java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv --cacsl2boogietranslator.bitprecise.bitfields false -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf -i ../../../trunk/examples/svcomp/array-memsafety/openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-11 15:12:29,003 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 15:12:29,005 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 15:12:29,018 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 15:12:29,019 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 15:12:29,020 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 15:12:29,021 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 15:12:29,022 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 15:12:29,024 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 15:12:29,024 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 15:12:29,025 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 15:12:29,025 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 15:12:29,026 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 15:12:29,027 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 15:12:29,028 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 15:12:29,030 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 15:12:29,031 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 15:12:29,033 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 15:12:29,033 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 15:12:29,034 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 15:12:29,036 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-11 15:12:29,036 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-11 15:12:29,036 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-11 15:12:29,037 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-11 15:12:29,038 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-11 15:12:29,039 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-11 15:12:29,039 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-11 15:12:29,040 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-11 15:12:29,040 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-11 15:12:29,041 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-11 15:12:29,041 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-11 15:12:29,041 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf [2018-04-11 15:12:29,063 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 15:12:29,063 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 15:12:29,064 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-11 15:12:29,065 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-11 15:12:29,065 INFO L133 SettingsManager]: * Use SBE=true [2018-04-11 15:12:29,065 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 15:12:29,065 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 15:12:29,065 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 15:12:29,066 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 15:12:29,066 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 15:12:29,066 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 15:12:29,066 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 15:12:29,066 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-11 15:12:29,066 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 15:12:29,066 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 15:12:29,067 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 15:12:29,067 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-11 15:12:29,067 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-11 15:12:29,067 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 15:12:29,067 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 15:12:29,067 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 15:12:29,068 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-11 15:12:29,068 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-11 15:12:29,068 INFO L133 SettingsManager]: * Trace refinement strategy=SMTINTERPOL Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-11 15:12:29,100 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 15:12:29,111 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 15:12:29,114 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 15:12:29,115 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 15:12:29,115 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 15:12:29,116 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,483 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGbe5a76de0 [2018-04-11 15:12:29,602 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 15:12:29,603 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 15:12:29,603 INFO L168 CDTParser]: Scanning openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,610 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 15:12:29,610 INFO L215 ultiparseSymbolTable]: [2018-04-11 15:12:29,611 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 15:12:29,611 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero ('cbzero') in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,611 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____bswap_32 ('__bswap_32') in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,611 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____bswap_64 ('__bswap_64') in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,611 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,611 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 15:12:29,611 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__blkcnt_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,612 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____pthread_list_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,612 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__pthread_barrierattr_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,612 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__sigset_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,612 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__ulong in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,612 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__u_char in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,612 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__u_int32_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,612 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__u_quad_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,612 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,612 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__clock_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,612 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____caddr_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,612 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__int16_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,612 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____fsid_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,612 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____fsblkcnt_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,612 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__blksize_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,612 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__lldiv_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,613 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__uid_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,613 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__pthread_rwlock_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,613 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____ino64_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,613 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__pthread_key_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,613 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____ino_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,613 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__div_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,613 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____u_long in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,613 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____int16_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,613 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____uint32_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,613 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__fsid_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,613 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__caddr_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,613 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__pthread_spinlock_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,613 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____clock_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,613 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____blkcnt_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,613 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__mode_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,614 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____daddr_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,614 