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/cstrncmp-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-835382a-m [2018-04-05 15:36:42,958 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-05 15:36:42,965 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-05 15:36:43,020 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-05 15:36:43,020 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-05 15:36:43,021 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-05 15:36:43,022 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-05 15:36:43,024 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-05 15:36:43,027 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-05 15:36:43,028 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-05 15:36:43,031 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-04-05 15:36:43,078 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 [2018-04-05 15:36:43,148 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-05 15:36:43,149 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-05 15:36:43,149 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-04-05 15:36:43,150 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-04-05 15:36:43,152 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-04-05 15:36:43,152 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-04-05 15:36:43,153 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-04-05 15:36:43,160 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-04-05 15:36:43,160 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-04-05 15:36:43,160 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-04-05 15:36:43,161 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-04-05 15:36:43,161 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-05 15:36:43,161 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-05 15:36:43,161 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-05 15:36:43,161 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-05 15:36:43,162 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-05 15:36:43,162 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-05 15:36:43,162 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-05 15:36:43,162 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-04-05 15:36:43,163 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-05 15:36:43,163 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-05 15:36:43,164 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-05 15:36:43,164 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-04-05 15:36:43,164 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-04-05 15:36:43,164 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-05 15:36:43,165 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-05 15:36:43,165 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-05 15:36:43,173 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-05 15:36:43,173 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-05 15:36:43,174 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-04-05 15:36:43,174 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-04-05 15:36:43,174 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 15:36:43,175 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-04-05 15:36:43,176 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-04-05 15:36:43,176 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-04-05 15:36:43,176 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-04-05 15:36:43,176 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-04-05 15:36:43,278 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-05 15:36:43,295 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-05 15:36:43,308 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-05 15:36:43,310 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-05 15:36:43,310 INFO L276 PluginConnector]: CDTParser initialized [2018-04-05 15:36:43,311 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:43,864 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGf490f3556 [2018-04-05 15:36:44,446 INFO L287 CDTParser]: IsIndexed: true [2018-04-05 15:36:44,447 INFO L288 CDTParser]: Found 1 translation units. [2018-04-05 15:36:44,447 INFO L168 CDTParser]: Scanning cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,480 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-05 15:36:44,480 INFO L215 ultiparseSymbolTable]: [2018-04-05 15:36:44,480 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-05 15:36:44,480 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,481 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_32 ('__bswap_32') in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,481 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_64 ('__bswap_64') in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,481 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__ ('') in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,481 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-05 15:36:44,481 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____key_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,481 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____clockid_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,481 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__clockid_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,481 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____clock_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,482 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__dev_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,482 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__u_int16_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,482 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____u_int in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,482 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__quad_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,482 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__loff_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,482 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__u_int8_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,482 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_cond_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,482 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____uint8_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,483 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__fsid_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,483 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__uint in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,483 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____blkcnt_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,483 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_condattr_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,483 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____sigset_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,483 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____WAIT_STATUS in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,483 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____daddr_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,483 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_spinlock_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,484 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__id_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,489 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__int64_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,489 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_barrier_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,489 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____u_quad_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,490 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____pid_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,490 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____syscall_slong_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,490 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__ushort in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,490 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____int64_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,490 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____quad_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,490 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__wchar_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,490 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__register_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,490 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____useconds_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,491 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_attr_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,491 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____nlink_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,491 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____fsblkcnt64_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,491 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__sigset_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,491 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____gid_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,491 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____sig_atomic_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,491 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____timer_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,491 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____ino64_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,492 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____syscall_ulong_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,495 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,496 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____uid_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,496 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__ssize_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,496 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____fd_mask in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,496 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__nlink_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,496 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__u_int32_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,496 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__key_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,497 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__fd_mask in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,497 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__fsfilcnt_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,497 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____ssize_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,497 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,497 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____blkcnt64_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,497 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____fsword_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,497 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__timer_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,497 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____off_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,498 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____uint64_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,498 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__int32_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,498 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____suseconds_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,498 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__time_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,498 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____int32_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,498 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__fsblkcnt_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,498 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__div_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,498 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____id_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,499 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____uint32_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,509 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__caddr_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,510 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____qaddr_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,510 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____rlim64_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,510 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____fsfilcnt_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,510 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_mutexattr_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,510 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__u_int in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,510 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____blksize_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,510 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__blksize_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,511 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____off64_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,511 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____time_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,511 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____intptr_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,511 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__int8_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,511 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__size_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,511 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____u_char in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,511 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_key_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,511 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__u_quad_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,512 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__ino_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,512 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__uid_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,512 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_rwlock_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,512 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____socklen_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,512 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__lldiv_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,512 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_mutex_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,512 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__int16_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,513 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____fsblkcnt_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,515 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____pthread_list_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,516 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_barrierattr_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,516 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____rlim_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,516 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____fsfilcnt64_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,516 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__u_short in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,516 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____int16_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,516 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____u_long in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,516 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__ldiv_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,516 