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 -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/array-memsafety/openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8168ed2-m [2018-04-11 20:45:40,001 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 20:45:40,003 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 20:45:40,018 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 20:45:40,018 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 20:45:40,019 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 20:45:40,020 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 20:45:40,022 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 20:45:40,024 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 20:45:40,025 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 20:45:40,026 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 20:45:40,026 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 20:45:40,027 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 20:45:40,028 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 20:45:40,029 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 20:45:40,031 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 20:45:40,034 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 20:45:40,035 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 20:45:40,037 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 20:45:40,038 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 20:45:40,040 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-11 20:45:40,040 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-11 20:45:40,041 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-11 20:45:40,042 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-11 20:45:40,042 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-11 20:45:40,044 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-11 20:45:40,044 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-11 20:45:40,045 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-11 20:45:40,045 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-11 20:45:40,046 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-11 20:45:40,046 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-11 20:45:40,047 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf [2018-04-11 20:45:40,070 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 20:45:40,071 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 20:45:40,071 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-04-11 20:45:40,071 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-04-11 20:45:40,072 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-04-11 20:45:40,072 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-04-11 20:45:40,072 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-04-11 20:45:40,073 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-04-11 20:45:40,073 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-04-11 20:45:40,073 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-04-11 20:45:40,073 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-04-11 20:45:40,073 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-04-11 20:45:40,074 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 20:45:40,074 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 20:45:40,074 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 20:45:40,074 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 20:45:40,074 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 20:45:40,075 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 20:45:40,075 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 20:45:40,075 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-04-11 20:45:40,075 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 20:45:40,075 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 20:45:40,076 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 20:45:40,076 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-04-11 20:45:40,076 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-04-11 20:45:40,076 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 20:45:40,076 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 20:45:40,077 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 20:45:40,077 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-11 20:45:40,077 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-11 20:45:40,077 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-04-11 20:45:40,077 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-04-11 20:45:40,077 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 20:45:40,078 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-04-11 20:45:40,078 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-04-11 20:45:40,079 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-04-11 20:45:40,079 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-04-11 20:45:40,079 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-04-11 20:45:40,113 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 20:45:40,129 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 20:45:40,135 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 20:45:40,138 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 20:45:40,139 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 20:45:40,139 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,450 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG1d7962643 [2018-04-11 20:45:40,626 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 20:45:40,626 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 20:45:40,626 INFO L168 CDTParser]: Scanning openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,638 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 20:45:40,638 INFO L215 ultiparseSymbolTable]: [2018-04-11 20:45:40,638 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 20:45:40,638 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp ('cstrncmp') in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,638 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_32 ('__bswap_32') in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,639 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,639 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_64 ('__bswap_64') in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,639 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 20:45:40,639 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____ino64_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,639 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__u_long in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,639 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____gid_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,639 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____fsid_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,640 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____pid_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,640 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____ino_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,640 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____quad_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,640 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____syscall_slong_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,640 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____loff_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,640 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__daddr_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,640 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_cond_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,641 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__int64_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,641 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____uint16_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,641 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__fsid_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,641 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____int16_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,641 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____WAIT_STATUS in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,641 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____blkcnt_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,641 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____clock_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,641 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____clockid_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,642 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____daddr_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,642 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____uint8_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,642 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____key_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,642 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__u_int16_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,642 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__blkcnt_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,642 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__u_char in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,642 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__quad_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,643 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____pthread_list_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,643 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_barrierattr_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,643 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__loff_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,643 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__wchar_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,643 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____useconds_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,643 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__u_quad_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,643 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__ushort in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,643 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____u_quad_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,643 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____int64_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,643 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_barrier_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,643 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____caddr_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,644 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__blksize_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,644 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_attr_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,644 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____qaddr_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,644 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____blksize_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,644 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__lldiv_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,644 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____dev_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,644 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__int16_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,644 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__uid_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,644 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____uint32_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,644 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_condattr_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,644 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____rlim64_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,645 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__div_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,645 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_once_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,645 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____u_long in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,645 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__ulong in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,645 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__mode_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,645 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____int8_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,645 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_spinlock_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,645 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__u_short in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,645 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____sigset_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,645 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__caddr_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,645 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__suseconds_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,645 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__fd_set in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,646 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__clock_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,646 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____u_short in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,646 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__gid_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,646 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__pid_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,646 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____intptr_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,646 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____mode_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,646 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____time_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,646 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____timer_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,646 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__int8_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,647 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_mutexattr_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,647 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____fsfilcnt_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,647 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____socklen_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,647 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____ssize_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,647 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__size_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,647 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____suseconds_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,647 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__register_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,647 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__time_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,647 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__off_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,647 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__u_int in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,648 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____fsfilcnt64_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,648 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_mutex_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,648 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____fsblkcnt64_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,648 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__u_int64_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,648 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____rlim_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,648 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__ino_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,648 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__ldiv_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,648 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_key_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,648 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____off64_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,648 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____fd_mask in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,649 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____u_char in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,649 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____fsblkcnt_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,649 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____sig_atomic_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,649 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__u_int32_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,649 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_rwlock_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,649 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____u_int in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,649 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__u_int8_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,649 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__id_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,649 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,649 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__dev_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,650 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__fsblkcnt_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,650 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____syscall_ulong_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,650 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____id_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,650 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____int32_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,650 