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/cstrlen-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cf7e2d-m [2018-03-29 20:20:32,380 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-03-29 20:20:32,381 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-03-29 20:20:32,395 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-03-29 20:20:32,424 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 [2018-03-29 20:20:32,449 INFO L110 SettingsManager]: Loading preferences was successful [2018-03-29 20:20:32,449 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-03-29 20:20:32,450 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-03-29 20:20:32,450 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-03-29 20:20:32,450 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-03-29 20:20:32,451 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-03-29 20:20:32,451 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-03-29 20:20:32,451 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-03-29 20:20:32,451 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-03-29 20:20:32,452 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-03-29 20:20:32,452 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-03-29 20:20:32,452 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-03-29 20:20:32,452 INFO L133 SettingsManager]: * sizeof long=4 [2018-03-29 20:20:32,453 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-03-29 20:20:32,453 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-03-29 20:20:32,453 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-03-29 20:20:32,453 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-03-29 20:20:32,454 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-03-29 20:20:32,454 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-03-29 20:20:32,454 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-03-29 20:20:32,454 INFO L133 SettingsManager]: * sizeof long double=12 [2018-03-29 20:20:32,454 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-03-29 20:20:32,455 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-03-29 20:20:32,455 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-03-29 20:20:32,455 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-03-29 20:20:32,455 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-03-29 20:20:32,455 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-03-29 20:20:32,456 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-03-29 20:20:32,456 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-03-29 20:20:32,456 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-03-29 20:20:32,456 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-03-29 20:20:32,456 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 20:20:32,457 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-03-29 20:20:32,457 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-03-29 20:20:32,458 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-03-29 20:20:32,458 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-03-29 20:20:32,458 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-03-29 20:20:32,493 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-03-29 20:20:32,505 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-03-29 20:20:32,509 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-03-29 20:20:32,511 INFO L271 PluginConnector]: Initializing CDTParser... [2018-03-29 20:20:32,512 INFO L276 PluginConnector]: CDTParser initialized [2018-03-29 20:20:32,512 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:32,846 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG81eb08504 [2018-03-29 20:20:32,999 INFO L287 CDTParser]: IsIndexed: true [2018-03-29 20:20:32,999 INFO L288 CDTParser]: Found 1 translation units. [2018-03-29 20:20:32,999 INFO L168 CDTParser]: Scanning cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,010 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-03-29 20:20:33,011 INFO L215 ultiparseSymbolTable]: [2018-03-29 20:20:33,011 INFO L218 ultiparseSymbolTable]: Function table: [2018-03-29 20:20:33,011 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__ ('') in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,011 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,011 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____bswap_32 ('__bswap_32') in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,012 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____bswap_64 ('__bswap_64') in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,012 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-03-29 20:20:33,012 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____qaddr_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,012 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__int16_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,012 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__blksize_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,012 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_key_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,012 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____blksize_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,012 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_rwlock_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,013 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____u_char in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,013 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____caddr_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,013 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__fd_set in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,013 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____uint32_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,013 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____id_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,013 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____syscall_ulong_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,013 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__time_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,013 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__uid_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,013 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__u_int32_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,013 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__lldiv_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,013 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____dev_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,013 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____fsblkcnt_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,013 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__blkcnt_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,014 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__ulong in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,014 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__sigset_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,014 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__mode_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,014 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__u_char in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,014 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__div_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,014 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____u_long in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,014 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____int16_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,014 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__caddr_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,014 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____uint16_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,014 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____fsid_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,014 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__int8_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,014 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__daddr_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,015 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__ino_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,015 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__u_long in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,015 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__pid_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,015 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__ldiv_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,015 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_mutex_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,015 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____fsfilcnt64_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,015 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____loff_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,015 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__clock_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,015 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____u_short in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,015 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__suseconds_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,015 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____syscall_slong_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,015 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_barrierattr_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,015 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__register_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,016 