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/subseq-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-453dfda-m [2018-04-09 20:38:39,787 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-09 20:38:39,788 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-09 20:38:39,802 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-04-09 20:38:39,832 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf [2018-04-09 20:38:39,856 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-09 20:38:39,856 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-09 20:38:39,856 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-04-09 20:38:39,856 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-04-09 20:38:39,857 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-04-09 20:38:39,857 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-04-09 20:38:39,857 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-04-09 20:38:39,858 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-04-09 20:38:39,858 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-04-09 20:38:39,858 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-04-09 20:38:39,858 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-04-09 20:38:39,858 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-04-09 20:38:39,858 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-09 20:38:39,859 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-09 20:38:39,859 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-09 20:38:39,859 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-09 20:38:39,859 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-09 20:38:39,859 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-09 20:38:39,859 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-09 20:38:39,860 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-04-09 20:38:39,860 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-09 20:38:39,860 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-09 20:38:39,860 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-09 20:38:39,860 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-04-09 20:38:39,860 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-04-09 20:38:39,861 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-09 20:38:39,861 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-09 20:38:39,861 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-09 20:38:39,861 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-09 20:38:39,861 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-09 20:38:39,862 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-04-09 20:38:39,862 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-04-09 20:38:39,862 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:38:39,862 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-04-09 20:38:39,863 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-04-09 20:38:39,863 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-04-09 20:38:39,863 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-04-09 20:38:39,863 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-04-09 20:38:39,895 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-09 20:38:39,906 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-09 20:38:39,910 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-09 20:38:39,911 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-09 20:38:39,912 INFO L276 PluginConnector]: CDTParser initialized [2018-04-09 20:38:39,912 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,261 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG15b8a469b [2018-04-09 20:38:40,426 INFO L287 CDTParser]: IsIndexed: true [2018-04-09 20:38:40,426 INFO L288 CDTParser]: Found 1 translation units. [2018-04-09 20:38:40,427 INFO L168 CDTParser]: Scanning subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,437 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-09 20:38:40,437 INFO L215 ultiparseSymbolTable]: [2018-04-09 20:38:40,437 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-09 20:38:40,437 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____bswap_64 ('__bswap_64') in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,437 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,438 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____bswap_32 ('__bswap_32') in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,438 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__ ('') in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,438 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-09 20:38:40,438 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____intptr_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,438 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____ssize_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,438 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__pthread_mutexattr_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,438 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__fsfilcnt_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,438 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____timer_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,438 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____mode_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,439 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__int32_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,439 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____u_short in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,439 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____socklen_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,439 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__key_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,439 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__size_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,439 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__off_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,439 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____int32_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,439 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____rlim_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,439 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__fsblkcnt_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,439 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____rlim64_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,439 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__u_int in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,439 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__register_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,440 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__u_int64_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,440 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____fsfilcnt64_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,440 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____fsblkcnt64_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,440 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__pthread_mutex_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,440 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____fsfilcnt_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,440 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__ldiv_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,440 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__ino_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,440 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____time_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,440 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__int8_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,441 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____u_char in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,441 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____suseconds_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,441 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____caddr_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,441 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____dev_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,441 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____qaddr_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,441 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__int16_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,441 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__lldiv_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,441 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__wchar_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,442 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____blksize_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,442 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__blksize_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,442 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__pthread_attr_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,442 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__uid_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,442 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____uint32_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,442 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__pthread_condattr_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,442 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__pthread_once_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,442 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__blkcnt_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,443 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____int8_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,443 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__u_char in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,443 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____u_long in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,443 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____int16_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,443 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__div_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,443 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__caddr_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,443 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__pthread_spinlock_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,443 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__mode_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,444 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__pid_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,444 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__fd_set in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,444 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____sigset_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,444 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__gid_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,444 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__u_short in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,444 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__ulong in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,444 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____fsid_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,444 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__u_long in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,444 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____ino_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,445 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____ino64_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,445 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____u_quad_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,445 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____pid_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,445 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____syscall_slong_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,445 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__pthread_barrier_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,445 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____off_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,445 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____WAIT_STATUS in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,445 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____gid_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,445 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__clock_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,446 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____uint16_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,446 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____loff_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,446 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__suseconds_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,446 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____blkcnt_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,446 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__quad_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,446 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__u_int16_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,446 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__pthread_cond_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,446 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__daddr_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,446 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__fsid_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,446 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____key_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,446 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____clockid_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,446 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____daddr_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,446 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____clock_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,446 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____pthread_list_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,446 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__pthread_barrierattr_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,447 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____useconds_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,447 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__int64_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,447 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____quad_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,447 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__u_quad_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,447 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__ushort in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,447 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____uint8_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,447 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____off64_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,447 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__loff_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,447 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____int64_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,447 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____fsblkcnt_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,447 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____syscall_ulong_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,447 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____sig_atomic_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,448 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__u_int32_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,448 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____id_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,448 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____fd_mask in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,448 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____u_int in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,448 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__pthread_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,448 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__u_int8_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,448 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__time_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,448 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__pthread_key_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,448 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__pthread_rwlock_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,448 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____nlink_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,449 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__clockid_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,449 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__timer_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,449 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__dev_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,449 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__sigset_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,449 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__id_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,449 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____uint64_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,449 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__fd_mask in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,449 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____blkcnt64_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,449 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____fsword_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,450 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,450 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__ssize_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,450 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____uid_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,450 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__nlink_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,450 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__uint in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:40,469 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG15b8a469b [2018-04-09 20:38:40,473 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-09 20:38:40,475 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-09 20:38:40,476 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-09 20:38:40,476 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-09 20:38:40,482 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-09 20:38:40,483 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.04 08:38:40" (1/1) ... [2018-04-09 20:38:40,485 