10:04:15,066 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 10:04:15,066 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 10:04:15,066 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-11 10:04:15,071 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-11 10:04:15,085 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-11 10:04:15,085 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-11 10:04:15,088 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 10:04:15,092 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 10:04:15,092 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 10:04:15,099 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 10:04:15,099 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 10:04:15,105 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 10:04:15,105 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-04-11 10:04:15,143 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 10:04:15,144 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 10:04:15,145 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-11 10:04:15,145 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 10:04:15,160 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-04-11 10:04:15,160 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 10:04:15,163 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 10:04:15,163 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2018-04-11 10:04:15,194 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-04-11 10:04:15,195 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-04-11 10:04:15,195 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 10:04:15,196 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 10:04:15,200 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 10:04:15,200 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:28 [2018-04-11 10:04:15,223 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-11 10:04:15,225 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-04-11 10:04:15,225 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 10:04:15,228 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 10:04:15,233 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-04-11 10:04:15,233 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:39, output treesize:35 [2018-04-11 10:04:15,531 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2018-04-11 10:04:15,533 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 1 [2018-04-11 10:04:15,533 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 10:04:15,558 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 15 [2018-04-11 10:04:15,559 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-11 10:04:15,561 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 10:04:15,568 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-11 10:04:15,568 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:52, output treesize:37 [2018-04-11 10:04:15,640 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 10:04:15,657 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 10:04:15,657 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 16] total 28 [2018-04-11 10:04:15,658 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-11 10:04:15,658 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-11 10:04:15,658 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=743, Unknown=0, NotChecked=0, Total=812 [2018-04-11 10:04:15,658 INFO L87 Difference]: Start difference. First operand 69 states and 73 transitions. Second operand 29 states. [2018-04-11 10:04:16,805 WARN L151 SmtUtils]: Spent 125ms on a formula simplification. DAG size of input: 72 DAG size of output 59 [2018-04-11 10:04:16,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 10:04:16,831 INFO L93 Difference]: Finished difference Result 72 states and 75 transitions. [2018-04-11 10:04:16,831 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-04-11 10:04:16,831 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 37 [2018-04-11 10:04:16,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 10:04:16,831 INFO L225 Difference]: With dead ends: 72 [2018-04-11 10:04:16,831 INFO L226 Difference]: Without dead ends: 0 [2018-04-11 10:04:16,832 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=249, Invalid=1731, Unknown=0, NotChecked=0, Total=1980 [2018-04-11 10:04:16,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-11 10:04:16,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-11 10:04:16,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-11 10:04:16,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-11 10:04:16,832 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2018-04-11 10:04:16,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 10:04:16,832 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-11 10:04:16,832 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-11 10:04:16,832 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-11 10:04:16,832 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-11 10:04:16,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.04 10:04:16 BoogieIcfgContainer [2018-04-11 10:04:16,835 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-11 10:04:16,836 INFO L168 Benchmark]: Toolchain (without parser) took 9799.27 ms. Allocated memory was 405.8 MB in the beginning and 773.3 MB in the end (delta: 367.5 MB). Free memory was 338.1 MB in the beginning and 720.3 MB in the end (delta: -382.2 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 10:04:16,837 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 405.8 MB. Free memory is still 364.5 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 10:04:16,837 INFO L168 Benchmark]: CACSL2BoogieTranslator took 258.06 ms. Allocated memory is still 405.8 MB. Free memory was 338.1 MB in the beginning and 314.3 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 5.3 GB. [2018-04-11 10:04:16,837 INFO L168 Benchmark]: Boogie Preprocessor took 37.00 ms. Allocated memory is still 405.8 MB. Free memory was 314.3 MB in the beginning and 311.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-11 10:04:16,837 INFO L168 Benchmark]: RCFGBuilder took 372.80 ms. Allocated memory was 405.8 MB in the beginning and 603.5 MB in the end (delta: 197.7 MB). Free memory was 311.6 MB in the beginning and 539.6 MB in the end (delta: -228.0 MB). Peak memory consumption was 22.3 MB. Max. memory is 5.3 GB. [2018-04-11 10:04:16,837 INFO L168 Benchmark]: TraceAbstraction took 9128.79 ms. Allocated memory was 603.5 MB in the beginning and 773.3 MB in the end (delta: 169.9 MB). Free memory was 539.6 MB in the beginning and 720.3 MB in the end (delta: -180.6 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 10:04:16,838 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 405.8 MB. Free memory is still 364.5 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 258.06 ms. Allocated memory is still 405.8 MB. Free memory was 338.1 MB in the beginning and 314.3 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 37.00 ms. Allocated memory is still 405.8 MB. Free memory was 314.3 MB in the beginning and 311.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 372.80 ms. Allocated memory was 405.8 MB in the beginning and 603.5 MB in the end (delta: 197.7 MB). Free memory was 311.6 MB in the beginning and 539.6 MB in the end (delta: -228.0 MB). Peak memory consumption was 22.3 MB. Max. memory is 5.3 GB. * TraceAbstraction took 9128.79 ms. Allocated memory was 603.5 MB in the beginning and 773.3 MB in the end (delta: 169.9 MB). Free memory was 539.6 MB in the beginning and 720.3 MB in the end (delta: -180.6 MB). There was no memory consumed. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 545]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 545]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 564]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 563]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 564]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 552]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 563]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 9 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 53 locations, 9 error locations. SAFE Result, 9.0s OverallTime, 15 OverallIterations, 3 TraceHistogramMax, 5.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 508 SDtfs, 984 SDslu, 2782 SDs, 0 SdLazy, 2324 SolverSat, 244 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 360 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 258 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1102 ImplicationChecksByTransitivity, 5.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=114occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 15 MinimizatonAttempts, 110 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 476 NumberOfCodeBlocks, 476 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 457 ConstructedInterpolants, 44 QuantifiedInterpolants, 138314 SizeOfPredicates, 52 NumberOfNonLiveVariables, 608 ConjunctsInSsa, 144 ConjunctsInUnsatCore, 19 InterpolantComputations, 11 PerfectInterpolantSequences, 10/63 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-11_10-04-16-843.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-11_10-04-16-843.csv Received shutdown request...