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__fsid_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,016 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____int8_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,016 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____uint8_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,016 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____key_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,016 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____clock_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,016 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____WAIT_STATUS in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,016 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__u_quad_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,016 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____rlim64_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,016 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__ushort in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,016 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_condattr_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,016 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____time_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,016 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__loff_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,017 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__int64_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,017 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__u_int64_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,017 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____daddr_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,017 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____fsfilcnt_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,017 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__nlink_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,017 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__wchar_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,017 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____fd_mask in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,017 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__uint in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,017 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____uid_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,018 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,018 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____int64_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,018 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____u_int in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,018 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____uint64_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,018 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____useconds_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,018 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__u_int8_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,018 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_attr_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,018 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____clockid_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,018 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____sig_atomic_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,018 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__u_int16_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,019 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__quad_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,019 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_spinlock_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,019 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____blkcnt_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,019 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_cond_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,019 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____fsword_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,019 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__fd_mask in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,019 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_once_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,019 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__dev_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,019 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__gid_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,020 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__ssize_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,020 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__u_short in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,020 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__id_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,020 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____sigset_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,020 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____ino_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,020 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____ino64_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,020 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____off_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,020 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____quad_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,020 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____mode_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,020 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__fsfilcnt_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,021 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__int32_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,021 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____gid_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,021 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_barrier_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,021 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____intptr_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,021 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,021 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____u_quad_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,021 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____blkcnt64_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,021 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__size_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,021 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__off_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,022 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____nlink_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,022 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____ssize_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,022 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____socklen_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,022 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__key_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,022 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__timer_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,022 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____pthread_list_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,022 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____rlim_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,022 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__u_int in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,023 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__clockid_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,023 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____int32_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,023 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__fsblkcnt_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,023 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____timer_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,023 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____off64_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,023 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____suseconds_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,023 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____fsblkcnt64_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,023 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_mutexattr_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,023 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____pid_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,041 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG81eb08504 [2018-03-29 20:20:33,045 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-03-29 20:20:33,047 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-03-29 20:20:33,048 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-03-29 20:20:33,048 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-03-29 20:20:33,053 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-03-29 20:20:33,053 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 08:20:33" (1/1) ... [2018-03-29 20:20:33,056 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b1cd1b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:20:33, skipping insertion in model container [2018-03-29 20:20:33,056 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 08:20:33" (1/1) ... [2018-03-29 20:20:33,069 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-29 