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__clockid_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,650 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__sigset_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,650 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____nlink_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,651 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__timer_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,651 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__key_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,651 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__ssize_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,651 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__fd_mask in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,651 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____uint64_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,651 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__int32_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,651 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__uint in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,651 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__nlink_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,651 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__fsfilcnt_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,651 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____uid_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,652 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____off_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,652 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____blkcnt64_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,652 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____fsword_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,652 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:40,668 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG1d7962643 [2018-04-11 20:45:40,673 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 20:45:40,676 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 20:45:40,677 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 20:45:40,677 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 20:45:40,684 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 20:45:40,685 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 08:45:40" (1/1) ... [2018-04-11 20:45:40,688 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36703723 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:45:40, skipping insertion in model container [2018-04-11 20:45:40,688 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 08:45:40" (1/1) ... [2018-04-11 20:45:40,709 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 20:45:40,738 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 20:45:40,897 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 20:45:40,947 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 20:45:40,954 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-11 20:45:40,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:45:40 WrapperNode [2018-04-11 20:45:40,997 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 20:45:40,998 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 20:45:40,998 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 20:45:40,998 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 20:45:41,013 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:45:40" (1/1) ... [2018-04-11 20:45:41,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:45:40" (1/1) ... [2018-04-11 20:45:41,030 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:45:40" (1/1) ... [2018-04-11 20:45:41,031 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:45:40" (1/1) ... [2018-04-11 20:45:41,041 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:45:40" (1/1) ... [2018-04-11 20:45:41,048 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:45:40" (1/1) ... [2018-04-11 20:45:41,050 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:45:40" (1/1) ... [2018-04-11 20:45:41,056 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 20:45:41,056 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 20:45:41,056 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 20:45:41,057 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 20:45:41,058 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:45:40" (1/1) ... No working directory specified, using /storage/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 20:45:41,180 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 20:45:41,181 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 20:45:41,181 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-11 20:45:41,181 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-11 20:45:41,181 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp [2018-04-11 20:45:41,181 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 20:45:41,181 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-11 20:45:41,181 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-11 20:45:41,181 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 20:45:41,181 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 20:45:41,182 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 20:45:41,182 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 20:45:41,182 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 20:45:41,182 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 20:45:41,182 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 20:45:41,182 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 20:45:41,182 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 20:45:41,182 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 20:45:41,182 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 20:45:41,182 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 20:45:41,183 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 20:45:41,183 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 20:45:41,183 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 20:45:41,183 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 20:45:41,183 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 20:45:41,183 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 20:45:41,183 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 20:45:41,183 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 20:45:41,183 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 20:45:41,183 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 20:45:41,184 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 20:45:41,184 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 20:45:41,184 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 20:45:41,184 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 20:45:41,184 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 20:45:41,184 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 20:45:41,184 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 20:45:41,184 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 20:45:41,184 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 20:45:41,185 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 20:45:41,185 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 20:45:41,185 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 20:45:41,185 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 20:45:41,185 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 20:45:41,185 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 20:45:41,185 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 20:45:41,185 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 20:45:41,186 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 20:45:41,186 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 20:45:41,186 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 20:45:41,186 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 20:45:41,186 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 20:45:41,186 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 20:45:41,186 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 20:45:41,186 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 20:45:41,187 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 20:45:41,187 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 20:45:41,187 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 20:45:41,187 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 20:45:41,187 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 20:45:41,187 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 20:45:41,187 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 20:45:41,187 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 20:45:41,188 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 20:45:41,188 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 20:45:41,188 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 20:45:41,188 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 20:45:41,188 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 20:45:41,188 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 20:45:41,188 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-11 20:45:41,188 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 20:45:41,189 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 20:45:41,189 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 20:45:41,189 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 20:45:41,189 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 20:45:41,189 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 20:45:41,189 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 20:45:41,189 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 20:45:41,189 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 20:45:41,189 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 20:45:41,190 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 20:45:41,190 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 20:45:41,190 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 20:45:41,190 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 20:45:41,190 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 20:45:41,190 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 20:45:41,190 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 20:45:41,191 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 20:45:41,191 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 20:45:41,191 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 20:45:41,191 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 20:45:41,191 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 20:45:41,191 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 20:45:41,191 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 20:45:41,191 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 20:45:41,192 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 20:45:41,192 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 20:45:41,192 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 20:45:41,192 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 20:45:41,192 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 20:45:41,192 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 20:45:41,192 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 20:45:41,192 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 20:45:41,193 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 20:45:41,193 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 20:45:41,193 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 20:45:41,193 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 20:45:41,193 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 20:45:41,193 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-11 20:45:41,193 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp [2018-04-11 20:45:41,193 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-11 20:45:41,194 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 20:45:41,194 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 20:45:41,194 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-11 20:45:41,194 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 20:45:41,194 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 20:45:41,194 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 20:45:41,194 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-11 20:45:41,596 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 20:45:41,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 08:45:41 BoogieIcfgContainer [2018-04-11 20:45:41,597 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 20:45:41,598 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 20:45:41,598 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 20:45:41,601 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 20:45:41,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 08:45:40" (1/3) ... [2018-04-11 20:45:41,603 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b41d7b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 08:45:41, skipping insertion in model container [2018-04-11 20:45:41,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:45:40" (2/3) ... [2018-04-11 20:45:41,603 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b41d7b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 08:45:41, skipping insertion in model container [2018-04-11 20:45:41,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 08:45:41" (3/3) ... [2018-04-11 20:45:41,605 INFO L107 eAbstractionObserver]: Analyzing ICFG openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:45:41,615 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-11 20:45:41,623 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2018-04-11 20:45:41,668 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 20:45:41,669 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 20:45:41,669 INFO L370 AbstractCegarLoop]: Hoare is true [2018-04-11 20:45:41,669 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-11 20:45:41,669 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-11 20:45:41,669 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 20:45:41,669 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 20:45:41,669 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 20:45:41,669 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 20:45:41,670 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 20:45:41,682 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states. [2018-04-11 20:45:41,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-11 20:45:41,687 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:45:41,688 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:45:41,688 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-11 20:45:41,691 INFO L82 PathProgramCache]: Analyzing trace with hash 1532505966, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 20:45:41,703 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:45:41,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:45:41,743 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:45:41,784 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 20:45:41,785 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:45:41,790 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:45:41,790 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-11 20:45:41,816 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-11 20:45:41,817 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:45:41,825 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 20:45:41,825 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2018-04-11 20:45:41,841 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 20:45:41,841 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:45:41,880 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 20:45:41,904 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:45:41,905 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-11 20:45:41,906 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 20:45:41,916 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 20:45:41,917 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 20:45:41,919 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 4 states. [2018-04-11 20:45:42,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:45:42,001 INFO L93 Difference]: Finished difference Result 108 states and 113 transitions. [2018-04-11 20:45:42,001 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 20:45:42,002 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2018-04-11 20:45:42,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:45:42,010 INFO L225 Difference]: With dead ends: 108 [2018-04-11 20:45:42,010 INFO L226 Difference]: Without dead ends: 88 [2018-04-11 20:45:42,013 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 33 SyntacticMatches, 2 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 20:45:42,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2018-04-11 20:45:42,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2018-04-11 20:45:42,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2018-04-11 20:45:42,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 93 transitions. [2018-04-11 20:45:42,053 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 93 transitions. Word has length 19 [2018-04-11 20:45:42,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:45:42,054 INFO L459 AbstractCegarLoop]: Abstraction has 88 states and 93 transitions. [2018-04-11 20:45:42,054 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 20:45:42,054 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 93 transitions. [2018-04-11 20:45:42,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-11 20:45:42,054 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:45:42,055 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:45:42,055 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-11 20:45:42,055 INFO L82 PathProgramCache]: Analyzing trace with hash 1532505967, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 20:45:42,062 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:45:42,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:45:42,081 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:45:42,096 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 20:45:42,096 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:45:42,103 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 20:45:42,103 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:45:42,112 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:45:42,112 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:19, output