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____sigset_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,614 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____uint8_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,614 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____loff_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,614 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__time_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,614 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__ushort in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,614 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____syscall_slong_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,614 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____key_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,614 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__suseconds_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,615 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____u_short in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,615 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__u_long in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,615 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____useconds_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,615 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__fd_set in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,615 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__pthread_mutex_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,615 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____qaddr_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,615 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____dev_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,615 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____blksize_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,615 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____uint16_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,615 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____int64_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,616 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__u_int64_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,616 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__loff_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,616 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__daddr_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,616 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____time_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,616 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__int8_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,616 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____WAIT_STATUS in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,616 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____fsfilcnt_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,616 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____rlim64_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,616 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__int64_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,616 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__pthread_condattr_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,616 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__timer_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,617 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__register_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,617 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____fsblkcnt64_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,617 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____nlink_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,617 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__u_short in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,617 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____int8_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,617 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____blkcnt64_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,617 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__ldiv_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,617 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____uid_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,617 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__ssize_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,617 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__gid_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,617 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__ino_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,618 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____fsfilcnt64_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,618 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__int32_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,618 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__pthread_attr_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,618 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____fsword_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,618 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__pid_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,618 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__fsfilcnt_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,618 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____uint64_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,618 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__nlink_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,618 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____socklen_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,618 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____mode_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,618 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__uint in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,618 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____u_int in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,619 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__pthread_once_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,619 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__off_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,619 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__id_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,619 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__size_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,619 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____intptr_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,619 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__dev_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,619 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__quad_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,619 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__u_int16_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,619 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____int32_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,619 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__u_int in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,619 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__pthread_cond_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,619 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____suseconds_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,619 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__key_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,619 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____clockid_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,619 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__clockid_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,619 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__pthread_barrier_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,619 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____u_quad_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,620 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__fd_mask in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,620 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__wchar_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,620 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____rlim_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,620 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____off_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,620 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____quad_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,620 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____syscall_ulong_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,620 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____gid_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,620 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____id_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,620 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____ssize_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,620 