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__blkcnt_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,517 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____int8_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,517 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__gid_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,517 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__ulong in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,517 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__u_char in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,517 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__off_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,517 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__u_int64_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,517 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_once_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,518 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____mode_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,518 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____uint16_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,518 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____caddr_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,518 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____ino_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,518 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__u_long in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,518 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____loff_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,518 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____fsid_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,518 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__clock_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,532 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__pid_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,532 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__daddr_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,532 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__fd_set in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,532 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____dev_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,532 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__mode_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,533 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__suseconds_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,533 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____u_short in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:44,608 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGf490f3556 [2018-04-05 15:36:44,627 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-05 15:36:44,634 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-05 15:36:44,635 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-05 15:36:44,635 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-05 15:36:44,650 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-05 15:36:44,655 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 03:36:44" (1/1) ... [2018-04-05 15:36:44,662 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78c5dfbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:36:44, skipping insertion in model container [2018-04-05 15:36:44,662 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 03:36:44" (1/1) ... [2018-04-05 15:36:44,683 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-05 15:36:44,738 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-05 15:36:45,139 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-05 15:36:45,283 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-05 15:36:45,308 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-05 15:36:45,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:36:45 WrapperNode [2018-04-05 15:36:45,402 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-05 15:36:45,403 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-05 15:36:45,403 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-05 15:36:45,403 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-05 15:36:45,424 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:36:45" (1/1) ... [2018-04-05 15:36:45,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:36:45" (1/1) ... [2018-04-05 15:36:45,463 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:36:45" (1/1) ... [2018-04-05 15:36:45,463 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:36:45" (1/1) ... [2018-04-05 15:36:45,498 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:36:45" (1/1) ... [2018-04-05 15:36:45,535 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:36:45" (1/1) ... [2018-04-05 15:36:45,538 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:36:45" (1/1) ... [2018-04-05 15:36:45,544 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-05 15:36:45,551 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-05 15:36:45,551 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-05 15:36:45,551 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-05 15:36:45,552 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:36:45" (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 [2018-04-05 15:36:45,862 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-05 15:36:45,862 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-05 15:36:45,862 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-05 15:36:45,872 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-05 15:36:45,872 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrncmp [2018-04-05 15:36:45,872 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-05 15:36:45,872 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-05 15:36:45,872 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-05 15:36:45,873 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-05 15:36:45,873 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-05 15:36:45,873 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-05 15:36:45,873 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-05 15:36:45,873 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-05 15:36:45,873 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-05 15:36:45,873 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-05 15:36:45,873 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-05 15:36:45,874 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-05 15:36:45,874 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-05 15:36:45,874 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-05 15:36:45,874 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-05 15:36:45,874 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-05 15:36:45,874 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-05 15:36:45,889 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-05 15:36:45,889 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-05 15:36:45,889 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-05 15:36:45,889 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-05 15:36:45,889 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-05 15:36:45,890 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-05 15:36:45,890 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-05 15:36:45,890 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-05 15:36:45,890 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-05 15:36:45,890 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-05 15:36:45,890 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-05 15:36:45,890 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-05 15:36:45,890 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-05 15:36:45,891 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-05 15:36:45,891 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-05 15:36:45,891 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-05 15:36:45,891 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-05 15:36:45,891 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-05 15:36:45,891 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-05 15:36:45,891 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-05 15:36:45,891 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-05 15:36:45,891 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-05 15:36:45,892 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-05 15:36:45,892 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-05 15:36:45,892 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-05 15:36:45,892 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-05 15:36:45,892 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-05 15:36:45,892 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-05 15:36:45,892 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-05 15:36:45,892 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-05 15:36:45,892 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-05 15:36:45,893 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-05 15:36:45,901 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-05 15:36:45,901 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-05 15:36:45,901 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-05 15:36:45,901 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-05 15:36:45,901 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-05 15:36:45,902 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-05 15:36:45,902 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-05 15:36:45,902 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-05 15:36:45,902 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-05 15:36:45,902 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-05 15:36:45,902 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-05 15:36:45,902 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-05 15:36:45,902 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-05 15:36:45,903 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-05 15:36:45,903 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-05 15:36:45,903 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-05 15:36:45,908 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-05 15:36:45,908 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-05 15:36:45,908 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-05 15:36:45,908 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-05 15:36:45,908 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-05 15:36:45,908 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-05 15:36:45,908 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-05 15:36:45,909 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-05 15:36:45,909 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-05 15:36:45,909 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-05 15:36:45,909 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-05 15:36:45,909 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-05 15:36:45,909 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-05 15:36:45,909 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-05 15:36:45,914 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-05 15:36:45,914 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-05 15:36:45,914 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-05 15:36:45,914 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-05 15:36:45,914 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-05 15:36:45,914 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-05 15:36:45,915 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-05 15:36:45,915 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-05 15:36:45,915 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-05 15:36:45,915 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-05 15:36:45,915 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-05 15:36:45,915 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-05 15:36:45,915 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-05 15:36:45,915 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-05 15:36:45,915 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-05 15:36:45,916 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-05 15:36:45,916 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-05 15:36:45,916 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-05 15:36:45,916 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-05 15:36:45,916 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-05 15:36:45,916 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-05 15:36:45,916 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-05 15:36:45,916 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-05 15:36:45,916 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-05 15:36:45,917 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-05 15:36:45,917 INFO L128 BoogieDeclarations]: Found specification of procedure cstrncmp [2018-04-05 15:36:45,917 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-05 15:36:45,917 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-05 15:36:45,917 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-05 15:36:45,917 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-05 15:36:45,917 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-05 15:36:45,917 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-05 15:36:45,917 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-05 15:36:45,918 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-05 15:36:47,210 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-05 15:36:47,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 03:36:47 BoogieIcfgContainer [2018-04-05 15:36:47,210 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-05 15:36:47,211 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-05 15:36:47,211 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-05 15:36:47,214 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-05 15:36:47,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 03:36:44" (1/3) ... [2018-04-05 15:36:47,215 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52330953 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 03:36:47, skipping insertion in model container [2018-04-05 15:36:47,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:36:45" (2/3) ... [2018-04-05 15:36:47,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52330953 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 03:36:47, skipping insertion in model container [2018-04-05 15:36:47,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 03:36:47" (3/3) ... [2018-04-05 15:36:47,218 INFO L107 eAbstractionObserver]: Analyzing ICFG cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:36:47,228 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-05 15:36:47,246 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2018-04-05 15:36:47,371 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-05 15:36:47,372 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-05 15:36:47,382 INFO L370 AbstractCegarLoop]: Hoare is true [2018-04-05 15:36:47,382 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-05 15:36:47,382 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-05 15:36:47,382 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-05 15:36:47,382 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-05 15:36:47,383 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-05 15:36:47,383 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-05 15:36:47,384 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-05 15:36:47,413 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states. [2018-04-05 15:36:47,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-05 15:36:47,426 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:36:47,427 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 15:36:47,427 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-04-05 15:36:47,440 INFO L82 PathProgramCache]: Analyzing trace with hash 860528869, 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 [2018-04-05 15:36:47,492 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:36:47,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:36:47,652 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:36:47,766 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 [2018-04-05 15:36:47,769 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 15:36:47,809 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:36:47,810 