treesize:17 [2018-04-11 20:45:42,150 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 20:45:42,153 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 20:45:42,154 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-11 20:45:42,155 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:45:42,170 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-04-11 20:45:42,171 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:45:42,182 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:45:42,183 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:28, output treesize:12 [2018-04-11 20:45:42,197 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 20:45:42,197 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:45:44,279 WARN L148 SmtUtils]: Spent 2044ms on a formula simplification that was a NOOP. DAG size: 26 [2018-04-11 20:45:44,315 INFO L267 ElimStorePlain]: Start of recursive call 1: End of recursive call: and 1 xjuncts. [2018-04-11 20:45:44,315 INFO L202 ElimStorePlain]: Needed 1 recursive calls to eliminate 5 variables, input treesize:25, output treesize:3 [2018-04-11 20:45:44,321 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 20:45:44,340 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:45:44,340 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2018-04-11 20:45:44,342 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-11 20:45:44,342 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-11 20:45:44,342 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-04-11 20:45:44,342 INFO L87 Difference]: Start difference. First operand 88 states and 93 transitions. Second operand 9 states. [2018-04-11 20:45:44,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:45:44,557 INFO L93 Difference]: Finished difference Result 88 states and 93 transitions. [2018-04-11 20:45:44,557 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 20:45:44,557 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2018-04-11 20:45:44,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:45:44,559 INFO L225 Difference]: With dead ends: 88 [2018-04-11 20:45:44,559 INFO L226 Difference]: Without dead ends: 87 [2018-04-11 20:45:44,560 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-04-11 20:45:44,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-04-11 20:45:44,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2018-04-11 20:45:44,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-04-11 20:45:44,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 92 transitions. [2018-04-11 20:45:44,570 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 92 transitions. Word has length 19 [2018-04-11 20:45:44,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:45:44,570 INFO L459 AbstractCegarLoop]: Abstraction has 87 states and 92 transitions. [2018-04-11 20:45:44,570 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-11 20:45:44,570 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 92 transitions. [2018-04-11 20:45:44,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-11 20:45:44,571 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:45:44,571 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] [2018-04-11 20:45:44,571 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-11 20:45:44,572 INFO L82 PathProgramCache]: Analyzing trace with hash 263044694, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 20:45:44,578 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:45:44,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:45:44,592 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:45:44,596 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 20:45:44,596 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:45:44,597 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:45:44,598 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-11 20:45:44,617 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 20:45:44,617 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:45:44,622 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 20:45:44,643 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:45:44,644 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-11 20:45:44,644 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 20:45:44,644 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 20:45:44,645 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 20:45:44,645 INFO L87 Difference]: Start difference. First operand 87 states and 92 transitions. Second operand 4 states. [2018-04-11 20:45:44,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:45:44,688 INFO L93 Difference]: Finished difference Result 87 states and 92 transitions. [2018-04-11 20:45:44,688 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 20:45:44,688 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-04-11 20:45:44,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:45:44,690 INFO L225 Difference]: With dead ends: 87 [2018-04-11 20:45:44,690 INFO L226 Difference]: Without dead ends: 86 [2018-04-11 20:45:44,690 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 37 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 20:45:44,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2018-04-11 20:45:44,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2018-04-11 20:45:44,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-04-11 20:45:44,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 91 transitions. [2018-04-11 20:45:44,696 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 91 transitions. Word has length 20 [2018-04-11 20:45:44,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:45:44,697 INFO L459 AbstractCegarLoop]: Abstraction has 86 states and 91 transitions. [2018-04-11 20:45:44,697 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 20:45:44,697 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 91 transitions. [2018-04-11 20:45:44,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-11 20:45:44,697 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:45:44,697 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] [2018-04-11 20:45:44,697 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-11 20:45:44,698 INFO L82 PathProgramCache]: Analyzing trace with hash 263044695, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 20:45:44,704 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:45:44,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:45:44,721 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:45:44,730 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 20:45:44,731 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:45:44,737 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:45:44,737 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-04-11 20:45:44,767 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 20:45:44,767 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:45:44,789 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 20:45:44,809 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:45:44,809 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2018-04-11 20:45:44,809 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-11 20:45:44,809 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-11 20:45:44,810 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-04-11 20:45:44,810 INFO L87 Difference]: Start difference. First operand 86 states and 91 transitions. Second operand 7 states. [2018-04-11 20:45:44,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:45:44,888 INFO L93 Difference]: Finished difference Result 86 states and 91 transitions. [2018-04-11 20:45:44,891 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 20:45:44,891 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-04-11 20:45:44,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:45:44,892 INFO L225 Difference]: With dead ends: 86 [2018-04-11 20:45:44,892 INFO L226 Difference]: Without dead ends: 85 [2018-04-11 20:45:44,892 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-04-11 20:45:44,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-04-11 20:45:44,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2018-04-11 20:45:44,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-04-11 20:45:44,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 90 transitions. [2018-04-11 20:45:44,897 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 90 transitions. Word has length 20 [2018-04-11 20:45:44,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:45:44,898 INFO L459 AbstractCegarLoop]: Abstraction has 85 states and 90 transitions. [2018-04-11 20:45:44,898 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-11 20:45:44,898 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 90 transitions. [2018-04-11 20:45:44,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-11 20:45:44,898 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:45:44,899 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:45:44,899 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-11 20:45:44,899 INFO L82 PathProgramCache]: Analyzing trace with hash -1342074601, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 20:45:44,905 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:45:44,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:45:44,920 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:45:44,936 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 20:45:44,936 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:45:44,940 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 20:45:44,960 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:45:44,960 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2018-04-11 20:45:44,960 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 20:45:44,960 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 20:45:44,960 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 20:45:44,961 INFO L87 Difference]: Start difference. First operand 85 states and 90 transitions. Second operand 5 states. [2018-04-11 20:45:45,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:45:45,030 INFO L93 Difference]: Finished difference Result 91 states and 96 transitions. [2018-04-11 20:45:45,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 20:45:45,031 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2018-04-11 20:45:45,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:45:45,036 INFO L225 Difference]: With dead ends: 91 [2018-04-11 20:45:45,036 INFO L226 Difference]: Without dead ends: 89 [2018-04-11 20:45:45,036 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-11 20:45:45,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2018-04-11 20:45:45,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 86. [2018-04-11 20:45:45,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-04-11 20:45:45,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 92 transitions. [2018-04-11 20:45:45,041 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 92 transitions. Word has length 28 [2018-04-11 20:45:45,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:45:45,042 INFO L459 AbstractCegarLoop]: Abstraction has 86 states and 92 transitions. [2018-04-11 20:45:45,042 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 20:45:45,042 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 92 transitions. [2018-04-11 20:45:45,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-11 20:45:45,042 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:45:45,043 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:45:45,043 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-11 20:45:45,043 INFO L82 PathProgramCache]: Analyzing trace with hash -1342074600, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 20:45:45,049 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:45:45,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:45:45,067 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:45:45,126 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 20:45:45,127 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:45:45,134 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-04-11 20:45:45,135 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:45:45,143 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 10 [2018-04-11 20:45:45,144 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:45:45,146 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 20:45:45,146 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2018-04-11 20:45:45,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:45:45,183 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:45:45,183 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2018-04-11 20:45:45,184 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-11 20:45:45,184 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-11 20:45:45,184 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-04-11 20:45:45,184 INFO L87 Difference]: Start difference. First operand 86 states and 92 transitions. Second operand 8 states. [2018-04-11 20:45:45,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:45:45,323 INFO L93 Difference]: Finished difference Result 89 states and 94 transitions. [2018-04-11 20:45:45,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-11 20:45:45,323 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2018-04-11 20:45:45,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:45:45,324 INFO L225 Difference]: With dead ends: 89 [2018-04-11 20:45:45,324 INFO L226 Difference]: Without dead ends: 87 [2018-04-11 20:45:45,325 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 47 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2018-04-11 20:45:45,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-04-11 20:45:45,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 85. [2018-04-11 20:45:45,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-04-11 20:45:45,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 90 transitions. [2018-04-11 20:45:45,332 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 90 transitions. Word has length 28 [2018-04-11 20:45:45,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:45:45,333 INFO L459 AbstractCegarLoop]: Abstraction has 85 states and 90 transitions. [2018-04-11 20:45:45,333 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-11 20:45:45,333 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 90 transitions. [2018-04-11 20:45:45,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-04-11 20:45:45,334 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:45:45,334 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:45:45,334 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-11 20:45:45,334 INFO L82 PathProgramCache]: Analyzing trace with hash 106153868, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 20:45:45,342 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:45:45,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:45:45,359 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:45:45,375 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 20:45:45,376 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:45:45,380 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 20:45:45,400 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:45:45,400 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2018-04-11 20:45:45,400 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 20:45:45,400 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 20:45:45,401 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-11 20:45:45,401 INFO L87 Difference]: Start difference. First operand 85 states and 90 transitions. Second operand 6 states. [2018-04-11 20:45:45,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:45:45,466 INFO L93 Difference]: Finished difference Result 85 states and 90 transitions. [2018-04-11 20:45:45,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 20:45:45,467 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2018-04-11 20:45:45,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:45:45,468 INFO L225 Difference]: With dead ends: 85 [2018-04-11 20:45:45,468 INFO L226 Difference]: Without dead ends: 84 [2018-04-11 20:45:45,468 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-04-11 20:45:45,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2018-04-11 20:45:45,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2018-04-11 20:45:45,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2018-04-11 20:45:45,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 89 transitions. [2018-04-11 20:45:45,474 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 89 transitions. Word has length 31 [2018-04-11 20:45:45,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:45:45,475 INFO L459 AbstractCegarLoop]: Abstraction has 84 states and 89 transitions. [2018-04-11 20:45:45,475 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 20:45:45,475 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 89 transitions. [2018-04-11 20:45:45,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-04-11 20:45:45,476 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:45:45,476 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:45:45,476 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-11 20:45:45,476 INFO L82 PathProgramCache]: Analyzing trace with hash 106153869, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 20:45:45,485 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:45:45,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:45:45,510 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:45:45,582 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 20:45:45,583 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:45:45,590 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 10 [2018-04-11 20:45:45,591 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:45:45,597 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-04-11 20:45:45,598 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:45:45,601 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 20:45:45,601 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2018-04-11 20:45:45,613 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 20:45:45,634 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:45:45,634 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2018-04-11 20:45:45,634 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-11 20:45:45,634 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-11 20:45:45,634 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-04-11 20:45:45,635 INFO L87 Difference]: Start difference. First operand 84 states and 89 transitions. Second operand 9 states. [2018-04-11 20:45:45,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:45:45,749 INFO L93 Difference]: Finished difference Result 90 states and 95 transitions. [2018-04-11 20:45:45,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-11 20:45:45,749 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 31 [2018-04-11 20:45:45,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:45:45,750 INFO L225 Difference]: With dead ends: 90 [2018-04-11 20:45:45,750 INFO L226 Difference]: Without dead ends: 89 [2018-04-11 20:45:45,750 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 52 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2018-04-11 20:45:45,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2018-04-11 20:45:45,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2018-04-11 20:45:45,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-04-11 20:45:45,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 92 transitions. [2018-04-11 20:45:45,757 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 92 transitions. Word has length 31 [2018-04-11 20:45:45,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:45:45,757 INFO L459 AbstractCegarLoop]: Abstraction has 87 states and 92 transitions. [2018-04-11 20:45:45,758 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-11 20:45:45,758 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 92 transitions. [2018-04-11 20:45:45,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-04-11 20:45:45,759 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:45:45,759 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:45:45,759 INFO L408 AbstractCegarLoop]: === Iteration 9 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-11 20:45:45,759 INFO L82 PathProgramCache]: Analyzing trace with hash 692849183, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 20:45:45,768 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:45:45,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:45:45,788 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:45:45,821 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 20:45:45,822 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2018-04-11 20:45:45,824 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 20:45:45,825 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-04-11 20:45:45,825 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:45:45,830 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:45:45,834 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-11 20:45:45,834 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-04-11 20:45:45,863 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc13.