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a245e75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 08:38:40, skipping insertion in model container [2018-04-09 20:38:40,485 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.04 08:38:40" (1/1) ... [2018-04-09 20:38:40,500 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-09 20:38:40,529 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-09 20:38:40,716 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-09 20:38:40,767 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-09 20:38:40,774 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-09 20:38:40,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 08:38:40 WrapperNode [2018-04-09 20:38:40,819 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-09 20:38:40,820 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-09 20:38:40,820 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-09 20:38:40,820 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-09 20:38:40,834 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 08:38:40" (1/1) ... [2018-04-09 20:38:40,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 08:38:40" (1/1) ... [2018-04-09 20:38:40,850 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 08:38:40" (1/1) ... [2018-04-09 20:38:40,850 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 08:38:40" (1/1) ... [2018-04-09 20:38:40,860 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 08:38:40" (1/1) ... [2018-04-09 20:38:40,866 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 08:38:40" (1/1) ... [2018-04-09 20:38:40,869 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 08:38:40" (1/1) ... [2018-04-09 20:38:40,874 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-09 20:38:40,874 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-09 20:38:40,875 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-09 20:38:40,875 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-09 20:38:40,876 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 08:38:40" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-09 20:38:41,010 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-09 20:38:41,010 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-09 20:38:41,010 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-09 20:38:41,011 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-09 20:38:41,011 INFO L136 BoogieDeclarations]: Found implementation of procedure subseq [2018-04-09 20:38:41,011 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-09 20:38:41,011 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-09 20:38:41,011 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-09 20:38:41,011 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-09 20:38:41,011 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-09 20:38:41,012 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-09 20:38:41,012 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-09 20:38:41,012 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-09 20:38:41,012 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-09 20:38:41,012 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-09 20:38:41,012 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-09 20:38:41,013 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-09 20:38:41,013 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-09 20:38:41,013 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-09 20:38:41,013 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-09 20:38:41,013 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-09 20:38:41,013 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-09 20:38:41,014 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-09 20:38:41,014 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-09 20:38:41,014 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-09 20:38:41,014 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-09 20:38:41,014 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-09 20:38:41,014 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-09 20:38:41,015 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-09 20:38:41,015 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-09 20:38:41,015 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-09 20:38:41,015 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-09 20:38:41,015 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-09 20:38:41,015 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-09 20:38:41,015 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-09 20:38:41,016 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-09 20:38:41,016 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-09 20:38:41,016 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-09 20:38:41,016 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-09 20:38:41,016 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-09 20:38:41,016 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-09 20:38:41,016 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-09 20:38:41,016 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-09 20:38:41,017 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-09 20:38:41,017 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-09 20:38:41,017 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-09 20:38:41,017 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-09 20:38:41,017 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-09 20:38:41,017 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-09 20:38:41,017 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-09 20:38:41,018 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-09 20:38:41,018 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-09 20:38:41,018 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-09 20:38:41,018 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-09 20:38:41,018 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-09 20:38:41,018 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-09 20:38:41,018 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-09 20:38:41,018 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-09 20:38:41,019 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-09 20:38:41,019 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-09 20:38:41,019 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-09 20:38:41,019 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-09 20:38:41,019 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-09 20:38:41,019 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-09 20:38:41,019 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-09 20:38:41,020 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-09 20:38:41,020 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-09 20:38:41,020 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-09 20:38:41,020 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-09 20:38:41,020 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-09 20:38:41,020 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-09 20:38:41,020 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-09 20:38:41,020 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-09 20:38:41,021 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-09 20:38:41,021 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-09 20:38:41,021 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-09 20:38:41,021 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-09 20:38:41,021 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-09 20:38:41,021 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-09 20:38:41,021 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-09 20:38:41,021 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-09 20:38:41,022 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-09 20:38:41,022 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-09 20:38:41,022 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-09 20:38:41,022 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-09 20:38:41,022 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-09 20:38:41,022 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-09 20:38:41,022 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-09 20:38:41,022 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-09 20:38:41,023 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-09 20:38:41,023 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-09 20:38:41,023 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-09 20:38:41,023 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-09 20:38:41,023 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-09 20:38:41,023 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-09 20:38:41,023 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-09 20:38:41,024 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-09 20:38:41,024 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-09 20:38:41,024 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-09 20:38:41,024 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-09 20:38:41,024 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-09 20:38:41,024 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-09 20:38:41,024 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-09 20:38:41,025 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-09 20:38:41,025 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-09 20:38:41,025 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-09 20:38:41,025 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-09 20:38:41,025 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-09 20:38:41,025 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-09 20:38:41,025 INFO L128 BoogieDeclarations]: Found specification of procedure subseq [2018-04-09 20:38:41,025 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-09 20:38:41,025 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-09 20:38:41,026 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-09 20:38:41,026 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-09 20:38:41,026 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-09 20:38:41,026 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-09 20:38:41,026 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-09 20:38:41,026 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-09 20:38:41,486 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-09 20:38:41,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.04 08:38:41 BoogieIcfgContainer [2018-04-09 20:38:41,487 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-09 20:38:41,488 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-09 20:38:41,488 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-09 20:38:41,490 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-09 20:38:41,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.04 08:38:40" (1/3) ... [2018-04-09 20:38:41,491 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e3c9e47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.04 08:38:41, skipping insertion in model container [2018-04-09 20:38:41,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 08:38:40" (2/3) ... [2018-04-09 20:38:41,491 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e3c9e47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.04 08:38:41, skipping insertion in model container [2018-04-09 20:38:41,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.04 08:38:41" (3/3) ... [2018-04-09 20:38:41,493 INFO L107 eAbstractionObserver]: Analyzing ICFG subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:38:41,502 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-09 20:38:41,509 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2018-04-09 20:38:41,549 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-09 20:38:41,550 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-09 20:38:41,550 INFO L370 AbstractCegarLoop]: Hoare is true [2018-04-09 20:38:41,550 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-09 20:38:41,550 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-09 20:38:41,550 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-09 20:38:41,550 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-09 20:38:41,550 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-09 20:38:41,550 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-09 20:38:41,551 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-09 20:38:41,570 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states. [2018-04-09 20:38:41,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-09 20:38:41,575 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:38:41,576 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:38:41,576 INFO L408 AbstractCegarLoop]: === Iteration 1 === [subseqErr8RequiresViolation, subseqErr4RequiresViolation, subseqErr2RequiresViolation, subseqErr3RequiresViolation, subseqErr9RequiresViolation, subseqErr7RequiresViolation, subseqErr5RequiresViolation, subseqErr1RequiresViolation, subseqErr0RequiresViolation, subseqErr6RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 20:38:41,581 INFO L82 PathProgramCache]: Analyzing trace with hash 1217463340, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:38:41,593 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:38:41,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:38:41,634 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:38:41,677 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 20:38:41,679 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:38:41,684 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:38:41,684 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-09 20:38:41,709 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-09 20:38:41,709 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:38:41,720 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 20:38:41,721 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2018-04-09 20:38:41,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:38:41,738 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:38:41,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:38:41,800 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 20:38:41,801 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-09 20:38:41,803 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-09 20:38:41,818 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-09 20:38:41,819 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-09 20:38:41,821 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 4 states. [2018-04-09 20:38:41,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:38:41,910 INFO L93 Difference]: Finished difference Result 109 states and 115 transitions. [2018-04-09 20:38:41,910 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-09 20:38:41,912 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2018-04-09 20:38:41,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:38:41,920 INFO L225 Difference]: With dead ends: 109 [2018-04-09 20:38:41,921 INFO L226 Difference]: Without dead ends: 83 [2018-04-09 20:38:41,923 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 33 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-09 20:38:41,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2018-04-09 20:38:41,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2018-04-09 20:38:41,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-04-09 20:38:41,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 88 transitions. [2018-04-09 20:38:41,965 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 88 transitions. Word has length 19 [2018-04-09 20:38:41,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:38:41,966 INFO L459 AbstractCegarLoop]: Abstraction has 83 states and 88 transitions. [2018-04-09 20:38:41,966 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-09 20:38:41,966 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 88 transitions. [2018-04-09 20:38:41,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-09 20:38:41,966 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:38:41,967 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:38:41,967 INFO L408 AbstractCegarLoop]: === Iteration 2 === [subseqErr8RequiresViolation, subseqErr4RequiresViolation, subseqErr2RequiresViolation, subseqErr3RequiresViolation, subseqErr9RequiresViolation, subseqErr7RequiresViolation, subseqErr5RequiresViolation, subseqErr1RequiresViolation, subseqErr0RequiresViolation, subseqErr6RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 20:38:41,967 INFO L82 PathProgramCache]: Analyzing trace with hash 1217463341, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:38:41,974 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:38:41,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:38:41,992 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:38:42,025 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 20:38:42,026 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:38:42,039 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 20:38:42,040 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 20:38:42,049 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:38:42,050 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:19, output treesize:17 [2018-04-09 20:38:42,093 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 20:38:42,108 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 20:38:42,109 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-09 20:38:42,110 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:38:42,127 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-04-09 20:38:42,128 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 20:38:42,139 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:38:42,140 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:28, output treesize:12 [2018-04-09 20:38:42,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:38:42,158 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:38:44,309 WARN L148 SmtUtils]: Spent 2057ms on a formula simplification that was a NOOP. DAG size: 26 [2018-04-09 20:38:44,326 INFO L267 ElimStorePlain]: Start of recursive call 1: End of recursive call: and 1 xjuncts. [2018-04-09 20:38:44,326 INFO L202 ElimStorePlain]: Needed 1 recursive calls to eliminate 5 variables, input treesize:25, output treesize:3 [2018-04-09 20:38:44,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:38:44,354 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 20:38:44,354 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2018-04-09 20:38:44,356 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-09 20:38:44,356 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-09 20:38:44,356 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-04-09 20:38:44,356 INFO L87 Difference]: Start difference. First operand 83 states and 88 transitions. Second operand 9 states. [2018-04-09 20:38:44,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:38:44,590 INFO L93 Difference]: Finished difference Result 83 states and 88 transitions. [2018-04-09 20:38:44,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-09 20:38:44,590 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2018-04-09 20:38:44,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:38:44,591 INFO L225 Difference]: With dead ends: 83 [2018-04-09 20:38:44,592 INFO L226 Difference]: Without dead ends: 82 [2018-04-09 20:38:44,592 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-04-09 20:38:44,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-04-09 20:38:44,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2018-04-09 