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____fd_mask in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,620 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__pthread_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,620 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____off64_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,620 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____sig_atomic_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,620 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____u_char in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,620 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__pthread_mutexattr_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,620 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____pid_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,621 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__u_int8_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,621 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____timer_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,621 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__fsblkcnt_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:29,634 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGbe5a76de0 [2018-04-11 15:12:29,638 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 15:12:29,639 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 15:12:29,640 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 15:12:29,640 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 15:12:29,645 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 15:12:29,646 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 03:12:29" (1/1) ... [2018-04-11 15:12:29,648 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@167777d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:12:29, skipping insertion in model container [2018-04-11 15:12:29,649 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 03:12:29" (1/1) ... [2018-04-11 15:12:29,660 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 15:12:29,685 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 15:12:29,810 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 15:12:29,839 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 15:12:29,845 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-11 15:12:29,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:12:29 WrapperNode [2018-04-11 15:12:29,879 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 15:12:29,879 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 15:12:29,880 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 15:12:29,880 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 15:12:29,891 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:12:29" (1/1) ... [2018-04-11 15:12:29,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:12:29" (1/1) ... [2018-04-11 15:12:29,902 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:12:29" (1/1) ... [2018-04-11 15:12:29,903 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:12:29" (1/1) ... [2018-04-11 15:12:29,908 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:12:29" (1/1) ... [2018-04-11 15:12:29,911 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:12:29" (1/1) ... [2018-04-11 15:12:29,914 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:12:29" (1/1) ... [2018-04-11 15:12:29,916 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 15:12:29,917 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 15:12:29,917 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 15:12:29,917 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 15:12:29,918 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:12:29" (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 15:12:30,015 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 15:12:30,015 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 15:12:30,015 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-11 15:12:30,015 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-11 15:12:30,015 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero [2018-04-11 15:12:30,015 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 15:12:30,016 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-11 15:12:30,016 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-11 15:12:30,016 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 15:12:30,016 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 15:12:30,016 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 15:12:30,016 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 15:12:30,016 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 15:12:30,016 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 15:12:30,016 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 15:12:30,016 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 15:12:30,016 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 15:12:30,017 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 15:12:30,017 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 15:12:30,017 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 15:12:30,017 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 15:12:30,017 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 15:12:30,017 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 15:12:30,017 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 15:12:30,017 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 15:12:30,017 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 15:12:30,017 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 15:12:30,017 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 15:12:30,018 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 15:12:30,018 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 15:12:30,018 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 15:12:30,018 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 15:12:30,018 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 15:12:30,018 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 15:12:30,018 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 15:12:30,018 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 15:12:30,018 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 15:12:30,018 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 15:12:30,019 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 15:12:30,019 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 15:12:30,019 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 15:12:30,019 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 15:12:30,019 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 15:12:30,019 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 15:12:30,019 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 15:12:30,019 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 15:12:30,019 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 15:12:30,019 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 15:12:30,019 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 15:12:30,019 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 15:12:30,020 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 15:12:30,020 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 15:12:30,020 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 15:12:30,020 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 15:12:30,020 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 15:12:30,020 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 15:12:30,020 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 15:12:30,020 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 15:12:30,020 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 15:12:30,020 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 15:12:30,020 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 15:12:30,020 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 15:12:30,021 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 15:12:30,021 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 15:12:30,021 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 15:12:30,021 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 15:12:30,021 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 15:12:30,021 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 15:12:30,021 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 15:12:30,021 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-11 15:12:30,021 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 15:12:30,021 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 15:12:30,021 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 15:12:30,021 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 15:12:30,021 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 15:12:30,021 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 15:12:30,021 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 15:12:30,022 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 15:12:30,022 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 15:12:30,022 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 15:12:30,022 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 15:12:30,022 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 15:12:30,022 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 15:12:30,022 