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc13.base| 1))) (and (= (select .cse0 |c_main_#t~malloc14.base|) 0) (= 0 (select |c_old(#valid)| |main_#t~malloc13.base|)) (= |c_#valid| (store (store .cse0 |c_main_#t~malloc14.base| 1) |main_#t~malloc13.base| 0))))) is different from true [2018-04-11 20:45:45,868 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc13.base| Int) (|main_#t~malloc14.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc13.base| 1))) (and (= (select .cse0 |main_#t~malloc14.base|) 0) (= 0 (select |c_old(#valid)| |main_#t~malloc13.base|)) (= |c_#valid| (store (store (store .cse0 |main_#t~malloc14.base| 1) |main_#t~malloc13.base| 0) |main_#t~malloc14.base| 0))))) is different from true [2018-04-11 20:45:45,872 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 20:45:45,872 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:45:45,896 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc14.base_12| Int)) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc14.base_12|))) (= (store (store (store |c_#valid| |v_main_#t~malloc14.base_12| 1) |c_main_#t~malloc13.base| 0) |v_main_#t~malloc14.base_12| 0) |c_old(#valid)|))) is different from false [2018-04-11 20:45:45,904 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc14.base_12| Int) (|v_main_#t~malloc13.base_11| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc13.base_11| 1))) (or (not (= (select .cse0 |v_main_#t~malloc14.base_12|) 0)) (= |c_old(#valid)| (store (store (store .cse0 |v_main_#t~malloc14.base_12| 1) |v_main_#t~malloc13.base_11| 0) |v_main_#t~malloc14.base_12| 0)) (not (= 0 (select |c_#valid| |v_main_#t~malloc13.base_11|)))))) is different from false [2018-04-11 20:45:45,931 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 20:45:45,964 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:45:45,964 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2018-04-11 20:45:45,964 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-11 20:45:45,964 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-11 20:45:45,964 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=45, Unknown=4, NotChecked=60, Total=132 [2018-04-11 20:45:45,965 INFO L87 Difference]: Start difference. First operand 87 states and 92 transitions. Second operand 12 states. [2018-04-11 20:45:45,977 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc14.base_12| Int) (|v_main_#t~malloc13.base_11| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc13.base_11| 1))) (or (not (= (select .cse0 |v_main_#t~malloc14.base_12|) 0)) (= |c_old(#valid)| (store (store (store .cse0 |v_main_#t~malloc14.base_12| 1) |v_main_#t~malloc13.base_11| 0) |v_main_#t~malloc14.base_12| 0)) (not (= 0 (select |c_#valid| |v_main_#t~malloc13.base_11|))))))) is different from false [2018-04-11 20:45:46,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:45:46,432 INFO L93 Difference]: Finished difference Result 159 states and 168 transitions. [2018-04-11 20:45:46,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-11 20:45:46,432 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 38 [2018-04-11 20:45:46,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:45:46,433 INFO L225 Difference]: With dead ends: 159 [2018-04-11 20:45:46,433 INFO L226 Difference]: Without dead ends: 138 [2018-04-11 20:45:46,434 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 65 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=125, Unknown=6, NotChecked=130, Total=306 [2018-04-11 20:45:46,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-04-11 20:45:46,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 131. [2018-04-11 20:45:46,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-04-11 20:45:46,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 144 transitions. [2018-04-11 20:45:46,444 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 144 transitions. Word has length 38 [2018-04-11 20:45:46,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:45:46,445 INFO L459 AbstractCegarLoop]: Abstraction has 131 states and 144 transitions. [2018-04-11 20:45:46,445 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-11 20:45:46,445 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 144 transitions. [2018-04-11 20:45:46,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-04-11 20:45:46,447 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:45:46,447 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:45:46,447 INFO L408 AbstractCegarLoop]: === Iteration 10 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-11 20:45:46,447 INFO L82 PathProgramCache]: Analyzing trace with hash -857029072, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 20:45:46,455 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:45:46,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:45:46,478 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:45:46,508 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 20:45:46,508 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:45:46,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:45:46,544 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:45:46,544 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2018-04-11 20:45:46,544 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 20:45:46,544 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 20:45:46,544 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-11 20:45:46,545 INFO L87 Difference]: Start difference. First operand 131 states and 144 transitions. Second operand 6 states. [2018-04-11 20:45:46,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:45:46,616 INFO L93 Difference]: Finished difference Result 131 states and 144 transitions. [2018-04-11 20:45:46,617 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 20:45:46,617 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 38 [2018-04-11 20:45:46,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:45:46,618 INFO L225 Difference]: With dead ends: 131 [2018-04-11 20:45:46,618 INFO L226 Difference]: Without dead ends: 129 [2018-04-11 20:45:46,618 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-04-11 20:45:46,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-04-11 20:45:46,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2018-04-11 20:45:46,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-04-11 20:45:46,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 140 transitions. [2018-04-11 20:45:46,625 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 140 transitions. Word has length 38 [2018-04-11 20:45:46,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:45:46,626 INFO L459 AbstractCegarLoop]: Abstraction has 129 states and 140 transitions. [2018-04-11 20:45:46,626 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 20:45:46,626 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 140 transitions. [2018-04-11 20:45:46,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-04-11 20:45:46,627 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:45:46,627 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:45:46,627 INFO L408 AbstractCegarLoop]: === Iteration 11 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-11 20:45:46,628 INFO L82 PathProgramCache]: Analyzing trace with hash -857029071, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 20:45:46,643 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:45:46,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:45:46,663 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:45:46,740 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 20:45:46,740 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:45:46,842 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-04-11 20:45:46,843 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:45:46,844 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 20:45:46,844 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:9, output treesize:3 [2018-04-11 20:45:46,849 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 20:45:46,870 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:45:46,870 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 10 [2018-04-11 20:45:46,871 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-11 20:45:46,871 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-11 20:45:46,871 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2018-04-11 20:45:46,871 INFO L87 Difference]: Start difference. First operand 129 states and 140 transitions. Second operand 11 states. [2018-04-11 20:45:47,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:45:47,033 INFO L93 Difference]: Finished difference Result 133 states and 144 transitions. [2018-04-11 20:45:47,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-11 20:45:47,034 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 38 [2018-04-11 20:45:47,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:45:47,035 INFO L225 Difference]: With dead ends: 133 [2018-04-11 20:45:47,035 INFO L226 Difference]: Without dead ends: 132 [2018-04-11 20:45:47,036 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 65 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-04-11 20:45:47,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-04-11 20:45:47,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 128. [2018-04-11 20:45:47,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-04-11 20:45:47,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 138 transitions. [2018-04-11 20:45:47,045 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 138 transitions. Word has length 38 [2018-04-11 20:45:47,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:45:47,046 INFO L459 AbstractCegarLoop]: Abstraction has 128 states and 138 transitions. [2018-04-11 20:45:47,046 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-11 20:45:47,046 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 138 transitions. [2018-04-11 20:45:47,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-04-11 20:45:47,047 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:45:47,047 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:45:47,047 INFO L408 AbstractCegarLoop]: === Iteration 12 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-11 20:45:47,048 INFO L82 PathProgramCache]: Analyzing trace with hash 736459129, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 20:45:47,058 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:45:47,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:45:47,086 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:45:47,116 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 20:45:47,117 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 27 [2018-04-11 20:45:47,122 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2018-04-11 20:45:47,123 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:45:47,127 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:45:47,130 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-11 20:45:47,131 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-04-11 20:45:47,160 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc13.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc13.base| 1))) (and (= (select .cse0 |c_main_#t~malloc14.base|) 0) (= 0 (select |c_old(#valid)| |main_#t~malloc13.base|)) (= |c_#valid| (store (store .cse0 |c_main_#t~malloc14.base| 1) |main_#t~malloc13.base| 0))))) is different from true [2018-04-11 20:45:47,166 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc13.base| Int) (|main_#t~malloc14.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc13.base| 1))) (and (= (select .cse0 |main_#t~malloc14.base|) 0) (= 0 (select |c_old(#valid)| |main_#t~malloc13.base|)) (= |c_#valid| (store (store (store .cse0 |main_#t~malloc14.base| 1) |main_#t~malloc13.base| 0) |main_#t~malloc14.base| 0))))) is different from true [2018-04-11 20:45:47,171 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 20:45:47,172 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:45:47,197 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc14.base_15| Int)) (or (= |c_old(#valid)| (store (store (store |c_#valid| |v_main_#t~malloc14.base_15| 1) |c_main_#t~malloc13.base| 0) |v_main_#t~malloc14.base_15| 0)) (not (= (select |c_#valid| |v_main_#t~malloc14.base_15|) 0)))) is different from false [2018-04-11 20:45:47,201 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc13.base_14| Int) (|v_main_#t~malloc14.base_15| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc13.base_14| 1))) (or (not (= (select .cse0 |v_main_#t~malloc14.base_15|) 0)) (= (store (store (store .cse0 |v_main_#t~malloc14.base_15| 1) |v_main_#t~malloc13.base_14| 0) |v_main_#t~malloc14.base_15| 0) |c_old(#valid)|) (not (= (select |c_#valid| |v_main_#t~malloc13.base_14|) 0))))) is different from false [2018-04-11 20:45:47,214 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 20:45:47,234 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:45:47,234 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2018-04-11 20:45:47,235 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-11 20:45:47,235 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-11 20:45:47,235 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=45, Unknown=4, NotChecked=60, Total=132 [2018-04-11 20:45:47,235 INFO L87 Difference]: Start difference. First operand 128 states and 138 transitions. Second operand 12 states. [2018-04-11 20:45:47,247 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc13.base_14| Int) (|v_main_#t~malloc14.base_15| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc13.base_14| 1))) (or (not (= (select .cse0 |v_main_#t~malloc14.base_15|) 0)) (= (store (store (store .cse0 |v_main_#t~malloc14.base_15| 1) |v_main_#t~malloc13.base_14| 0) |v_main_#t~malloc14.base_15| 0) |c_old(#valid)|) (not (= (select |c_#valid| |v_main_#t~malloc13.base_14|) 0)))))) is different from false [2018-04-11 20:45:47,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:45:47,629 INFO L93 Difference]: Finished difference Result 197 states and 210 transitions. [2018-04-11 20:45:47,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-11 20:45:47,637 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 39 [2018-04-11 20:45:47,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:45:47,638 INFO L225 Difference]: With dead ends: 197 [2018-04-11 20:45:47,638 INFO L226 Difference]: Without dead ends: 176 [2018-04-11 20:45:47,639 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 67 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=125, Unknown=6, NotChecked=130, Total=306 [2018-04-11 20:45:47,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2018-04-11 20:45:47,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 129. [2018-04-11 20:45:47,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-04-11 20:45:47,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 139 transitions. [2018-04-11 20:45:47,646 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 139 transitions. Word has length 39 [2018-04-11 20:45:47,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:45:47,647 INFO L459 AbstractCegarLoop]: Abstraction has 129 states and 139 transitions. [2018-04-11 20:45:47,647 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-11 20:45:47,647 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 139 transitions. [2018-04-11 20:45:47,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-04-11 20:45:47,647 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:45:47,648 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:45:47,648 INFO L408 AbstractCegarLoop]: === Iteration 13 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-11 20:45:47,648 INFO L82 PathProgramCache]: Analyzing trace with hash -406781998, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 20:45:47,658 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:45:47,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:45:47,677 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:45:47,698 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 20:45:47,698 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:45:47,703 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 20:45:47,723 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:45:47,723 