20:38:44,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-04-09 20:38:44,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 87 transitions. [2018-04-09 20:38:44,602 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 87 transitions. Word has length 19 [2018-04-09 20:38:44,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:38:44,603 INFO L459 AbstractCegarLoop]: Abstraction has 82 states and 87 transitions. [2018-04-09 20:38:44,603 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-09 20:38:44,603 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 87 transitions. [2018-04-09 20:38:44,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-09 20:38:44,604 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:38:44,604 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:38:44,604 INFO L408 AbstractCegarLoop]: === Iteration 3 === [subseqErr8RequiresViolation, subseqErr4RequiresViolation, subseqErr2RequiresViolation, subseqErr3RequiresViolation, subseqErr9RequiresViolation, subseqErr7RequiresViolation, subseqErr5RequiresViolation, subseqErr1RequiresViolation, subseqErr0RequiresViolation, subseqErr6RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 20:38:44,604 INFO L82 PathProgramCache]: Analyzing trace with hash -913342120, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:38:44,610 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:38:44,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:38:44,624 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:38:44,627 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 20:38:44,628 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:38:44,629 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:38:44,629 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-09 20:38:44,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:38:44,636 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:38:44,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:38:44,665 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 20:38:44,665 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-09 20:38:44,665 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-09 20:38:44,666 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-09 20:38:44,666 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-09 20:38:44,666 INFO L87 Difference]: Start difference. First operand 82 states and 87 transitions. Second operand 4 states. [2018-04-09 20:38:44,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:38:44,720 INFO L93 Difference]: Finished difference Result 82 states and 87 transitions. [2018-04-09 20:38:44,720 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-09 20:38:44,720 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-04-09 20:38:44,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:38:44,721 INFO L225 Difference]: With dead ends: 82 [2018-04-09 20:38:44,721 INFO L226 Difference]: Without dead ends: 81 [2018-04-09 20:38:44,722 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-09 20:38:44,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-04-09 20:38:44,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2018-04-09 20:38:44,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-04-09 20:38:44,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 86 transitions. [2018-04-09 20:38:44,730 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 86 transitions. Word has length 20 [2018-04-09 20:38:44,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:38:44,731 INFO L459 AbstractCegarLoop]: Abstraction has 81 states and 86 transitions. [2018-04-09 20:38:44,731 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-09 20:38:44,731 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 86 transitions. [2018-04-09 20:38:44,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-09 20:38:44,732 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:38:44,732 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:38:44,732 INFO L408 AbstractCegarLoop]: === Iteration 4 === [subseqErr8RequiresViolation, subseqErr4RequiresViolation, subseqErr2RequiresViolation, subseqErr3RequiresViolation, subseqErr9RequiresViolation, subseqErr7RequiresViolation, subseqErr5RequiresViolation, subseqErr1RequiresViolation, subseqErr0RequiresViolation, subseqErr6RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 20:38:44,732 INFO L82 PathProgramCache]: Analyzing trace with hash -913342119, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:38:44,739 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:38:44,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:38:44,754 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:38:44,765 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 20:38:44,766 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:38:44,779 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:38:44,780 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-04-09 20:38:44,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:38:44,796 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:38:44,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:38:44,846 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 20:38:44,846 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2018-04-09 20:38:44,846 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-09 20:38:44,847 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-09 20:38:44,847 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-04-09 20:38:44,847 INFO L87 Difference]: Start difference. First operand 81 states and 86 transitions. Second operand 7 states. [2018-04-09 20:38:44,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:38:44,938 INFO L93 Difference]: Finished difference Result 81 states and 86 transitions. [2018-04-09 20:38:44,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-09 20:38:44,938 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-04-09 20:38:44,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:38:44,939 INFO L225 Difference]: With dead ends: 81 [2018-04-09 20:38:44,939 INFO L226 Difference]: Without dead ends: 80 [2018-04-09 20:38:44,940 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-04-09 20:38:44,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-04-09 20:38:44,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2018-04-09 20:38:44,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-04-09 20:38:44,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 85 transitions. [2018-04-09 20:38:44,944 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 85 transitions. Word has length 20 [2018-04-09 20:38:44,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:38:44,945 INFO L459 AbstractCegarLoop]: Abstraction has 80 states and 85 transitions. [2018-04-09 20:38:44,945 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-09 20:38:44,945 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 85 transitions. [2018-04-09 20:38:44,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-09 20:38:44,945 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:38:44,945 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] [2018-04-09 20:38:44,946 INFO L408 AbstractCegarLoop]: === Iteration 5 === [subseqErr8RequiresViolation, subseqErr4RequiresViolation, subseqErr2RequiresViolation, subseqErr3RequiresViolation, subseqErr9RequiresViolation, subseqErr7RequiresViolation, subseqErr5RequiresViolation, subseqErr1RequiresViolation, subseqErr0RequiresViolation, subseqErr6RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 20:38:44,946 INFO L82 PathProgramCache]: Analyzing trace with hash 454780171, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:38:44,951 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:38:44,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:38:44,966 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:38:44,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:38:44,980 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:38:44,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:38:45,005 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 20:38:45,005 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2018-04-09 20:38:45,006 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-09 20:38:45,006 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-09 20:38:45,006 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-09 20:38:45,006 INFO L87 Difference]: Start difference. First operand 80 states and 85 transitions. Second operand 6 states. [2018-04-09 20:38:45,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:38:45,122 INFO L93 Difference]: Finished difference Result 87 states and 92 transitions. [2018-04-09 20:38:45,122 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-09 20:38:45,122 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2018-04-09 20:38:45,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:38:45,123 INFO L225 Difference]: With dead ends: 87 [2018-04-09 20:38:45,123 INFO L226 Difference]: Without dead ends: 85 [2018-04-09 20:38:45,124 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-04-09 20:38:45,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-04-09 20:38:45,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 84. [2018-04-09 20:38:45,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2018-04-09 20:38:45,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 90 transitions. [2018-04-09 20:38:45,129 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 90 transitions. Word has length 27 [2018-04-09 20:38:45,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:38:45,129 INFO L459 AbstractCegarLoop]: Abstraction has 84 states and 90 transitions. [2018-04-09 20:38:45,129 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-09 20:38:45,130 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 90 transitions. [2018-04-09 20:38:45,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-09 20:38:45,130 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:38:45,130 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] [2018-04-09 20:38:45,131 INFO L408 AbstractCegarLoop]: === Iteration 6 === [subseqErr8RequiresViolation, subseqErr4RequiresViolation, subseqErr2RequiresViolation, subseqErr3RequiresViolation, subseqErr9RequiresViolation, subseqErr7RequiresViolation, subseqErr5RequiresViolation, subseqErr1RequiresViolation, subseqErr0RequiresViolation, subseqErr6RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 20:38:45,131 INFO L82 PathProgramCache]: Analyzing trace with hash 454780172, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:38:45,139 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:38:45,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:38:45,155 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:38:45,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:38:45,199 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:38:45,206 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-04-09 20:38:45,207 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:38:45,217 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 10 [2018-04-09 20:38:45,218 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 20:38:45,221 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 20:38:45,221 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2018-04-09 20:38:45,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:38:45,253 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 20:38:45,253 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2018-04-09 20:38:45,253 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-09 20:38:45,254 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-09 20:38:45,254 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-04-09 20:38:45,254 INFO L87 Difference]: Start difference. First operand 84 states and 90 transitions. Second operand 9 states. [2018-04-09 20:38:45,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:38:45,388 INFO L93 Difference]: Finished difference Result 85 states and 90 transitions. [2018-04-09 20:38:45,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-09 20:38:45,389 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 27 [2018-04-09 20:38:45,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:38:45,390 INFO L225 Difference]: With dead ends: 85 [2018-04-09 20:38:45,390 INFO L226 Difference]: Without dead ends: 83 [2018-04-09 20:38:45,390 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 44 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2018-04-09 20:38:45,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2018-04-09 20:38:45,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2018-04-09 20:38:45,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-04-09 20:38:45,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 88 transitions. [2018-04-09 20:38:45,398 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 88 transitions. Word has length 27 [2018-04-09 20:38:45,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:38:45,398 INFO L459 AbstractCegarLoop]: Abstraction has 83 states and 88 transitions. [2018-04-09 20:38:45,398 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-09 20:38:45,398 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 88 transitions. [2018-04-09 20:38:45,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-09 20:38:45,399 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:38:45,399 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:38:45,399 INFO L408 AbstractCegarLoop]: === Iteration 7 === [subseqErr8RequiresViolation, subseqErr4RequiresViolation, subseqErr2RequiresViolation, subseqErr3RequiresViolation, subseqErr9RequiresViolation, subseqErr7RequiresViolation, subseqErr5RequiresViolation, subseqErr1RequiresViolation, subseqErr0RequiresViolation, subseqErr6RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 20:38:45,399 INFO L82 PathProgramCache]: Analyzing trace with hash 2029255543, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:38:45,405 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:38:45,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:38:45,422 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:38:45,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:38:45,443 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:38:45,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:38:45,478 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 20:38:45,478 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2018-04-09 20:38:45,479 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-09 20:38:45,479 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-09 20:38:45,479 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-09 20:38:45,479 INFO L87 Difference]: Start difference. First operand 83 states and 88 transitions. Second operand 6 states. [2018-04-09 20:38:45,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:38:45,553 INFO L93 Difference]: Finished difference Result 104 states and 111 transitions. [2018-04-09 20:38:45,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-09 20:38:45,553 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2018-04-09 20:38:45,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:38:45,555 INFO L225 Difference]: With dead ends: 104 [2018-04-09 20:38:45,555 INFO L226 Difference]: Without dead ends: 101 [2018-04-09 20:38:45,556 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-04-09 20:38:45,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-04-09 20:38:45,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 98. [2018-04-09 20:38:45,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-04-09 20:38:45,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 108 transitions. [2018-04-09 20:38:45,565 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 108 transitions. Word has length 30 [2018-04-09 20:38:45,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:38:45,565 INFO L459 AbstractCegarLoop]: Abstraction has 98 states and 108 transitions. [2018-04-09 20:38:45,566 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-09 20:38:45,566 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 108 transitions. [2018-04-09 20:38:45,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-09 20:38:45,567 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:38:45,567 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:38:45,567 INFO L408 AbstractCegarLoop]: === Iteration 8 === [subseqErr8RequiresViolation, subseqErr4RequiresViolation, subseqErr2RequiresViolation, subseqErr3RequiresViolation, subseqErr9RequiresViolation, subseqErr7RequiresViolation, subseqErr5RequiresViolation, subseqErr1RequiresViolation, subseqErr0RequiresViolation, subseqErr6RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 20:38:45,567 INFO L82 PathProgramCache]: Analyzing trace with hash 2029255544, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:38:45,573 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:38:45,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:38:45,596 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:38:45,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:38:45,645 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:38:45,653 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 10 [2018-04-09 20:38:45,653 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:38:45,661 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-04-09 20:38:45,662 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 20:38:45,665 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 20:38:45,665 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2018-04-09 20:38:45,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:38:45,702 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 20:38:45,702 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2018-04-09 20:38:45,703 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-09 20:38:45,703 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-09 20:38:45,703 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-04-09 20:38:45,703 INFO L87 Difference]: Start difference. First operand 98 states and 108 transitions. Second operand 9 states. [2018-04-09 20:38:45,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:38:45,815 INFO L93 Difference]: Finished difference Result 101 states and 108 transitions. [2018-04-09 20:38:45,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-09 20:38:45,852 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 30 [2018-04-09 20:38:45,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:38:45,852 INFO L225 Difference]: With dead ends: 101 [2018-04-09 20:38:45,853 INFO L226 Difference]: Without dead ends: 98 [2018-04-09 20:38:45,853 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 50 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2018-04-09 20:38:45,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2018-04-09 20:38:45,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2018-04-09 20:38:45,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-04-09 20:38:45,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 105 transitions. [2018-04-09 20:38:45,861 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 105 transitions. Word has length 30 [2018-04-09 20:38:45,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:38:45,862 INFO L459 AbstractCegarLoop]: Abstraction has 98 states and 105 transitions. [2018-04-09 20:38:45,862 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-09 20:38:45,862 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 105 transitions. [2018-04-09 20:38:45,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-04-09 20:38:45,863 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:38:45,864 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:38:45,864 