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-05 15:36:47,949 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 [2018-04-05 15:36:47,950 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 15:36:48,007 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. [2018-04-05 15:36:48,008 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2018-04-05 15:36:48,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:36:48,065 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:36:48,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:36:48,235 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 15:36:48,235 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-05 15:36:48,241 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-05 15:36:48,258 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-05 15:36:48,259 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-05 15:36:48,262 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 4 states. [2018-04-05 15:36:48,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:36:48,666 INFO L93 Difference]: Finished difference Result 134 states and 142 transitions. [2018-04-05 15:36:48,668 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-05 15:36:48,670 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2018-04-05 15:36:48,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:36:48,696 INFO L225 Difference]: With dead ends: 134 [2018-04-05 15:36:48,696 INFO L226 Difference]: Without dead ends: 100 [2018-04-05 15:36:48,705 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 33 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-05 15:36:48,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-04-05 15:36:48,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-04-05 15:36:48,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-04-05 15:36:48,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 107 transitions. [2018-04-05 15:36:48,780 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 107 transitions. Word has length 19 [2018-04-05 15:36:48,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:36:48,781 INFO L459 AbstractCegarLoop]: Abstraction has 100 states and 107 transitions. [2018-04-05 15:36:48,781 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-05 15:36:48,781 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 107 transitions. [2018-04-05 15:36:48,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-05 15:36:48,782 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:36:48,782 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 15:36:48,783 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-04-05 15:36:48,783 INFO L82 PathProgramCache]: Analyzing trace with hash 860528870, 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 [2018-04-05 15:36:48,819 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:36:48,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:36:48,881 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:36:48,920 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 [2018-04-05 15:36:48,920 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 15:36:48,987 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 [2018-04-05 15:36:48,988 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 15:36:49,032 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:36:49,033 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:19, output treesize:17 [2018-04-05 15:36:49,226 WARN L148 SmtUtils]: Spent 177ms on a formula simplification that was a NOOP. DAG size: 14 [2018-04-05 15:36:49,462 WARN L148 SmtUtils]: Spent 111ms on a formula simplification that was a NOOP. DAG size: 14 [2018-04-05 15:36:49,509 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 15:36:49,522 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 15:36:49,523 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 [2018-04-05 15:36:49,523 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 15:36:49,622 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 [2018-04-05 15:36:49,623 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 15:36:49,707 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:36:49,707 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:28, output treesize:12 [2018-04-05 15:36:49,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:36:49,807 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:36:50,091 WARN L148 SmtUtils]: Spent 138ms on a formula simplification that was a NOOP. DAG size: 26 [2018-04-05 15:36:50,257 INFO L267 ElimStorePlain]: Start of recursive call 1: End of recursive call: and 1 xjuncts. [2018-04-05 15:36:50,257 INFO L202 ElimStorePlain]: Needed 1 recursive calls to eliminate 5 variables, input treesize:25, output treesize:3 [2018-04-05 15:36:50,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:36:50,405 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 15:36:50,405 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2018-04-05 15:36:50,406 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-05 15:36:50,407 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-05 15:36:50,407 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-04-05 15:36:50,407 INFO L87 Difference]: Start difference. First operand 100 states and 107 transitions. Second operand 9 states. [2018-04-05 15:36:52,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:36:52,154 INFO L93 Difference]: Finished difference Result 100 states and 107 transitions. [2018-04-05 15:36:52,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-05 15:36:52,156 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2018-04-05 15:36:52,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:36:52,158 INFO L225 Difference]: With dead ends: 100 [2018-04-05 15:36:52,158 INFO L226 Difference]: Without dead ends: 99 [2018-04-05 15:36:52,163 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-04-05 15:36:52,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-04-05 15:36:52,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2018-04-05 15:36:52,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-04-05 15:36:52,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 106 transitions. [2018-04-05 15:36:52,213 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 106 transitions. Word has length 19 [2018-04-05 15:36:52,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:36:52,213 INFO L459 AbstractCegarLoop]: Abstraction has 99 states and 106 transitions. [2018-04-05 15:36:52,214 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-05 15:36:52,214 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 106 transitions. [2018-04-05 15:36:52,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-05 15:36:52,215 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:36:52,215 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] [2018-04-05 15:36:52,215 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-04-05 15:36:52,215 INFO L82 PathProgramCache]: Analyzing trace with hash 906591167, 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) [2018-04-05 15:36:52,262 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 15:36:52,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:36:52,311 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:36:52,335 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 [2018-04-05 15:36:52,336 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 15:36:52,343 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:36:52,343 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-05 15:36:52,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:36:52,390 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:36:52,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:36:52,477 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 15:36:52,477 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-05 15:36:52,477 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-05 15:36:52,478 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-05 15:36:52,478 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-05 15:36:52,478 INFO L87 Difference]: Start difference. First operand 99 states and 106 transitions. Second operand 4 states. [2018-04-05 15:36:52,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:36:52,921 INFO L93 Difference]: Finished difference Result 99 states and 106 transitions. [2018-04-05 15:36:52,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-05 15:36:52,928 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-04-05 15:36:52,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:36:52,934 INFO L225 Difference]: With dead ends: 99 [2018-04-05 15:36:52,934 INFO L226 Difference]: Without dead ends: 98 [2018-04-05 15:36:52,937 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 [2018-04-05 15:36:52,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2018-04-05 15:36:52,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2018-04-05 15:36:52,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-04-05 15:36:52,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 105 transitions. [2018-04-05 15:36:52,968 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 105 transitions. Word has length 20 [2018-04-05 15:36:52,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:36:52,969 INFO L459 AbstractCegarLoop]: Abstraction has 98 states and 105 transitions. [2018-04-05 15:36:52,969 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-05 15:36:52,971 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 105 transitions. [2018-04-05 15:36:52,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-05 15:36:52,972 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:36:52,972 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] [2018-04-05 15:36:52,972 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-04-05 15:36:52,972 INFO L82 PathProgramCache]: Analyzing trace with hash 906591168, 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 [2018-04-05 15:36:52,997 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:36:53,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:36:53,045 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:36:53,107 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 [2018-04-05 15:36:53,107 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 15:36:53,188 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:36:53,188 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-04-05 15:36:53,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:36:53,437 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:36:53,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:36:53,738 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 15:36:53,738 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2018-04-05 15:36:53,738 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-05 15:36:53,739 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-05 15:36:53,739 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-04-05 15:36:53,739 INFO L87 Difference]: Start difference. First operand 98 states and 105 transitions. Second operand 7 states. [2018-04-05 15:36:54,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:36:54,119 INFO L93 Difference]: Finished difference Result 98 states and 105 transitions. [2018-04-05 15:36:54,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-05 15:36:54,120 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-04-05 15:36:54,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:36:54,121 INFO L225 Difference]: With dead ends: 98 [2018-04-05 15:36:54,122 INFO L226 Difference]: Without dead ends: 97 [2018-04-05 15:36:54,135 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-04-05 15:36:54,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-04-05 15:36:54,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2018-04-05 15:36:54,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-04-05 15:36:54,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 104 transitions. [2018-04-05 15:36:54,188 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 104 transitions. Word has length 20 [2018-04-05 15:36:54,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:36:54,188 INFO L459 AbstractCegarLoop]: Abstraction has 97 states and 104 transitions. [2018-04-05 15:36:54,188 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-05 15:36:54,189 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 104 transitions. [2018-04-05 15:36:54,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-04-05 15:36:54,196 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:36:54,196 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] [2018-04-05 15:36:54,196 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-04-05 15:36:54,196 INFO L82 PathProgramCache]: Analyzing trace with hash 1160474171, 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 [2018-04-05 15:36:54,220 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:36:54,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:36:54,307 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:36:54,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:36:54,388 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:36:54,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:36:54,458 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 15:36:54,458 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2018-04-05 15:36:54,458 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-05 15:36:54,459 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-05 15:36:54,459 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-05 15:36:54,459 INFO L87 Difference]: Start difference. First operand 97 states and 104 transitions. Second operand 5 states. [2018-04-05 15:36:55,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:36:55,306 INFO L93 Difference]: Finished difference Result 132 states and 143 transitions. [2018-04-05 15:36:55,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-05 15:36:55,306 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2018-04-05 15:36:55,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:36:55,310 INFO L225 Difference]: With dead ends: 132 [2018-04-05 15:36:55,311 INFO L226 Difference]: Without dead ends: 129 [2018-04-05 15:36:55,311 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-05 15:36:55,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-04-05 15:36:55,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 116. [2018-04-05 15:36:55,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-04-05 15:36:55,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 129 transitions. [2018-04-05 15:36:55,321 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 129 transitions. Word has length 34 [2018-04-05 15:36:55,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:36:55,322 INFO L459 AbstractCegarLoop]: Abstraction has 116 states and 129 transitions. [2018-04-05 15:36:55,322 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-05 15:36:55,322 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 129 transitions. [2018-04-05 15:36:55,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-04-05 15:36:55,323 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:36:55,323 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] [2018-04-05 15:36:55,323 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-04-05 15:36:55,324 INFO L82 PathProgramCache]: Analyzing trace with hash 1160474172, 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 [2018-04-05 15:36:55,348 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:36:55,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:36:55,396 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:36:55,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:36:55,717 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:36:55,760 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 [2018-04-05 15:36:55,761 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 15:36:55,835 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 [2018-04-05 15:36:55,835 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 15:36:55,855 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-05 15:36:55,856 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2018-04-05 15:36:55,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:36:55,989 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 15:36:55,989 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2018-04-05 15:36:55,990 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-05 15:36:55,990 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-05 15:36:55,990 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-04-05 15:36:55,990 INFO L87 