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2018-04-11 20:45:47,724 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-11 20:45:47,724 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-11 20:45:47,724 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-04-11 20:45:47,724 INFO L87 Difference]: Start difference. First operand 129 states and 139 transitions. Second operand 7 states. [2018-04-11 20:45:47,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:45:47,807 INFO L93 Difference]: Finished difference Result 129 states and 139 transitions. [2018-04-11 20:45:47,807 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-11 20:45:47,807 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 39 [2018-04-11 20:45:47,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:45:47,808 INFO L225 Difference]: With dead ends: 129 [2018-04-11 20:45:47,808 INFO L226 Difference]: Without dead ends: 128 [2018-04-11 20:45:47,809 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-04-11 20:45:47,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-04-11 20:45:47,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2018-04-11 20:45:47,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-04-11 20:45:47,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 137 transitions. [2018-04-11 20:45:47,818 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 137 transitions. Word has length 39 [2018-04-11 20:45:47,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:45:47,818 INFO L459 AbstractCegarLoop]: Abstraction has 128 states and 137 transitions. [2018-04-11 20:45:47,819 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-11 20:45:47,819 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 137 transitions. [2018-04-11 20:45:47,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-04-11 20:45:47,819 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:45:47,819 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:45:47,820 INFO L408 AbstractCegarLoop]: === Iteration 14 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-11 20:45:47,820 INFO L82 PathProgramCache]: Analyzing trace with hash -406781997, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 20:45:47,827 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:45:47,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:45:47,852 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:45:47,919 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 20:45:47,919 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:45:47,988 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-04-11 20:45:47,989 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:45:47,990 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 20:45:47,990 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:9, output treesize:3 [2018-04-11 20:45:47,995 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 20:45:48,016 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:45:48,017 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 14 [2018-04-11 20:45:48,017 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-11 20:45:48,017 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-11 20:45:48,017 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2018-04-11 20:45:48,018 INFO L87 Difference]: Start difference. First operand 128 states and 137 transitions. Second operand 15 states. [2018-04-11 20:45:48,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:45:48,258 INFO L93 Difference]: Finished difference Result 192 states and 206 transitions. [2018-04-11 20:45:48,258 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-11 20:45:48,258 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 39 [2018-04-11 20:45:48,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:45:48,259 INFO L225 Difference]: With dead ends: 192 [2018-04-11 20:45:48,259 INFO L226 Difference]: Without dead ends: 184 [2018-04-11 20:45:48,260 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 63 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=110, Invalid=490, Unknown=0, NotChecked=0, Total=600 [2018-04-11 20:45:48,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2018-04-11 20:45:48,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 137. [2018-04-11 20:45:48,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-04-11 20:45:48,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 147 transitions. [2018-04-11 20:45:48,270 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 147 transitions. Word has length 39 [2018-04-11 20:45:48,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:45:48,270 INFO L459 AbstractCegarLoop]: Abstraction has 137 states and 147 transitions. [2018-04-11 20:45:48,270 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-11 20:45:48,271 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 147 transitions. [2018-04-11 20:45:48,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-04-11 20:45:48,271 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:45:48,271 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:45:48,272 INFO L408 AbstractCegarLoop]: === Iteration 15 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-11 20:45:48,272 INFO L82 PathProgramCache]: Analyzing trace with hash 2101014142, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 20:45:48,279 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:45:48,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:45:48,294 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:45:48,319 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 20:45:48,320 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 27 [2018-04-11 20:45:48,323 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2018-04-11 20:45:48,323 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:45:48,326 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:45:48,334 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-11 20:45:48,335 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-04-11 20:45:48,355 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc13.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc13.base| 1))) (and (= (select .cse0 |c_main_#t~malloc14.base|) 0) (= 0 (select |c_old(#valid)| |main_#t~malloc13.base|)) (= |c_#valid| (store (store .cse0 |c_main_#t~malloc14.base| 1) |main_#t~malloc13.base| 0))))) is different from true [2018-04-11 20:45:48,359 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc13.base| Int) (|main_#t~malloc14.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc13.base| 1))) (and (= (select .cse0 |main_#t~malloc14.base|) 0) (= 0 (select |c_old(#valid)| |main_#t~malloc13.base|)) (= |c_#valid| (store (store (store .cse0 |main_#t~malloc14.base| 1) |main_#t~malloc13.base| 0) |main_#t~malloc14.base| 0))))) is different from true [2018-04-11 20:45:48,364 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 20:45:48,364 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:45:48,380 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc14.base_18| Int)) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc14.base_18|))) (= (store (store (store |c_#valid| |v_main_#t~malloc14.base_18| 1) |c_main_#t~malloc13.base| 0) |v_main_#t~malloc14.base_18| 0) |c_old(#valid)|))) is different from false [2018-04-11 20:45:48,384 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc14.base_18| Int) (|v_main_#t~malloc13.base_17| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc13.base_17| 1))) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc13.base_17|))) (not (= 0 (select .cse0 |v_main_#t~malloc14.base_18|))) (= |c_old(#valid)| (store (store (store .cse0 |v_main_#t~malloc14.base_18| 1) |v_main_#t~malloc13.base_17| 0) |v_main_#t~malloc14.base_18| 0))))) is different from false [2018-04-11 20:45:48,396 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 20:45:48,429 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:45:48,429 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2018-04-11 20:45:48,429 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-11 20:45:48,429 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-11 20:45:48,429 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=45, Unknown=4, NotChecked=60, Total=132 [2018-04-11 20:45:48,429 INFO L87 Difference]: Start difference. First operand 137 states and 147 transitions. Second operand 12 states. [2018-04-11 20:45:48,442 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc14.base_18| Int) (|v_main_#t~malloc13.base_17| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc13.base_17| 1))) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc13.base_17|))) (not (= 0 (select .cse0 |v_main_#t~malloc14.base_18|))) (= |c_old(#valid)| (store (store (store .cse0 |v_main_#t~malloc14.base_18| 1) |v_main_#t~malloc13.base_17| 0) |v_main_#t~malloc14.base_18| 0)))))) is different from false [2018-04-11 20:45:48,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:45:48,837 INFO L93 Difference]: Finished difference Result 212 states and 226 transitions. [2018-04-11 20:45:48,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-11 20:45:48,838 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 39 [2018-04-11 20:45:48,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:45:48,839 INFO L225 Difference]: With dead ends: 212 [2018-04-11 20:45:48,839 INFO L226 Difference]: Without dead ends: 184 [2018-04-11 20:45:48,839 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 67 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=125, Unknown=6, NotChecked=130, Total=306 [2018-04-11 20:45:48,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2018-04-11 20:45:48,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 137. [2018-04-11 20:45:48,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-04-11 20:45:48,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 147 transitions. [2018-04-11 20:45:48,849 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 147 transitions. Word has length 39 [2018-04-11 20:45:48,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:45:48,849 INFO L459 AbstractCegarLoop]: Abstraction has 137 states and 147 transitions. [2018-04-11 20:45:48,849 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-11 20:45:48,849 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 147 transitions. [2018-04-11 20:45:48,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-04-11 20:45:48,849 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:45:48,849 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:45:48,849 INFO L408 AbstractCegarLoop]: === Iteration 16 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-11 20:45:48,850 INFO L82 PathProgramCache]: Analyzing trace with hash 1439899898, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 20:45:48,858 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:45:48,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:45:48,873 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:45:48,895 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 20:45:48,896 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 27 [2018-04-11 20:45:48,898 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2018-04-11 20:45:48,899 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:45:48,902 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:45:48,906 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-11 20:45:48,906 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-04-11 20:45:48,926 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc13.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc13.base| 1))) (and (= (select .cse0 |c_main_#t~malloc14.base|) 0) (= 0 (select |c_old(#valid)| |main_#t~malloc13.base|)) (= |c_#valid| (store (store .cse0 |c_main_#t~malloc14.base| 1) |main_#t~malloc13.base| 0))))) is different from true [2018-04-11 20:45:48,930 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc13.base| Int) (|main_#t~malloc14.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc13.base| 1))) (and (= (select .cse0 |main_#t~malloc14.base|) 0) (= 0 (select |c_old(#valid)| |main_#t~malloc13.base|)) (= |c_#valid| (store (store (store .cse0 |main_#t~malloc14.base| 1) |main_#t~malloc13.base| 0) |main_#t~malloc14.base| 0))))) is different from true [2018-04-11 20:45:48,934 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 20:45:48,934 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:45:48,955 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc14.base_20| Int)) (or (= (store (store (store |c_#valid| |v_main_#t~malloc14.base_20| 1) |c_main_#t~malloc13.base| 0) |v_main_#t~malloc14.base_20| 0) |c_old(#valid)|) (not (= 0 (select |c_#valid| |v_main_#t~malloc14.base_20|))))) is different from false [2018-04-11 20:45:48,958 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc14.base_20| Int) (|v_main_#t~malloc13.base_19| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc13.base_19| 1))) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc13.base_19|))) (not (= 0 (select .cse0 |v_main_#t~malloc14.base_20|))) (= |c_old(#valid)| (store (store (store .cse0 |v_main_#t~malloc14.base_20| 1) |v_main_#t~malloc13.base_19| 0) |v_main_#t~malloc14.base_20| 0))))) is different from false [2018-04-11 20:45:48,977 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 20:45:48,997 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:45:48,997 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2018-04-11 20:45:48,998 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-11 20:45:48,998 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-11 20:45:48,998 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=45, Unknown=4, NotChecked=60, Total=132 [2018-04-11 20:45:48,998 INFO L87 Difference]: Start difference. First operand 137 states and 147 transitions. Second operand 12 states. [2018-04-11 20:45:49,008 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc14.base_20| Int) (|v_main_#t~malloc13.base_19| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc13.base_19| 1))) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc13.base_19|))) (not (= 0 (select .cse0 |v_main_#t~malloc14.base_20|))) (= |c_old(#valid)| (store (store (store .cse0 |v_main_#t~malloc14.base_20| 1) |v_main_#t~malloc13.base_19| 0) |v_main_#t~malloc14.base_20| 0)))))) is different from false [2018-04-11 20:45:49,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:45:49,313 INFO L93 Difference]: Finished difference Result 140 states and 147 transitions. [2018-04-11 20:45:49,314 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-11 20:45:49,314 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 40 [2018-04-11 20:45:49,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:45:49,315 INFO L225 Difference]: With dead ends: 140 [2018-04-11 20:45:49,315 INFO L226 Difference]: Without dead ends: 112 [2018-04-11 20:45:49,315 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 69 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=125, Unknown=6, NotChecked=130, Total=306 [2018-04-11 20:45:49,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2018-04-11 20:45:49,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 63. [2018-04-11 20:45:49,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-04-11 20:45:49,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 65 transitions. [2018-04-11 20:45:49,322 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 65 transitions. Word has length 40 [2018-04-11 20:45:49,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:45:49,322 INFO L459 AbstractCegarLoop]: Abstraction has 63 states and 65 transitions. [2018-04-11 20:45:49,323 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-11 20:45:49,323 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 65 transitions. [2018-04-11 20:45:49,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-04-11 20:45:49,323 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:45:49,323 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:45:49,323 INFO L408 AbstractCegarLoop]: === Iteration 17 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-11 20:45:49,324 INFO L82 PathProgramCache]: Analyzing trace with hash -659574947, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 20:45:49,332 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:45:49,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:45:49,352 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:45:49,357 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 20:45:49,357 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:45:49,360 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:45:49,360 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-11 20:45:49,370 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 20:45:49,371 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 20:45:49,371 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-11 20:45:49,372 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:45:49,374 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:45:49,375 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:8 [2018-04-11 20:45:49,388 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-04-11 20:45:49,390 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-04-11 20:45:49,390 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:45:49,391 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:45:49,396 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 20:45:49,397 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:25 [2018-04-11 20:45:49,410 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 26 [2018-04-11 20:45:49,412 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-04-11 20:45:49,412 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:45:49,417 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:45:49,423 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-04-11 20:45:49,424 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:39, output treesize:35 [2018-04-11 20:45:49,572 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 28 [2018-04-11 20:45:49,575 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-04-11 20:45:49,575 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:45:49,586 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 13 [2018-04-11 20:45:49,586 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-11 20:45:49,589 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 20:45:49,601 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-11 20:45:49,601 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:52, output treesize:29 [2018-04-11 20:45:49,662 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:45:49,662 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:45:49,919 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-04-11 20:45:49,919 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:45:49,926 