INFO L408 AbstractCegarLoop]: === Iteration 9 === [subseqErr8RequiresViolation, subseqErr4RequiresViolation, subseqErr2RequiresViolation, subseqErr3RequiresViolation, subseqErr9RequiresViolation, subseqErr7RequiresViolation, subseqErr5RequiresViolation, subseqErr1RequiresViolation, subseqErr0RequiresViolation, subseqErr6RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 20:38:45,864 INFO L82 PathProgramCache]: Analyzing trace with hash -2071992893, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:38:45,870 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:38:45,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:38:45,890 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:38:45,896 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:38:45,896 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:38:45,901 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:38:45,922 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 20:38:45,922 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-09 20:38:45,923 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-09 20:38:45,923 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-09 20:38:45,923 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-09 20:38:45,923 INFO L87 Difference]: Start difference. First operand 98 states and 105 transitions. Second operand 3 states. [2018-04-09 20:38:45,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:38:45,932 INFO L93 Difference]: Finished difference Result 158 states and 170 transitions. [2018-04-09 20:38:45,932 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-09 20:38:45,932 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2018-04-09 20:38:45,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:38:45,933 INFO L225 Difference]: With dead ends: 158 [2018-04-09 20:38:45,933 INFO L226 Difference]: Without dead ends: 92 [2018-04-09 20:38:45,934 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-09 20:38:45,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-04-09 20:38:45,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2018-04-09 20:38:45,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-04-09 20:38:45,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 98 transitions. [2018-04-09 20:38:45,940 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 98 transitions. Word has length 46 [2018-04-09 20:38:45,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:38:45,940 INFO L459 AbstractCegarLoop]: Abstraction has 92 states and 98 transitions. [2018-04-09 20:38:45,941 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-09 20:38:45,941 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 98 transitions. [2018-04-09 20:38:45,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-04-09 20:38:45,941 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:38:45,941 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:38:45,942 INFO L408 AbstractCegarLoop]: === Iteration 10 === [subseqErr8RequiresViolation, subseqErr4RequiresViolation, subseqErr2RequiresViolation, subseqErr3RequiresViolation, subseqErr9RequiresViolation, subseqErr7RequiresViolation, subseqErr5RequiresViolation, subseqErr1RequiresViolation, subseqErr0RequiresViolation, subseqErr6RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 20:38:45,942 INFO L82 PathProgramCache]: Analyzing trace with hash 795302885, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:38:45,951 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:38:45,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:38:45,972 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:38:46,005 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 20:38:46,006 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2018-04-09 20:38:46,008 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 20:38:46,009 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-04-09 20:38:46,009 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 20:38:46,014 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:38:46,018 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-09 20:38:46,018 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-04-09 20:38:46,081 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc12.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc12.base| 1))) (and (= (select .cse0 |c_main_#t~malloc13.base|) 0) (= |c_#valid| (store (store .cse0 |c_main_#t~malloc13.base| 1) |main_#t~malloc12.base| 0)) (= 0 (select |c_old(#valid)| |main_#t~malloc12.base|))))) is different from true [2018-04-09 20:38:46,096 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc13.base| Int) (|main_#t~malloc12.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc12.base| 1))) (and (= (select .cse0 |main_#t~malloc13.base|) 0) (= |c_#valid| (store (store (store .cse0 |main_#t~malloc13.base| 1) |main_#t~malloc12.base| 0) |main_#t~malloc13.base| 0)) (= 0 (select |c_old(#valid)| |main_#t~malloc12.base|))))) is different from true [2018-04-09 20:38:46,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:38:46,104 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:38:46,135 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc13.base_12| Int)) (or (not (= (select |c_#valid| |v_main_#t~malloc13.base_12|) 0)) (= |c_old(#valid)| (store (store (store |c_#valid| |v_main_#t~malloc13.base_12| 1) |c_main_#t~malloc12.base| 0) |v_main_#t~malloc13.base_12| 0)))) is different from false [2018-04-09 20:38:46,142 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc13.base_12| Int) (|v_main_#t~malloc12.base_11| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc12.base_11| 1))) (or (= (store (store (store .cse0 |v_main_#t~malloc13.base_12| 1) |v_main_#t~malloc12.base_11| 0) |v_main_#t~malloc13.base_12| 0) |c_old(#valid)|) (not (= (select .cse0 |v_main_#t~malloc13.base_12|) 0)) (not (= 0 (select |c_#valid| |v_main_#t~malloc12.base_11|)))))) is different from false [2018-04-09 20:38:46,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:38:46,213 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 20:38:46,213 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2018-04-09 20:38:46,213 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-09 20:38:46,213 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-09 20:38:46,213 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=45, Unknown=4, NotChecked=60, Total=132 [2018-04-09 20:38:46,214 INFO L87 Difference]: Start difference. First operand 92 states and 98 transitions. Second operand 12 states. [2018-04-09 20:38:46,225 WARN L1011 $PredicateComparison]: unable to prove that (and (forall ((|v_main_#t~malloc13.base_12| Int) (|v_main_#t~malloc12.base_11| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc12.base_11| 1))) (or (= (store (store (store .cse0 |v_main_#t~malloc13.base_12| 1) |v_main_#t~malloc12.base_11| 0) |v_main_#t~malloc13.base_12| 0) |c_old(#valid)|) (not (= (select .cse0 |v_main_#t~malloc13.base_12|) 0)) (not (= 0 (select |c_#valid| |v_main_#t~malloc12.base_11|)))))) (= |c_#valid| |c_old(#valid)|)) is different from false [2018-04-09 20:38:46,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:38:46,697 INFO L93 Difference]: Finished difference Result 169 states and 180 transitions. [2018-04-09 20:38:46,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-09 20:38:46,698 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 47 [2018-04-09 20:38:46,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:38:46,700 INFO L225 Difference]: With dead ends: 169 [2018-04-09 20:38:46,700 INFO L226 Difference]: Without dead ends: 148 [2018-04-09 20:38:46,701 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 83 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=125, Unknown=6, NotChecked=130, Total=306 [2018-04-09 20:38:46,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-04-09 20:38:46,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 142. [2018-04-09 20:38:46,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-04-09 20:38:46,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 156 transitions. [2018-04-09 20:38:46,716 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 156 transitions. Word has length 47 [2018-04-09 20:38:46,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:38:46,717 INFO L459 AbstractCegarLoop]: Abstraction has 142 states and 156 transitions. [2018-04-09 20:38:46,717 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-09 20:38:46,717 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 156 transitions. [2018-04-09 20:38:46,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-04-09 20:38:46,719 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:38:46,719 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:38:46,720 INFO L408 AbstractCegarLoop]: === Iteration 11 === [subseqErr8RequiresViolation, subseqErr4RequiresViolation, subseqErr2RequiresViolation, subseqErr3RequiresViolation, subseqErr9RequiresViolation, subseqErr7RequiresViolation, subseqErr5RequiresViolation, subseqErr1RequiresViolation, subseqErr0RequiresViolation, subseqErr6RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 20:38:46,720 INFO L82 PathProgramCache]: Analyzing trace with hash -1021496817, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:38:46,733 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:38:46,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:38:46,762 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:38:46,849 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 20:38:46,850 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 27 [2018-04-09 20:38:46,854 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2018-04-09 20:38:46,854 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 20:38:46,860 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:38:46,866 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-09 20:38:46,866 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-04-09 20:38:46,916 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc12.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc12.base| 1))) (and (= (select .cse0 |c_main_#t~malloc13.base|) 0) (= |c_#valid| (store (store .cse0 |c_main_#t~malloc13.base| 1) |main_#t~malloc12.base| 0)) (= 0 (select |c_old(#valid)| |main_#t~malloc12.base|))))) is different from true [2018-04-09 20:38:46,933 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc13.base| Int) (|main_#t~malloc12.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc12.base| 1))) (and (= (select .cse0 |main_#t~malloc13.base|) 0) (= |c_#valid| (store (store (store .cse0 |main_#t~malloc13.base| 1) |main_#t~malloc12.base| 0) |main_#t~malloc13.base| 0)) (= 0 (select |c_old(#valid)| |main_#t~malloc12.base|))))) is different from true [2018-04-09 20:38:46,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:38:46,943 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:38:47,009 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc13.base_14| Int)) (or (= |c_old(#valid)| (store (store (store |c_#valid| |v_main_#t~malloc13.base_14| 1) |c_main_#t~malloc12.base| 0) |v_main_#t~malloc13.base_14| 0)) (not (= (select |c_#valid| |v_main_#t~malloc13.base_14|) 0)))) is different from false [2018-04-09 20:38:47,014 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc13.base_14| Int) (|v_main_#t~malloc12.base_13| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc12.base_13| 1))) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc12.base_13|))) (= (store (store (store .cse0 |v_main_#t~malloc13.base_14| 1) |v_main_#t~malloc12.base_13| 0) |v_main_#t~malloc13.base_14| 0) |c_old(#valid)|) (not (= 0 (select .cse0 |v_main_#t~malloc13.base_14|)))))) is different from false [2018-04-09 20:38:47,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:38:47,057 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 20:38:47,057 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2018-04-09 20:38:47,057 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-09 20:38:47,058 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-09 20:38:47,058 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=45, Unknown=4, NotChecked=60, Total=132 [2018-04-09 20:38:47,058 INFO L87 Difference]: Start difference. First operand 142 states and 156 transitions. Second operand 12 states. [2018-04-09 20:38:47,069 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc13.base_14| Int) (|v_main_#t~malloc12.base_13| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc12.base_13| 1))) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc12.base_13|))) (= (store (store (store .cse0 |v_main_#t~malloc13.base_14| 1) |v_main_#t~malloc12.base_13| 0) |v_main_#t~malloc13.base_14| 0) |c_old(#valid)|) (not (= 0 (select .cse0 |v_main_#t~malloc13.base_14|))))))) is different from false [2018-04-09 20:38:47,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:38:47,525 INFO L93 Difference]: Finished difference Result 219 states and 237 transitions. [2018-04-09 20:38:47,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-09 20:38:47,525 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 48 [2018-04-09 20:38:47,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:38:47,526 INFO L225 Difference]: With dead ends: 219 [2018-04-09 20:38:47,526 INFO L226 Difference]: Without dead ends: 198 [2018-04-09 20:38:47,527 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 85 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=125, Unknown=6, NotChecked=130, Total=306 [2018-04-09 20:38:47,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2018-04-09 20:38:47,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 143. [2018-04-09 20:38:47,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-04-09 20:38:47,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 157 transitions. [2018-04-09 20:38:47,538 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 157 transitions. Word has length 48 [2018-04-09 20:38:47,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:38:47,539 INFO L459 AbstractCegarLoop]: Abstraction has 143 states and 157 transitions. [2018-04-09 20:38:47,539 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-09 20:38:47,539 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 157 transitions. [2018-04-09 20:38:47,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-04-09 20:38:47,540 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:38:47,540 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:38:47,540 INFO L408 AbstractCegarLoop]: === Iteration 12 === [subseqErr8RequiresViolation, subseqErr4RequiresViolation, subseqErr2RequiresViolation, subseqErr3RequiresViolation, subseqErr9RequiresViolation, subseqErr7RequiresViolation, subseqErr5RequiresViolation, subseqErr1RequiresViolation, subseqErr0RequiresViolation, subseqErr6RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 20:38:47,540 INFO L82 PathProgramCache]: Analyzing trace with hash -199785914, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:38:47,546 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:38:47,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:38:47,572 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:38:47,600 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-04-09 20:38:47,600 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:38:47,606 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-04-09 20:38:47,627 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 20:38:47,627 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2018-04-09 20:38:47,628 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-09 20:38:47,628 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-09 20:38:47,628 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-04-09 20:38:47,628 INFO L87 Difference]: Start difference. First operand 143 states and 157 transitions. Second operand 7 states. [2018-04-09 20:38:47,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:38:47,705 INFO L93 Difference]: Finished difference Result 143 states and 157 transitions. [2018-04-09 20:38:47,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-09 20:38:47,706 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 48 [2018-04-09 20:38:47,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:38:47,707 INFO L225 Difference]: With dead ends: 143 [2018-04-09 20:38:47,707 INFO L226 Difference]: Without dead ends: 141 [2018-04-09 20:38:47,707 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-04-09 20:38:47,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-04-09 20:38:47,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-04-09 20:38:47,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-04-09 20:38:47,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 153 transitions. [2018-04-09 20:38:47,716 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 153 transitions. Word has length 48 [2018-04-09 20:38:47,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:38:47,717 INFO L459 AbstractCegarLoop]: Abstraction has 141 states and 153 transitions. [2018-04-09 20:38:47,717 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-09 20:38:47,717 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 153 transitions. [2018-04-09 20:38:47,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-04-09 20:38:47,717 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:38:47,717 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:38:47,718 INFO L408 AbstractCegarLoop]: === Iteration 13 === [subseqErr8RequiresViolation, subseqErr4RequiresViolation, subseqErr2RequiresViolation, subseqErr3RequiresViolation, subseqErr9RequiresViolation, subseqErr7RequiresViolation, subseqErr5RequiresViolation, subseqErr1RequiresViolation, subseqErr0RequiresViolation, subseqErr6RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 20:38:47,718 INFO L82 PathProgramCache]: Analyzing trace with hash -199785913, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:38:47,728 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:38:47,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:38:47,753 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:38:47,788 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-04-09 20:38:47,792 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-04-09 20:38:47,793 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 20:38:47,795 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:38:47,806 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 20:38:47,806 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:28, output treesize:24 [2018-04-09 20:38:47,854 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 [2018-04-09 20:38:47,859 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 [2018-04-09 20:38:47,860 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-09 20:38:47,863 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 20:38:47,870 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-09 20:38:47,871 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:31, output treesize:33 [2018-04-09 20:38:47,980 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:38:47,981 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:38:48,154 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 27 treesize of output 25 [2018-04-09 20:38:48,155 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:38:48,164 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 29 treesize of output 25 [2018-04-09 20:38:48,165 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 20:38:48,173 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 17 [2018-04-09 20:38:48,183 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-04-09 20:38:48,183 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 20:38:48,186 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:38:48,194 