Difference]: Start difference. First operand 116 states and 129 transitions. Second operand 8 states. [2018-04-05 15:36:56,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:36:56,826 INFO L93 Difference]: Finished difference Result 129 states and 140 transitions. [2018-04-05 15:36:56,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-05 15:36:56,827 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2018-04-05 15:36:56,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:36:56,828 INFO L225 Difference]: With dead ends: 129 [2018-04-05 15:36:56,829 INFO L226 Difference]: Without dead ends: 126 [2018-04-05 15:36:56,833 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 59 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2018-04-05 15:36:56,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-04-05 15:36:56,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 116. [2018-04-05 15:36:56,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-04-05 15:36:56,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 126 transitions. [2018-04-05 15:36:56,871 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 126 transitions. Word has length 34 [2018-04-05 15:36:56,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:36:56,872 INFO L459 AbstractCegarLoop]: Abstraction has 116 states and 126 transitions. [2018-04-05 15:36:56,872 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-05 15:36:56,872 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 126 transitions. [2018-04-05 15:36:56,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-04-05 15:36:56,873 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:36:56,873 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] [2018-04-05 15:36:56,874 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-04-05 15:36:56,877 INFO L82 PathProgramCache]: Analyzing trace with hash 1614960980, 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 [2018-04-05 15:36:56,914 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:36:56,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:36:56,974 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:36:57,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:36:57,098 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:36:57,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:36:57,202 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 15:36:57,202 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2018-04-05 15:36:57,203 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-05 15:36:57,203 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-05 15:36:57,203 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-05 15:36:57,204 INFO L87 Difference]: Start difference. First operand 116 states and 126 transitions. Second operand 5 states. [2018-04-05 15:36:57,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:36:57,543 INFO L93 Difference]: Finished difference Result 138 states and 149 transitions. [2018-04-05 15:36:57,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-05 15:36:57,544 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2018-04-05 15:36:57,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:36:57,546 INFO L225 Difference]: With dead ends: 138 [2018-04-05 15:36:57,546 INFO L226 Difference]: Without dead ends: 136 [2018-04-05 15:36:57,546 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-05 15:36:57,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-04-05 15:36:57,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 120. [2018-04-05 15:36:57,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-04-05 15:36:57,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 132 transitions. [2018-04-05 15:36:57,585 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 132 transitions. Word has length 35 [2018-04-05 15:36:57,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:36:57,589 INFO L459 AbstractCegarLoop]: Abstraction has 120 states and 132 transitions. [2018-04-05 15:36:57,589 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-05 15:36:57,590 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 132 transitions. [2018-04-05 15:36:57,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-04-05 15:36:57,591 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:36:57,591 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] [2018-04-05 15:36:57,591 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-04-05 15:36:57,592 INFO L82 PathProgramCache]: Analyzing trace with hash 1614960981, 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 [2018-04-05 15:36:57,639 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:36:57,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:36:57,700 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:36:58,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:36:58,225 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:36:58,263 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 [2018-04-05 15:36:58,264 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 15:36:58,320 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 [2018-04-05 15:36:58,320 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 15:36:58,344 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-05 15:36:58,345 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2018-04-05 15:36:58,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:36:58,476 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 15:36:58,476 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2018-04-05 15:36:58,476 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-05 15:36:58,477 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-05 15:36:58,477 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-04-05 15:36:58,477 INFO L87 Difference]: Start difference. First operand 120 states and 132 transitions. Second operand 8 states. [2018-04-05 15:36:59,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:36:59,158 INFO L93 Difference]: Finished difference Result 136 states and 147 transitions. [2018-04-05 15:36:59,158 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-05 15:36:59,159 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2018-04-05 15:36:59,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:36:59,160 INFO L225 Difference]: With dead ends: 136 [2018-04-05 15:36:59,160 INFO L226 Difference]: Without dead ends: 134 [2018-04-05 15:36:59,161 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 61 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2018-04-05 15:36:59,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-04-05 15:36:59,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 120. [2018-04-05 15:36:59,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-04-05 15:36:59,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 130 transitions. [2018-04-05 15:36:59,199 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 130 transitions. Word has length 35 [2018-04-05 15:36:59,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:36:59,200 INFO L459 AbstractCegarLoop]: Abstraction has 120 states and 130 transitions. [2018-04-05 15:36:59,208 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-05 15:36:59,208 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 130 transitions. [2018-04-05 15:36:59,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-04-05 15:36:59,210 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:36:59,210 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 15:36:59,210 INFO L408 AbstractCegarLoop]: === Iteration 9 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-04-05 15:36:59,210 INFO L82 PathProgramCache]: Analyzing trace with hash 476124190, 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 [2018-04-05 15:36:59,245 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:36:59,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:36:59,301 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:36:59,502 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 15:36:59,503 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 [2018-04-05 15:36:59,520 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 15:36:59,521 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 [2018-04-05 15:36:59,522 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 15:36:59,563 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:36:59,594 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. [2018-04-05 15:36:59,594 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-04-05 15:36:59,790 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc15.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc15.base| 1))) (and (= 0 (select .cse0 |c_main_#t~malloc16.base|)) (= (select |c_old(#valid)| |main_#t~malloc15.base|) 0) (= |c_#valid| (store (store .cse0 |c_main_#t~malloc16.base| 1) |main_#t~malloc15.base| 0))))) is different from true [2018-04-05 15:36:59,813 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc16.base| Int) (|main_#t~malloc15.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc15.base| 1))) (and (= 0 (select .cse0 |main_#t~malloc16.base|)) (= (select |c_old(#valid)| |main_#t~malloc15.base|) 0) (= |c_#valid| (store (store (store .cse0 |main_#t~malloc16.base| 1) |main_#t~malloc15.base| 0) |main_#t~malloc16.base| 0))))) is different from true [2018-04-05 15:36:59,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:36:59,833 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:36:59,990 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc16.base_12| Int)) (or (= (store (store (store |c_#valid| |v_main_#t~malloc16.base_12| 1) |c_main_#t~malloc15.base| 0) |v_main_#t~malloc16.base_12| 0) |c_old(#valid)|) (not (= (select |c_#valid| |v_main_#t~malloc16.base_12|) 0)))) is different from false [2018-04-05 15:37:00,023 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc15.base_11| Int) (|v_main_#t~malloc16.base_12| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc15.base_11| 1))) (or (not (= (select |c_#valid| |v_main_#t~malloc15.base_11|) 0)) (not (= 0 (select .cse0 |v_main_#t~malloc16.base_12|))) (= (store (store (store .cse0 |v_main_#t~malloc16.base_12| 1) |v_main_#t~malloc15.base_11| 0) |v_main_#t~malloc16.base_12| 0) |c_old(#valid)|)))) is different from false [2018-04-05 15:37:00,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:37:00,154 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 15:37:00,155 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2018-04-05 15:37:00,155 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-05 15:37:00,155 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-05 15:37:00,156 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=45, Unknown=4, NotChecked=60, Total=132 [2018-04-05 15:37:00,156 INFO L87 Difference]: Start difference. First operand 120 states and 130 transitions. Second operand 12 states. [2018-04-05 15:37:00,248 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc15.base_11| Int) (|v_main_#t~malloc16.base_12| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc15.base_11| 1))) (or (not (= (select |c_#valid| |v_main_#t~malloc15.base_11|) 0)) (not (= 0 (select .cse0 |v_main_#t~malloc16.base_12|))) (= (store (store (store .cse0 |v_main_#t~malloc16.base_12| 1) |v_main_#t~malloc15.base_11| 0) |v_main_#t~malloc16.base_12| 0) |c_old(#valid)|))))) is different from false [2018-04-05 15:37:02,230 WARN L151 SmtUtils]: Spent 110ms on a formula simplification. DAG size of input: 21 DAG size of output 20 [2018-04-05 15:37:03,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:37:03,990 INFO L93 Difference]: Finished difference Result 225 states and 244 transitions. [2018-04-05 15:37:03,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-05 15:37:03,992 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 40 [2018-04-05 15:37:03,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:37:03,994 INFO L225 Difference]: With dead ends: 225 [2018-04-05 15:37:03,994 INFO L226 Difference]: Without dead ends: 194 [2018-04-05 15:37:03,995 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 69 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=45, Invalid=125, Unknown=6, NotChecked=130, Total=306 [2018-04-05 15:37:03,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2018-04-05 15:37:04,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 184. [2018-04-05 15:37:04,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2018-04-05 15:37:04,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 209 transitions. [2018-04-05 15:37:04,031 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 209 transitions. Word has length 40 [2018-04-05 15:37:04,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:37:04,032 INFO L459 AbstractCegarLoop]: Abstraction has 184 states and 209 transitions. [2018-04-05 15:37:04,032 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-05 15:37:04,032 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 209 transitions. [2018-04-05 15:37:04,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-04-05 15:37:04,038 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:37:04,038 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] [2018-04-05 15:37:04,039 INFO L408 AbstractCegarLoop]: === Iteration 10 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-04-05 15:37:04,039 INFO L82 PathProgramCache]: Analyzing trace with hash 866784326, 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 [2018-04-05 15:37:04,063 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:37:04,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:37:04,102 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:37:04,379 WARN L148 SmtUtils]: Spent 114ms on a formula simplification that was a NOOP. DAG size: 16 [2018-04-05 15:37:04,435 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 15:37:04,436 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 [2018-04-05 15:37:04,451 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 15:37:04,452 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 [2018-04-05 15:37:04,453 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 15:37:04,492 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:37:04,529 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. [2018-04-05 15:37:04,529 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-04-05 15:37:04,696 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc15.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc15.base| 1))) (and (= 0 (select .cse0 |c_main_#t~malloc16.base|)) (= (select |c_old(#valid)| |main_#t~malloc15.base|) 0) (= |c_#valid| (store (store .cse0 |c_main_#t~malloc16.base| 1) |main_#t~malloc15.base| 0))))) is different from true [2018-04-05 15:37:04,710 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc16.base| Int) (|main_#t~malloc15.