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 15:12:30,022 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 15:12:30,022 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 15:12:30,022 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 15:12:30,022 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 15:12:30,022 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 15:12:30,022 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 15:12:30,022 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 15:12:30,022 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 15:12:30,022 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 15:12:30,022 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 15:12:30,022 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 15:12:30,023 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 15:12:30,023 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 15:12:30,023 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 15:12:30,023 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 15:12:30,023 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 15:12:30,023 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 15:12:30,023 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 15:12:30,023 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 15:12:30,023 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 15:12:30,023 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 15:12:30,024 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 15:12:30,024 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 15:12:30,024 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 15:12:30,024 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-11 15:12:30,024 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero [2018-04-11 15:12:30,024 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-11 15:12:30,024 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 15:12:30,024 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 15:12:30,024 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 15:12:30,024 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 15:12:30,024 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 15:12:30,024 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-11 15:12:30,025 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-11 15:12:30,268 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 15:12:30,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 03:12:30 BoogieIcfgContainer [2018-04-11 15:12:30,269 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 15:12:30,269 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 15:12:30,269 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 15:12:30,271 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 15:12:30,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 03:12:29" (1/3) ... [2018-04-11 15:12:30,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21029645 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 03:12:30, skipping insertion in model container [2018-04-11 15:12:30,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:12:29" (2/3) ... [2018-04-11 15:12:30,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21029645 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 03:12:30, skipping insertion in model container [2018-04-11 15:12:30,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 03:12:30" (3/3) ... [2018-04-11 15:12:30,273 INFO L107 eAbstractionObserver]: Analyzing ICFG openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:12:30,278 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-11 15:12:30,283 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-04-11 15:12:30,311 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 15:12:30,311 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 15:12:30,312 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-11 15:12:30,312 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-11 15:12:30,312 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-11 15:12:30,312 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 15:12:30,312 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 15:12:30,312 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 15:12:30,312 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 15:12:30,313 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 15:12:30,324 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2018-04-11 15:12:30,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-04-11 15:12:30,331 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:12:30,331 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:12:30,332 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr0RequiresViolation, __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr1RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-11 15:12:30,334 INFO L82 PathProgramCache]: Analyzing trace with hash 479499118, now seen corresponding path program 1 times [2018-04-11 15:12:30,335 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:12:30,336 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:12:30,371 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:12:30,371 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:12:30,371 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:12:30,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:12:30,411 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:12:30,458 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 15:12:30,460 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:12:30,460 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 15:12:30,461 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 15:12:30,469 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 15:12:30,470 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 15:12:30,471 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 4 states. [2018-04-11 15:12:30,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:12:30,509 INFO L93 Difference]: Finished difference Result 33 states and 36 transitions. [2018-04-11 15:12:30,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 15:12:30,511 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2018-04-11 15:12:30,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:12:30,517 INFO L225 Difference]: With dead ends: 33 [2018-04-11 15:12:30,517 INFO L226 Difference]: Without dead ends: 29 [2018-04-11 15:12:30,519 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 15:12:30,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2018-04-11 15:12:30,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 27. [2018-04-11 15:12:30,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-04-11 15:12:30,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2018-04-11 15:12:30,543 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 10 [2018-04-11 15:12:30,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:12:30,543 INFO L459 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2018-04-11 15:12:30,543 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 15:12:30,543 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2018-04-11 15:12:30,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-04-11 15:12:30,544 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:12:30,544 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:12:30,544 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr0RequiresViolation, __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr1RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-11 15:12:30,544 INFO L82 PathProgramCache]: Analyzing trace with hash 479501040, now seen corresponding path program 1 times [2018-04-11 15:12:30,544 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:12:30,544 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:12:30,545 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:12:30,545 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:12:30,546 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:12:30,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:12:30,554 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:12:30,577 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 15:12:30,577 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:12:30,577 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-04-11 15:12:30,578 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-11 15:12:30,578 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-11 15:12:30,579 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 15:12:30,579 INFO L87 Difference]: Start difference. First operand 27 states and 30 transitions. Second operand 3 states. [2018-04-11 15:12:30,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:12:30,595 INFO L93 Difference]: Finished difference Result 28 states and 30 transitions. [2018-04-11 15:12:30,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-11 15:12:30,596 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-04-11 15:12:30,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:12:30,596 INFO L225 Difference]: With dead ends: 28 [2018-04-11 15:12:30,596 INFO L226 Difference]: Without dead ends: 27 [2018-04-11 15:12:30,597 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 15:12:30,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-04-11 15:12:30,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 26. [2018-04-11 