20:20:33,098 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-29 20:20:33,261 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-29 20:20:33,309 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-29 20:20:33,316 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-03-29 20:20:33,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:20:33 WrapperNode [2018-03-29 20:20:33,353 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-03-29 20:20:33,354 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-03-29 20:20:33,354 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-03-29 20:20:33,354 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-03-29 20:20:33,363 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:20:33" (1/1) ... [2018-03-29 20:20:33,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:20:33" (1/1) ... [2018-03-29 20:20:33,379 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:20:33" (1/1) ... [2018-03-29 20:20:33,380 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:20:33" (1/1) ... [2018-03-29 20:20:33,390 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:20:33" (1/1) ... [2018-03-29 20:20:33,395 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:20:33" (1/1) ... [2018-03-29 20:20:33,399 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:20:33" (1/1) ... [2018-03-29 20:20:33,403 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-03-29 20:20:33,404 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-03-29 20:20:33,404 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-03-29 20:20:33,404 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-03-29 20:20:33,405 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:20:33" (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 [2018-03-29 20:20:33,540 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-03-29 20:20:33,541 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-03-29 20:20:33,541 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-03-29 20:20:33,541 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-03-29 20:20:33,541 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrlen [2018-03-29 20:20:33,541 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-03-29 20:20:33,541 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-03-29 20:20:33,541 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-03-29 20:20:33,541 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-03-29 20:20:33,542 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-03-29 20:20:33,542 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-03-29 20:20:33,542 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-03-29 20:20:33,542 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-03-29 20:20:33,542 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-03-29 20:20:33,542 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-03-29 20:20:33,542 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-03-29 20:20:33,542 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-03-29 20:20:33,542 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-03-29 20:20:33,542 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-03-29 20:20:33,542 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-03-29 20:20:33,542 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-03-29 20:20:33,543 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-03-29 20:20:33,543 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-03-29 20:20:33,543 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-03-29 20:20:33,543 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-03-29 20:20:33,543 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-03-29 20:20:33,543 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-03-29 20:20:33,543 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-03-29 20:20:33,543 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-03-29 20:20:33,543 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-03-29 20:20:33,543 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-03-29 20:20:33,544 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-03-29 20:20:33,544 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-03-29 20:20:33,544 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-03-29 20:20:33,544 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-03-29 20:20:33,544 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-03-29 20:20:33,544 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-03-29 20:20:33,545 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-03-29 20:20:33,545 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-03-29 20:20:33,545 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-03-29 20:20:33,545 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-03-29 20:20:33,545 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-03-29 20:20:33,545 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-03-29 20:20:33,545 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-03-29 20:20:33,546 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-03-29 20:20:33,546 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-03-29 20:20:33,546 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-03-29 20:20:33,546 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-03-29 20:20:33,546 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-03-29 20:20:33,546 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-03-29 20:20:33,546 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-03-29 20:20:33,546 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-03-29 20:20:33,547 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-03-29 20:20:33,547 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-03-29 20:20:33,547 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-03-29 20:20:33,547 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-03-29 20:20:33,547 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-03-29 20:20:33,547 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-03-29 20:20:33,547 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-03-29 20:20:33,548 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-03-29 20:20:33,548 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-03-29 20:20:33,548 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-03-29 20:20:33,548 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-03-29 20:20:33,548 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-03-29 20:20:33,548 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-03-29 20:20:33,548 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-03-29 20:20:33,548 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-03-29 20:20:33,549 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-03-29 20:20:33,549 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-03-29 20:20:33,549 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-03-29 20:20:33,549 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-03-29 20:20:33,549 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-03-29 20:20:33,549 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-03-29 20:20:33,549 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-03-29 20:20:33,549 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-03-29 20:20:33,550 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-03-29 20:20:33,550 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-03-29 20:20:33,550 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-03-29 20:20:33,550 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-03-29 20:20:33,550 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-03-29 20:20:33,550 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-03-29 20:20:33,550 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-03-29 20:20:33,550 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-03-29 20:20:33,551 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-03-29 20:20:33,551 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-03-29 20:20:33,551 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-03-29 20:20:33,551 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-03-29 20:20:33,551 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-03-29 20:20:33,551 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-03-29 20:20:33,551 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-03-29 20:20:33,552 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-03-29 20:20:33,552 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-03-29 20:20:33,552 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-03-29 20:20:33,552 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-03-29 20:20:33,552 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-03-29 20:20:33,552 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-03-29 20:20:33,552 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-03-29 20:20:33,552 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-03-29 20:20:33,553 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-03-29 20:20:33,553 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-03-29 20:20:33,553 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-03-29 20:20:33,553 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-03-29 20:20:33,553 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-03-29 20:20:33,553 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-03-29 20:20:33,553 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-03-29 20:20:33,554 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-03-29 20:20:33,554 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-03-29 20:20:33,554 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-03-29 20:20:33,554 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-03-29 20:20:33,554 INFO L128 BoogieDeclarations]: Found specification of procedure cstrlen [2018-03-29 20:20:33,554 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-03-29 20:20:33,554 