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc15.base| 1))) (and (= 0 (select .cse0 |main_#t~malloc16.base|)) (= (select |c_old(#valid)| |main_#t~malloc15.base|) 0) (= |c_#valid| (store (store (store .cse0 |main_#t~malloc16.base| 1) |main_#t~malloc15.base| 0) |main_#t~malloc16.base| 0))))) is different from true [2018-04-05 15:37:04,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:37:04,733 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:37:04,887 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc16.base_14| Int)) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc16.base_14|))) (= |c_old(#valid)| (store (store (store |c_#valid| |v_main_#t~malloc16.base_14| 1) |c_main_#t~malloc15.base| 0) |v_main_#t~malloc16.base_14| 0)))) is different from false [2018-04-05 15:37:04,926 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc16.base_14| Int) (|v_main_#t~malloc15.base_13| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc15.base_13| 1))) (or (not (= (select .cse0 |v_main_#t~malloc16.base_14|) 0)) (not (= (select |c_#valid| |v_main_#t~malloc15.base_13|) 0)) (= (store (store (store .cse0 |v_main_#t~malloc16.base_14| 1) |v_main_#t~malloc15.base_13| 0) |v_main_#t~malloc16.base_14| 0) |c_old(#valid)|)))) is different from false [2018-04-05 15:37:05,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:37:05,108 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 15:37:05,108 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2018-04-05 15:37:05,108 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-05 15:37:05,109 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-05 15:37:05,109 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=45, Unknown=4, NotChecked=60, Total=132 [2018-04-05 15:37:05,109 INFO L87 Difference]: Start difference. First operand 184 states and 209 transitions. Second operand 12 states. [2018-04-05 15:37:05,223 WARN L1011 $PredicateComparison]: unable to prove that (and (forall ((|v_main_#t~malloc16.base_14| Int) (|v_main_#t~malloc15.base_13| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc15.base_13| 1))) (or (not (= (select .cse0 |v_main_#t~malloc16.base_14|) 0)) (not (= (select |c_#valid| |v_main_#t~malloc15.base_13|) 0)) (= (store (store (store .cse0 |v_main_#t~malloc16.base_14| 1) |v_main_#t~malloc15.base_13| 0) |v_main_#t~malloc16.base_14| 0) |c_old(#valid)|)))) (= |c_#valid| |c_old(#valid)|)) is different from false [2018-04-05 15:37:08,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:37:08,533 INFO L93 Difference]: Finished difference Result 289 states and 322 transitions. [2018-04-05 15:37:08,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-05 15:37:08,534 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 41 [2018-04-05 15:37:08,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:37:08,536 INFO L225 Difference]: With dead ends: 289 [2018-04-05 15:37:08,536 INFO L226 Difference]: Without dead ends: 258 [2018-04-05 15:37:08,537 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 71 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=45, Invalid=125, Unknown=6, NotChecked=130, Total=306 [2018-04-05 15:37:08,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2018-04-05 15:37:08,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 185. [2018-04-05 15:37:08,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2018-04-05 15:37:08,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 210 transitions. [2018-04-05 15:37:08,576 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 210 transitions. Word has length 41 [2018-04-05 15:37:08,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:37:08,577 INFO L459 AbstractCegarLoop]: Abstraction has 185 states and 210 transitions. [2018-04-05 15:37:08,577 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-05 15:37:08,577 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 210 transitions. [2018-04-05 15:37:08,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-04-05 15:37:08,578 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:37:08,578 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] [2018-04-05 15:37:08,578 INFO L408 AbstractCegarLoop]: === Iteration 11 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-04-05 15:37:08,579 INFO L82 PathProgramCache]: Analyzing trace with hash -2055840757, 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 [2018-04-05 15:37:08,639 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:37:08,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:37:08,692 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:37:09,011 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 15:37:09,012 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 [2018-04-05 15:37:09,028 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 15:37:09,029 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 [2018-04-05 15:37:09,029 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 15:37:09,074 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:37:09,104 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. [2018-04-05 15:37:09,104 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-04-05 15:37:09,255 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc15.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc15.base| 1))) (and (= 0 (select .cse0 |c_main_#t~malloc16.base|)) (= (select |c_old(#valid)| |main_#t~malloc15.base|) 0) (= |c_#valid| (store (store .cse0 |c_main_#t~malloc16.base| 1) |main_#t~malloc15.base| 0))))) is different from true [2018-04-05 15:37:09,266 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc16.base| Int) (|main_#t~malloc15.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc15.base| 1))) (and (= 0 (select .cse0 |main_#t~malloc16.base|)) (= (select |c_old(#valid)| |main_#t~malloc15.base|) 0) (= |c_#valid| (store (store (store .cse0 |main_#t~malloc16.base| 1) |main_#t~malloc15.base| 0) |main_#t~malloc16.base| 0))))) is different from true [2018-04-05 15:37:09,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:37:09,274 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:37:09,394 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc16.base_16| Int)) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc16.base_16|))) (= (store (store (store |c_#valid| |v_main_#t~malloc16.base_16| 1) |c_main_#t~malloc15.base| 0) |v_main_#t~malloc16.base_16| 0) |c_old(#valid)|))) is different from false [2018-04-05 15:37:09,455 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc16.base_16| Int) (|v_main_#t~malloc15.base_15| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc15.base_15| 1))) (or (= |c_old(#valid)| (store (store (store .cse0 |v_main_#t~malloc16.base_16| 1) |v_main_#t~malloc15.base_15| 0) |v_main_#t~malloc16.base_16| 0)) (not (= 0 (select |c_#valid| |v_main_#t~malloc15.base_15|))) (not (= (select .cse0 |v_main_#t~malloc16.base_16|) 0))))) is different from false [2018-04-05 15:37:09,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:37:09,563 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 15:37:09,563 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2018-04-05 15:37:09,563 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-05 15:37:09,563 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-05 15:37:09,564 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=45, Unknown=4, NotChecked=60, Total=132 [2018-04-05 15:37:09,564 INFO L87 Difference]: Start difference. First operand 185 states and 210 transitions. Second operand 12 states. [2018-04-05 15:37:09,646 WARN L1011 $PredicateComparison]: unable to prove that (and (forall ((|v_main_#t~malloc16.base_16| Int) (|v_main_#t~malloc15.base_15| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc15.base_15| 1))) (or (= |c_old(#valid)| (store (store (store .cse0 |v_main_#t~malloc16.base_16| 1) |v_main_#t~malloc15.base_15| 0) |v_main_#t~malloc16.base_16| 0)) (not (= 0 (select |c_#valid| |v_main_#t~malloc15.base_15|))) (not (= (select .cse0 |v_main_#t~malloc16.base_16|) 0))))) (= |c_#valid| |c_old(#valid)|)) is different from false [2018-04-05 15:37:12,151 WARN L151 SmtUtils]: Spent 131ms on a formula simplification. DAG size of input: 22 DAG size of output 20 [2018-04-05 15:37:14,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:37:14,186 INFO L93 Difference]: Finished difference Result 289 states and 322 transitions. [2018-04-05 15:37:14,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-05 15:37:14,187 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 41 [2018-04-05 15:37:14,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:37:14,189 INFO L225 Difference]: With dead ends: 289 [2018-04-05 15:37:14,189 INFO L226 Difference]: Without dead ends: 258 [2018-04-05 15:37:14,190 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 71 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=45, Invalid=125, Unknown=6, NotChecked=130, Total=306 [2018-04-05 15:37:14,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2018-04-05 15:37:14,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 185. [2018-04-05 15:37:14,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2018-04-05 15:37:14,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 210 transitions. [2018-04-05 15:37:14,230 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 210 transitions. Word has length 41 [2018-04-05 15:37:14,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:37:14,230 INFO L459 AbstractCegarLoop]: Abstraction has 185 states and 210 transitions. [2018-04-05 15:37:14,230 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-05 15:37:14,230 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 210 transitions. [2018-04-05 15:37:14,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-04-05 15:37:14,231 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:37:14,232 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] [2018-04-05 15:37:14,232 INFO L408 AbstractCegarLoop]: === Iteration 12 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-04-05 15:37:14,232 INFO L82 PathProgramCache]: Analyzing trace with hash -314717703, 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 [2018-04-05 15:37:14,253 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:37:14,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:37:14,332 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:37:14,585 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 15:37:14,654 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 [2018-04-05 15:37:14,676 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 [2018-04-05 15:37:14,677 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 15:37:14,717 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:37:14,745 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. [2018-04-05 15:37:14,746 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-04-05 15:37:14,839 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc15.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc15.base| 1))) (and (= 0 (select .cse0 |c_main_#t~malloc16.base|)) (= (select |c_old(#valid)| |main_#t~malloc15.base|) 0) (= |c_#valid| (store (store .cse0 |c_main_#t~malloc16.base| 1) |main_#t~malloc15.base| 0))))) is different from true [2018-04-05 15:37:14,857 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc16.base| Int) (|main_#t~malloc15.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc15.base| 1))) (and (= 0 (select .cse0 |main_#t~malloc16.base|)) (= (select |c_old(#valid)| |main_#t~malloc15.base|) 0) (= |c_#valid| (store (store (store .cse0 |main_#t~malloc16.base| 1) |main_#t~malloc15.base| 0) |main_#t~malloc16.base| 0))))) is different from true [2018-04-05 15:37:14,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:37:14,867 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:37:14,997 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc16.base_18| Int)) (or (= |c_old(#valid)| (store (store (store |c_#valid| |v_main_#t~malloc16.base_18| 1) |c_main_#t~malloc15.base| 0) |v_main_#t~malloc16.base_18| 0)) (not (= 0 (select |c_#valid| |v_main_#t~malloc16.base_18|))))) is different from false [2018-04-05 15:37:15,008 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc16.base_18| Int) (|v_main_#t~malloc15.base_17| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc15.base_17| 1))) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc15.base_17|))) (= (store (store (store .cse0 |v_main_#t~malloc16.base_18| 1) |v_main_#t~malloc15.base_17| 0) |v_main_#t~malloc16.base_18| 0) |c_old(#valid)|) (not (= (select .cse0 |v_main_#t~malloc16.base_18|) 0))))) is different from false [2018-04-05 15:37:15,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:37:15,097 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 15:37:15,097 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2018-04-05 15:37:15,098 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-05 15:37:15,098 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-05 15:37:15,098 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=45, Unknown=4, NotChecked=60, Total=132 [2018-04-05 15:37:15,099 INFO L87 Difference]: Start difference. First operand 185 states and 210 transitions. Second operand 12 states. [2018-04-05 15:37:15,165 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc16.base_18| Int) (|v_main_#t~malloc15.base_17| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc15.base_17| 1))) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc15.base_17|))) (= (store (store (store .cse0 |v_main_#t~malloc16.base_18| 1) |v_main_#t~malloc15.base_17| 0) |v_main_#t~malloc16.base_18| 0) |c_old(#valid)|) (not (= (select .cse0 |v_main_#t~malloc16.base_18|) 0)))))) is different from false [2018-04-05 15:37:17,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:37:17,560 INFO L93 Difference]: Finished difference Result 195 states and 210 transitions. [2018-04-05 15:37:17,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-05 15:37:17,563 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 42 [2018-04-05 15:37:17,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:37:17,565 INFO L225 Difference]: With dead ends: 195 [2018-04-05 15:37:17,565 INFO L226 Difference]: Without dead ends: 164 [2018-04-05 15:37:17,566 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 73 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=45, Invalid=125, Unknown=6, NotChecked=130, Total=306 [2018-04-05 15:37:17,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2018-04-05 15:37:17,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 89. [2018-04-05 15:37:17,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-04-05 15:37:17,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 95 transitions. [2018-04-05 15:37:17,598 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 95 transitions. Word has length 42 [2018-04-05 15:37:17,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:37:17,598 INFO L459 AbstractCegarLoop]: Abstraction has 89 states and 95 transitions. [2018-04-05 15:37:17,598 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-05 15:37:17,598 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 95 transitions. [2018-04-05 15:37:17,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-04-05 15:37:17,606 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:37:17,606 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 15:37:17,606 INFO L408 AbstractCegarLoop]: === Iteration 13 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-04-05 15:37:17,606 INFO L82 PathProgramCache]: Analyzing trace with hash 298402611, 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 [2018-04-05 15:37:17,633 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:37:17,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:37:17,687 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:37:17,776 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:37:17,776 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:37:17,853 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:37:17,916 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 15:37:17,917 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-05 15:37:17,917 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-05 15:37:17,917 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-05 15:37:17,917 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-05 15:37:17,918 INFO L87 Difference]: Start difference. First operand 89 states and 95 transitions. Second operand 3 states. [2018-04-05 15:37:18,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:37:18,020 INFO L93 Difference]: Finished difference Result 133 states and 141 transitions. [2018-04-05 15:37:18,021 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-05 15:37:18,021 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2018-04-05 15:37:18,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:37:18,022 INFO L225 Difference]: With dead ends: 133 [2018-04-05 15:37:18,022 INFO L226 Difference]: Without dead ends: 80 [2018-04-05 15:37:18,023 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-05 15:37:18,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-04-05 15:37:18,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2018-04-05 15:37:18,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-04-05 15:37:18,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 83 transitions. [2018-04-05 15:37:18,095 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 83 transitions. Word has length 55 [2018-04-05 15:37:18,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:37:18,095 INFO L459 AbstractCegarLoop]: Abstraction has 80 states and 83 transitions. [2018-04-05 15:37:18,095 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-05 15:37:18,095 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 83 transitions. [2018-04-05 15:37:18,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-04-05 15:37:18,096 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:37:18,096 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 15:37:18,096 INFO L408 AbstractCegarLoop]: === Iteration 14 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-04-05 15:37:18,097 INFO L82 PathProgramCache]: Analyzing trace with hash 413922679, 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 [2018-04-05 15:37:18,117 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:37:18,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:37:18,195 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:37:18,286 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:37:18,286 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:37:18,338 