15:12:30,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-04-11 15:12:30,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 28 transitions. [2018-04-11 15:12:30,599 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 28 transitions. Word has length 10 [2018-04-11 15:12:30,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:12:30,599 INFO L459 AbstractCegarLoop]: Abstraction has 26 states and 28 transitions. [2018-04-11 15:12:30,599 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-11 15:12:30,600 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2018-04-11 15:12:30,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-04-11 15:12:30,600 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:12:30,600 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:12:30,600 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr0RequiresViolation, __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr1RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-11 15:12:30,600 INFO L82 PathProgramCache]: Analyzing trace with hash -1962940712, now seen corresponding path program 1 times [2018-04-11 15:12:30,600 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:12:30,600 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:12:30,601 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:12:30,601 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:12:30,601 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:12:30,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:12:30,615 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:12:30,662 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 15:12:30,662 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:12:30,662 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-11 15:12:30,663 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-11 15:12:30,663 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-11 15:12:30,663 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-04-11 15:12:30,663 INFO L87 Difference]: Start difference. First operand 26 states and 28 transitions. Second operand 7 states. [2018-04-11 15:12:30,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:12:30,751 INFO L93 Difference]: Finished difference Result 25 states and 27 transitions. [2018-04-11 15:12:30,751 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-11 15:12:30,751 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 16 [2018-04-11 15:12:30,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:12:30,752 INFO L225 Difference]: With dead ends: 25 [2018-04-11 15:12:30,752 INFO L226 Difference]: Without dead ends: 25 [2018-04-11 15:12:30,752 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-04-11 15:12:30,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-04-11 15:12:30,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2018-04-11 15:12:30,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-04-11 15:12:30,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 27 transitions. [2018-04-11 15:12:30,755 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 27 transitions. Word has length 16 [2018-04-11 15:12:30,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:12:30,755 INFO L459 AbstractCegarLoop]: Abstraction has 25 states and 27 transitions. [2018-04-11 15:12:30,755 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-11 15:12:30,755 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2018-04-11 15:12:30,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-04-11 15:12:30,755 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:12:30,755 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:12:30,756 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr0RequiresViolation, __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr1RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-11 15:12:30,756 INFO L82 PathProgramCache]: Analyzing trace with hash -1962940711, now seen corresponding path program 1 times [2018-04-11 15:12:30,756 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:12:30,756 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:12:30,756 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:12:30,756 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:12:30,756 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:12:30,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:12:30,766 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:12:30,857 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 15:12:30,857 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:12:30,857 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-11 15:12:30,857 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-11 15:12:30,858 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-11 15:12:30,858 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-04-11 15:12:30,858 INFO L87 Difference]: Start difference. First operand 25 states and 27 transitions. Second operand 8 states. [2018-04-11 15:12:30,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:12:30,974 INFO L93 Difference]: Finished difference Result 31 states and 34 transitions. [2018-04-11 15:12:30,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-11 15:12:30,975 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 16 [2018-04-11 15:12:30,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:12:30,976 INFO L225 Difference]: With dead ends: 31 [2018-04-11 15:12:30,976 INFO L226 Difference]: Without dead ends: 31 [2018-04-11 15:12:30,977 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2018-04-11 15:12:30,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-04-11 15:12:30,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 28. [2018-04-11 15:12:30,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-04-11 15:12:30,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 31 transitions. [2018-04-11 15:12:30,981 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 31 transitions. Word has length 16 [2018-04-11 15:12:30,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:12:30,981 INFO L459 AbstractCegarLoop]: Abstraction has 28 states and 31 transitions. [2018-04-11 15:12:30,981 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-11 15:12:30,981 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2018-04-11 15:12:30,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-11 15:12:30,982 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:12:30,982 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:12:30,982 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr0RequiresViolation, __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr1RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-11 15:12:30,982 INFO L82 PathProgramCache]: Analyzing trace with hash -1468429103, now seen corresponding path program 1 times [2018-04-11 15:12:30,982 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:12:30,982 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:12:30,983 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:12:30,983 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:12:30,983 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:12:30,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:12:30,998 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:12:31,065 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:12:31,065 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 15:12:31,065 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-11 15:12:31,066 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:12:31,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:12:31,091 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 15:12:31,110 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:12:31,111 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 15:12:31,111 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2018-04-11 15:12:31,111 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-11 15:12:31,111 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-11 15:12:31,111 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-04-11 15:12:31,112 INFO L87 Difference]: Start difference. First operand 28 states and 31 transitions. Second operand 7 states. [2018-04-11 15:12:31,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:12:31,166 INFO L93 Difference]: Finished difference Result 48 states and 51 transitions. [2018-04-11 15:12:31,166 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-11 15:12:31,166 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-04-11 15:12:31,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:12:31,167 INFO L225 Difference]: With dead ends: 48 [2018-04-11 15:12:31,167 INFO L226 Difference]: Without dead ends: 48 [2018-04-11 15:12:31,167 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-04-11 15:12:31,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-04-11 15:12:31,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 41. [2018-04-11 15:12:31,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-04-11 15:12:31,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2018-04-11 15:12:31,171 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 45 transitions. Word has length 20 [2018-04-11 15:12:31,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:12:31,172 INFO L459 AbstractCegarLoop]: Abstraction has 41 states and 45 transitions. [2018-04-11 15:12:31,172 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-11 15:12:31,172 