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 17 treesize of output 15 [2018-04-09 20:38:48,203 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-04-09 20:38:48,203 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-09 20:38:48,205 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:38:48,211 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-09 20:38:48,211 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:57, output treesize:17 [2018-04-09 20:38:48,275 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:38:48,297 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 20:38:48,297 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2018-04-09 20:38:48,297 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-04-09 20:38:48,297 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-04-09 20:38:48,298 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=526, Unknown=0, NotChecked=0, Total=600 [2018-04-09 20:38:48,298 INFO L87 Difference]: Start difference. First operand 141 states and 153 transitions. Second operand 25 states. [2018-04-09 20:38:49,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:38:49,117 INFO L93 Difference]: Finished difference Result 282 states and 307 transitions. [2018-04-09 20:38:49,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-04-09 20:38:49,118 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 48 [2018-04-09 20:38:49,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:38:49,121 INFO L225 Difference]: With dead ends: 282 [2018-04-09 20:38:49,121 INFO L226 Difference]: Without dead ends: 275 [2018-04-09 20:38:49,122 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 71 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 305 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=297, Invalid=1509, Unknown=0, NotChecked=0, Total=1806 [2018-04-09 20:38:49,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2018-04-09 20:38:49,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 197. [2018-04-09 20:38:49,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2018-04-09 20:38:49,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 217 transitions. [2018-04-09 20:38:49,141 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 217 transitions. Word has length 48 [2018-04-09 20:38:49,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:38:49,142 INFO L459 AbstractCegarLoop]: Abstraction has 197 states and 217 transitions. [2018-04-09 20:38:49,142 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-04-09 20:38:49,142 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 217 transitions. [2018-04-09 20:38:49,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-04-09 20:38:49,143 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:38:49,143 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:38:49,143 INFO L408 AbstractCegarLoop]: === Iteration 14 === [subseqErr8RequiresViolation, subseqErr4RequiresViolation, subseqErr2RequiresViolation, subseqErr3RequiresViolation, subseqErr9RequiresViolation, subseqErr7RequiresViolation, subseqErr5RequiresViolation, subseqErr1RequiresViolation, subseqErr0RequiresViolation, subseqErr6RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 20:38:49,143 INFO L82 PathProgramCache]: Analyzing trace with hash 884000372, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:38:49,149 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:38:49,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:38:49,168 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:38:49,199 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-09 20:38:49,199 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:38:49,211 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-09 20:38:49,233 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 20:38:49,233 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2018-04-09 20:38:49,233 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-09 20:38:49,233 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-09 20:38:49,234 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-04-09 20:38:49,234 INFO L87 Difference]: Start difference. First operand 197 states and 217 transitions. Second operand 7 states. [2018-04-09 20:38:49,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:38:49,313 INFO L93 Difference]: Finished difference Result 197 states and 217 transitions. [2018-04-09 20:38:49,313 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-09 20:38:49,313 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 48 [2018-04-09 20:38:49,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:38:49,315 INFO L225 Difference]: With dead ends: 197 [2018-04-09 20:38:49,315 INFO L226 Difference]: Without dead ends: 196 [2018-04-09 20:38:49,316 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-04-09 20:38:49,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2018-04-09 20:38:49,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2018-04-09 20:38:49,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2018-04-09 20:38:49,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 213 transitions. [2018-04-09 20:38:49,333 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 213 transitions. Word has length 48 [2018-04-09 20:38:49,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:38:49,333 INFO L459 AbstractCegarLoop]: Abstraction has 196 states and 213 transitions. [2018-04-09 20:38:49,333 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-09 20:38:49,333 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 213 transitions. [2018-04-09 20:38:49,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-04-09 20:38:49,334 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:38:49,334 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:38:49,334 INFO L408 AbstractCegarLoop]: === Iteration 15 === [subseqErr8RequiresViolation, subseqErr4RequiresViolation, subseqErr2RequiresViolation, subseqErr3RequiresViolation, subseqErr9RequiresViolation, subseqErr7RequiresViolation, subseqErr5RequiresViolation, subseqErr1RequiresViolation, subseqErr0RequiresViolation, subseqErr6RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 20:38:49,335 INFO L82 PathProgramCache]: Analyzing trace with hash 884000373, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:38:49,342 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:38:49,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:38:49,359 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:38:49,365 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 20:38:49,366 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:38:49,369 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:38:49,369 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-09 20:38:49,382 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 20:38:49,382 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 20:38:49,383 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-09 20:38:49,383 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:38:49,386 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:38:49,386 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:8 [2018-04-09 20:38:49,402 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-04-09 20:38:49,404 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-04-09 20:38:49,404 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 20:38:49,405 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:38:49,411 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 20:38:49,411 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:25 [2018-04-09 20:38:49,425 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 26 [2018-04-09 20:38:49,427 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-04-09 20:38:49,427 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 20:38:49,431 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:38:49,438 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-04-09 20:38:49,438 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:39, output treesize:35 [2018-04-09 20:38:51,563 WARN L148 SmtUtils]: Spent 1920ms on a formula simplification that was a NOOP. DAG size: 43 [2018-04-09 20:38:51,658 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 53 [2018-04-09 20:38:51,664 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 33 [2018-04-09 20:38:51,665 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 20:38:51,707 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 33 [2018-04-09 20:38:51,708 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-09 20:38:51,756 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 43 [2018-04-09 20:38:51,757 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 4 xjuncts. [2018-04-09 20:38:51,830 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 29 treesize of output 27 [2018-04-09 20:38:51,831 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-04-09 20:38:51,907 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 49 [2018-04-09 20:38:51,908 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 4 xjuncts. [2018-04-09 20:38:51,993 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 33 treesize of output 31 [2018-04-09 20:38:51,994 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-04-09 20:38:52,079 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2018-04-09 20:38:52,079 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-09 20:38:52,081 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2018-04-09 20:38:52,082 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-09 20:38:52,159 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2018-04-09 20:38:52,159 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-09 20:38:52,161 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2018-04-09 20:38:52,162 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-09 20:38:52,165 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2018-04-09 20:38:52,166 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-09 20:38:52,218 INFO L267 ElimStorePlain]: Start of recursive call 2: 8 dim-1 vars, End of recursive call: and 7 xjuncts. [2018-04-09 20:38:52,272 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-09 20:38:52,272 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 8 variables, input treesize:63, output treesize:66 [2018-04-09 20:38:52,383 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:38:52,383 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:38:52,962 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-04-09 20:38:52,962 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:38:52,979 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2018-04-09 20:38:53,012 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2018-04-09 20:38:53,013 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-09 20:38:53,025 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15 [2018-04-09 20:38:53,026 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 20:38:53,031 INFO L267 ElimStorePlain]: Start of recursive call 3: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:38:53,041 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:38:53,041 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:69, output treesize:7 [2018-04-09 20:38:53,109 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:38:53,143 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 20:38:53,144 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 16] total 34 [2018-04-09 20:38:53,144 INFO L442 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-04-09 20:38:53,144 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-04-09 20:38:53,145 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=1052, Unknown=0, NotChecked=0, Total=1190 [2018-04-09 20:38:53,145 INFO L87 Difference]: Start difference. First operand 196 states and 213 transitions. Second operand 35 states. [2018-04-09 20:38:56,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:38:56,249 INFO L93 Difference]: Finished difference Result 362 states and 394 transitions. [2018-04-09 20:38:56,249 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-04-09 20:38:56,249 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 48 [2018-04-09 20:38:56,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:38:56,251 INFO L225 Difference]: With dead ends: 362 [2018-04-09 20:38:56,252 INFO L226 Difference]: Without dead ends: 361 [2018-04-09 20:38:56,253 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 60 SyntacticMatches, 2 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 909 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=638, Invalid=3652, Unknown=0, NotChecked=0, Total=4290 [2018-04-09 20:38:56,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2018-04-09 20:38:56,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 248. [2018-04-09 20:38:56,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 248 states. [2018-04-09 20:38:56,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 271 transitions. [2018-04-09 20:38:56,272 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 271 transitions. Word has length 48 [2018-04-09 20:38:56,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:38:56,272 INFO L459 AbstractCegarLoop]: Abstraction has 248 states and 271 transitions. [2018-04-09 20:38:56,272 INFO L460 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-04-09 20:38:56,272 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 271 transitions. [2018-04-09 20:38:56,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-04-09 20:38:56,273 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:38:56,273 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:38:56,273 INFO L408 AbstractCegarLoop]: === Iteration 16 === [subseqErr8RequiresViolation, subseqErr4RequiresViolation, subseqErr2RequiresViolation, subseqErr3RequiresViolation, subseqErr9RequiresViolation, subseqErr7RequiresViolation, subseqErr5RequiresViolation, subseqErr1RequiresViolation, subseqErr0RequiresViolation, subseqErr6RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 20:38:56,273 INFO L82 PathProgramCache]: Analyzing trace with hash 2005570218, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:38:56,279 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:38:56,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:38:56,294 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:38:56,315 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 20:38:56,316 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2018-04-09 20:38:56,318 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 20:38:56,319 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-04-09 20:38:56,319 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 20:38:56,323 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:38:56,326 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-09 20:38:56,326 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-04-09 20:38:56,348 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc12.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc12.base| 1))) (and (= (select .cse0 |c_main_#t~malloc13.base|) 0) (= |c_#valid| (store (store .cse0 |c_main_#t~malloc13.base| 1) |main_#t~malloc12.base| 0)) (= 0 (select |c_old(#valid)| |main_#t~malloc12.base|))))) is different from true [2018-04-09 20:38:56,351 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc13.base| Int) (|main_#t~malloc12.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc12.base| 1))) (and (= (select .cse0 |main_#t~malloc13.base|) 0) (= |c_#valid| (store (store (store .cse0 |main_#t~malloc13.base| 1) |main_#t~malloc12.base| 0) |main_#t~malloc13.base| 0)) (= 0 (select |c_old(#valid)| |main_#t~malloc12.base|))))) is different from true [2018-04-09 20:38:56,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:38:56,357 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:38:56,379 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc13.base_18| Int)) (or (= |c_old(#valid)| (store (store (store |c_#valid| |v_main_#t~malloc13.base_18| 1) |c_main_#t~malloc12.base| 0) |v_main_#t~malloc13.base_18| 0)) (not (= (select |c_#valid| |v_main_#t~malloc13.base_18|) 0)))) is different from false [2018-04-09 20:38:56,384 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc12.base_17| Int) (|v_main_#t~malloc13.base_18| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc12.base_17| 1))) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc12.base_17|))) (= (store (store (store .cse0 |v_main_#t~malloc13.base_18| 1) |v_main_#t~malloc12.base_17| 0) |v_main_#t~malloc13.base_18| 0) |c_old(#valid)|) (not (= (select .cse0 |v_main_#t~malloc13.base_18|) 0))))) is different from false [2018-04-09 20:38:56,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:38:56,444 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 20:38:56,444 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2018-04-09 20:38:56,444 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-09 20:38:56,444 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-09 20:38:56,445 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=45, Unknown=4, NotChecked=60, Total=132 [2018-04-09 20:38:56,445 INFO L87 Difference]: Start difference. First operand 248 states and 271 transitions. Second operand 12 states. [2018-04-09 20:38:56,455 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc12.base_17| Int) (|v_main_#t~malloc13.base_18| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc12.base_17| 1))) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc12.base_17|))) (= (store (store (store .cse0 |v_main_#t~malloc13.base_18| 1) |v_main_#t~malloc12.base_17| 0) |v_main_#t~malloc13.base_18| 0) |c_old(#valid)|) (not (= (select .cse0 |v_main_#t~malloc13.base_18|) 0)))))) is different from false [2018-04-09 20:38:56,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:38:56,781 INFO L93 Difference]: Finished difference Result 375 states and 410 transitions. [2018-04-09 20:38:56,782 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-09 20:38:56,782 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 48 [2018-04-09 20:38:56,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:38:56,783 INFO L225 Difference]: With dead ends: 375 [2018-04-09 20:38:56,783 INFO L226 Difference]: Without dead ends: 354 [2018-04-09 20:38:56,784 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 85 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=125, Unknown=6, NotChecked=130, Total=306 [2018-04-09 20:38:56,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2018-04-09 20:38:56,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 248. [2018-04-09 20:38:56,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 248 states. [2018-04-09 20:38:56,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 271 transitions. [2018-04-09 20:38:56,797 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 271 transitions. Word has length 48 [2018-04-09 20:38:56,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:38:56,798 INFO L459 AbstractCegarLoop]: Abstraction has 248 states and 271 transitions. [2018-04-09 20:38:56,798 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-09 20:38:56,798 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 271 transitions. [2018-04-09 20:38:56,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-04-09 20:38:56,798 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:38:56,798 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:38:56,798 INFO L408 AbstractCegarLoop]: === Iteration 17 === [subseqErr8RequiresViolation, subseqErr4RequiresViolation, subseqErr2RequiresViolation, subseqErr3RequiresViolation, subseqErr9RequiresViolation, subseqErr7RequiresViolation, subseqErr5RequiresViolation, subseqErr1RequiresViolation, subseqErr0RequiresViolation, subseqErr6RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 20:38:56,798 INFO L82 PathProgramCache]: Analyzing trace with hash 2137052138, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:38:56,804 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:38:56,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:38:56,819 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:38:56,842 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 20:38:56,843 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 27 [2018-04-09 20:38:56,845 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2018-04-09 20:38:56,845 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 20:38:56,849 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:38:56,853 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-09 20:38:56,853 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-04-09 20:38:56,883 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc12.