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:37:18,411 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 15:37:18,411 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-05 15:37:18,412 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-05 15:37:18,412 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-05 15:37:18,412 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-05 15:37:18,412 INFO L87 Difference]: Start difference. First operand 80 states and 83 transitions. Second operand 3 states. [2018-04-05 15:37:18,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:37:18,461 INFO L93 Difference]: Finished difference Result 124 states and 128 transitions. [2018-04-05 15:37:18,462 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-05 15:37:18,462 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2018-04-05 15:37:18,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:37:18,463 INFO L225 Difference]: With dead ends: 124 [2018-04-05 15:37:18,463 INFO L226 Difference]: Without dead ends: 80 [2018-04-05 15:37:18,463 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-05 15:37:18,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-04-05 15:37:18,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2018-04-05 15:37:18,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-04-05 15:37:18,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 82 transitions. [2018-04-05 15:37:18,491 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 82 transitions. Word has length 58 [2018-04-05 15:37:18,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:37:18,491 INFO L459 AbstractCegarLoop]: Abstraction has 80 states and 82 transitions. [2018-04-05 15:37:18,491 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-05 15:37:18,491 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 82 transitions. [2018-04-05 15:37:18,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-04-05 15:37:18,493 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:37:18,493 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 15:37:18,493 INFO L408 AbstractCegarLoop]: === Iteration 15 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-04-05 15:37:18,494 INFO L82 PathProgramCache]: Analyzing trace with hash -1758557326, 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 [2018-04-05 15:37:18,514 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:37:18,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:37:18,580 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:37:18,709 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-04-05 15:37:18,709 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:37:18,753 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-04-05 15:37:18,790 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 15:37:18,790 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2018-04-05 15:37:18,790 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-05 15:37:18,790 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-05 15:37:18,791 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-05 15:37:18,791 INFO L87 Difference]: Start difference. First operand 80 states and 82 transitions. Second operand 6 states. [2018-04-05 15:37:19,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:37:19,144 INFO L93 Difference]: Finished difference Result 80 states and 82 transitions. [2018-04-05 15:37:19,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-05 15:37:19,145 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2018-04-05 15:37:19,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:37:19,146 INFO L225 Difference]: With dead ends: 80 [2018-04-05 15:37:19,146 INFO L226 Difference]: Without dead ends: 78 [2018-04-05 15:37:19,146 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-04-05 15:37:19,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-04-05 15:37:19,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2018-04-05 15:37:19,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-04-05 15:37:19,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 80 transitions. [2018-04-05 15:37:19,154 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 80 transitions. Word has length 60 [2018-04-05 15:37:19,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:37:19,154 INFO L459 AbstractCegarLoop]: Abstraction has 78 states and 80 transitions. [2018-04-05 15:37:19,154 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-05 15:37:19,154 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 80 transitions. [2018-04-05 15:37:19,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-04-05 15:37:19,155 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:37:19,155 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 15:37:19,155 INFO L408 AbstractCegarLoop]: === Iteration 16 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-04-05 15:37:19,160 INFO L82 PathProgramCache]: Analyzing trace with hash -1758557325, 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 [2018-04-05 15:37:19,188 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:37:19,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:37:19,243 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:37:19,270 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 [2018-04-05 15:37:19,271 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 15:37:19,293 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:37:19,293 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-05 15:37:19,390 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 15:37:19,396 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 15:37:19,397 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 [2018-04-05 15:37:19,398 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 15:37:19,415 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:37:19,416 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:8 [2018-04-05 15:37:19,555 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 [2018-04-05 15:37:19,569 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 [2018-04-05 15:37:19,570 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 15:37:19,578 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:37:19,615 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. [2018-04-05 15:37:19,648 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:25 [2018-04-05 15:37:19,879 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 [2018-04-05 15:37:19,894 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 [2018-04-05 15:37:19,895 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 15:37:19,939 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:37:19,984 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. [2018-04-05 15:37:19,984 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:39, output treesize:35 [2018-04-05 15:37:20,561 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 26 [2018-04-05 15:37:20,676 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 [2018-04-05 15:37:20,677 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-05 15:37:20,779 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-04-05 15:37:20,780 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-05 15:37:20,804 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-05 15:37:20,874 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-05 15:37:20,874 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:48, output treesize:33 [2018-04-05 15:37:21,080 WARN L151 SmtUtils]: Spent 137ms on a formula simplification. DAG size of input: 17 DAG size of output 17 [2018-04-05 15:37:21,659 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:37:21,659 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:37:22,816 WARN L151 SmtUtils]: Spent 101ms on a formula simplification. DAG size of input: 20 DAG size of output 15 [2018-04-05 15:37:23,493 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 [2018-04-05 15:37:23,493 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 15:37:23,588 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2018-04-05 15:37:23,739 WARN L151 SmtUtils]: Spent 150ms on a formula simplification. DAG size of input: 14 DAG size of output 12 [2018-04-05 15:37:23,744 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-04-05 15:37:23,745 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-05 15:37:23,755 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:37:23,832 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:37:23,832 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:35, output treesize:7 [2018-04-05 15:37:24,255 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:37:24,328 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-05 15:37:24,328 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12] total 26 [2018-04-05 15:37:24,329 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-04-05 15:37:24,329 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-04-05 15:37:24,330 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=615, Unknown=0, NotChecked=0, Total=702 [2018-04-05 15:37:24,330 INFO L87 Difference]: Start difference. First operand 78 states and 80 transitions. Second operand 27 states. [2018-04-05 15:37:26,763 WARN L151 SmtUtils]: Spent 159ms on a formula simplification. DAG size of input: 57 DAG size of output 49 [2018-04-05 15:37:27,143 WARN L151 SmtUtils]: Spent 281ms on a formula simplification. DAG size of input: 60 DAG size of output 53 [2018-04-05 15:37:27,586 WARN L151 SmtUtils]: Spent 143ms on a formula simplification. DAG size of input: 56 DAG size of output 52 [2018-04-05 15:37:28,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:37:28,632 INFO L93 Difference]: Finished difference Result 134 states and 136 transitions. [2018-04-05 15:37:28,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-04-05 15:37:28,632 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 60 [2018-04-05 15:37:28,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:37:28,633 INFO L225 Difference]: With dead ends: 134 [2018-04-05 15:37:28,634 INFO L226 Difference]: Without dead ends: 132 [2018-04-05 15:37:28,634 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 92 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=252, Invalid=1388, Unknown=0, NotChecked=0, Total=1640 [2018-04-05 15:37:28,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-04-05 15:37:28,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 109. [2018-04-05 15:37:28,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-04-05 15:37:28,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 112 transitions. [2018-04-05 15:37:28,667 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 112 transitions. Word has length 60 [2018-04-05 15:37:28,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:37:28,668 INFO L459 AbstractCegarLoop]: Abstraction has 109 states and 112 transitions. [2018-04-05 15:37:28,668 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-04-05 15:37:28,668 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 112 transitions. [2018-04-05 15:37:28,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-04-05 15:37:28,668 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:37:28,669 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 15:37:28,669 INFO L408 AbstractCegarLoop]: === Iteration 17 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-04-05 15:37:28,669 INFO L82 PathProgramCache]: Analyzing trace with hash 1319297789, 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 [2018-04-05 15:37:28,705 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:37:28,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:37:28,736 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:37:28,856 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-04-05 15:37:28,856 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:37:28,890 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-04-05 15:37:28,929 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 15:37:28,929 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2018-04-05 15:37:28,930 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-05 15:37:28,930 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-05 15:37:28,930 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-05 15:37:28,931 INFO L87 Difference]: Start difference. First operand 109 states and 112 transitions. Second operand 6 states. [2018-04-05 15:37:29,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:37:29,291 INFO L93 Difference]: Finished difference Result 109 states and 112 transitions. [2018-04-05 15:37:29,303 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-05 15:37:29,303 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2018-04-05 15:37:29,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:37:29,304 INFO L225 Difference]: With dead ends: 109 [2018-04-05 15:37:29,305 INFO L226 Difference]: Without dead ends: 107 [2018-04-05 15:37:29,305 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-04-05 15:37:29,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2018-04-05 15:37:29,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2018-04-05 15:37:29,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2018-04-05 15:37:29,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 110 transitions. [2018-04-05 15:37:29,328 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 110 transitions. Word has length 61 [2018-04-05 15:37:29,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:37:29,338 INFO L459 AbstractCegarLoop]: Abstraction has 107 states and 110 transitions. [2018-04-05 15:37:29,338 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-05 15:37:29,338 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 110 transitions. [2018-04-05 15:37:29,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-04-05 15:37:29,339 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:37:29,339 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 15:37:29,339 INFO L408 AbstractCegarLoop]: === Iteration 18 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-04-05 15:37:29,339 INFO L82 PathProgramCache]: Analyzing trace with hash 1319297790, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 15:37:29,354 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:37:29,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:37:29,411 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:37:29,528 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 [2018-04-05 15:37:29,531 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 [2018-04-05 15:37:29,531 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 15:37:29,538 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:37:29,574 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. [2018-04-05 15:37:29,574 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:28, output treesize:24 [2018-04-05 15:37:30,352 WARN L148 SmtUtils]: Spent 116ms on a formula simplification that was a NOOP. DAG size: 31 [2018-04-05 15:37:30,589 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 29 treesize of output 29 [2018-04-05 15:37:30,723 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 23 [2018-04-05 15:37:30,724 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-05 15:37:30,806 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 25 treesize of output 18 [2018-04-05 15:37:30,807 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-05 15:37:30,920 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 16 [2018-04-05 15:37:30,921 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-05 15:37:31,013 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-05 15:37:31,111 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-05 15:37:31,111 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:42, output treesize:33 [2018-04-05 15:37:31,306 WARN L151 SmtUtils]: Spent 130ms on a formula simplification. DAG size of input: 17 DAG size of output 17 [2018-04-05 15:37:31,804 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:37:31,804 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:37:33,142 WARN L148 SmtUtils]: Spent 134ms on a formula simplification that was a NOOP. DAG size: 24 [2018-04-05 15:37:34,679 WARN L151 SmtUtils]: Spent 394ms on a formula simplification. DAG size of input: 65 DAG size of output 53 [2018-04-05 15:37:34,687 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 47 treesize of output 43 [2018-04-05 15:37:34,687 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 15:37:34,691 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 43 treesize of output 39 [2018-04-05 15:37:34,692 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 15:37:34,932 