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2018-04-11 15:12:31,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-11 15:12:31,172 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:12:31,172 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:12:31,173 INFO L408 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr0RequiresViolation, __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr1RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-11 15:12:31,173 INFO L82 PathProgramCache]: Analyzing trace with hash -2055235117, now seen corresponding path program 1 times [2018-04-11 15:12:31,173 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:12:31,173 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:12:31,174 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:12:31,174 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:12:31,174 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:12:31,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:12:31,189 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:12:31,264 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:12:31,264 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 15:12:31,264 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-11 15:12:31,264 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:12:31,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:12:31,280 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 15:12:31,288 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:12:31,288 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 15:12:31,288 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2018-04-11 15:12:31,289 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-11 15:12:31,289 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-11 15:12:31,289 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-04-11 15:12:31,289 INFO L87 Difference]: Start difference. First operand 41 states and 45 transitions. Second operand 9 states. [2018-04-11 15:12:31,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:12:31,373 INFO L93 Difference]: Finished difference Result 73 states and 79 transitions. [2018-04-11 15:12:31,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-11 15:12:31,375 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 20 [2018-04-11 15:12:31,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:12:31,375 INFO L225 Difference]: With dead ends: 73 [2018-04-11 15:12:31,376 INFO L226 Difference]: Without dead ends: 73 [2018-04-11 15:12:31,376 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-04-11 15:12:31,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-04-11 15:12:31,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 42. [2018-04-11 15:12:31,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-04-11 15:12:31,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 47 transitions. [2018-04-11 15:12:31,382 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 47 transitions. Word has length 20 [2018-04-11 15:12:31,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:12:31,382 INFO L459 AbstractCegarLoop]: Abstraction has 42 states and 47 transitions. [2018-04-11 15:12:31,382 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-11 15:12:31,382 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 47 transitions. [2018-04-11 15:12:31,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-11 15:12:31,382 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:12:31,382 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:12:31,382 INFO L408 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr0RequiresViolation, __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr1RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-11 15:12:31,383 INFO L82 PathProgramCache]: Analyzing trace with hash 1228614929, now seen corresponding path program 1 times [2018-04-11 15:12:31,383 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:12:31,383 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:12:31,383 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:12:31,383 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:12:31,383 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:12:31,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:12:31,393 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:12:31,543 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 15:12:31,543 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 15:12:31,543 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-11 15:12:31,544 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:12:31,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:12:31,566 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 15:12:31,599 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 15:12:31,601 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:12:31,608 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:12:31,609 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:12 [2018-04-11 15:12:31,773 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 15:12:31,773 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 15:12:31,774 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2018-04-11 15:12:31,774 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-04-11 15:12:31,774 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-04-11 15:12:31,774 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=407, Unknown=0, NotChecked=0, Total=462 [2018-04-11 15:12:31,775 INFO L87 Difference]: Start difference. First operand 42 states and 47 transitions. Second operand 22 states. [2018-04-11 15:12:32,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:12:32,053 INFO L93 Difference]: Finished difference Result 51 states and 57 transitions. [2018-04-11 15:12:32,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-11 15:12:32,053 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 20 [2018-04-11 15:12:32,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:12:32,054 INFO L225 Difference]: With dead ends: 51 [2018-04-11 15:12:32,054 INFO L226 Difference]: Without dead ends: 51 [2018-04-11 15:12:32,054 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=116, Invalid=814, Unknown=0, NotChecked=0, Total=930 [2018-04-11 15:12:32,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-04-11 15:12:32,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 46. [2018-04-11 15:12:32,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-04-11 15:12:32,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 52 transitions. [2018-04-11 15:12:32,057 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 52 transitions. Word has length 20 [2018-04-11 15:12:32,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:12:32,059 INFO L459 AbstractCegarLoop]: Abstraction has 46 states and 52 transitions. [2018-04-11 15:12:32,059 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-04-11 15:12:32,059 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 52 transitions. [2018-04-11 15:12:32,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-04-11 15:12:32,060 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:12:32,060 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:12:32,060 INFO L408 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr0RequiresViolation, __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr1RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-11 15:12:32,060 INFO L82 PathProgramCache]: Analyzing trace with hash 214516216, now seen corresponding path program 1 times [2018-04-11 15:12:32,060 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:12:32,060 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:12:32,061 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:12:32,061 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:12:32,061 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:12:32,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:12:32,066 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:12:32,107 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 15:12:32,108 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:12:32,108 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-11 15:12:32,108 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 15:12:32,111 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 15:12:32,111 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-11 15:12:32,111 INFO L87 Difference]: Start difference. First operand 46 states and 52 transitions. Second operand 6 states. [2018-04-11 15:12:32,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:12:32,138 INFO L93 Difference]: Finished difference Result 59 states and 65 transitions. [2018-04-11 15:12:32,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 15:12:32,139 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2018-04-11 15:12:32,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:12:32,139 INFO L225 Difference]: With dead ends: 59 [2018-04-11 15:12:32,139 INFO L226 Difference]: Without dead ends: 59 [2018-04-11 15:12:32,139 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-11 15:12:32,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-04-11 15:12:32,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 52. [2018-04-11 15:12:32,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-04-11 15:12:32,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 59 transitions. [2018-04-11 15:12:32,143 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 