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2018-04-11 20:45:49,938 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-04-11 20:45:49,938 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-11 20:45:49,939 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:45:49,945 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:45:49,946 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:35, output treesize:7 [2018-04-11 20:45:49,984 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:45:50,005 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:45:50,005 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10] total 22 [2018-04-11 20:45:50,005 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-11 20:45:50,005 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-11 20:45:50,005 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=439, Unknown=0, NotChecked=0, Total=506 [2018-04-11 20:45:50,006 INFO L87 Difference]: Start difference. First operand 63 states and 65 transitions. Second operand 23 states. [2018-04-11 20:45:50,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:45:50,672 INFO L93 Difference]: Finished difference Result 97 states and 99 transitions. [2018-04-11 20:45:50,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-04-11 20:45:50,672 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 47 [2018-04-11 20:45:50,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:45:50,673 INFO L225 Difference]: With dead ends: 97 [2018-04-11 20:45:50,673 INFO L226 Difference]: Without dead ends: 96 [2018-04-11 20:45:50,674 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 70 SyntacticMatches, 2 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=202, Invalid=1058, Unknown=0, NotChecked=0, Total=1260 [2018-04-11 20:45:50,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2018-04-11 20:45:50,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 78. [2018-04-11 20:45:50,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-04-11 20:45:50,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 80 transitions. [2018-04-11 20:45:50,681 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 80 transitions. Word has length 47 [2018-04-11 20:45:50,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:45:50,682 INFO L459 AbstractCegarLoop]: Abstraction has 78 states and 80 transitions. [2018-04-11 20:45:50,682 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-11 20:45:50,682 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 80 transitions. [2018-04-11 20:45:50,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-04-11 20:45:50,682 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:45:50,682 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:45:50,682 INFO L408 AbstractCegarLoop]: === Iteration 18 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-11 20:45:50,682 INFO L82 PathProgramCache]: Analyzing trace with hash 78137128, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 20:45:50,688 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:45:50,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:45:50,708 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:45:50,714 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-04-11 20:45:50,716 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-04-11 20:45:50,716 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:45:50,717 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:45:50,722 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 20:45:50,722 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:21 [2018-04-11 20:45:50,906 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 31 [2018-04-11 20:45:50,909 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2018-04-11 20:45:50,910 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:45:50,927 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 18 [2018-04-11 20:45:50,927 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-11 20:45:50,955 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 25 [2018-04-11 20:45:50,955 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-11 20:45:50,969 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-11 20:45:50,984 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-11 20:45:50,985 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:49, output treesize:29 [2018-04-11 20:45:51,052 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:45:51,052 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:45:51,438 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-04-11 20:45:51,439 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:45:51,461 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2018-04-11 20:45:51,491 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 24 treesize of output 16 [2018-04-11 20:45:51,491 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-11 20:45:51,503 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 14 [2018-04-11 20:45:51,504 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 20:45:51,514 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15 [2018-04-11 20:45:51,514 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-11 20:45:51,518 INFO L267 ElimStorePlain]: Start of recursive call 3: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:45:51,526 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:45:51,527 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 7 variables, input treesize:69, output treesize:7 [2018-04-11 20:45:51,557 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:45:51,578 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:45:51,578 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2018-04-11 20:45:51,578 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-04-11 20:45:51,579 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-04-11 20:45:51,579 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=620, Unknown=0, NotChecked=0, Total=702 [2018-04-11 20:45:51,579 INFO L87 Difference]: Start difference. First operand 78 states and 80 transitions. Second operand 27 states. [2018-04-11 20:45:53,943 WARN L151 SmtUtils]: Spent 2041ms on a formula simplification. DAG size of input: 58 DAG size of output 48 [2018-04-11 20:45:55,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:45:55,320 INFO L93 Difference]: Finished difference Result 87 states and 90 transitions. [2018-04-11 20:45:55,320 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-04-11 20:45:55,320 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 50 [2018-04-11 20:45:55,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:45:55,321 INFO L225 Difference]: With dead ends: 87 [2018-04-11 20:45:55,321 INFO L226 Difference]: Without dead ends: 86 [2018-04-11 20:45:55,321 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 73 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 319 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=281, Invalid=1789, Unknown=0, NotChecked=0, Total=2070 [2018-04-11 20:45:55,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2018-04-11 20:45:55,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 81. [2018-04-11 20:45:55,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-04-11 20:45:55,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 83 transitions. [2018-04-11 20:45:55,328 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 83 transitions. Word has length 50 [2018-04-11 20:45:55,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:45:55,328 INFO L459 AbstractCegarLoop]: Abstraction has 81 states and 83 transitions. [2018-04-11 20:45:55,328 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-04-11 20:45:55,328 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 83 transitions. [2018-04-11 20:45:55,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-04-11 20:45:55,328 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:45:55,329 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:45:55,329 INFO L408 AbstractCegarLoop]: === Iteration 19 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-11 20:45:55,329 INFO L82 PathProgramCache]: Analyzing trace with hash 177583214, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 20:45:55,334 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:45:55,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:45:55,355 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:45:55,384 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:45:55,385 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:45:55,406 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 18 [2018-04-11 20:45:55,407 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2018-04-11 20:45:55,413 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 10 [2018-04-11 20:45:55,413 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:45:55,416 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-11 20:45:55,417 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:12 [2018-04-11 20:45:55,448 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:45:55,467 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:45:55,468 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 13 [2018-04-11 20:45:55,468 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-11 20:45:55,468 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-11 20:45:55,468 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2018-04-11 20:45:55,468 INFO L87 Difference]: Start difference. First operand 81 states and 83 transitions. Second operand 14 states. [2018-04-11 20:45:55,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:45:55,635 INFO L93 Difference]: Finished difference Result 81 states and 83 transitions. [2018-04-11 20:45:55,635 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-11 20:45:55,635 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 58 [2018-04-11 20:45:55,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:45:55,636 INFO L225 Difference]: With dead ends: 81 [2018-04-11 20:45:55,636 INFO L226 Difference]: Without dead ends: 73 [2018-04-11 20:45:55,636 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=110, Invalid=270, Unknown=0, NotChecked=0, Total=380 [2018-04-11 20:45:55,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-04-11 20:45:55,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2018-04-11 20:45:55,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-04-11 20:45:55,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 75 transitions. [2018-04-11 20:45:55,642 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 75 transitions. Word has length 58 [2018-04-11 20:45:55,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:45:55,643 INFO L459 AbstractCegarLoop]: Abstraction has 73 states and 75 transitions. [2018-04-11 20:45:55,643 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-11 20:45:55,643 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 75 transitions. [2018-04-11 20:45:55,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-04-11 20:45:55,643 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:45:55,643 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:45:55,643 INFO L408 AbstractCegarLoop]: === Iteration 20 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-11 20:45:55,644 INFO L82 PathProgramCache]: Analyzing trace with hash -889218824, now seen corresponding path program 2 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 20:45:55,653 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:45:55,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:45:55,680 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:45:55,684 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 20:45:55,684 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:45:55,689 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 20:45:55,689 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:45:55,693 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:45:55,693 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-04-11 20:45:55,706 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 20:45:55,707 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-04-11 20:45:55,708 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:45:55,717 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 20:45:55,717 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 20:45:55,718 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-11 20:45:55,718 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:45:55,723 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:45:55,723 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2018-04-11 20:45:55,743 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-04-11 20:45:55,745 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-04-11 20:45:55,745 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:45:55,747 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:45:55,754 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 20:45:55,754 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:28 [2018-04-11 20:45:55,781 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-11 20:45:55,785 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-04-11 20:45:55,785 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:45:55,791 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:45:55,808 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-04-11 20:45:55,808 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:39, output treesize:35 [2018-04-11 20:45:56,273 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2018-04-11 20:45:56,277 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 1 [2018-04-11 20:45:56,277 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:45:56,292 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 15 [2018-04-11 20:45:56,292 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-11 20:45:56,297 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 20:45:56,316 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-11 20:45:56,316 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:52, output treesize:37 [2018-04-11 20:45:56,479 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:45:56,479 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:45:56,886 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2018-04-11 20:45:56,895 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2018-04-11 20:45:56,895 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:45:56,896 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:45:56,903 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:45:56,903 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:41, output treesize:44 [2018-04-11 20:45:57,032 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:45:57,051 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:45:57,051 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15] total 31 [2018-04-11 20:45:57,051 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-04-11 20:45:57,052 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-04-11 20:45:57,052 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=881, Unknown=0, NotChecked=0, Total=992 [2018-04-11 20:45:57,052 INFO L87 Difference]: Start difference. First operand 73 states and 75 transitions. Second operand 32 states. [2018-04-11 20:45:57,785 WARN L151 SmtUtils]: Spent 154ms on a formula simplification. DAG size of input: 69 DAG size of output 59 [2018-04-11 20:45:58,099 WARN L151 SmtUtils]: Spent 128ms on a formula simplification. DAG size of input: 67 DAG size of output 57 [2018-04-11 20:45:59,499 WARN L151 SmtUtils]: Spent 1328ms on a formula simplification. DAG size of input: 44 DAG size of output 40 [2018-04-11 20:46:03,751 WARN L151 SmtUtils]: Spent 698ms on a formula simplification. DAG size of input: 62 DAG size of output 53 [2018-04-11 20:46:05,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:46:05,762 INFO L93 Difference]: Finished difference Result 79 states and 81 transitions. [2018-04-11 20:46:05,763 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-04-11 20:46:05,763 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 66 [2018-04-11 20:46:05,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:46:05,764 INFO L225 Difference]: With dead ends: 79 [2018-04-11 20:46:05,764 INFO L226 Difference]: Without dead ends: 78 [2018-04-11 20:46:05,764 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 100 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 368 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=414, Invalid=2035, Unknown=1, NotChecked=0, Total=2450 [2018-04-11 20:46:05,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-04-11 20:46:05,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 72. [2018-04-11 20:46:05,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-04-11 20:46:05,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 74 transitions. [2018-04-11 20:46:05,770 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 74 transitions. Word has length 66 [2018-04-11 20:46:05,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:46:05,770 INFO L459 AbstractCegarLoop]: Abstraction has 72 states and 74 transitions. [2018-04-11 20:46:05,771 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-04-11 20:46:05,771 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 74 transitions. [2018-04-11 20:46:05,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-04-11 20:46:05,771 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:46:05,771 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:46:05,771 INFO L408 AbstractCegarLoop]: === Iteration 21 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-11 20:46:05,771 INFO L82 PathProgramCache]: Analyzing trace with hash 640299949, now seen corresponding path program 2 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 20:46:05,777 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:46:05,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:46:05,801 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:46:05,804 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 20:46:05,804 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:46:05,807 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:46:05,807 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-11 20:46:05,816 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 12 [2018-04-11 20:46:05,818 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-11 20:46:05,818 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:46:05,819 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:46:05,820 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:46:05,820 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:15, output treesize:11 [2018-04-11 20:46:05,991 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 32 [2018-04-11 20:46:05,994 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 