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 41 treesize of output 39 [2018-04-05 15:37:34,932 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-05 15:37:34,942 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 45 treesize of output 43 [2018-04-05 15:37:34,942 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-05 15:37:35,181 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 28 [2018-04-05 15:37:35,300 WARN L151 SmtUtils]: Spent 118ms on a formula simplification. DAG size of input: 23 DAG size of output 21 [2018-04-05 15:37:35,306 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 17 treesize of output 9 [2018-04-05 15:37:35,307 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-05 15:37:35,346 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 [2018-04-05 15:37:35,347 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-05 15:37:35,442 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:37:35,554 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 38 treesize of output 40 [2018-04-05 15:37:36,321 WARN L151 SmtUtils]: Spent 764ms on a formula simplification. DAG size of input: 37 DAG size of output 33 [2018-04-05 15:37:36,364 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 32 treesize of output 24 [2018-04-05 15:37:36,365 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-05 15:37:36,544 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 22 [2018-04-05 15:37:36,545 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-05 15:37:36,677 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2018-04-05 15:37:36,677 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-05 15:37:36,738 INFO L267 ElimStorePlain]: Start of recursive call 9: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:37:36,960 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 36 treesize of output 38 [2018-04-05 15:37:37,300 WARN L151 SmtUtils]: Spent 338ms on a formula simplification. DAG size of input: 36 DAG size of output 32 [2018-04-05 15:37:37,303 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 22 [2018-04-05 15:37:37,304 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-04-05 15:37:37,427 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2018-04-05 15:37:37,428 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-04-05 15:37:37,548 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2018-04-05 15:37:37,548 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-04-05 15:37:37,619 INFO L267 ElimStorePlain]: Start of recursive call 13: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:37:37,631 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 26 [2018-04-05 15:37:37,769 WARN L151 SmtUtils]: Spent 136ms on a formula simplification. DAG size of input: 22 DAG size of output 20 [2018-04-05 15:37:37,773 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 12 treesize of output 3 [2018-04-05 15:37:37,774 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-04-05 15:37:37,831 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 [2018-04-05 15:37:37,831 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-04-05 15:37:37,863 INFO L267 ElimStorePlain]: Start of recursive call 17: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:37:38,034 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-1 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-05 15:37:38,035 INFO L202 ElimStorePlain]: Needed 19 recursive calls to eliminate 10 variables, input treesize:125, output treesize:17 [2018-04-05 15:37:38,484 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:37:38,520 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-05 15:37:38,520 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2018-04-05 15:37:38,521 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-04-05 15:37:38,521 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-04-05 15:37:38,522 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=813, Unknown=0, NotChecked=0, Total=930 [2018-04-05 15:37:38,522 INFO L87 Difference]: Start difference. First operand 107 states and 110 transitions. Second operand 31 states. [2018-04-05 15:37:39,243 WARN L151 SmtUtils]: Spent 142ms on a formula simplification. DAG size of input: 14 DAG size of output 13 [2018-04-05 15:37:41,012 WARN L151 SmtUtils]: Spent 365ms on a formula simplification. DAG size of input: 48 DAG size of output 48 [2018-04-05 15:37:41,362 WARN L151 SmtUtils]: Spent 212ms on a formula simplification. DAG size of input: 48 DAG size of output 44 [2018-04-05 15:37:41,875 WARN L151 SmtUtils]: Spent 429ms on a formula simplification. DAG size of input: 46 DAG size of output 42 [2018-04-05 15:37:42,482 WARN L151 SmtUtils]: Spent 217ms on a formula simplification. DAG size of input: 48 DAG size of output 46 [2018-04-05 15:37:42,917 WARN L151 SmtUtils]: Spent 318ms on a formula simplification. DAG size of input: 51 DAG size of output 48 [2018-04-05 15:37:43,976 WARN L151 SmtUtils]: Spent 179ms on a formula simplification. DAG size of input: 41 DAG size of output 38 [2018-04-05 15:37:45,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:37:45,407 INFO L93 Difference]: Finished difference Result 135 states and 137 transitions. [2018-04-05 15:37:45,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-04-05 15:37:45,408 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 61 [2018-04-05 15:37:45,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:37:45,409 INFO L225 Difference]: With dead ends: 135 [2018-04-05 15:37:45,409 INFO L226 Difference]: Without dead ends: 124 [2018-04-05 15:37:45,410 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 91 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 585 ImplicationChecksByTransitivity, 8.8s TimeCoverageRelationStatistics Valid=422, Invalid=2334, Unknown=0, NotChecked=0, Total=2756 [2018-04-05 15:37:45,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-04-05 15:37:45,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 102. [2018-04-05 15:37:45,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-04-05 15:37:45,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 104 transitions. [2018-04-05 15:37:45,437 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 104 transitions. Word has length 61 [2018-04-05 15:37:45,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:37:45,438 INFO L459 AbstractCegarLoop]: Abstraction has 102 states and 104 transitions. [2018-04-05 15:37:45,460 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-04-05 15:37:45,460 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 104 transitions. [2018-04-05 15:37:45,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-04-05 15:37:45,461 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:37:45,462 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 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, 1, 1, 1] [2018-04-05 15:37:45,462 INFO L408 AbstractCegarLoop]: === Iteration 19 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-04-05 15:37:45,462 INFO L82 PathProgramCache]: Analyzing trace with hash 448922090, 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 [2018-04-05 15:37:45,481 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:37:45,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:37:45,549 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:37:45,563 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 [2018-04-05 15:37:45,564 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 15:37:45,601 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 [2018-04-05 15:37:45,602 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 15:37:45,628 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:37:45,628 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-04-05 15:37:45,725 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 15:37:45,733 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 15:37:45,734 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 [2018-04-05 15:37:45,734 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 15:37:45,782 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 [2018-04-05 15:37:45,782 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 15:37:45,819 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:37:45,820 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2018-04-05 15:37:46,002 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 [2018-04-05 15:37:46,005 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 [2018-04-05 15:37:46,006 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 15:37:46,011 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:37:46,040 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:37:46,059 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:25, output treesize:21 [2018-04-05 15:37:46,162 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 [2018-04-05 15:37:46,166 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 [2018-04-05 15:37:46,167 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 15:37:46,202 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:37:46,237 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. [2018-04-05 15:37:46,237 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:32, output treesize:28 [2018-04-05 15:37:47,546 WARN L148 SmtUtils]: Spent 107ms on a formula simplification that was a NOOP. DAG size: 27 [2018-04-05 15:37:47,594 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2018-04-05 15:37:47,701 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 [2018-04-05 15:37:47,702 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-05 15:37:47,826 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 1 [2018-04-05 15:37:47,826 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-05 15:37:47,886 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-05 15:37:47,993 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-05 15:37:47,994 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:45, output treesize:34 [2018-04-05 15:37:48,862 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:37:48,862 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:37:51,562 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 [2018-04-05 15:37:51,636 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 [2018-04-05 15:37:51,636 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 15:37:51,643 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:37:51,681 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-05 15:37:51,681 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:33, output treesize:35 [2018-04-05 15:37:52,073 WARN L151 SmtUtils]: Spent 142ms on a formula simplification. DAG size of input: 18 DAG size of output 16 [2018-04-05 15:37:53,102 WARN L148 SmtUtils]: Spent 649ms on a formula simplification that was a NOOP. DAG size: 34 [2018-04-05 15:37:54,009 WARN L148 SmtUtils]: Spent 593ms on a formula simplification that was a NOOP. DAG size: 34 [2018-04-05 15:37:54,073 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:37:54,109 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-05 15:37:54,110 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16] total 33 [2018-04-05 15:37:54,110 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-04-05 15:37:54,110 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-04-05 15:37:54,111 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=1011, Unknown=0, NotChecked=0, Total=1122 [2018-04-05 15:37:54,111 INFO L87 Difference]: Start difference. First operand 102 states and 104 transitions. Second operand 34 states. [2018-04-05 15:37:55,315 WARN L148 SmtUtils]: Spent 119ms on a formula simplification that was a NOOP. DAG size: 37 [2018-04-05 15:37:55,677 WARN L148 SmtUtils]: Spent 161ms on a formula simplification that was a NOOP. DAG size: 44 [2018-04-05 15:37:56,518 WARN L151 SmtUtils]: Spent 171ms on a formula simplification. DAG size of input: 45 DAG size of output 33 [2018-04-05 15:37:57,044 WARN L151 SmtUtils]: Spent 211ms on a formula simplification. DAG size of input: 49 DAG size of output 39 [2018-04-05 15:37:57,628 WARN L151 SmtUtils]: Spent 308ms on a formula simplification. DAG size of input: 52 DAG size of output 41 [2018-04-05 15:37:57,946 WARN L151 SmtUtils]: Spent 159ms on a formula simplification. DAG size of input: 41 DAG size of output 33 [2018-04-05 15:37:58,290 WARN L151 SmtUtils]: Spent 177ms on a formula simplification. DAG size of input: 57 DAG size of output 43 [2018-04-05 15:37:58,684 WARN L151 SmtUtils]: Spent 208ms on a formula simplification. DAG size of input: 54 DAG size of output 44 [2018-04-05 15:38:01,025 WARN L151 SmtUtils]: Spent 163ms on a formula simplification. DAG size of input: 37 DAG size of output 33 [2018-04-05 15:38:01,997 WARN L151 SmtUtils]: Spent 427ms on a formula simplification. DAG size of input: 44 DAG size of output 40 [2018-04-05 15:38:02,803 WARN L151 SmtUtils]: Spent 575ms on a formula simplification. DAG size of input: 47 DAG size of output 42 [2018-04-05 15:38:07,034 WARN L148 SmtUtils]: Spent 4077ms on a formula simplification that was a NOOP. DAG size: 39 [2018-04-05 15:38:07,451 WARN L151 SmtUtils]: Spent 238ms on a formula simplification. DAG size of input: 56 DAG size of output 47 [2018-04-05 15:38:07,890 WARN L151 SmtUtils]: Spent 274ms on a formula simplification. DAG size of input: 59 DAG size of output 46 [2018-04-05 15:38:08,174 WARN L151 SmtUtils]: Spent 162ms on a formula simplification. DAG size of input: 42 DAG size of output 34 [2018-04-05 15:38:08,889 WARN L151 SmtUtils]: Spent 214ms on a formula simplification. DAG size of input: 49 DAG size of output 39 [2018-04-05 15:38:09,372 WARN L151 SmtUtils]: Spent 324ms on a formula simplification. DAG size of input: 52 DAG size of output 43 [2018-04-05 15:38:09,717 WARN L151 SmtUtils]: Spent 146ms on a formula simplification. DAG size of input: 44 DAG size of output 36 [2018-04-05 15:38:10,424 WARN L151 SmtUtils]: Spent 545ms on a formula simplification. DAG size of input: 61 DAG size of output 48 [2018-04-05 15:38:10,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:38:10,475 INFO L93 Difference]: Finished difference Result 117 states and 119 transitions. [2018-04-05 15:38:10,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-04-05 15:38:10,476 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 86 [2018-04-05 15:38:10,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:38:10,477 INFO L225 Difference]: With dead ends: 117 [2018-04-05 15:38:10,477 INFO L226 Difference]: Without dead ends: 115 [2018-04-05 15:38:10,478 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 138 SyntacticMatches, 1 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 386 ImplicationChecksByTransitivity, 21.0s TimeCoverageRelationStatistics Valid=554, Invalid=2637, Unknown=1, NotChecked=0, Total=3192 [2018-04-05 15:38:10,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-04-05 15:38:10,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 100. [2018-04-05 15:38:10,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-04-05 15:38:10,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 102 transitions. [2018-04-05 15:38:10,496 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 102 transitions. Word has length 86 [2018-04-05 15:38:10,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:38:10,497 INFO L459 AbstractCegarLoop]: Abstraction has 100 states and 102 transitions. [2018-04-05 15:38:10,497 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-04-05 15:38:10,497 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 102 transitions. [2018-04-05 15:38:10,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-04-05 15:38:10,500 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:38:10,501 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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, 1, 1, 1] [2018-04-05 15:38:10,501 INFO L408 AbstractCegarLoop]: === Iteration 20 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-04-05 15:38:10,501 INFO L82 PathProgramCache]: Analyzing trace with hash 1031682919, now seen corresponding path program 2 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 15:38:10,522 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:38:10,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:38:10,597 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:38:10,612 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 [2018-04-05 15:38:10,612 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 15:38:10,634 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:38:10,634 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-05 15:38:10,723 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 [2018-04-05 15:38:10,727 