59 transitions. Word has length 21 [2018-04-11 15:12:32,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:12:32,143 INFO L459 AbstractCegarLoop]: Abstraction has 52 states and 59 transitions. [2018-04-11 15:12:32,143 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 15:12:32,143 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 59 transitions. [2018-04-11 15:12:32,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-04-11 15:12:32,144 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:12:32,144 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:12:32,144 INFO L408 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr0RequiresViolation, __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr1RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-11 15:12:32,145 INFO L82 PathProgramCache]: Analyzing trace with hash -796601034, now seen corresponding path program 1 times [2018-04-11 15:12:32,145 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:12:32,145 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:12:32,145 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:12:32,145 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:12:32,145 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:12:32,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:12:32,152 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:12:32,155 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-11 15:12:32,155 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 15:12:32,155 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-11 15:12:32,155 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:12:32,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:12:32,166 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 15:12:32,208 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 15:12:32,208 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:12:32,208 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-11 15:12:32,208 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-11 15:12:32,209 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-11 15:12:32,209 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-04-11 15:12:32,209 INFO L87 Difference]: Start difference. First operand 52 states and 59 transitions. Second operand 8 states. [2018-04-11 15:12:32,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:12:32,233 INFO L93 Difference]: Finished difference Result 68 states and 73 transitions. [2018-04-11 15:12:32,233 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-11 15:12:32,234 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 21 [2018-04-11 15:12:32,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:12:32,234 INFO L225 Difference]: With dead ends: 68 [2018-04-11 15:12:32,234 INFO L226 Difference]: Without dead ends: 66 [2018-04-11 15:12:32,234 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-04-11 15:12:32,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-04-11 15:12:32,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 46. [2018-04-11 15:12:32,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-04-11 15:12:32,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 51 transitions. [2018-04-11 15:12:32,237 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 51 transitions. Word has length 21 [2018-04-11 15:12:32,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:12:32,237 INFO L459 AbstractCegarLoop]: Abstraction has 46 states and 51 transitions. [2018-04-11 15:12:32,237 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-11 15:12:32,237 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 51 transitions. [2018-04-11 15:12:32,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-04-11 15:12:32,237 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:12:32,237 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:12:32,237 INFO L408 AbstractCegarLoop]: === Iteration 10 === [__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr0RequiresViolation, __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr1RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-11 15:12:32,237 INFO L82 PathProgramCache]: Analyzing trace with hash -2076464712, now seen corresponding path program 1 times [2018-04-11 15:12:32,237 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:12:32,238 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:12:32,238 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:12:32,238 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:12:32,238 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:12:32,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:12:32,242 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:12:32,243 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-11 15:12:32,243 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 15:12:32,243 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-11 15:12:32,244 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:12:32,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:12:32,250 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 15:12:32,271 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 15:12:32,272 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:12:32,272 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-11 15:12:32,272 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-11 15:12:32,272 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-11 15:12:32,272 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-04-11 15:12:32,272 INFO L87 Difference]: Start difference. First operand 46 states and 51 transitions. Second operand 7 states. [2018-04-11 15:12:32,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:12:32,287 INFO L93 Difference]: Finished difference Result 48 states and 52 transitions. [2018-04-11 15:12:32,287 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-11 15:12:32,287 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2018-04-11 15:12:32,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:12:32,287 INFO L225 Difference]: With dead ends: 48 [2018-04-11 15:12:32,287 INFO L226 Difference]: Without dead ends: 46 [2018-04-11 15:12:32,288 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-04-11 15:12:32,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-04-11 15:12:32,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2018-04-11 15:12:32,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-04-11 15:12:32,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 50 transitions. [2018-04-11 15:12:32,290 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 50 transitions. Word has length 21 [2018-04-11 15:12:32,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:12:32,290 INFO L459 AbstractCegarLoop]: Abstraction has 46 states and 50 transitions. [2018-04-11 15:12:32,290 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-11 15:12:32,290 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2018-04-11 15:12:32,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-11 15:12:32,290 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:12:32,291 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:12:32,291 INFO L408 AbstractCegarLoop]: === Iteration 11 === [__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr0RequiresViolation, __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr1RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-11 15:12:32,291 INFO L82 PathProgramCache]: Analyzing trace with hash -1363740919, now seen corresponding path program 2 times [2018-04-11 15:12:32,291 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:12:32,291 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:12:32,291 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:12:32,291 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:12:32,291 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:12:32,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:12:32,311 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:12:32,564 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:12:32,564 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 15:12:32,564 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-11 15:12:32,565 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-11 15:12:32,588 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-11 15:12:32,588 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-11 15:12:32,592 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 15:12:32,603 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 15:12:32,603 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:12:32,610 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:12:32,610 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:12 [2018-04-11 15:12:32,933 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:12:32,933 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 15:12:32,933 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14] total 26 [2018-04-11 15:12:32,934 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-04-11 15:12:32,934 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-04-11 15:12:32,934 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2018-04-11 15:12:32,934 INFO L87 Difference]: Start difference. First operand 46 states and 50 transitions. Second operand 27 states. [2018-04-11 15:12:36,122 WARN L151 SmtUtils]: Spent 2709ms on a formula simplification. DAG size of input: 52 DAG size