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc12.base| 1))) (and (= (select .cse0 |c_main_#t~malloc13.base|) 0) (= |c_#valid| (store (store .cse0 |c_main_#t~malloc13.base| 1) |main_#t~malloc12.base| 0)) (= 0 (select |c_old(#valid)| |main_#t~malloc12.base|))))) is different from true [2018-04-09 20:38:56,888 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc13.base| Int) (|main_#t~malloc12.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc12.base| 1))) (and (= (select .cse0 |main_#t~malloc13.base|) 0) (= |c_#valid| (store (store (store .cse0 |main_#t~malloc13.base| 1) |main_#t~malloc12.base| 0) |main_#t~malloc13.base| 0)) (= 0 (select |c_old(#valid)| |main_#t~malloc12.base|))))) is different from true [2018-04-09 20:38:56,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:38:56,894 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:38:56,910 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc13.base_20| Int)) (or (= (store (store (store |c_#valid| |v_main_#t~malloc13.base_20| 1) |c_main_#t~malloc12.base| 0) |v_main_#t~malloc13.base_20| 0) |c_old(#valid)|) (not (= 0 (select |c_#valid| |v_main_#t~malloc13.base_20|))))) is different from false [2018-04-09 20:38:56,914 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc12.base_19| Int) (|v_main_#t~malloc13.base_20| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc12.base_19| 1))) (or (not (= 0 (select .cse0 |v_main_#t~malloc13.base_20|))) (= |c_old(#valid)| (store (store (store .cse0 |v_main_#t~malloc13.base_20| 1) |v_main_#t~malloc12.base_19| 0) |v_main_#t~malloc13.base_20| 0)) (not (= 0 (select |c_#valid| |v_main_#t~malloc12.base_19|)))))) is different from false [2018-04-09 20:38:56,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:38:56,954 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 20:38:56,955 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2018-04-09 20:38:56,955 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-09 20:38:56,955 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-09 20:38:56,955 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=45, Unknown=4, NotChecked=60, Total=132 [2018-04-09 20:38:56,955 INFO L87 Difference]: Start difference. First operand 248 states and 271 transitions. Second operand 12 states. [2018-04-09 20:38:56,965 WARN L1011 $PredicateComparison]: unable to prove that (and (forall ((|v_main_#t~malloc12.base_19| Int) (|v_main_#t~malloc13.base_20| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc12.base_19| 1))) (or (not (= 0 (select .cse0 |v_main_#t~malloc13.base_20|))) (= |c_old(#valid)| (store (store (store .cse0 |v_main_#t~malloc13.base_20| 1) |v_main_#t~malloc12.base_19| 0) |v_main_#t~malloc13.base_20| 0)) (not (= 0 (select |c_#valid| |v_main_#t~malloc12.base_19|)))))) (= |c_#valid| |c_old(#valid)|)) is different from false [2018-04-09 20:38:57,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:38:57,279 INFO L93 Difference]: Finished difference Result 251 states and 271 transitions. [2018-04-09 20:38:57,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-09 20:38:57,280 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 49 [2018-04-09 20:38:57,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:38:57,281 INFO L225 Difference]: With dead ends: 251 [2018-04-09 20:38:57,281 INFO L226 Difference]: Without dead ends: 230 [2018-04-09 20:38:57,281 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 87 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=125, Unknown=6, NotChecked=130, Total=306 [2018-04-09 20:38:57,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2018-04-09 20:38:57,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 122. [2018-04-09 20:38:57,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2018-04-09 20:38:57,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 129 transitions. [2018-04-09 20:38:57,296 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 129 transitions. Word has length 49 [2018-04-09 20:38:57,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:38:57,296 INFO L459 AbstractCegarLoop]: Abstraction has 122 states and 129 transitions. [2018-04-09 20:38:57,296 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-09 20:38:57,296 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 129 transitions. [2018-04-09 20:38:57,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-04-09 20:38:57,297 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:38:57,297 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:38:57,297 INFO L408 AbstractCegarLoop]: === Iteration 18 === [subseqErr8RequiresViolation, subseqErr4RequiresViolation, subseqErr2RequiresViolation, subseqErr3RequiresViolation, subseqErr9RequiresViolation, subseqErr7RequiresViolation, subseqErr5RequiresViolation, subseqErr1RequiresViolation, subseqErr0RequiresViolation, subseqErr6RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 20:38:57,297 INFO L82 PathProgramCache]: Analyzing trace with hash -2006281386, now seen corresponding path program 2 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:38:57,303 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:38:57,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:38:57,326 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:38:57,329 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 20:38:57,329 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:38:57,332 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:38:57,332 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-09 20:38:57,342 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 12 [2018-04-09 20:38:57,343 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-09 20:38:57,343 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 20:38:57,345 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:38:57,346 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:38:57,346 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:15, output treesize:11 [2018-04-09 20:38:57,399 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 [2018-04-09 20:38:57,406 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 12 [2018-04-09 20:38:57,406 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-09 20:38:57,409 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 20:38:57,416 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-09 20:38:57,416 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:29, output treesize:34 [2018-04-09 20:38:57,527 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:38:57,528 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:38:57,868 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2018-04-09 20:38:57,882 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2018-04-09 20:38:57,882 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 20:38:57,884 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:38:57,891 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-09 20:38:57,891 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:33, output treesize:35 [2018-04-09 20:38:57,970 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:38:57,992 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 20:38:57,992 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 29 [2018-04-09 20:38:57,993 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-04-09 20:38:57,993 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-04-09 20:38:57,993 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=781, Unknown=0, NotChecked=0, Total=870 [2018-04-09 20:38:57,993 INFO L87 Difference]: Start difference. First operand 122 states and 129 transitions. Second operand 30 states. [2018-04-09 20:38:58,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:38:58,993 INFO L93 Difference]: Finished difference Result 158 states and 167 transitions. [2018-04-09 20:38:58,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-04-09 20:38:58,993 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 66 [2018-04-09 20:38:58,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:38:58,994 INFO L225 Difference]: With dead ends: 158 [2018-04-09 20:38:58,994 INFO L226 Difference]: Without dead ends: 151 [2018-04-09 20:38:58,995 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 278 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=515, Invalid=2035, Unknown=0, NotChecked=0, Total=2550 [2018-04-09 20:38:58,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-04-09 20:38:59,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 79. [2018-04-09 20:38:59,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-04-09 20:38:59,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 83 transitions. [2018-04-09 20:38:59,003 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 83 transitions. Word has length 66 [2018-04-09 20:38:59,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:38:59,003 INFO L459 AbstractCegarLoop]: Abstraction has 79 states and 83 transitions. [2018-04-09 20:38:59,003 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-04-09 20:38:59,003 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 83 transitions. [2018-04-09 20:38:59,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-04-09 20:38:59,004 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:38:59,004 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:38:59,004 INFO L408 AbstractCegarLoop]: === Iteration 19 === [subseqErr8RequiresViolation, subseqErr4RequiresViolation, subseqErr2RequiresViolation, subseqErr3RequiresViolation, subseqErr9RequiresViolation, subseqErr7RequiresViolation, subseqErr5RequiresViolation, subseqErr1RequiresViolation, subseqErr0RequiresViolation, subseqErr6RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 20:38:59,005 INFO L82 PathProgramCache]: Analyzing trace with hash 852201644, now seen corresponding path program 2 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:38:59,010 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:38:59,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:38:59,032 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:38:59,035 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 20:38:59,035 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:38:59,040 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 20:38:59,040 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 20:38:59,044 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:38:59,044 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-04-09 20:38:59,055 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 20:38:59,056 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-04-09 20:38:59,057 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:38:59,064 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 20:38:59,064 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 20:38:59,065 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-09 20:38:59,065 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 20:38:59,069 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:38:59,070 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2018-04-09 20:38:59,087 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 12 [2018-04-09 20:38:59,088 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-09 20:38:59,089 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 20:38:59,090 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:38:59,094 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:38:59,094 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:25, output treesize:21 [2018-04-09 20:38:59,107 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 29 [2018-04-09 20:38:59,108 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-04-09 20:38:59,108 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 20:38:59,112 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:38:59,116 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-09 20:38:59,117 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:32, output treesize:28 [2018-04-09 20:39:03,629 WARN L148 SmtUtils]: Spent 2025ms on a formula simplification that was a NOOP. DAG size: 37 [2018-04-09 20:39:03,708 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 56 [2018-04-09 20:39:03,711 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 38 [2018-04-09 20:39:03,712 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 20:39:03,786 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 40 treesize of output 38 [2018-04-09 20:39:03,786 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-09 20:39:03,834 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 30 [2018-04-09 20:39:03,834 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 20:39:03,889 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 37 [2018-04-09 20:39:03,890 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 4 xjuncts. [2018-04-09 20:39:03,967 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 36 treesize of output 55 [2018-04-09 20:39:03,968 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 4 xjuncts. [2018-04-09 20:39:04,052 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-04-09 20:39:04,053 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-09 20:39:04,055 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2018-04-09 20:39:04,055 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-09 20:39:04,123 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 27 [2018-04-09 20:39:04,124 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-09 20:39:04,178 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 27 treesize of output 25 [2018-04-09 20:39:04,179 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 2 xjuncts. [2018-04-09 20:39:04,241 INFO L267 ElimStorePlain]: Start of recursive call 2: 8 dim-1 vars, End of recursive call: and 7 xjuncts. [2018-04-09 20:39:04,289 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-09 20:39:04,289 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 5 variables, input treesize:60, output treesize:68 [2018-04-09 20:39:04,422 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:39:04,423 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:39:05,290 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2018-04-09 20:39:05,319 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2018-04-09 20:39:05,320 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 20:39:05,331 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2018-04-09 20:39:05,331 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-09 20:39:05,342 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2018-04-09 20:39:05,343 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 20:39:05,346 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:39:05,354 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-09 20:39:05,354 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:67, output treesize:35 [2018-04-09 20:39:07,461 WARN L148 SmtUtils]: Spent 2010ms on a formula simplification that was a NOOP. DAG size: 34 [2018-04-09 20:39:08,142 WARN L148 SmtUtils]: Spent 625ms on a formula simplification that was a NOOP. DAG size: 34 [2018-04-09 20:39:08,179 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:39:08,201 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 20:39:08,201 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 20] total 41 [2018-04-09 20:39:08,201 INFO L442 AbstractCegarLoop]: Interpolant automaton has 42 states [2018-04-09 20:39:08,201 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2018-04-09 20:39:08,202 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=1544, Unknown=0, NotChecked=0, Total=1722 [2018-04-09 20:39:08,202 INFO L87 Difference]: Start difference. First operand 79 states and 83 transitions. Second operand 42 states. [2018-04-09 20:39:11,715 WARN L151 SmtUtils]: Spent 2810ms on a formula simplification. DAG size of input: 80 DAG size of output 55 [2018-04-09 20:39:13,647 WARN L151 SmtUtils]: Spent 1753ms on a formula simplification. DAG size of input: 78 DAG size of output 56 [2018-04-09 20:39:13,830 WARN L151 SmtUtils]: Spent 120ms on a formula simplification. DAG size of input: 82 DAG size of output 60 [2018-04-09 20:39:15,941 WARN L151 SmtUtils]: Spent 2062ms on a formula simplification. DAG size of input: 51 DAG size of output 39 [2018-04-09 20:39:18,113 WARN L151 SmtUtils]: Spent 2114ms on a formula simplification. DAG size of input: 67 DAG size of output 49 [2018-04-09 20:39:20,697 WARN L151 SmtUtils]: Spent 2438ms on a formula simplification. DAG size of input: 64 DAG size of output 50 [2018-04-09 20:39:20,908 WARN L151 SmtUtils]: Spent 157ms on a formula simplification. DAG size of input: 47 DAG size of output 39 [2018-04-09 20:39:21,741 WARN L151 SmtUtils]: Spent 744ms on a formula simplification. DAG size of input: 53 DAG size of output 45 [2018-04-09 20:39:21,974 WARN L151 SmtUtils]: Spent 172ms on a formula simplification. DAG size of input: 60 DAG size of output 52 [2018-04-09 20:39:26,545 WARN L151 SmtUtils]: Spent 4524ms on a formula simplification. DAG size of input: 60 DAG size of output 49 [2018-04-09 20:39:29,687 WARN L151 SmtUtils]: Spent 3088ms on a formula simplification. DAG size of input: 55 DAG size of output 47 [2018-04-09 20:39:33,019 WARN L151 SmtUtils]: Spent 3267ms on a formula simplification. DAG size of input: 53 DAG size of output 45 [2018-04-09 20:39:40,159 WARN L151 SmtUtils]: Spent 7093ms on a formula simplification. DAG size of input: 56 DAG size of output 48 [2018-04-09 20:39:47,463 WARN L151 SmtUtils]: Spent 7256ms on a formula simplification. DAG size of input: 65 DAG size of output 52 [2018-04-09 20:39:51,226 WARN L151 SmtUtils]: Spent 3706ms on a formula simplification. DAG size of input: 65 DAG size of output 54 [2018-04-09 20:39:52,893 WARN L151 SmtUtils]: Spent 1618ms on a formula simplification. DAG size of input: 63 DAG size of output 51 [2018-04-09 20:39:55,099 WARN L151 SmtUtils]: Spent 2060ms on a formula simplification. DAG size of input: 55 DAG size of output 47 [2018-04-09 20:40:01,802 WARN L151 SmtUtils]: Spent 6643ms on a formula simplification. DAG size of input: 72 DAG size of output 59 [2018-04-09 20:40:05,319 WARN L151 SmtUtils]: Spent 3440ms on a formula simplification. DAG size of input: 75 DAG size of output 58 [2018-04-09 20:40:05,555 WARN L151 SmtUtils]: Spent 170ms on a formula simplification. DAG size of input: 58 DAG size of output 46 [2018-04-09 20:40:07,656 WARN L151 SmtUtils]: Spent 162ms on a formula simplification. DAG size of input: 52 DAG size of output 40 [2018-04-09 20:40:07,870 WARN L151 SmtUtils]: Spent 156ms on a formula simplification. DAG size of input: 58 DAG size of output 46 [2018-04-09 20:40:12,274 WARN L151 SmtUtils]: Spent 4351ms on a formula simplification. DAG size of input: 65 DAG size of output 53 [2018-04-09 