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-03-29 20:20:33,554 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-03-29 20:20:33,555 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-03-29 20:20:33,555 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-03-29 20:20:33,555 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-03-29 20:20:33,555 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-03-29 20:20:33,555 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-03-29 20:20:33,853 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-03-29 20:20:33,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 08:20:33 BoogieIcfgContainer [2018-03-29 20:20:33,854 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-03-29 20:20:33,855 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-03-29 20:20:33,855 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-03-29 20:20:33,857 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-03-29 20:20:33,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 08:20:33" (1/3) ... [2018-03-29 20:20:33,858 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@626659cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 08:20:33, skipping insertion in model container [2018-03-29 20:20:33,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:20:33" (2/3) ... [2018-03-29 20:20:33,859 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@626659cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 08:20:33, skipping insertion in model container [2018-03-29 20:20:33,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 08:20:33" (3/3) ... [2018-03-29 20:20:33,861 INFO L107 eAbstractionObserver]: Analyzing ICFG cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:20:33,870 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-03-29 20:20:33,875 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2018-03-29 20:20:33,917 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-03-29 20:20:33,918 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-03-29 20:20:33,918 INFO L370 AbstractCegarLoop]: Hoare is true [2018-03-29 20:20:33,918 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-03-29 20:20:33,918 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-03-29 20:20:33,918 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-03-29 20:20:33,918 INFO L374 AbstractCegarLoop]: Difference is false [2018-03-29 20:20:33,918 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-03-29 20:20:33,918 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-03-29 20:20:33,919 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-03-29 20:20:33,930 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2018-03-29 20:20:33,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-03-29 20:20:33,935 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 20:20:33,935 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 20:20:33,935 INFO L408 AbstractCegarLoop]: === Iteration 1 === [cstrlenErr1RequiresViolation, cstrlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-03-29 20:20:33,939 INFO L82 PathProgramCache]: Analyzing trace with hash -302183799, 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 [2018-03-29 20:20:33,953 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 20:20:33,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 20:20:33,986 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 20:20:34,024 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 [2018-03-29 20:20:34,027 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 20:20:34,035 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 20:20:34,036 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-29 20:20:34,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:20:34,049 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 20:20:34,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:20:34,079 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 20:20:34,079 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-03-29 20:20:34,081 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-03-29 20:20:34,091 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-03-29 20:20:34,091 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-03-29 20:20:34,093 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 4 states. [2018-03-29 20:20:34,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 20:20:34,159 INFO L93 Difference]: Finished difference Result 55 states and 56 transitions. [2018-03-29 20:20:34,159 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-03-29 20:20:34,160 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-03-29 20:20:34,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 20:20:34,170 INFO L225 Difference]: With dead ends: 55 [2018-03-29 20:20:34,170 INFO L226 Difference]: Without dead ends: 38 [2018-03-29 20:20:34,173 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-03-29 20:20:34,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-03-29 20:20:34,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2018-03-29 20:20:34,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-03-29 20:20:34,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 39 transitions. [2018-03-29 20:20:34,208 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 39 transitions. Word has length 13 [2018-03-29 20:20:34,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 20:20:34,208 INFO L459 AbstractCegarLoop]: Abstraction has 38 states and 39 transitions. [2018-03-29 20:20:34,208 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-03-29 20:20:34,209 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 39 transitions. [2018-03-29 20:20:34,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-03-29 20:20:34,209 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 20:20:34,209 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 20:20:34,209 INFO L408 AbstractCegarLoop]: === Iteration 2 === [cstrlenErr1RequiresViolation, cstrlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-03-29 20:20:34,209 INFO L82 PathProgramCache]: Analyzing trace with hash -302183798, 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 [2018-03-29 20:20:34,215 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 20:20:34,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 20:20:34,230 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 20:20:34,241 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 [2018-03-29 20:20:34,242 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 20:20:34,255 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 20:20:34,255 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-03-29 20:20:34,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:20:34,311 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 20:20:34,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:20:34,387 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 20:20:34,388 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2018-03-29 20:20:34,389 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-03-29 20:20:34,389 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-03-29 20:20:34,389 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-03-29 20:20:34,389 INFO L87 Difference]: Start difference. First operand 38 states and 39 transitions. Second operand 7 states. [2018-03-29 20:20:34,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 20:20:34,458 INFO L93 Difference]: Finished difference Result 38 states and 39 transitions. [2018-03-29 20:20:34,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-03-29 20:20:34,458 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2018-03-29 20:20:34,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 20:20:34,460 INFO L225 Difference]: With dead ends: 38 [2018-03-29 20:20:34,460 INFO L226 Difference]: Without dead ends: 37 [2018-03-29 20:20:34,461 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-03-29 20:20:34,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-03-29 20:20:34,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-03-29 20:20:34,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-03-29 20:20:34,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 38 transitions. [2018-03-29 20:20:34,465 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 38 transitions. Word has length 13 [2018-03-29 20:20:34,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 20:20:34,465 INFO L459 AbstractCegarLoop]: Abstraction has 37 states and 38 transitions. [2018-03-29 20:20:34,466 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-03-29 20:20:34,466 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2018-03-29 20:20:34,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-03-29 20:20:34,466 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 20:20:34,466 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 20:20:34,466 INFO L408 AbstractCegarLoop]: === Iteration 3 === [cstrlenErr1RequiresViolation, cstrlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-03-29 20:20:34,467 INFO L82 PathProgramCache]: Analyzing trace with hash 1143216026, 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 [2018-03-29 20:20:34,472 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 20:20:34,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 20:20:34,490 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 20:20:34,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:20:34,547 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 20:20:34,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:20:34,581 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 20:20:34,582 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2018-03-29 20:20:34,582 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-03-29 20:20:34,582 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-03-29 20:20:34,583 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-03-29 20:20:34,583 INFO L87 Difference]: Start difference. First