21 [2018-04-11 20:46:05,995 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:46:06,015 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 19 [2018-04-11 20:46:06,015 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-11 20:46:06,045 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 27 [2018-04-11 20:46:06,046 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-11 20:46:06,059 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-11 20:46:06,073 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-11 20:46:06,073 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:40, output treesize:32 [2018-04-11 20:46:06,147 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:46:06,147 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:46:06,781 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2018-04-11 20:46:06,809 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 24 treesize of output 16 [2018-04-11 20:46:06,810 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:46:06,822 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 14 [2018-04-11 20:46:06,823 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-11 20:46:06,835 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15 [2018-04-11 20:46:06,835 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 20:46:06,838 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:46:06,847 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-11 20:46:06,847 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:65, output treesize:35 [2018-04-11 20:46:06,932 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:46:06,952 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:46:06,953 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 20] total 37 [2018-04-11 20:46:06,953 INFO L442 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-04-11 20:46:06,953 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-04-11 20:46:06,954 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=1245, Unknown=0, NotChecked=0, Total=1406 [2018-04-11 20:46:06,954 INFO L87 Difference]: Start difference. First operand 72 states and 74 transitions. Second operand 38 states. [2018-04-11 20:46:08,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:46:08,201 INFO L93 Difference]: Finished difference Result 75 states and 77 transitions. [2018-04-11 20:46:08,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-04-11 20:46:08,201 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 69 [2018-04-11 20:46:08,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:46:08,202 INFO L225 Difference]: With dead ends: 75 [2018-04-11 20:46:08,202 INFO L226 Difference]: Without dead ends: 0 [2018-04-11 20:46:08,203 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 688 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=700, Invalid=3206, Unknown=0, NotChecked=0, Total=3906 [2018-04-11 20:46:08,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-11 20:46:08,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-11 20:46:08,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-11 20:46:08,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-11 20:46:08,203 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2018-04-11 20:46:08,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:46:08,204 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-11 20:46:08,204 INFO L460 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-04-11 20:46:08,204 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-11 20:46:08,204 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-11 20:46:08,207 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-04-11 20:46:08,349 WARN L151 SmtUtils]: Spent 139ms on a formula simplification. DAG size of input: 193 DAG size of output 189 [2018-04-11 20:46:13,738 WARN L151 SmtUtils]: Spent 5360ms on a formula simplification. DAG size of input: 233 DAG size of output 105 [2018-04-11 20:46:13,917 WARN L151 SmtUtils]: Spent 176ms on a formula simplification. DAG size of input: 156 DAG size of output 73 [2018-04-11 20:46:14,654 WARN L151 SmtUtils]: Spent 715ms on a formula simplification. DAG size of input: 171 DAG size of output 1 [2018-04-11 20:46:14,657 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_32ENTRY(lines 56 60) no Hoare annotation was computed. [2018-04-11 20:46:14,657 INFO L416 ceAbstractionStarter]: For program point L59(line 59) no Hoare annotation was computed. [2018-04-11 20:46:14,657 INFO L416 ceAbstractionStarter]: For program point L59'(line 59) no Hoare annotation was computed. [2018-04-11 20:46:14,657 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_32FINAL(lines 56 60) no Hoare annotation was computed. [2018-04-11 20:46:14,657 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_32EXIT(lines 56 60) no Hoare annotation was computed. [2018-04-11 20:46:14,657 INFO L416 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-04-11 20:46:14,657 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-04-11 20:46:14,657 INFO L412 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-04-11 20:46:14,657 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-04-11 20:46:14,657 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_64ENTRY(lines 61 65) no Hoare annotation was computed. [2018-04-11 20:46:14,657 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_64FINAL(lines 61 65) no Hoare annotation was computed. [2018-04-11 20:46:14,658 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_64EXIT(lines 61 65) no Hoare annotation was computed. [2018-04-11 20:46:14,658 INFO L416 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-04-11 20:46:14,658 INFO L416 ceAbstractionStarter]: For program point L64'(line 64) no Hoare annotation was computed. [2018-04-11 20:46:14,658 INFO L419 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-04-11 20:46:14,658 INFO L419 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-04-11 20:46:14,658 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-04-11 20:46:14,658 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-04-11 20:46:14,658 INFO L416 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-04-11 20:46:14,658 INFO L416 ceAbstractionStarter]: For program point mainErr1RequiresViolation(line 564) no Hoare annotation was computed. [2018-04-11 20:46:14,658 INFO L416 ceAbstractionStarter]: For program point L564(line 564) no Hoare annotation was computed. [2018-04-11 20:46:14,658 INFO L416 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-04-11 20:46:14,658 INFO L416 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-04-11 20:46:14,658 INFO L416 ceAbstractionStarter]: For program point L563'(line 563) no Hoare annotation was computed. [2018-04-11 20:46:14,659 INFO L412 ceAbstractionStarter]: At program point L566(line 566) the Hoare annotation is: (let ((.cse0 (store |old(#valid)| |main_#t~malloc13.base| 1)) (.cse1 (select |#length| main_~nondetString2~0.base))) (and (= main_~nondetString2~0.offset 0) (= 0 main_~nondetString1~0.offset) (= (select |#length| |main_#t~malloc14.base|) main_~length2~0) (not (= main_~nondetString2~0.base main_~nondetString1~0.base)) (= (select |#length| main_~nondetString1~0.base) main_~length1~0) (= |main_#t~malloc14.offset| 0) (exists ((main_~nondetString1~0.offset Int)) (and (<= 0 main_~nondetString1~0.offset) (<= main_~nondetString1~0.offset 0) (= (select (select |#memory_int| main_~nondetString1~0.base) (+ main_~nondetString1~0.offset (select |#length| main_~nondetString1~0.base) (- 1))) 0))) (= |#valid| (store .cse0 |main_#t~malloc14.base| 1)) (= (select |#length| |main_#t~malloc13.base|) main_~length1~0) (exists ((main_~length2~0 Int)) (and (= 0 (select (select |#memory_int| main_~nondetString2~0.base) (+ main_~nondetString2~0.offset main_~length2~0 (- 1)))) (<= 1 main_~length2~0) (<= (+ main_~nondetString2~0.offset main_~length2~0) (select |#length| main_~nondetString2~0.base)))) (not (= |main_#t~malloc14.base| main_~nondetString1~0.base)) (= 1 (select |#valid| main_~nondetString1~0.base)) (= 0 (select (select |#memory_int| main_~nondetString2~0.base) (+ .cse1 (- 1)))) (= 0 |main_#t~malloc13.offset|) (= (select .cse0 |main_#t~malloc14.base|) 0) (= 0 (select |old(#valid)| |main_#t~malloc13.base|)) (exists ((main_~length1~0 Int)) (and (<= (+ main_~nondetString1~0.offset main_~length1~0) (select |#length| main_~nondetString1~0.base)) (<= 1 main_~length1~0) (= (select (select |#memory_int| main_~nondetString1~0.base) (+ main_~nondetString1~0.offset main_~length1~0 (- 1))) 0))) (= .cse1 main_~length2~0) (= 1 (select |#valid| main_~nondetString2~0.base)))) [2018-04-11 20:46:14,659 INFO L416 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-04-11 20:46:14,659 INFO L416 ceAbstractionStarter]: For program point mainErr0RequiresViolation(line 564) no Hoare annotation was computed. [2018-04-11 20:46:14,659 INFO L416 ceAbstractionStarter]: For program point mainErr2RequiresViolation(line 565) no Hoare annotation was computed. [2018-04-11 20:46:14,659 INFO L416 ceAbstractionStarter]: For program point L554'(line 554) no Hoare annotation was computed. [2018-04-11 20:46:14,659 INFO L416 ceAbstractionStarter]: For program point L566'(line 566) no Hoare annotation was computed. [2018-04-11 20:46:14,659 INFO L416 ceAbstractionStarter]: For program point L555''(line 555) no Hoare annotation was computed. [2018-04-11 20:46:14,659 INFO L416 ceAbstractionStarter]: For program point L566''''(line 566) no Hoare annotation was computed. [2018-04-11 20:46:14,659 INFO L416 ceAbstractionStarter]: For program point L556''(lines 553 567) no Hoare annotation was computed. [2018-04-11 20:46:14,660 INFO L416 ceAbstractionStarter]: For program point L566'''(line 566) no Hoare annotation was computed. [2018-04-11 20:46:14,660 INFO L416 ceAbstractionStarter]: For program point mainErr3RequiresViolation(line 565) no Hoare annotation was computed. [2018-04-11 20:46:14,660 INFO L416 ceAbstractionStarter]: For program point L562'(line 562) no Hoare annotation was computed. [2018-04-11 20:46:14,660 INFO L416 ceAbstractionStarter]: For program point L564'(line 564) no Hoare annotation was computed. [2018-04-11 20:46:14,660 INFO L416 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-04-11 20:46:14,660 INFO L416 ceAbstractionStarter]: For program point mainFINAL(lines 553 567) no Hoare annotation was computed. [2018-04-11 20:46:14,660 INFO L416 ceAbstractionStarter]: For program point L556(lines 556 558) no Hoare annotation was computed. [2018-04-11 20:46:14,660 INFO L416 ceAbstractionStarter]: For program point L555(line 555) no Hoare annotation was computed. [2018-04-11 20:46:14,660 INFO L416 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-04-11 20:46:14,660 INFO L416 ceAbstractionStarter]: For program point mainErr4EnsuresViolationMEMORY_LEAK(lines 553 567) no Hoare annotation was computed. [2018-04-11 20:46:14,660 INFO L416 ceAbstractionStarter]: For program point mainEXIT(lines 553 567) no Hoare annotation was computed. [2018-04-11 20:46:14,660 INFO L412 ceAbstractionStarter]: At program point mainENTRY(lines 553 567) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-04-11 20:46:14,660 INFO L416 ceAbstractionStarter]: For program point L562''(line 562) no Hoare annotation was computed. [2018-04-11 20:46:14,660 INFO L416 ceAbstractionStarter]: For program point L563''(line 563) no Hoare annotation was computed. [2018-04-11 20:46:14,661 INFO L416 ceAbstractionStarter]: For program point L555'(line 555) no Hoare annotation was computed. [2018-04-11 20:46:14,661 INFO L416 ceAbstractionStarter]: For program point L563'''(line 563) no Hoare annotation was computed. [2018-04-11 20:46:14,661 INFO L416 ceAbstractionStarter]: For program point L559'(lines 559 561) no Hoare annotation was computed. [2018-04-11 20:46:14,661 INFO L416 ceAbstractionStarter]: For program point L566''(line 566) no Hoare annotation was computed. [2018-04-11 20:46:14,661 INFO L416 ceAbstractionStarter]: For program point L546''''''(line 546) no Hoare annotation was computed. [2018-04-11 20:46:14,661 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation(line 547) no Hoare annotation was computed. [2018-04-11 20:46:14,661 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpFINAL(lines 540 552) no Hoare annotation was computed. [2018-04-11 20:46:14,661 INFO L416 ceAbstractionStarter]: For program point L540(lines 540 552) no Hoare annotation was computed. [2018-04-11 20:46:14,661 INFO L416 ceAbstractionStarter]: For program point L546(line 546) no Hoare annotation was computed. [2018-04-11 20:46:14,661 INFO L419 ceAbstractionStarter]: At program point __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpENTRY(lines 540 552) the Hoare annotation is: true [2018-04-11 20:46:14,661 INFO L416 ceAbstractionStarter]: For program point L545(lines 545 550) no Hoare annotation was computed. [2018-04-11 20:46:14,661 INFO L416 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-04-11 20:46:14,661 INFO L416 ceAbstractionStarter]: For program point L548''''(line 548) no Hoare annotation was computed. [2018-04-11 20:46:14,661 INFO L416 ceAbstractionStarter]: For program point L543(lines 543 544) no Hoare annotation was computed. [2018-04-11 20:46:14,661 INFO L416 ceAbstractionStarter]: For program point L546'''''(line 546) no Hoare annotation was computed. [2018-04-11 20:46:14,662 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation(line 547) no Hoare annotation was computed. [2018-04-11 20:46:14,662 INFO L416 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-04-11 20:46:14,662 INFO L416 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-04-11 20:46:14,662 INFO L416 ceAbstractionStarter]: For program point L550''(line 550) no Hoare annotation was computed. [2018-04-11 20:46:14,662 INFO L416 ceAbstractionStarter]: For program point L546'(line 546) no Hoare annotation was computed. [2018-04-11 20:46:14,662 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation(line 546) no Hoare annotation was computed. [2018-04-11 20:46:14,662 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation(line 547) no Hoare annotation was computed. [2018-04-11 20:46:14,662 INFO L416 ceAbstractionStarter]: For program point L548'''''(line 548) no Hoare annotation was computed. [2018-04-11 20:46:14,662 INFO L416 ceAbstractionStarter]: For program point L546''''(lines 546 547) no Hoare annotation was computed. [2018-04-11 20:46:14,662 INFO L416 ceAbstractionStarter]: For program point L548'''''''(line 548) no Hoare annotation was computed. [2018-04-11 20:46:14,662 INFO L416 ceAbstractionStarter]: For program point L550'(line 550) no Hoare annotation was computed. [2018-04-11 20:46:14,662 INFO L416 ceAbstractionStarter]: For program point L546'''''''(line 546) no Hoare annotation was computed. [2018-04-11 20:46:14,662 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation(line 547) no Hoare annotation was computed. [2018-04-11 20:46:14,663 INFO L416 ceAbstractionStarter]: For program point L547''''(line 547) no Hoare annotation was computed. [2018-04-11 20:46:14,663 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation(line 546) no Hoare annotation was computed. [2018-04-11 20:46:14,663 INFO L416 ceAbstractionStarter]: For program point L548'''(lines 548 549) no Hoare annotation was computed. [2018-04-11 20:46:14,663 INFO L416 ceAbstractionStarter]: For program point L547'(line 547) no Hoare annotation was computed. [2018-04-11 20:46:14,663 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation(line 548) no Hoare annotation was computed. [2018-04-11 20:46:14,663 INFO L416 ceAbstractionStarter]: For program point L547''''''(line 547) no Hoare annotation was computed. [2018-04-11 20:46:14,663 INFO L416 ceAbstractionStarter]: For program point L546''''''''(line 546) no Hoare annotation was computed. [2018-04-11 20:46:14,663 INFO L416 ceAbstractionStarter]: For program point L547''(line 547) no Hoare annotation was computed. [2018-04-11 20:46:14,663 INFO L416 ceAbstractionStarter]: For program point L546''''''''''(line 546) no Hoare annotation was computed. [2018-04-11 20:46:14,663 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation(line 546) no Hoare annotation was computed. [2018-04-11 20:46:14,663 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpEXIT(lines 540 552) no Hoare annotation was computed. [2018-04-11 20:46:14,663 INFO L416 ceAbstractionStarter]: For program point L545''''(lines 545 550) no Hoare annotation was computed. [2018-04-11 20:46:14,663 INFO L416 ceAbstractionStarter]: For program point L548''''''(line 548) no Hoare annotation was computed. [2018-04-11 20:46:14,663 INFO L416 ceAbstractionStarter]: For program point L547'''(line 547) no Hoare annotation was computed. [2018-04-11 20:46:14,663 INFO L416 ceAbstractionStarter]: For program point L548'(line 548) no Hoare annotation was computed. [2018-04-11 20:46:14,664 INFO L412 ceAbstractionStarter]: At program point L545'''(lines 545 550) the Hoare annotation is: (let ((.cse0 (select |#length| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s2.base|))) (or (not (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s2.base|) (+ .cse0 (- 1))))) (not (exists ((main_~nondetString2~0.base Int) (main_~nondetString2~0.offset Int)) (and (not (= main_~nondetString2~0.base |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s1.base|)) (= 0 (select (select |#memory_int| main_~nondetString2~0.base) (+ main_~nondetString2~0.offset (select |#length| main_~nondetString2~0.base) (- 1))))))) (not (exists ((main_~nondetString1~0.offset Int)) (and (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s1.base|) (+ (select |#length| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s1.base|) main_~nondetString1~0.offset (- 1)))) (<= 0 main_~nondetString1~0.offset) (<= main_~nondetString1~0.offset 0)))) (or (< |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s1.offset| 0) (not (= 1 (select |#valid| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s1.base|))) (not (exists ((|v_main_#t~malloc14.base_BEFORE_CALL_7| Int) (|v_main_#t~malloc13.base_BEFORE_CALL_7| Int)) (and (= (select |#valid| |v_main_#t~malloc14.base_BEFORE_CALL_7|) 1) (not (= |v_main_#t~malloc14.base_BEFORE_CALL_7| |v_main_#t~malloc13.base_BEFORE_CALL_7|)) (= (select |#valid| |v_main_#t~malloc13.base_BEFORE_CALL_7|) 1)))) (< (select |#length| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s1.base|) (+ |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s1.offset| 1)) (not (= 1 (select |#valid| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s2.base|))) (< .cse0 (+ |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s2.offset| 1)) (< |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s2.offset| 0)) (and (and (<= 0 __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset) (<= 