20:40:12,502 WARN L151 SmtUtils]: Spent 168ms on a formula simplification. DAG size of input: 65 DAG size of output 50 [2018-04-09 20:40:12,723 WARN L151 SmtUtils]: Spent 134ms on a formula simplification. DAG size of input: 60 DAG size of output 48 [2018-04-09 20:40:12,883 WARN L151 SmtUtils]: Spent 110ms on a formula simplification. DAG size of input: 61 DAG size of output 49 [2018-04-09 20:40:13,119 WARN L151 SmtUtils]: Spent 184ms on a formula simplification. DAG size of input: 70 DAG size of output 52 [2018-04-09 20:40:13,298 WARN L151 SmtUtils]: Spent 120ms on a formula simplification. DAG size of input: 70 DAG size of output 54 [2018-04-09 20:40:17,434 WARN L151 SmtUtils]: Spent 4065ms on a formula simplification. DAG size of input: 68 DAG size of output 51 [2018-04-09 20:40:17,779 WARN L151 SmtUtils]: Spent 162ms on a formula simplification. DAG size of input: 60 DAG size of output 48 [2018-04-09 20:40:18,551 WARN L151 SmtUtils]: Spent 722ms on a formula simplification. DAG size of input: 77 DAG size of output 60 [2018-04-09 20:40:18,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:40:18,564 INFO L93 Difference]: Finished difference Result 105 states and 110 transitions. [2018-04-09 20:40:18,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-04-09 20:40:18,564 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 69 [2018-04-09 20:40:18,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:40:18,564 INFO L225 Difference]: With dead ends: 105 [2018-04-09 20:40:18,564 INFO L226 Difference]: Without dead ends: 0 [2018-04-09 20:40:18,566 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 96 SyntacticMatches, 1 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 966 ImplicationChecksByTransitivity, 77.9s TimeCoverageRelationStatistics Valid=1276, Invalid=5529, Unknown=1, NotChecked=0, Total=6806 [2018-04-09 20:40:18,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-09 20:40:18,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-09 20:40:18,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-09 20:40:18,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-09 20:40:18,567 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2018-04-09 20:40:18,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:40:18,567 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-09 20:40:18,567 INFO L460 AbstractCegarLoop]: Interpolant automaton has 42 states. [2018-04-09 20:40:18,567 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-09 20:40:18,567 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-09 20:40:18,570 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-04-09 20:40:18,968 WARN L151 SmtUtils]: Spent 395ms on a formula simplification. DAG size of input: 265 DAG size of output 258 [2018-04-09 20:40:44,023 WARN L151 SmtUtils]: Spent 25026ms on a formula simplification. DAG size of input: 301 DAG size of output 135 [2018-04-09 20:40:44,347 WARN L151 SmtUtils]: Spent 253ms on a formula simplification. DAG size of input: 153 DAG size of output 69 [2018-04-09 20:40:44,350 INFO L416 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-04-09 20:40:44,350 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-04-09 20:40:44,350 INFO L412 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-04-09 20:40:44,350 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-04-09 20:40:44,350 INFO L416 ceAbstractionStarter]: For program point L544'''''''''(line 544) no Hoare annotation was computed. [2018-04-09 20:40:44,350 INFO L416 ceAbstractionStarter]: For program point L544'''''''''''''(line 544) no Hoare annotation was computed. [2018-04-09 20:40:44,350 INFO L416 ceAbstractionStarter]: For program point subseqErr5RequiresViolation(line 545) no Hoare annotation was computed. [2018-04-09 20:40:44,350 INFO L416 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-04-09 20:40:44,350 INFO L416 ceAbstractionStarter]: For program point L540(lines 540 552) no Hoare annotation was computed. [2018-04-09 20:40:44,350 INFO L416 ceAbstractionStarter]: For program point L546(line 546) no Hoare annotation was computed. [2018-04-09 20:40:44,350 INFO L416 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-04-09 20:40:44,350 INFO L416 ceAbstractionStarter]: For program point L544(lines 544 549) no Hoare annotation was computed. [2018-04-09 20:40:44,351 INFO L416 ceAbstractionStarter]: For program point L543(line 543) no Hoare annotation was computed. [2018-04-09 20:40:44,351 INFO L416 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-04-09 20:40:44,351 INFO L416 ceAbstractionStarter]: For program point L550''(line 550) no Hoare annotation was computed. [2018-04-09 20:40:44,351 INFO L416 ceAbstractionStarter]: For program point L546'(line 546) no Hoare annotation was computed. [2018-04-09 20:40:44,351 INFO L416 ceAbstractionStarter]: For program point subseqErr4RequiresViolation(line 545) no Hoare annotation was computed. [2018-04-09 20:40:44,351 INFO L412 ceAbstractionStarter]: At program point L544''''''''''''''(lines 544 549) the Hoare annotation is: (let ((.cse0 (select |#length| |subseq_#in~s.base|))) (or (not (= (select (select |#memory_int| |subseq_#in~t.base|) (+ (select |#length| |subseq_#in~t.base|) (- 1))) 0)) (not (= 0 (select (select |#memory_int| |subseq_#in~s.base|) (+ .cse0 (- 1))))) (or (not (= 1 (select |#valid| |subseq_#in~s.base|))) (not (= 1 (select |#valid| |subseq_#in~t.base|))) (< |subseq_#in~s.offset| 0) (not (exists ((|v_main_#t~malloc13.base_BEFORE_CALL_7| Int) (|v_main_#t~malloc12.base_BEFORE_CALL_7| Int)) (and (not (= |v_main_#t~malloc13.base_BEFORE_CALL_7| |v_main_#t~malloc12.base_BEFORE_CALL_7|)) (= (select |#valid| |v_main_#t~malloc12.base_BEFORE_CALL_7|) 1) (= (select |#valid| |v_main_#t~malloc13.base_BEFORE_CALL_7|) 1)))) (< |subseq_#in~t.offset| 0) (< .cse0 (+ |subseq_#in~s.offset| 1)) (not (exists ((main_~length2~0 Int)) (and (<= 1 main_~length2~0) (= (select (select |#memory_int| |subseq_#in~t.base|) (+ |subseq_#in~t.offset| main_~length2~0 (- 1))) 0) (<= (+ |subseq_#in~t.offset| main_~length2~0) (select |#length| |subseq_#in~t.base|)))))) (let ((.cse1 (select |#length| subseq_~ps~0.base))) (and (= 0 (select (select |#memory_int| subseq_~s.base) (+ (select |#length| subseq_~s.base) (- 1)))) (let ((.cse2 (select |#length| subseq_~pt~0.base))) (and (and (exists ((main_~length2~0 Int)) (and (= 0 (select (select |#memory_int| subseq_~t.base) (+ subseq_~t.offset main_~length2~0 (- 1)))) (<= 1 main_~length2~0) (<= (+ subseq_~t.offset main_~length2~0) (select |#length| subseq_~t.base)))) (<= 0 subseq_~ps~0.offset) (<= 0 subseq_~t.offset) (= 1 (select |#valid| subseq_~ps~0.base)) (<= (+ subseq_~ps~0.offset 1) .cse1) (<= 0 subseq_~pt~0.offset) (= 1 (select |#valid| subseq_~pt~0.base)) (= (select |#valid| subseq_~t.base) 1) (exists ((v_main_~nondetString1~0.offset_BEFORE_CALL_2 Int) (main_~length1~0 Int)) (and (= (select (select |#memory_int| subseq_~s.base) (+ v_main_~nondetString1~0.offset_BEFORE_CALL_2 main_~length1~0 (- 1))) 0) (<= 1 main_~length1~0) (<= (+ v_main_~nondetString1~0.offset_BEFORE_CALL_2 main_~length1~0) (select |#length| subseq_~s.base)) (<= subseq_~s.offset v_main_~nondetString1~0.offset_BEFORE_CALL_2))) (= (select |#valid| subseq_~s.base) 1) (<= 0 subseq_~s.offset) (<= (+ subseq_~pt~0.offset 1) .cse2)) (= (select (select |#memory_int| subseq_~t.base) (+ (select |#length| subseq_~t.base) (- 1))) 0) (= 0 (select (select |#memory_int| subseq_~pt~0.base) (+ .cse2 (- 1)))))) (= 0 (select (select |#memory_int| subseq_~ps~0.base) (+ .cse1 (- 1)))))) (not (exists ((main_~nondetString2~0.base Int) (main_~nondetString2~0.offset Int)) (and (not (= |subseq_#in~s.base| main_~nondetString2~0.base)) (= 0 (select (select |#memory_int| main_~nondetString2~0.base) (+ main_~nondetString2~0.offset (select |#length| main_~nondetString2~0.base) (- 1))))))))) [2018-04-09 20:40:44,351 INFO L416 ceAbstractionStarter]: For program point L544''''''''(line 544) no Hoare annotation was computed. [2018-04-09 20:40:44,351 INFO L416 ceAbstractionStarter]: For program point L550'(line 550) no Hoare annotation was computed. [2018-04-09 20:40:44,351 INFO L416 ceAbstractionStarter]: For program point L544'''''''''''(line 544) no Hoare annotation was computed. [2018-04-09 20:40:44,351 INFO L416 ceAbstractionStarter]: For program point L544'''''''(line 544) no Hoare annotation was computed. [2018-04-09 20:40:44,351 INFO L416 ceAbstractionStarter]: For program point subseqErr7RequiresViolation(line 545) no Hoare annotation was computed. [2018-04-09 20:40:44,352 INFO L416 ceAbstractionStarter]: For program point subseqEXIT(lines 540 552) no Hoare annotation was computed. [2018-04-09 20:40:44,352 INFO L416 ceAbstractionStarter]: For program point L544''''''(lines 544 549) no Hoare annotation was computed. [2018-04-09 20:40:44,352 INFO L416 ceAbstractionStarter]: For program point subseqErr2RequiresViolation(line 544) no Hoare annotation was computed. [2018-04-09 20:40:44,352 INFO L416 ceAbstractionStarter]: For program point L545''(lines 545 547) no Hoare annotation was computed. [2018-04-09 20:40:44,352 INFO L416 ceAbstractionStarter]: For program point L544'''(line 544) no Hoare annotation was computed. [2018-04-09 20:40:44,352 INFO L416 ceAbstractionStarter]: For program point subseqErr0RequiresViolation(line 544) no Hoare annotation was computed. [2018-04-09 20:40:44,352 INFO L416 ceAbstractionStarter]: For program point L544''''(line 544) no Hoare annotation was computed. [2018-04-09 20:40:44,352 INFO L416 ceAbstractionStarter]: For program point L550'''(line 550) no Hoare annotation was computed. [2018-04-09 20:40:44,352 INFO L416 ceAbstractionStarter]: For program point subseqErr1RequiresViolation(line 544) no Hoare annotation was computed. [2018-04-09 20:40:44,352 INFO L419 ceAbstractionStarter]: At program point subseqENTRY(lines 540 552) the Hoare annotation is: true [2018-04-09 20:40:44,353 INFO L416 ceAbstractionStarter]: For program point subseqErr9RequiresViolation(line 550) no Hoare annotation was computed. [2018-04-09 20:40:44,353 INFO L416 ceAbstractionStarter]: For program point L545''''(line 545) no Hoare annotation was computed. [2018-04-09 20:40:44,353 INFO L416 ceAbstractionStarter]: For program point L544'(line 544) no Hoare annotation was computed. [2018-04-09 20:40:44,353 INFO L416 ceAbstractionStarter]: For program point subseqErr8RequiresViolation(line 550) no Hoare annotation was computed. [2018-04-09 20:40:44,353 INFO L416 ceAbstractionStarter]: For program point subseqFINAL(lines 540 552) no Hoare annotation was computed. [2018-04-09 20:40:44,353 INFO L416 ceAbstractionStarter]: For program point L548'(line 548) no Hoare annotation was computed. [2018-04-09 20:40:44,353 INFO L416 ceAbstractionStarter]: For program point L545'''(line 545) no Hoare annotation was computed. [2018-04-09 20:40:44,353 INFO L416 ceAbstractionStarter]: For program point L544''''''''''''(line 544) no Hoare annotation was computed. [2018-04-09 20:40:44,353 INFO L416 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-04-09 20:40:44,353 INFO L416 ceAbstractionStarter]: For program point L550(lines 550 551) no Hoare annotation was computed. [2018-04-09 20:40:44,353 INFO L416 ceAbstractionStarter]: For program point L545'''''''(line 545) no Hoare annotation was computed. [2018-04-09 20:40:44,353 INFO L416 ceAbstractionStarter]: For program point L545''''''(line 545) no Hoare annotation was computed. [2018-04-09 20:40:44,353 INFO L416 ceAbstractionStarter]: For program point subseqErr3RequiresViolation(line 544) no Hoare annotation was computed. [2018-04-09 20:40:44,353 INFO L416 ceAbstractionStarter]: For program point L546''(line 546) no Hoare annotation was computed. [2018-04-09 20:40:44,353 INFO L416 ceAbstractionStarter]: For program point L544''(line 544) no Hoare annotation was computed. [2018-04-09 20:40:44,354 INFO L416 ceAbstractionStarter]: For program point L545'(line 545) no Hoare annotation was computed. [2018-04-09 20:40:44,354 INFO L416 ceAbstractionStarter]: For program point L545''''''''(lines 545 547) no Hoare annotation was computed. [2018-04-09 20:40:44,354 INFO L416 ceAbstractionStarter]: For program point subseqErr6RequiresViolation(line 545) no Hoare annotation was computed. [2018-04-09 20:40:44,354 INFO L416 ceAbstractionStarter]: For program point L544'''''''''''''''(lines 544 549) no Hoare annotation was computed. [2018-04-09 20:40:44,354 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____bswap_64EXIT(lines 61 65) no Hoare annotation was computed. [2018-04-09 20:40:44,354 INFO L416 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-04-09 20:40:44,354 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____bswap_64ENTRY(lines 61 65) no Hoare annotation was computed. [2018-04-09 20:40:44,354 INFO L416 ceAbstractionStarter]: For program point L64'(line 64) no Hoare annotation was computed. [2018-04-09 20:40:44,354 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____bswap_64FINAL(lines 61 65) no Hoare annotation was computed. [2018-04-09 20:40:44,354 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____bswap_32ENTRY(lines 56 60) no Hoare annotation was computed. [2018-04-09 20:40:44,354 INFO L416 ceAbstractionStarter]: For program point L59(line 59) no Hoare annotation was computed. [2018-04-09 20:40:44,354 INFO L416 ceAbstractionStarter]: For program point L59'(line 59) no Hoare annotation was computed. [2018-04-09 20:40:44,354 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____bswap_32FINAL(lines 56 60) no Hoare annotation was computed. [2018-04-09 20:40:44,354 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____bswap_32EXIT(lines 56 60) no Hoare annotation was computed. [2018-04-09 20:40:44,354 INFO L419 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-04-09 20:40:44,355 INFO L419 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-04-09 20:40:44,355 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-04-09 20:40:44,355 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-04-09 20:40:44,355 INFO L416 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-04-09 20:40:44,355 INFO L416 ceAbstractionStarter]: For program point mainErr1RequiresViolation(line 564) no Hoare annotation was computed. [2018-04-09 20:40:44,355 INFO L416 ceAbstractionStarter]: For program point L564(line 564) no Hoare annotation was computed. [2018-04-09 20:40:44,355 INFO L416 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-04-09 20:40:44,355 INFO L416 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-04-09 20:40:44,355 INFO L416 ceAbstractionStarter]: For program point L563'(line 563) no Hoare annotation was computed. [2018-04-09 20:40:44,355 INFO L416 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-04-09 20:40:44,355 INFO L412 ceAbstractionStarter]: At program point L565(line 565) the Hoare annotation is: (let ((.cse1 (select |#length| main_~nondetString1~0.base)) (.cse0 (store |old(#valid)| |main_#t~malloc12.base| 1)) (.cse2 (select |#length| main_~nondetString2~0.base))) (and (= main_~nondetString2~0.offset 0) (= 0 main_~nondetString1~0.offset) (= |main_#t~malloc12.offset| 0) (= |#valid| (store .cse0 |main_#t~malloc13.base| 1)) (not (= main_~nondetString2~0.base main_~nondetString1~0.base)) (= .cse1 main_~length1~0) (exists ((main_~length2~0 Int)) (and (= 0 (select (select |#memory_int| main_~nondetString2~0.base) (+ main_~nondetString2~0.offset main_~length2~0 (- 1)))) (<= 1 main_~length2~0) (<= (+ main_~nondetString2~0.offset main_~length2~0) (select |#length| main_~nondetString2~0.base)))) (= 1 (select |#valid| main_~nondetString1~0.base)) (= 0 (select (select |#memory_int| main_~nondetString2~0.base) (+ .cse2 (- 1)))) (= 0 (select (select |#memory_int| main_~nondetString1~0.base) (+ .cse1 (- 1)))) (= 0 |main_#t~malloc13.offset|) (= (select |#length| |main_#t~malloc12.base|) main_~length1~0) (= (select .cse0 |main_#t~malloc13.base|) 0) (exists ((main_~length1~0 Int)) (and (<= (+ main_~nondetString1~0.offset main_~length1~0) (select |#length| main_~nondetString1~0.base)) (<= 1 main_~length1~0) (= (select (select |#memory_int| main_~nondetString1~0.base) (+ main_~nondetString1~0.offset main_~length1~0 (- 1))) 0))) (= .cse2 main_~length2~0) (= (select |#length| |main_#t~malloc13.base|) main_~length2~0) (= 1 (select |#valid| main_~nondetString2~0.base)) (= 0 (select |old(#valid)| |main_#t~malloc12.base|)) (not (= |main_#t~malloc13.base| main_~nondetString1~0.base)))) [2018-04-09 20:40:44,355 INFO L416 ceAbstractionStarter]: For program point mainErr0RequiresViolation(line 564) no Hoare annotation was computed. [2018-04-09 20:40:44,355 INFO L416 ceAbstractionStarter]: For program point mainErr2RequiresViolation(line 565) no Hoare annotation was computed. [2018-04-09 20:40:44,356 INFO L416 ceAbstractionStarter]: For program point L554'(line 554) no Hoare annotation was computed. [2018-04-09 20:40:44,356 INFO L416 ceAbstractionStarter]: For program point L566'(line 566) no Hoare annotation was computed. [2018-04-09 20:40:44,356 INFO L416 ceAbstractionStarter]: For program point L555''(line 555) no Hoare annotation was computed. [2018-04-09 20:40:44,356 INFO L416 ceAbstractionStarter]: For program point L556''(lines 553 567) no Hoare annotation was computed. [2018-04-09 20:40:44,356 INFO L416 ceAbstractionStarter]: For program point mainErr3RequiresViolation(line 565) no Hoare annotation was computed. [2018-04-09 20:40:44,356 INFO L416 ceAbstractionStarter]: For program point L562'(line 562) no Hoare annotation was computed. [2018-04-09 20:40:44,356 INFO L416 ceAbstractionStarter]: For program point L564'(line 564) no Hoare annotation was computed. [2018-04-09 20:40:44,356 INFO L416 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-04-09 20:40:44,356 INFO L416 ceAbstractionStarter]: For program point mainFINAL(lines 553 567) no Hoare annotation was computed. [2018-04-09 20:40:44,356 INFO L416 ceAbstractionStarter]: For program point L556(lines 556 558) no Hoare annotation was computed. [2018-04-09 20:40:44,356 INFO L416 ceAbstractionStarter]: For program point L555(line 555) no Hoare annotation was computed. [2018-04-09 20:40:44,356 INFO L416 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-04-09 20:40:44,356 INFO L416 ceAbstractionStarter]: For program point mainErr4EnsuresViolationMEMORY_LEAK(lines 553 567) no Hoare annotation was computed. [2018-04-09 20:40:44,356 INFO L416 ceAbstractionStarter]: For program point mainEXIT(lines 553 567) no Hoare annotation was computed. [2018-04-09 20:40:44,357 INFO L412 ceAbstractionStarter]: At program point mainENTRY(lines 553 567) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-04-09 20:40:44,357 INFO L416 ceAbstractionStarter]: For program point L562''(line 562) no Hoare annotation was computed. [2018-04-09 20:40:44,357 INFO L416 ceAbstractionStarter]: For program point L563''(line 563) no Hoare annotation was computed. [2018-04-09 20:40:44,357 INFO L416 ceAbstractionStarter]: For program point L555'(line 555) no Hoare annotation was computed. [2018-04-09 20:40:44,357 INFO L416 ceAbstractionStarter]: For program point L563'''(line 563) no Hoare annotation was computed. [2018-04-09 20:40:44,357 INFO L416 ceAbstractionStarter]: For program point L559'(lines 559 561) no Hoare annotation was computed. [2018-04-09 20:40:44,357 INFO L416 ceAbstractionStarter]: For program point L566''(line 566) no Hoare annotation was computed. [2018-04-09 20:40:44,365 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-09 20:40:44,366 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc12.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-09 20:40:44,366 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc12.