operand 37 states and 38 transitions. Second operand 6 states. [2018-03-29 20:20:34,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 20:20:34,727 INFO L93 Difference]: Finished difference Result 41 states and 42 transitions. [2018-03-29 20:20:34,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-03-29 20:20:34,727 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2018-03-29 20:20:34,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 20:20:34,728 INFO L225 Difference]: With dead ends: 41 [2018-03-29 20:20:34,729 INFO L226 Difference]: Without dead ends: 40 [2018-03-29 20:20:34,729 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-03-29 20:20:34,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-03-29 20:20:34,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 39. [2018-03-29 20:20:34,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-03-29 20:20:34,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 41 transitions. [2018-03-29 20:20:34,735 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 41 transitions. Word has length 18 [2018-03-29 20:20:34,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 20:20:34,735 INFO L459 AbstractCegarLoop]: Abstraction has 39 states and 41 transitions. [2018-03-29 20:20:34,735 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-03-29 20:20:34,736 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 41 transitions. [2018-03-29 20:20:34,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-03-29 20:20:34,736 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 20:20:34,736 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 20:20:34,736 INFO L408 AbstractCegarLoop]: === Iteration 4 === [cstrlenErr1RequiresViolation, cstrlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-03-29 20:20:34,737 INFO L82 PathProgramCache]: Analyzing trace with hash 1143216027, 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 [2018-03-29 20:20:34,744 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 20:20:34,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 20:20:34,760 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 20:20:34,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:20:34,846 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 20:20:34,858 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 [2018-03-29 20:20:34,858 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 20:20:34,867 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 [2018-03-29 20:20:34,868 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 20:20:34,872 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-29 20:20:34,872 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2018-03-29 20:20:34,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:20:34,910 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 20:20:34,911 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2018-03-29 20:20:34,911 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-03-29 20:20:34,911 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-03-29 20:20:34,912 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-03-29 20:20:34,912 INFO L87 Difference]: Start difference. First operand 39 states and 41 transitions. Second operand 9 states. [2018-03-29 20:20:35,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 20:20:35,046 INFO L93 Difference]: Finished difference Result 40 states and 41 transitions. [2018-03-29 20:20:35,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-03-29 20:20:35,046 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 18 [2018-03-29 20:20:35,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 20:20:35,047 INFO L225 Difference]: With dead ends: 40 [2018-03-29 20:20:35,047 INFO L226 Difference]: Without dead ends: 39 [2018-03-29 20:20:35,048 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 26 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2018-03-29 20:20:35,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-03-29 20:20:35,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2018-03-29 20:20:35,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-03-29 20:20:35,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 40 transitions. [2018-03-29 20:20:35,054 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 40 transitions. Word has length 18 [2018-03-29 20:20:35,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 20:20:35,055 INFO L459 AbstractCegarLoop]: Abstraction has 39 states and 40 transitions. [2018-03-29 20:20:35,055 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-03-29 20:20:35,055 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2018-03-29 20:20:35,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-03-29 20:20:35,056 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 20:20:35,056 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 20:20:35,056 INFO L408 AbstractCegarLoop]: === Iteration 5 === [cstrlenErr1RequiresViolation, cstrlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-03-29 20:20:35,056 INFO L82 PathProgramCache]: Analyzing trace with hash 2040270873, 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 [2018-03-29 20:20:35,062 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 20:20:35,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 20:20:35,080 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 20:20:35,115 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-03-29 20:20:35,115 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 20:20:35,125 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-03-29 20:20:35,151 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 20:20:35,152 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2018-03-29 20:20:35,152 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-03-29 20:20:35,152 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-03-29 20:20:35,152 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-03-29 20:20:35,153 INFO L87 Difference]: Start difference. First operand 39 states and 40 transitions. Second operand 7 states. [2018-03-29 20:20:35,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 20:20:35,224 INFO L93 Difference]: Finished difference Result 39 states and 40 transitions. [2018-03-29 20:20:35,225 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-03-29 20:20:35,225 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 25 [2018-03-29 20:20:35,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 20:20:35,225 INFO L225 Difference]: With dead ends: 39 [2018-03-29 20:20:35,225 INFO L226 Difference]: Without dead ends: 38 [2018-03-29 20:20:35,226 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-03-29 20:20:35,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-03-29 20:20:35,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2018-03-29 20:20:35,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-03-29 20:20:35,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 39 transitions. [2018-03-29 20:20:35,229 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 39 transitions. Word has length 25 [2018-03-29 20:20:35,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 20:20:35,230 INFO L459 AbstractCegarLoop]: Abstraction has 38 states and 39 transitions. [2018-03-29 20:20:35,230 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-03-29 20:20:35,230 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 39 transitions. [2018-03-29 20:20:35,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-03-29 20:20:35,230 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 20:20:35,230 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 20:20:35,230 INFO L408 AbstractCegarLoop]: === Iteration 6 === [cstrlenErr1RequiresViolation, cstrlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-03-29 20:20:35,231 INFO L82 PathProgramCache]: Analyzing trace with hash 2040270874, 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 [2018-03-29 20:20:35,236 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 20:20:35,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 20:20:35,252 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 20:20:35,266 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 [2018-03-29 20:20:35,268 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 [2018-03-29 20:20:35,268 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 20:20:35,269 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 20:20:35,274 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. [2018-03-29 20:20:35,274 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:21 [2018-03-29 20:20:35,334 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 18 treesize of output 14 [2018-03-29 20:20:35,342 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 14 treesize of output 11 [2018-03-29 20:20:35,342 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-03-29 20:20:35,346 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-29 20:20:35,358 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-03-29 20:20:35,358 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:34, output treesize:33 [2018-03-29 20:20:35,449 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:20:35,449 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 20:20:35,606 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 [2018-03-29 20:20:35,606 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 20:20:35,613 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 [2018-03-29 20:20:35,624 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 [2018-03-29 20:20:35,625 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-29 20:20:35,626 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 20:20:35,630 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 20:20:35,631 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:35, output treesize:7 [2018-03-29 20:20:35,635 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:20:35,656 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-29 20:20:35,656 