of output 40 [2018-04-11 15:12:36,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:12:36,251 INFO L93 Difference]: Finished difference Result 50 states and 55 transitions. [2018-04-11 15:12:36,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-04-11 15:12:36,251 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 24 [2018-04-11 15:12:36,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:12:36,252 INFO L225 Difference]: With dead ends: 50 [2018-04-11 15:12:36,252 INFO L226 Difference]: Without dead ends: 50 [2018-04-11 15:12:36,252 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 321 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=180, Invalid=1542, Unknown=0, NotChecked=0, Total=1722 [2018-04-11 15:12:36,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-04-11 15:12:36,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 40. [2018-04-11 15:12:36,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-04-11 15:12:36,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 43 transitions. [2018-04-11 15:12:36,255 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 43 transitions. Word has length 24 [2018-04-11 15:12:36,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:12:36,256 INFO L459 AbstractCegarLoop]: Abstraction has 40 states and 43 transitions. [2018-04-11 15:12:36,256 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-04-11 15:12:36,256 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2018-04-11 15:12:36,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-04-11 15:12:36,256 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:12:36,257 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] [2018-04-11 15:12:36,257 INFO L408 AbstractCegarLoop]: === Iteration 12 === [__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr0RequiresViolation, __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr1RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-11 15:12:36,257 INFO L82 PathProgramCache]: Analyzing trace with hash -1446996224, now seen corresponding path program 1 times [2018-04-11 15:12:36,257 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:12:36,257 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:12:36,257 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:12:36,258 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-11 15:12:36,258 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:12:36,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:12:36,268 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:12:36,270 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-11 15:12:36,270 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 15:12:36,270 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-11 15:12:36,271 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:12:36,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:12:36,282 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 15:12:36,309 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:12:36,310 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 5 [2018-04-11 15:12:36,310 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:12:36,312 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 15:12:36,312 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-04-11 15:12:36,328 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc6.base| Int)) (and (= 0 (select |c_old(#valid)| |main_#t~malloc6.base|)) (= |c_#valid| (store |c_old(#valid)| |main_#t~malloc6.base| 0)))) is different from true [2018-04-11 15:12:36,331 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-11 15:12:36,331 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:12:36,331 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 15:12:36,331 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 15:12:36,332 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 15:12:36,332 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=13, Unknown=1, NotChecked=6, Total=30 [2018-04-11 15:12:36,332 INFO L87 Difference]: Start difference. First operand 40 states and 43 transitions. Second operand 6 states. [2018-04-11 15:12:36,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:12:36,355 INFO L93 Difference]: Finished difference Result 39 states and 42 transitions. [2018-04-11 15:12:36,355 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 15:12:36,355 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2018-04-11 15:12:36,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:12:36,356 INFO L225 Difference]: With dead ends: 39 [2018-04-11 15:12:36,356 INFO L226 Difference]: Without dead ends: 0 [2018-04-11 15:12:36,356 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=28, Unknown=1, NotChecked=10, Total=56 [2018-04-11 15:12:36,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-11 15:12:36,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-11 15:12:36,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-11 15:12:36,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-11 15:12:36,356 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2018-04-11 15:12:36,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:12:36,356 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-11 15:12:36,356 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 15:12:36,356 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-11 15:12:36,356 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-11 15:12:36,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.04 03:12:36 BoogieIcfgContainer [2018-04-11 15:12:36,359 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-11 15:12:36,359 INFO L168 Benchmark]: Toolchain (without parser) took 6721.48 ms. Allocated memory was 405.3 MB in the beginning and 643.8 MB in the end (delta: 238.6 MB). Free memory was 339.1 MB in the beginning and 521.0 MB in the end (delta: -182.0 MB). Peak memory consumption was 56.6 MB. Max. memory is 5.3 GB. [2018-04-11 15:12:36,360 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 405.3 MB. Free memory is still 362.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 15:12:36,360 INFO L168 Benchmark]: CACSL2BoogieTranslator took 239.65 ms. Allocated memory is still 405.3 MB. Free memory was 337.7 MB in the beginning and 313.9 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 5.3 GB. [2018-04-11 15:12:36,360 INFO L168 Benchmark]: Boogie Preprocessor took 37.21 ms. Allocated memory is still 405.3 MB. Free memory was 313.9 MB in the beginning and 311.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-11 15:12:36,361 INFO L168 Benchmark]: RCFGBuilder took 351.71 ms. Allocated memory was 405.3 MB in the beginning and 592.4 MB in the end (delta: 187.2 MB). Free memory was 311.3 MB in the beginning and 534.1 MB in the end (delta: -222.8 MB). Peak memory consumption was 24.3 MB. Max. memory is 5.3 GB. [2018-04-11 15:12:36,361 INFO L168 Benchmark]: TraceAbstraction took 6089.98 ms. Allocated memory was 592.4 MB in the beginning and 643.8 MB in the end (delta: 51.4 MB). Free memory was 532.7 MB in the beginning and 521.0 MB in the end (delta: 11.6 MB). Peak memory consumption was 63.0 MB. Max. memory is 5.3 GB. [2018-04-11 15:12:36,361 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 405.3 MB. Free memory is still 362.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 239.65 ms. Allocated memory is still 405.3 MB. Free memory was 337.7 MB in the beginning and 313.9 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 37.21 ms. Allocated memory is still 405.3 MB. Free memory was 313.9 MB in the beginning and 311.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 351.71 ms. Allocated memory was 405.3 MB in the beginning and 592.4 MB in the end (delta: 187.2 MB). Free memory was 311.3 MB in the beginning and 534.1 MB in the end (delta: -222.8 MB). Peak memory consumption was 24.3 MB. Max. memory is 5.3 GB. * TraceAbstraction took 6089.98 ms. Allocated memory was 592.4 MB in the beginning and 643.8 MB in the end (delta: 51.4 MB). Free memory was 532.7 MB in the beginning and 521.0 MB in the end (delta: 11.6 MB). Peak memory consumption was 63.0 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 545]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 545]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 35 locations, 3 error locations. SAFE Result, 6.0s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 4.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 276 SDtfs, 273 SDslu, 1240 SDs, 0 SdLazy, 861 SolverSat, 99 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 255 GetRequests, 120 SyntacticMatches, 2 SemanticMatches, 133 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 547 ImplicationChecksByTransitivity, 4.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred in iteration=8, 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, 12 MinimizatonAttempts, 86 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 375 NumberOfCodeBlocks, 375 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 292 ConstructedInterpolants, 13 QuantifiedInterpolants, 34026 SizeOfPredicates, 33 NumberOfNonLiveVariables, 690 ConjunctsInSsa, 146 ConjunctsInUnsatCore, 16 InterpolantComputations, 8 PerfectInterpolantSequences, 6/40 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_cbzero-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-11_15-12-36-367.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-11_15-12-36-367.csv Received shutdown request...