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-09 20:40:44,366 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-09 20:40:44,367 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-09 20:40:44,367 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-09 20:40:44,367 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-09 20:40:44,368 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-09 20:40:44,368 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-09 20:40:44,368 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-09 20:40:44,368 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-09 20:40:44,369 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-09 20:40:44,369 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-09 20:40:44,369 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-09 20:40:44,369 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-09 20:40:44,369 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-09 20:40:44,370 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-09 20:40:44,370 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-09 20:40:44,370 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-04-09 20:40:44,370 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-09 20:40:44,372 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 20:40:44,373 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:40:44,373 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 20:40:44,373 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:40:44,373 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:40:44,373 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 20:40:44,374 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:40:44,374 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 20:40:44,374 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:40:44,374 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 20:40:44,374 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:40:44,374 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:40:44,375 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 20:40:44,375 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:40:44,375 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:40:44,375 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 20:40:44,375 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:40:44,375 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 20:40:44,375 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:40:44,376 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 20:40:44,376 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:40:44,376 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 20:40:44,376 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:40:44,384 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-09 20:40:44,384 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc12.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-09 20:40:44,384 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc12.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-09 20:40:44,384 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-09 20:40:44,385 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-09 20:40:44,385 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-09 20:40:44,385 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-09 20:40:44,386 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-09 20:40:44,386 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-09 20:40:44,386 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-09 20:40:44,387 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-09 20:40:44,387 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-09 20:40:44,387 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-09 20:40:44,387 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-09 20:40:44,388 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-09 20:40:44,388 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-09 20:40:44,388 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-09 20:40:44,388 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-09 20:40:44,389 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-04-09 20:40:44,389 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-09 20:40:44,389 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 20:40:44,389 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:40:44,390 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 20:40:44,390 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:40:44,390 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:40:44,390 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 20:40:44,391 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:40:44,391 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 20:40:44,391 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:40:44,391 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 20:40:44,391 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:40:44,392 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:40:44,392 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 20:40:44,392 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:40:44,393 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:40:44,393 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 20:40:44,393 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:40:44,393 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 20:40:44,393 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:40:44,393 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 20:40:44,394 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:40:44,394 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 20:40:44,394 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:40:44,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.04 08:40:44 BoogieIcfgContainer [2018-04-09 20:40:44,396 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-09 20:40:44,397 INFO L168 Benchmark]: Toolchain (without parser) took 123923.00 ms. Allocated memory was 305.7 MB in the beginning and 619.7 MB in the end (delta: 314.0 MB). Free memory was 243.0 MB in the beginning and 493.2 MB in the end (delta: -250.1 MB). Peak memory consumption was 263.5 MB. Max. memory is 5.3 GB. [2018-04-09 20:40:44,398 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 305.7 MB. Free memory is still 268.0 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-09 20:40:44,398 INFO L168 Benchmark]: CACSL2BoogieTranslator took 343.53 ms. Allocated memory is still 305.7 MB. Free memory was 243.0 MB in the beginning and 219.1 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. [2018-04-09 20:40:44,398 INFO L168 Benchmark]: Boogie Preprocessor took 54.35 ms. Allocated memory is still 305.7 MB. Free memory was 219.1 MB in the beginning and 217.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-04-09 20:40:44,399 INFO L168 Benchmark]: RCFGBuilder took 612.26 ms. Allocated memory was 305.7 MB in the beginning and 469.8 MB in the end (delta: 164.1 MB). Free memory was 216.1 MB in the beginning and 402.8 MB in the end (delta: -186.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 5.3 GB. [2018-04-09 20:40:44,399 INFO L168 Benchmark]: TraceAbstraction took 122908.59 ms. Allocated memory was 469.8 MB in the beginning and 619.7 MB in the end (delta: 149.9 MB). Free memory was 402.8 MB in the beginning and 493.2 MB in the end (delta: -90.4 MB). Peak memory consumption was 259.1 MB. Max. memory is 5.3 GB. [2018-04-09 20:40:44,400 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 305.7 MB. Free memory is still 268.0 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 343.53 ms. Allocated memory is still 305.7 MB. Free memory was 243.0 MB in the beginning and 219.1 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 54.35 ms. Allocated memory is still 305.7 MB. Free memory was 219.1 MB in the beginning and 217.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 612.26 ms. Allocated memory was 305.7 MB in the beginning and 469.8 MB in the end (delta: 164.1 MB). Free memory was 216.1 MB in the beginning and 402.8 MB in the end (delta: -186.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 122908.59 ms. Allocated memory was 469.8 MB in the beginning and 619.7 MB in the end (delta: 149.9 MB). Free memory was 402.8 MB in the beginning and 493.2 MB in the end (delta: -90.4 MB). Peak memory consumption was 259.1 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc12.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc12.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc12.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc12.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #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 #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 #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #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 #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 545]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 544]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 544]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 545]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 545]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 544]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 544]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 545]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 565]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 564]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 565]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 553]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 564]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 15 specifications checked. All of them hold - InvariantResult [Line: 544]: Loop Invariant [2018-04-09 20:40:44,408 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-09 20:40:44,408 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc12.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-09 20:40:44,408 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc12.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-09 20:40:44,408 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-09 20:40:44,408 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-09 20:40:44,409 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-09 20:40:44,409 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-09 20:40:44,409 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-09 20:40:44,410 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-09 20:40:44,410 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-09 20:40:44,410 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-09 20:40:44,410 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-09 20:40:44,411 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-09 20:40:44,411 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-09 20:40:44,411 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-09 20:40:44,411 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-09 20:40:44,412 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-09 20:40:44,412 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-09 20:40:44,412 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-04-09 20:40:44,412 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-09 20:40:44,412 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 20:40:44,413 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:40:44,413 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 20:40:44,413 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:40:44,413 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:40:44,413 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 20:40:44,414 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:40:44,414 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 20:40:44,414 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:40:44,414 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 20:40:44,414 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:40:44,415 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:40:44,415 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 20:40:44,415 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:40:44,415 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:40:44,415 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 20:40:44,416 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:40:44,416 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 20:40:44,416 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:40:44,416 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 20:40:44,416 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:40:44,416 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 20:40:44,417 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:40:44,420 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-09 20:40:44,420 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc12.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-09 20:40:44,420 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc12.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-09 20:40:44,420 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-09 20:40:44,421 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-09 20:40:44,421 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-09 20:40:44,421 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-09 20:40:44,421 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-09 20:40:44,422 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-09 20:40:44,422 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-09 20:40:44,422 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-09 20:40:44,423 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-09 20:40:44,423 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-09 20:40:44,423 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-09 20:40:44,423 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-09 20:40:44,423 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-09 20:40:44,424 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-09 20:40:44,424 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-09 20:40:44,424 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-04-09 20:40:44,424 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-09 20:40:44,424 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 20:40:44,425 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:40:44,425 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 20:40:44,425 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:40:44,425 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:40:44,425 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 20:40:44,426 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:40:44,426 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 20:40:44,426 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:40:44,426 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 20:40:44,426 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:40:44,427 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:40:44,427 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 20:40:44,427 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:40:44,427 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:40:44,428 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 20:40:44,428 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:40:44,428 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 20:40:44,428 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:40:44,428 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 20:40:44,429 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 20:40:44,429 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 20:40:44,429 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: (((!(unknown-#memory_int-unknown[t][unknown-#length-unknown[t] + -1] == 0) || !(0 == unknown-#memory_int-unknown[s][unknown-#length-unknown[s] + -1])) || (((((!(1 == \valid[s]) || !(1 == \valid[t])) || s < 0) || !(\exists v_main_#t~malloc13.base_BEFORE_CALL_7 : int, v_main_#t~malloc12.base_BEFORE_CALL_7 : int :: (!(v_main_#t~malloc13.base_BEFORE_CALL_7 == v_main_#t~malloc12.base_BEFORE_CALL_7) && \valid[v_main_#t~malloc12.base_BEFORE_CALL_7] == 1) && \valid[v_main_#t~malloc13.base_BEFORE_CALL_7] == 1)) || t < 0) || unknown-#length-unknown[s] < s + 1) || !(\exists main_~length2~0 : int :: (1 <= main_~length2~0 && unknown-#memory_int-unknown[t][t + main_~length2~0 + -1] == 0) && t + main_~length2~0 <= unknown-#length-unknown[t])) || ((0 == unknown-#memory_int-unknown[s][unknown-#length-unknown[s] + -1] && (((((((((((((\exists main_~length2~0 : int :: (0 == unknown-#memory_int-unknown[t][t + main_~length2~0 + -1] && 1 <= main_~length2~0) && t + main_~length2~0 <= unknown-#length-unknown[t]) && 0 <= ps) && 0 <= t) && 1 == \valid[ps]) && ps + 1 <= unknown-#length-unknown[ps]) && 0 <= pt) && 1 == \valid[pt]) && \valid[t] == 1) && (\exists v_main_~nondetString1~0.offset_BEFORE_CALL_2 : int, main_~length1~0 : int :: ((unknown-#memory_int-unknown[s][v_main_~nondetString1~0.offset_BEFORE_CALL_2 + main_~length1~0 + -1] == 0 && 1 <= main_~length1~0) && v_main_~nondetString1~0.offset_BEFORE_CALL_2 + main_~length1~0 <= unknown-#length-unknown[s]) && s <= v_main_~nondetString1~0.offset_BEFORE_CALL_2)) && \valid[s] == 1) && 0 <= s) && pt + 1 <= unknown-#length-unknown[pt]) && unknown-#memory_int-unknown[t][unknown-#length-unknown[t] + -1] == 0) && 0 == unknown-#memory_int-unknown[pt][unknown-#length-unknown[pt] + -1]) && 0 == unknown-#memory_int-unknown[ps][unknown-#length-unknown[ps] + -1])) || !(\exists main_~nondetString2~0.base : int, main_~nondetString2~0.offset : int :: !(s == main_~nondetString2~0.base) && 0 == unknown-#memory_int-unknown[main_~nondetString2~0.base][main_~nondetString2~0.offset + unknown-#length-unknown[main_~nondetString2~0.base] + -1]) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 97 locations, 15 error locations. SAFE Result, 122.8s OverallTime, 19 OverallIterations, 3 TraceHistogramMax, 78.0s AutomataDifference, 0.0s DeadEndRemovalTime, 25.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 1445 SDtfs, 3340 SDslu, 6307 SDs, 0 SdLazy, 4585 SolverSat, 201 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 3.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1662 GetRequests, 1272 SyntacticMatches, 18 SemanticMatches, 372 ConstructedPredicates, 20 IntricatePredicates, 0 DeprecatedPredicates, 2564 ImplicationChecksByTransitivity, 87.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=248occurred in iteration=15, 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: 0.2s AutomataMinimizationTime, 19 MinimizatonAttempts, 542 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 12 NumberOfFragments, 401 HoareAnnotationTreeSize, 7 FomulaSimplifications, 1586 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 10266 FormulaSimplificationTreeSizeReductionInter, 25.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 17.6s InterpolantComputationTime, 757 NumberOfCodeBlocks, 757 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 1476 ConstructedInterpolants, 261 QuantifiedInterpolants, 845862 SizeOfPredicates, 163 NumberOfNonLiveVariables, 2368 ConjunctsInSsa, 324 ConjunctsInUnsatCore, 38 InterpolantComputations, 30 PerfectInterpolantSequences, 39/142 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/subseq-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-09_20-40-44-434.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/subseq-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-09_20-40-44-434.csv [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...