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2018-03-29 20:20:35,657 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-03-29 20:20:35,657 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-03-29 20:20:35,657 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2018-03-29 20:20:35,657 INFO L87 Difference]: Start difference. First operand 38 states and 39 transitions. Second operand 19 states. [2018-03-29 20:20:36,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 20:20:36,690 INFO L93 Difference]: Finished difference Result 58 states and 61 transitions. [2018-03-29 20:20:36,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-03-29 20:20:36,690 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 25 [2018-03-29 20:20:36,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 20:20:36,693 INFO L225 Difference]: With dead ends: 58 [2018-03-29 20:20:36,693 INFO L226 Difference]: Without dead ends: 57 [2018-03-29 20:20:36,693 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 31 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=195, Invalid=735, Unknown=0, NotChecked=0, Total=930 [2018-03-29 20:20:36,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-03-29 20:20:36,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 45. [2018-03-29 20:20:36,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-03-29 20:20:36,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 47 transitions. [2018-03-29 20:20:36,700 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 47 transitions. Word has length 25 [2018-03-29 20:20:36,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 20:20:36,700 INFO L459 AbstractCegarLoop]: Abstraction has 45 states and 47 transitions. [2018-03-29 20:20:36,700 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-03-29 20:20:36,700 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 47 transitions. [2018-03-29 20:20:36,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-03-29 20:20:36,701 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 20:20:36,701 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] [2018-03-29 20:20:36,701 INFO L408 AbstractCegarLoop]: === Iteration 7 === [cstrlenErr1RequiresViolation, cstrlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-03-29 20:20:36,701 INFO L82 PathProgramCache]: Analyzing trace with hash 1261381256, 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 [2018-03-29 20:20:36,707 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 20:20:36,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 20:20:36,720 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 20:20:36,730 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 20:20:36,731 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2018-03-29 20:20:36,731 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 20:20:36,732 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. [2018-03-29 20:20:36,732 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-03-29 20:20:36,750 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc5.base| Int)) (and (= |c_#valid| (store |c_old(#valid)| |main_#t~malloc5.base| 0)) (= 0 (select |c_old(#valid)| |main_#t~malloc5.base|)))) is different from true [2018-03-29 20:20:36,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:20:36,753 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 20:20:36,763 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc5.base_10| Int)) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc5.base_10|))) (= (store |c_#valid| |v_main_#t~malloc5.base_10| 0) |c_old(#valid)|))) is different from false [2018-03-29 20:20:36,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:20:36,803 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 20:20:36,804 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 7 [2018-03-29 20:20:36,804 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-03-29 20:20:36,804 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-03-29 20:20:36,804 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=21, Unknown=2, NotChecked=18, Total=56 [2018-03-29 20:20:36,804 INFO L87 Difference]: Start difference. First operand 45 states and 47 transitions. Second operand 8 states. [2018-03-29 20:20:36,813 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc5.base_10| Int)) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc5.base_10|))) (= (store |c_#valid| |v_main_#t~malloc5.base_10| 0) |c_old(#valid)|)))) is different from false [2018-03-29 20:20:36,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 20:20:36,905 INFO L93 Difference]: Finished difference Result 56 states and 58 transitions. [2018-03-29 20:20:36,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-03-29 20:20:36,905 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 29 [2018-03-29 20:20:36,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 20:20:36,907 INFO L225 Difference]: With dead ends: 56 [2018-03-29 20:20:36,907 INFO L226 Difference]: Without dead ends: 49 [2018-03-29 20:20:36,907 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 51 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=52, Unknown=3, NotChecked=48, Total=132 [2018-03-29 20:20:36,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-03-29 20:20:36,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-03-29 20:20:36,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-03-29 20:20:36,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 51 transitions. [2018-03-29 20:20:36,918 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 51 transitions. Word has length 29 [2018-03-29 20:20:36,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 20:20:36,919 INFO L459 AbstractCegarLoop]: Abstraction has 49 states and 51 transitions. [2018-03-29 20:20:36,919 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-03-29 20:20:36,919 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 51 transitions. [2018-03-29 20:20:36,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-03-29 20:20:36,920 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 20:20:36,920 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 20:20:36,920 INFO L408 AbstractCegarLoop]: === Iteration 8 === [cstrlenErr1RequiresViolation, cstrlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-03-29 20:20:36,920 INFO L82 PathProgramCache]: Analyzing trace with hash 1817018028, 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 [2018-03-29 20:20:36,933 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 20:20:36,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 20:20:36,948 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 20:20:36,969 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 20:20:36,970 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2018-03-29 20:20:36,971 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 20:20:36,973 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. [2018-03-29 20:20:36,973 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-03-29 20:20:36,994 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc5.base| Int)) (and (= |c_#valid| (store |c_old(#valid)| |main_#t~malloc5.base| 0)) (= 0 (select |c_old(#valid)| |main_#t~malloc5.base|)))) is different from true [2018-03-29 20:20:36,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:20:36,996 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 20:20:37,014 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc5.base_12| Int)) (or (not (= (select |c_#valid| |v_main_#t~malloc5.base_12|) 0)) (= |c_old(#valid)| (store |c_#valid| |v_main_#t~malloc5.base_12| 0)))) is different from false [2018-03-29 20:20:37,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:20:37,062 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 20:20:37,062 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 7 [2018-03-29 20:20:37,063 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-03-29 20:20:37,063 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-03-29 20:20:37,063 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=21, Unknown=2, NotChecked=18, Total=56 [2018-03-29 20:20:37,063 INFO L87 Difference]: Start difference. First operand 49 states and 51 transitions. Second operand 8 states. [2018-03-29 20:20:37,069 WARN L1011 $PredicateComparison]: unable to prove that (and (forall ((|v_main_#t~malloc5.base_12| Int)) (or (not (= (select |c_#valid| |v_main_#t~malloc5.base_12|) 0)) (= |c_old(#valid)| (store |c_#valid| |v_main_#t~malloc5.base_12| 0)))) (= |c_#valid| |c_old(#valid)|)) is different from false [2018-03-29 20:20:37,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 20:20:37,151 INFO L93 Difference]: Finished difference Result 49 states and 51 transitions. [2018-03-29 20:20:37,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-03-29 20:20:37,151 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 30 [2018-03-29 20:20:37,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 20:20:37,152 INFO L225 Difference]: With dead ends: 49 [2018-03-29 20:20:37,152 INFO L226 Difference]: Without dead ends: 38 [2018-03-29 20:20:37,153 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 53 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=52, Unknown=3, NotChecked=48, Total=132 [2018-03-29 20:20:37,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-03-29 20:20:37,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 34. [2018-03-29 20:20:37,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-03-29 20:20:37,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 35 transitions. [2018-03-29 20:20:37,160 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 35 transitions. Word has length 30 [2018-03-29 20:20:37,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 20:20:37,160 INFO L459 AbstractCegarLoop]: Abstraction has 34 states and 35 transitions. [2018-03-29 20:20:37,160 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-03-29 20:20:37,160 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2018-03-29 