0 __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset) (= 1 (select |#valid| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.base)) (= 1 (select |#valid| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base)) (<= (+ __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.base))) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base) (+ (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base) (- 1)))) (exists ((main_~nondetString1~0.offset Int)) (and (<= 0 main_~nondetString1~0.offset) (<= main_~nondetString1~0.offset 0) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.base) (+ (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.base) main_~nondetString1~0.offset (- 1)))))) (exists ((v_main_~nondetString2~0.offset_BEFORE_CALL_3 Int) (main_~length2~0 Int)) (and (<= (+ v_main_~nondetString2~0.offset_BEFORE_CALL_3 main_~length2~0) (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base)) (<= __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset v_main_~nondetString2~0.offset_BEFORE_CALL_3) (<= 1 main_~length2~0) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base) (+ v_main_~nondetString2~0.offset_BEFORE_CALL_3 main_~length2~0 (- 1))))))))) [2018-04-11 20:46:14,664 INFO L416 ceAbstractionStarter]: For program point L547'''''''(line 547) no Hoare annotation was computed. [2018-04-11 20:46:14,664 INFO L416 ceAbstractionStarter]: For program point L540'(lines 540 552) no Hoare annotation was computed. [2018-04-11 20:46:14,664 INFO L416 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-04-11 20:46:14,664 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation(line 546) no Hoare annotation was computed. [2018-04-11 20:46:14,664 INFO L416 ceAbstractionStarter]: For program point L546'''''''''(line 546) no Hoare annotation was computed. [2018-04-11 20:46:14,664 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation(line 548) no Hoare annotation was computed. [2018-04-11 20:46:14,664 INFO L416 ceAbstractionStarter]: For program point L546''(line 546) no Hoare annotation was computed. [2018-04-11 20:46:14,664 INFO L416 ceAbstractionStarter]: For program point L545'(lines 545 550) no Hoare annotation was computed. [2018-04-11 20:46:14,664 INFO L416 ceAbstractionStarter]: For program point L546'''(line 546) no Hoare annotation was computed. [2018-04-11 20:46:14,665 INFO L416 ceAbstractionStarter]: For program point L547'''''(line 547) no Hoare annotation was computed. [2018-04-11 20:46:14,665 INFO L416 ceAbstractionStarter]: For program point L548''(line 548) no Hoare annotation was computed. [2018-04-11 20:46:14,671 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-11 20:46:14,672 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-11 20:46:14,672 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-04-11 20:46:14,673 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-11 20:46:14,673 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-04-11 20:46:14,673 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-04-11 20:46:14,673 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-04-11 20:46:14,673 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-11 20:46:14,674 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-11 20:46:14,674 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-11 20:46:14,674 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-11 20:46:14,674 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-04-11 20:46:14,675 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-04-11 20:46:14,675 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-04-11 20:46:14,675 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] [2018-04-11 20:46:14,675 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-11 20:46:14,675 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] [2018-04-11 20:46:14,675 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-11 20:46:14,675 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] [2018-04-11 20:46:14,676 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-11 20:46:14,677 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:46:14,677 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:46:14,677 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:46:14,678 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:46:14,678 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:46:14,678 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:46:14,678 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:46:14,678 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:46:14,678 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:46:14,678 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:46:14,678 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:46:14,679 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:46:14,679 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:46:14,679 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:46:14,679 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:46:14,685 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-11 20:46:14,685 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-11 20:46:14,686 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-04-11 20:46:14,686 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-11 20:46:14,686 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-04-11 20:46:14,686 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-04-11 20:46:14,686 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-04-11 20:46:14,687 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-11 20:46:14,687 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-11 20:46:14,687 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-11 20:46:14,687 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-11 20:46:14,688 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-04-11 20:46:14,688 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-04-11 20:46:14,688 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-04-11 20:46:14,689 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] [2018-04-11 20:46:14,689 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-11 20:46:14,689 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] [2018-04-11 20:46:14,689 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-11 20:46:14,689 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] [2018-04-11 20:46:14,689 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-11 20:46:14,690 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:46:14,690 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:46:14,690 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:46:14,690 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:46:14,691 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:46:14,691 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:46:14,691 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:46:14,691 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:46:14,691 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:46:14,692 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:46:14,692 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:46:14,692 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:46:14,692 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:46:14,692 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:46:14,693 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:46:14,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.04 08:46:14 BoogieIcfgContainer [2018-04-11 20:46:14,696 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-11 20:46:14,697 INFO L168 Benchmark]: Toolchain (without parser) took 34022.99 ms. Allocated memory was 304.6 MB in the beginning and 618.7 MB in the end (delta: 314.0 MB). Free memory was 242.6 MB in the beginning and 512.1 MB in the end (delta: -269.5 MB). Peak memory consumption was 244.7 MB. Max. memory is 5.3 GB. [2018-04-11 20:46:14,698 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 304.6 MB. Free memory is still 267.1 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 20:46:14,698 INFO L168 Benchmark]: CACSL2BoogieTranslator took 320.75 ms. Allocated memory is still 304.6 MB. Free memory was 242.6 MB in the beginning and 218.5 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 5.3 GB. [2018-04-11 20:46:14,698 INFO L168 Benchmark]: Boogie Preprocessor took 57.96 ms. Allocated memory is still 304.6 MB. Free memory was 218.5 MB in the beginning and 215.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. [2018-04-11 20:46:14,699 INFO L168 Benchmark]: RCFGBuilder took 540.94 ms. Allocated memory was 304.6 MB in the beginning and 468.2 MB in the end (delta: 163.6 MB). Free memory was 215.6 MB in the beginning and 400.7 MB in the end (delta: -185.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 5.3 GB. [2018-04-11 20:46:14,699 INFO L168 Benchmark]: TraceAbstraction took 33097.94 ms. Allocated memory was 468.2 MB in the beginning and 618.7 MB in the end (delta: 150.5 MB). Free memory was 400.7 MB in the beginning and 512.1 MB in the end (delta: -111.4 MB). Peak memory consumption was 239.2 MB. Max. memory is 5.3 GB. [2018-04-11 20:46:14,700 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 304.6 MB. Free memory is still 267.1 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 320.75 ms. Allocated memory is still 304.6 MB. Free memory was 242.6 MB in the beginning and 218.5 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 57.96 ms. Allocated memory is still 304.6 MB. Free memory was 218.5 MB in the beginning and 215.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 540.94 ms. Allocated memory was 304.6 MB in the beginning and 468.2 MB in the end (delta: 163.6 MB). Free memory was 215.6 MB in the beginning and 400.7 MB in the end (delta: -185.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 33097.94 ms. Allocated memory was 468.2 MB in the beginning and 618.7 MB in the end (delta: 150.5 MB). Free memory was 400.7 MB in the beginning and 512.1 MB in the end (delta: -111.4 MB). Peak memory consumption was 239.2 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 565]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 564]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 565]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 553]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 564]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 15 specifications checked. All of them hold - InvariantResult [Line: 545]: Loop Invariant [2018-04-11 20:46:14,707 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-11 20:46:14,707 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-11 20:46:14,707 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-04-11 20:46:14,708 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-11 20:46:14,708 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-04-11 20:46:14,708 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-04-11 20:46:14,708 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-04-11 20:46:14,708 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-11 20:46:14,708 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-11 20:46:14,709 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-11 20:46:14,709 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-11 20:46:14,709 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-04-11 20:46:14,709 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-04-11 20:46:14,710 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-04-11 20:46:14,710 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] [2018-04-11 20:46:14,710 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-11 20:46:14,710 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] [2018-04-11 20:46:14,710 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-11 20:46:14,710 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] [2018-04-11 20:46:14,711 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-11 20:46:14,711 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:46:14,711 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:46:14,711 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:46:14,711 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:46:14,711 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:46:14,712 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:46:14,712 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:46:14,712 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:46:14,712 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:46:14,712 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:46:14,713 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:46:14,713 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:46:14,713 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:46:14,713 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:46:14,713 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:46:14,716 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-11 20:46:14,716 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-11 20:46:14,716 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-04-11 20:46:14,716 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-11 20:46:14,717 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-04-11 20:46:14,717 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-04-11 20:46:14,717 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-04-11 20:46:14,717 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-11 20:46:14,717 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-11 20:46:14,718 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-11 20:46:14,718 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-11 20:46:14,718 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-04-11 20:46:14,718 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-04-11 20:46:14,719 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-04-11 20:46:14,719 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] [2018-04-11 20:46:14,719 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-11 20:46:14,719 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] [2018-04-11 20:46:14,719 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-11 20:46:14,719 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] [2018-04-11 20:46:14,720 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-11 20:46:14,720 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:46:14,720 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:46:14,720 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:46:14,720 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:46:14,721 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:46:14,721 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:46:14,721 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:46:14,721 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:46:14,721 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:46:14,721 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:46:14,722 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:46:14,722 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:46:14,722 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:46:14,722 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:46:14,722 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (((!(0 == unknown-#memory_int-unknown[s2][unknown-#length-unknown[s2] + -1]) || !(\exists main_~nondetString2~0.base : int, main_~nondetString2~0.offset : int :: !(main_~nondetString2~0.base == s1) && 0 == unknown-#memory_int-unknown[main_~nondetString2~0.base][main_~nondetString2~0.offset + unknown-#length-unknown[main_~nondetString2~0.base] + -1])) || !(\exists main_~nondetString1~0.offset : int :: (0 == unknown-#memory_int-unknown[s1][unknown-#length-unknown[s1] + main_~nondetString1~0.offset + -1] && 0 <= main_~nondetString1~0.offset) && main_~nondetString1~0.offset <= 0)) || (((((s1 < 0 || !(1 == \valid[s1])) || !(\exists v_main_#t~malloc14.base_BEFORE_CALL_7 : int, v_main_#t~malloc13.base_BEFORE_CALL_7 : int :: (\valid[v_main_#t~malloc14.base_BEFORE_CALL_7] == 1 && !(v_main_#t~malloc14.base_BEFORE_CALL_7 == v_main_#t~malloc13.base_BEFORE_CALL_7)) && \valid[v_main_#t~malloc13.base_BEFORE_CALL_7] == 1)) || unknown-#length-unknown[s1] < s1 + 1) || !(1 == \valid[s2])) || unknown-#length-unknown[s2] < s2 + 1) || s2 < 0) || (((((((0 <= s2 && 0 <= s1) && 1 == \valid[s1]) && 1 == \valid[s2]) && s1 + 1 <= unknown-#length-unknown[s1]) && 0 == unknown-#memory_int-unknown[s2][unknown-#length-unknown[s2] + -1]) && (\exists main_~nondetString1~0.offset : int :: (0 <= main_~nondetString1~0.offset && main_~nondetString1~0.offset <= 0) && 0 == unknown-#memory_int-unknown[s1][unknown-#length-unknown[s1] + main_~nondetString1~0.offset + -1])) && (\exists v_main_~nondetString2~0.offset_BEFORE_CALL_3 : int, main_~length2~0 : int :: ((v_main_~nondetString2~0.offset_BEFORE_CALL_3 + main_~length2~0 <= unknown-#length-unknown[s2] && s2 <= v_main_~nondetString2~0.offset_BEFORE_CALL_3) && 1 <= main_~length2~0) && 0 == unknown-#memory_int-unknown[s2][v_main_~nondetString2~0.offset_BEFORE_CALL_3 + main_~length2~0 + -1])) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 102 locations, 15 error locations. SAFE Result, 33.0s OverallTime, 21 OverallIterations, 3 TraceHistogramMax, 17.5s AutomataDifference, 0.0s DeadEndRemovalTime, 6.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 1526 SDtfs, 2407 SDslu, 6314 SDs, 0 SdLazy, 4354 SolverSat, 201 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 6.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1721 GetRequests, 1328 SyntacticMatches, 20 SemanticMatches, 373 ConstructedPredicates, 20 IntricatePredicates, 0 DeprecatedPredicates, 1849 ImplicationChecksByTransitivity, 15.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=137occurred in iteration=14, 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: 0.1s AutomataMinimizationTime, 21 MinimizatonAttempts, 237 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 9 NumberOfFragments, 345 HoareAnnotationTreeSize, 7 FomulaSimplifications, 447 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2827 FormulaSimplificationTreeSizeReductionInter, 6.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 7.7s InterpolantComputationTime, 796 NumberOfCodeBlocks, 796 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 1550 ConstructedInterpolants, 221 QuantifiedInterpolants, 770623 SizeOfPredicates, 191 NumberOfNonLiveVariables, 2571 ConjunctsInSsa, 368 ConjunctsInUnsatCore, 42 InterpolantComputations, 34 PerfectInterpolantSequences, 36/130 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-11_20-46-14-728.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-11_20-46-14-728.csv Received shutdown request...