20:20:37,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-03-29 20:20:37,161 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 20:20:37,161 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 20:20:37,162 INFO L408 AbstractCegarLoop]: === Iteration 9 === [cstrlenErr1RequiresViolation, cstrlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-03-29 20:20:37,162 INFO L82 PathProgramCache]: Analyzing trace with hash 745691835, now seen corresponding path program 2 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 [2018-03-29 20:20:37,172 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 20:20:37,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 20:20:37,194 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 20:20:37,198 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 [2018-03-29 20:20:37,199 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 20:20:37,203 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 20:20:37,203 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-29 20:20:37,216 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 [2018-03-29 20:20:37,218 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 [2018-03-29 20:20:37,218 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 20:20:37,220 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 20:20:37,221 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 20:20:37,221 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:15, output treesize:11 [2018-03-29 20:20:37,279 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 19 treesize of output 15 [2018-03-29 20:20:37,285 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 15 treesize of output 12 [2018-03-29 20:20:37,285 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-03-29 20:20:37,290 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-29 20:20:37,295 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-03-29 20:20:37,296 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:29, output treesize:34 [2018-03-29 20:20:37,361 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:20:37,361 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 20:20:37,726 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 [2018-03-29 20:20:37,735 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 [2018-03-29 20:20:37,736 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 20:20:37,737 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 20:20:37,742 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-03-29 20:20:37,743 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:31, output treesize:35 [2018-03-29 20:20:37,812 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:20:37,833 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-29 20:20:37,833 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 27 [2018-03-29 20:20:37,834 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-03-29 20:20:37,834 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-03-29 20:20:37,834 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=676, Unknown=0, NotChecked=0, Total=756 [2018-03-29 20:20:37,834 INFO L87 Difference]: Start difference. First operand 34 states and 35 transitions. Second operand 28 states. [2018-03-29 20:20:38,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 20:20:38,450 INFO L93 Difference]: Finished difference Result 38 states and 39 transitions. [2018-03-29 20:20:38,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-03-29 20:20:38,450 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 32 [2018-03-29 20:20:38,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 20:20:38,451 INFO L225 Difference]: With dead ends: 38 [2018-03-29 20:20:38,451 INFO L226 Difference]: Without dead ends: 0 [2018-03-29 20:20:38,452 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 219 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=394, Invalid=1586, Unknown=0, NotChecked=0, Total=1980 [2018-03-29 20:20:38,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-03-29 20:20:38,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-03-29 20:20:38,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-03-29 20:20:38,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-03-29 20:20:38,453 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2018-03-29 20:20:38,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 20:20:38,453 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-03-29 20:20:38,453 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-03-29 20:20:38,453 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-03-29 20:20:38,453 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-03-29 20:20:38,458 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-03-29 20:20:39,185 WARN L151 SmtUtils]: Spent 520ms on a formula simplification. DAG size of input: 54 DAG size of output 31 [2018-03-29 20:20:39,328 WARN L151 SmtUtils]: Spent 140ms on a formula simplification. DAG size of input: 99 DAG size of output 48 [2018-03-29 20:20:39,331 INFO L416 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-03-29 20:20:39,331 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-03-29 20:20:39,331 INFO L412 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-03-29 20:20:39,331 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-03-29 20:20:39,331 INFO L416 ceAbstractionStarter]: For program point L59(line 59) no Hoare annotation was computed. [2018-03-29 20:20:39,332 INFO L416 ceAbstractionStarter]: For program point L59'(line 59) no Hoare annotation was computed. [2018-03-29 20:20:39,332 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____bswap_32ENTRY(lines 56 60) no Hoare annotation was computed. [2018-03-29 20:20:39,332 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____bswap_32FINAL(lines 56 60) no Hoare annotation was computed. [2018-03-29 20:20:39,332 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____bswap_32EXIT(lines 56 60) no Hoare annotation was computed. [2018-03-29 20:20:39,332 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____bswap_64ENTRY(lines 61 65) no Hoare annotation was computed. [2018-03-29 20:20:39,332 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____bswap_64EXIT(lines 61 65) no Hoare annotation was computed. [2018-03-29 20:20:39,332 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____bswap_64FINAL(lines 61 65) no Hoare annotation was computed. [2018-03-29 20:20:39,332 INFO L416 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-03-29 20:20:39,332 INFO L416 ceAbstractionStarter]: For program point L64'(line 64) no Hoare annotation was computed. [2018-03-29 20:20:39,332 INFO L419 ceAbstractionStarter]: At program point cstrlenENTRY(lines 540 546) the Hoare annotation is: true [2018-03-29 20:20:39,332 INFO L416 ceAbstractionStarter]: For program point cstrlenErr1RequiresViolation(line 543) no Hoare annotation was computed. [2018-03-29 20:20:39,332 INFO L416 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-03-29 20:20:39,332 INFO L416 ceAbstractionStarter]: For program point cstrlenEXIT(lines 540 546) no Hoare annotation was computed. [2018-03-29 20:20:39,332 INFO L416 ceAbstractionStarter]: For program point L543''''(line 543) no Hoare annotation was computed. [2018-03-29 20:20:39,333 INFO L416 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-03-29 20:20:39,333 INFO L416 ceAbstractionStarter]: For program point L543(lines 543 544) no Hoare annotation was computed. [2018-03-29 20:20:39,333 INFO L412 ceAbstractionStarter]: At program point L543'''''(lines 543 544) the Hoare annotation is: (let ((.cse0 (select |#length| |cstrlen_#in~s.base|))) (or (< .cse0 (+ |cstrlen_#in~s.offset| 1)) (< |cstrlen_#in~s.offset| 0) (let ((.cse1 (select |#length| cstrlen_~s.base)) (.cse2 (select |#length| cstrlen_~p~0.base))) (and (= (select (select |#memory_int| cstrlen_~s.base) (+ .cse1 (- 1))) 0) (= (select |#valid| cstrlen_~s.base) 1) (<= (+ cstrlen_~s.offset 1) .cse1) (<= 0 cstrlen_~s.offset) (= 1 (select |#valid| cstrlen_~p~0.base)) (<= 0 cstrlen_~p~0.offset) (<= (+ cstrlen_~p~0.offset 1) .cse2) (= (select (select |#memory_int| cstrlen_~p~0.base) (+ .cse2 (- 1))) 0))) (not (= (select |#valid| |cstrlen_#in~s.base|) 1)) (not (= (select (select |#memory_int| |cstrlen_#in~s.base|) (+ .cse0 (- 1))) 0)))) [2018-03-29 20:20:39,333 INFO L416 ceAbstractionStarter]: For program point cstrlenErr0RequiresViolation(line 543) no Hoare annotation was computed. [2018-03-29 20:20:39,333 INFO L416 ceAbstractionStarter]: For program point L543''''''(lines 543 544) no Hoare annotation was computed. [2018-03-29 20:20:39,333 INFO L416 ceAbstractionStarter]: For program point L543'(lines 543 544) no Hoare annotation was computed. [2018-03-29 20:20:39,333 INFO L416 ceAbstractionStarter]: For program point L544'(line 544) no Hoare annotation was computed. [2018-03-29 20:20:39,333 INFO L416 ceAbstractionStarter]: For program point cstrlenFINAL(lines 540 546) no Hoare annotation was computed. [2018-03-29 20:20:39,333 INFO L416 ceAbstractionStarter]: For program point L544''(line 544) no Hoare annotation was computed. [2018-03-29 20:20:39,333 INFO L416 ceAbstractionStarter]: For program point L543''(line 543) no Hoare annotation was computed. [2018-03-29 20:20:39,333 INFO L419 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-03-29 20:20:39,333 INFO L419 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-03-29 20:20:39,333 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-03-29 20:20:39,333 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-03-29 20:20:39,334 INFO L416 ceAbstractionStarter]: For program point mainErr1RequiresViolation(line 553) no Hoare annotation was computed. [2018-03-29 20:20:39,334 INFO L416 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-03-29 20:20:39,334 INFO L416 ceAbstractionStarter]: For program point L552(line 552) no Hoare annotation was computed. [2018-03-29 20:20:39,334 INFO L416 ceAbstractionStarter]: For program point L552'(line 552) no Hoare annotation was computed. [2018-03-29 20:20:39,334 INFO L416 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-03-29 20:20:39,334 INFO L412 ceAbstractionStarter]: At program point L553'(line 553) the Hoare annotation is: (let ((.cse0 (select |#length| main_~nondetString1~0.base))) (and (= 0 |main_#t~malloc5.offset|) (= 0 main_~nondetString1~0.offset) (= .cse0 main_~length1~0) (<= 1 main_~length1~0) (= 0 (select |old(#valid)| |main_#t~malloc5.base|)) (= 1 (select |#valid| main_~nondetString1~0.base)) (= (select |#length| |main_#t~malloc5.base|) main_~length1~0) (= |#valid| (store |old(#valid)| |main_#t~malloc5.base| 1)) (= 0 (select (select |#memory_int| main_~nondetString1~0.base) (+ .cse0 (- 1)))))) [2018-03-29 20:20:39,334 INFO L416 ceAbstractionStarter]: For program point mainFINAL(lines 547 555) no Hoare annotation was computed. [2018-03-29 20:20:39,334 INFO L416 ceAbstractionStarter]: For program point mainErr2EnsuresViolationMEMORY_LEAK(lines 547 555) no Hoare annotation was computed. [2018-03-29 20:20:39,334 INFO L416 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-03-29 20:20:39,334 INFO L416 ceAbstractionStarter]: For program point L549(lines 549 551) no Hoare annotation was computed. [2018-03-29 20:20:39,334 INFO L416 ceAbstractionStarter]: For program point mainErr0RequiresViolation(line 553) no Hoare annotation was computed. [2018-03-29 20:20:39,334 INFO L416 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-03-29 20:20:39,334 INFO L416 ceAbstractionStarter]: For program point mainEXIT(lines 547 555) no Hoare annotation was computed. [2018-03-29 20:20:39,335 INFO L412 ceAbstractionStarter]: At program point mainENTRY(lines 547 555) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-03-29 20:20:39,335 INFO L416 ceAbstractionStarter]: For program point L552''(line 552) no Hoare annotation was computed. [2018-03-29 20:20:39,335 INFO L416 ceAbstractionStarter]: For program point L554'(line 554) no Hoare annotation was computed. [2018-03-29 20:20:39,335 INFO L416 ceAbstractionStarter]: For program point L554''(line 554) no Hoare annotation was computed. [2018-03-29 20:20:39,335 INFO L416 ceAbstractionStarter]: For program point L548'(line 548) no Hoare annotation was computed. [2018-03-29 20:20:39,335 INFO L416 ceAbstractionStarter]: For program point L549''(lines 549 551) no Hoare annotation was computed. [2018-03-29 20:20:39,342 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-29 20:20:39,344 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-29 20:20:39,344 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-29 20:20:39,344 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-29 20:20:39,344 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-29 20:20:39,345 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-29 20:20:39,345 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-29 20:20:39,345 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-29 20:20:39,345 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-29 20:20:39,349 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-29 20:20:39,349 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-29 20:20:39,350 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-29 20:20:39,350 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-29 20:20:39,350 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-29 20:20:39,350 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-29 20:20:39,351 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-29 20:20:39,351 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-29 20:20:39,351 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-29 20:20:39,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 08:20:39 BoogieIcfgContainer [2018-03-29 20:20:39,354 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-03-29 20:20:39,355 INFO L168 Benchmark]: Toolchain (without parser) took 6309.26 ms. Allocated memory was 304.1 MB in the beginning and 552.6 MB in the end (delta: 248.5 MB). Free memory was 241.0 MB in the beginning and 475.6 MB in the end (delta: -234.6 MB). Peak memory consumption was 13.9 MB. Max. memory is 5.3 GB. [2018-03-29 20:20:39,357 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 304.1 MB. Free memory is still 266.4 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-03-29 20:20:39,357 INFO L168 Benchmark]: CACSL2BoogieTranslator took 305.63 ms. Allocated memory is still 304.1 MB. Free memory was 241.0 MB in the beginning and 217.0 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 5.3 GB. [2018-03-29 20:20:39,357 INFO L168 Benchmark]: Boogie Preprocessor took 49.59 ms. Allocated memory is still 304.1 MB. Free memory was 217.0 MB in the beginning and 215.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-03-29 20:20:39,358 INFO L168 Benchmark]: RCFGBuilder took 450.19 ms. Allocated memory was 304.1 MB in the beginning and 460.8 MB in the end (delta: 156.8 MB). Free memory was 215.0 MB in the beginning and 401.5 MB in the end (delta: -186.5 MB). Peak memory consumption was 22.2 MB. Max. memory is 5.3 GB. [2018-03-29 20:20:39,359 INFO L168 Benchmark]: TraceAbstraction took 5499.45 ms. Allocated memory was 460.8 MB in the beginning and 552.6 MB in the end (delta: 91.8 MB). Free memory was 401.5 MB in the beginning and 475.6 MB in the end (delta: -74.1 MB). Peak memory consumption was 17.6 MB. Max. memory is 5.3 GB. [2018-03-29 20:20:39,361 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 304.1 MB. Free memory is still 266.4 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 305.63 ms. Allocated memory is still 304.1 MB. Free memory was 241.0 MB in the beginning and 217.0 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 49.59 ms. Allocated memory is still 304.1 MB. Free memory was 217.0 MB in the beginning and 215.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 450.19 ms. Allocated memory was 304.1 MB in the beginning and 460.8 MB in the end (delta: 156.8 MB). Free memory was 215.0 MB in the beginning and 401.5 MB in the end (delta: -186.5 MB). Peak memory consumption was 22.2 MB. Max. memory is 5.3 GB. * TraceAbstraction took 5499.45 ms. Allocated memory was 460.8 MB in the beginning and 552.6 MB in the end (delta: 91.8 MB). Free memory was 401.5 MB in the beginning and 475.6 MB in the end (delta: -74.1 MB). Peak memory consumption was 17.6 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - 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 #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 #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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 543]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 543]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 553]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 553]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 543]: Loop Invariant [2018-03-29 20:20:39,369 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-29 20:20:39,369 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-29 20:20:39,369 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-29 20:20:39,370 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-29 20:20:39,370 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-29 20:20:39,370 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-29 20:20:39,370 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-29 20:20:39,370 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-29 20:20:39,371 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-29 20:20:39,372 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-29 20:20:39,373 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-29 20:20:39,373 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-29 20:20:39,373 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-29 20:20:39,373 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-29 20:20:39,373 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-29 20:20:39,374 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-29 20:20:39,374 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-29 20:20:39,374 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: (((unknown-#length-unknown[s] < s + 1 || s < 0) || (((((((unknown-#memory_int-unknown[s][unknown-#length-unknown[s] + -1] == 0 && \valid[s] == 1) && s + 1 <= unknown-#length-unknown[s]) && 0 <= s) && 1 == \valid[p]) && 0 <= p) && p + 1 <= unknown-#length-unknown[p]) && unknown-#memory_int-unknown[p][unknown-#length-unknown[p] + -1] == 0)) || !(\valid[s] == 1)) || !(unknown-#memory_int-unknown[s][unknown-#length-unknown[s] + -1] == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 52 locations, 5 error locations. SAFE Result, 5.4s OverallTime, 9 OverallIterations, 3 TraceHistogramMax, 2.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 269 SDtfs, 417 SDslu, 1059 SDs, 0 SdLazy, 694 SolverSat, 55 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 448 GetRequests, 316 SyntacticMatches, 5 SemanticMatches, 127 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 352 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 17 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 9 NumberOfFragments, 141 HoareAnnotationTreeSize, 7 FomulaSimplifications, 26 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 733 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 203 NumberOfCodeBlocks, 203 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 388 ConstructedInterpolants, 50 QuantifiedInterpolants, 66352 SizeOfPredicates, 60 NumberOfNonLiveVariables, 661 ConjunctsInSsa, 127 ConjunctsInUnsatCore, 18 InterpolantComputations, 14 PerfectInterpolantSequences, 6/30 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/cstrlen-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-03-29_20-20-39-379.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrlen-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-03-29_20-20-39-379.csv Received shutdown request...