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 [2018-04-05 15:38:10,728 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 15:38:10,739 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:38:10,745 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:38:10,745 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:15, output treesize:11 [2018-04-05 15:38:11,503 WARN L148 SmtUtils]: Spent 102ms on a formula simplification that was a NOOP. DAG size: 28 [2018-04-05 15:38:11,683 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 30 treesize of output 30 [2018-04-05 15:38:11,794 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 25 [2018-04-05 15:38:11,795 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-05 15:38:11,889 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 26 treesize of output 19 [2018-04-05 15:38:11,890 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-05 15:38:11,991 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 19 treesize of output 17 [2018-04-05 15:38:11,992 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-05 15:38:12,083 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-05 15:38:12,245 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-05 15:38:12,246 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:40, output treesize:34 [2018-04-05 15:38:13,058 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 16 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:38:13,058 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:38:15,010 WARN L148 SmtUtils]: Spent 105ms on a formula simplification that was a NOOP. DAG size: 27 [2018-04-05 15:38:16,802 WARN L151 SmtUtils]: Spent 224ms on a formula simplification. DAG size of input: 39 DAG size of output 33 [2018-04-05 15:38:16,859 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 [2018-04-05 15:38:17,227 WARN L151 SmtUtils]: Spent 366ms on a formula simplification. DAG size of input: 35 DAG size of output 31 [2018-04-05 15:38:17,257 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 [2018-04-05 15:38:17,258 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 15:38:17,341 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 16 treesize of output 14 [2018-04-05 15:38:17,342 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-05 15:38:17,446 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 [2018-04-05 15:38:17,447 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-05 15:38:17,478 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:38:17,539 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-05 15:38:17,539 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:65, output treesize:35 [2018-04-05 15:38:17,914 WARN L151 SmtUtils]: Spent 128ms on a formula simplification. DAG size of input: 18 DAG size of output 16 [2018-04-05 15:38:18,212 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:38:18,250 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-05 15:38:18,250 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 35 [2018-04-05 15:38:18,250 INFO L442 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-04-05 15:38:18,251 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-04-05 15:38:18,251 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=1113, Unknown=0, NotChecked=0, Total=1260 [2018-04-05 15:38:18,251 INFO L87 Difference]: Start difference. First operand 100 states and 102 transitions. Second operand 36 states. [2018-04-05 15:38:21,268 WARN L148 SmtUtils]: Spent 120ms on a formula simplification that was a NOOP. DAG size: 38 [2018-04-05 15:38:21,603 WARN L151 SmtUtils]: Spent 197ms on a formula simplification. DAG size of input: 38 DAG size of output 33 [2018-04-05 15:38:21,874 WARN L151 SmtUtils]: Spent 160ms on a formula simplification. DAG size of input: 36 DAG size of output 31 [2018-04-05 15:38:22,546 WARN L151 SmtUtils]: Spent 181ms on a formula simplification. DAG size of input: 35 DAG size of output 33 [2018-04-05 15:38:22,972 WARN L151 SmtUtils]: Spent 261ms on a formula simplification. DAG size of input: 38 DAG size of output 35 [2018-04-05 15:38:23,601 WARN L151 SmtUtils]: Spent 152ms on a formula simplification. DAG size of input: 37 DAG size of output 36 [2018-04-05 15:38:23,992 WARN L151 SmtUtils]: Spent 217ms on a formula simplification. DAG size of input: 38 DAG size of output 36 [2018-04-05 15:38:24,540 WARN L151 SmtUtils]: Spent 213ms on a formula simplification. DAG size of input: 40 DAG size of output 34 [2018-04-05 15:38:24,954 WARN L151 SmtUtils]: Spent 141ms on a formula simplification. DAG size of input: 31 DAG size of output 29 [2018-04-05 15:38:25,305 WARN L151 SmtUtils]: Spent 121ms on a formula simplification. DAG size of input: 36 DAG size of output 32 [2018-04-05 15:38:25,765 WARN L151 SmtUtils]: Spent 292ms on a formula simplification. DAG size of input: 43 DAG size of output 39 [2018-04-05 15:38:26,135 WARN L151 SmtUtils]: Spent 210ms on a formula simplification. DAG size of input: 43 DAG size of output 34 [2018-04-05 15:38:26,515 WARN L151 SmtUtils]: Spent 188ms on a formula simplification. DAG size of input: 41 DAG size of output 32 [2018-04-05 15:38:26,762 WARN L151 SmtUtils]: Spent 132ms on a formula simplification. DAG size of input: 35 DAG size of output 31 [2018-04-05 15:38:26,985 WARN L151 SmtUtils]: Spent 110ms on a formula simplification. DAG size of input: 33 DAG size of output 29 [2018-04-05 15:38:27,339 WARN L151 SmtUtils]: Spent 205ms on a formula simplification. DAG size of input: 40 DAG size of output 34 [2018-04-05 15:38:27,760 WARN L151 SmtUtils]: Spent 270ms on a formula simplification. DAG size of input: 43 DAG size of output 36 [2018-04-05 15:38:28,083 WARN L151 SmtUtils]: Spent 131ms on a formula simplification. DAG size of input: 35 DAG size of output 31 [2018-04-05 15:38:28,328 WARN L151 SmtUtils]: Spent 101ms on a formula simplification. DAG size of input: 29 DAG size of output 25 [2018-04-05 15:38:28,662 WARN L151 SmtUtils]: Spent 213ms on a formula simplification. DAG size of input: 42 DAG size of output 39 [2018-04-05 15:38:28,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:38:28,722 INFO L93 Difference]: Finished difference Result 118 states and 120 transitions. [2018-04-05 15:38:28,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-04-05 15:38:28,723 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 87 [2018-04-05 15:38:28,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:38:28,723 INFO L225 Difference]: With dead ends: 118 [2018-04-05 15:38:28,724 INFO L226 Difference]: Without dead ends: 0 [2018-04-05 15:38:28,726 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 757 ImplicationChecksByTransitivity, 13.5s TimeCoverageRelationStatistics Valid=901, Invalid=3929, Unknown=0, NotChecked=0, Total=4830 [2018-04-05 15:38:28,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-05 15:38:28,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-05 15:38:28,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-05 15:38:28,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-05 15:38:28,744 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 87 [2018-04-05 15:38:28,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:38:28,744 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-05 15:38:28,744 INFO L460 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-04-05 15:38:28,744 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-05 15:38:28,745 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-05 15:38:28,763 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-04-05 15:38:29,257 WARN L151 SmtUtils]: Spent 485ms on a formula simplification. DAG size of input: 175 DAG size of output 173 [2018-04-05 15:38:35,140 WARN L151 SmtUtils]: Spent 5787ms on a formula simplification. DAG size of input: 212 DAG size of output 96 [2018-04-05 15:38:35,349 WARN L151 SmtUtils]: Spent 202ms on a formula simplification. DAG size of input: 123 DAG size of output 3 [2018-04-05 15:38:35,644 WARN L151 SmtUtils]: Spent 293ms on a formula simplification. DAG size of input: 158 DAG size of output 1 [2018-04-05 15:38:36,555 WARN L151 SmtUtils]: Spent 910ms on a formula simplification. DAG size of input: 153 DAG size of output 69 [2018-04-05 15:38:36,573 INFO L416 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-04-05 15:38:36,573 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-04-05 15:38:36,573 INFO L412 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-04-05 15:38:36,573 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-04-05 15:38:36,574 INFO L419 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-04-05 15:38:36,574 INFO L419 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-04-05 15:38:36,574 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-04-05 15:38:36,574 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-04-05 15:38:36,574 INFO L416 ceAbstractionStarter]: For program point mainErr1RequiresViolation(line 566) no Hoare annotation was computed. [2018-04-05 15:38:36,574 INFO L416 ceAbstractionStarter]: For program point L565'''(line 565) no Hoare annotation was computed. [2018-04-05 15:38:36,574 INFO L416 ceAbstractionStarter]: For program point L561'(lines 561 563) no Hoare annotation was computed. [2018-04-05 15:38:36,574 INFO L416 ceAbstractionStarter]: For program point L564(line 564) no Hoare annotation was computed. [2018-04-05 15:38:36,574 INFO L416 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-04-05 15:38:36,575 INFO L412 ceAbstractionStarter]: At program point L568(line 568) the Hoare annotation is: (let ((.cse1 (select |#length| main_~nondetString1~0.base)) (.cse2 (select |#length| main_~nondetString2~0.base)) (.cse0 (store |old(#valid)| |main_#t~malloc15.base| 1))) (and (= main_~nondetString2~0.offset 0) (= 0 main_~nondetString1~0.offset) (= 0 (select .cse0 |main_#t~malloc16.base|)) (= (select |old(#valid)| |main_#t~malloc15.base|) 0) (not (= main_~nondetString2~0.base main_~nondetString1~0.base)) (= 0 |main_#t~malloc16.offset|) (= .cse1 main_~length1~0) (= (select |#length| |main_#t~malloc15.base|) main_~length1~0) (= |main_#t~malloc15.offset| 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)))) (= (select |#length| |main_#t~malloc16.base|) main_~length2~0) (= 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)))) (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) (= (store .cse0 |main_#t~malloc16.base| 1) |#valid|) (= 1 (select |#valid| main_~nondetString2~0.base)) (not (= |main_#t~malloc16.base| main_~nondetString1~0.base)))) [2018-04-05 15:38:36,575 INFO L416 ceAbstractionStarter]: For program point L567(line 567) no Hoare annotation was computed. [2018-04-05 15:38:36,575 INFO L416 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-04-05 15:38:36,575 INFO L416 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-04-05 15:38:36,575 INFO L416 ceAbstractionStarter]: For program point mainErr0RequiresViolation(line 566) no Hoare annotation was computed. [2018-04-05 15:38:36,575 INFO L416 ceAbstractionStarter]: For program point mainErr2RequiresViolation(line 567) no Hoare annotation was computed. [2018-04-05 15:38:36,576 INFO L416 ceAbstractionStarter]: For program point L558''(lines 555 569) no Hoare annotation was computed. [2018-04-05 15:38:36,576 INFO L416 ceAbstractionStarter]: For program point L566'(line 566) no Hoare annotation was computed. [2018-04-05 15:38:36,576 INFO L416 ceAbstractionStarter]: For program point L556'(line 556) no Hoare annotation was computed. [2018-04-05 15:38:36,576 INFO L416 ceAbstractionStarter]: For program point L568'(line 568) no Hoare annotation was computed. [2018-04-05 15:38:36,576 INFO L416 ceAbstractionStarter]: For program point L557''(line 557) no Hoare annotation was computed. [2018-04-05 15:38:36,576 INFO L416 ceAbstractionStarter]: For program point L568'''(line 568) no Hoare annotation was computed. [2018-04-05 15:38:36,576 INFO L416 ceAbstractionStarter]: For program point mainErr3RequiresViolation(line 567) no Hoare annotation was computed. [2018-04-05 15:38:36,576 INFO L416 ceAbstractionStarter]: For program point L564'(line 564) no Hoare annotation was computed. [2018-04-05 15:38:36,576 INFO L416 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-04-05 15:38:36,576 INFO L416 ceAbstractionStarter]: For program point mainFINAL(lines 555 569) no Hoare annotation was computed. [2018-04-05 15:38:36,577 INFO L416 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-04-05 15:38:36,582 INFO L416 ceAbstractionStarter]: For program point mainErr4EnsuresViolationMEMORY_LEAK(lines 555 569) no Hoare annotation was computed. [2018-04-05 15:38:36,582 INFO L416 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-04-05 15:38:36,582 INFO L416 ceAbstractionStarter]: For program point L558(lines 558 560) no Hoare annotation was computed. [2018-04-05 15:38:36,582 INFO L416 ceAbstractionStarter]: For program point mainEXIT(lines 555 569) no Hoare annotation was computed. [2018-04-05 15:38:36,583 INFO L412 ceAbstractionStarter]: At program point mainENTRY(lines 555 569) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-04-05 15:38:36,583 INFO L416 ceAbstractionStarter]: For program point L564''(line 564) no Hoare annotation was computed. [2018-04-05 15:38:36,583 INFO L416 ceAbstractionStarter]: For program point L565'(line 565) no Hoare annotation was computed. [2018-04-05 15:38:36,583 INFO L416 ceAbstractionStarter]: For program point L557'(line 557) no Hoare annotation was computed. [2018-04-05 15:38:36,583 INFO L416 ceAbstractionStarter]: For program point L568''''(line 568) no Hoare annotation was computed. [2018-04-05 15:38:36,583 INFO L416 ceAbstractionStarter]: For program point L565''(line 565) no Hoare annotation was computed. [2018-04-05 15:38:36,583 INFO L416 ceAbstractionStarter]: For program point L568''(line 568) no Hoare annotation was computed. [2018-04-05 15:38:36,583 INFO L416 ceAbstractionStarter]: For program point L546''''''(line 546) no Hoare annotation was computed. [2018-04-05 15:38:36,583 INFO L416 ceAbstractionStarter]: For program point cstrncmpErr1RequiresViolation(line 545) no Hoare annotation was computed. [2018-04-05 15:38:36,583 INFO L416 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-04-05 15:38:36,584 INFO L416 ceAbstractionStarter]: For program point L545''''''''''''''''(line 545) no Hoare annotation was computed. [2018-04-05 15:38:36,584 INFO L416 ceAbstractionStarter]: For program point L540(lines 540 554) no Hoare annotation was computed. [2018-04-05 15:38:36,584 INFO L416 ceAbstractionStarter]: For program point L553'(line 553) no Hoare annotation was computed. [2018-04-05 15:38:36,584 INFO L416 ceAbstractionStarter]: For program point L546(line 546) no Hoare annotation was computed. [2018-04-05 15:38:36,584 INFO L416 ceAbstractionStarter]: For program point L545(lines 545 550) no Hoare annotation was computed. [2018-04-05 15:38:36,584 INFO L416 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-04-05 15:38:36,584 INFO L416 ceAbstractionStarter]: For program point L543(lines 543 544) no Hoare annotation was computed. [2018-04-05 15:38:36,584 INFO L416 ceAbstractionStarter]: For program point L546'''''(lines 546 547) no Hoare annotation was computed. [2018-04-05 15:38:36,585 INFO L416 ceAbstractionStarter]: For program point L549(line 549) no Hoare annotation was computed. [2018-04-05 15:38:36,585 INFO L416 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-04-05 15:38:36,585 INFO L416 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-04-05 15:38:36,585 INFO L416 ceAbstractionStarter]: For program point L552''(line 552) no Hoare annotation was computed. [2018-04-05 15:38:36,585 INFO L416 ceAbstractionStarter]: For program point cstrncmpErr0RequiresViolation(line 545) no Hoare annotation was computed. [2018-04-05 15:38:36,585 INFO L416 ceAbstractionStarter]: For program point L545'''''''''''''''''(line 545) no Hoare annotation was computed. [2018-04-05 15:38:36,585 INFO L416 ceAbstractionStarter]: For program point L546'(line 546) no Hoare annotation was computed. [2018-04-05 15:38:36,585 INFO L416 ceAbstractionStarter]: For program point L545'''''(line 545) no Hoare annotation was computed. [2018-04-05 15:38:36,585 INFO L416 ceAbstractionStarter]: For program point L546''''(line 546) no Hoare annotation was computed. [2018-04-05 15:38:36,586 INFO L416 ceAbstractionStarter]: For program point L545''''''''''(line 545) no Hoare annotation was computed. [2018-04-05 15:38:36,586 INFO L412 ceAbstractionStarter]: At program point L545''''''''''''''''''(lines 545 550) the Hoare annotation is: (let ((.cse2 (select |#length| |cstrncmp_#in~s1.base|))) (or (let ((.cse0 (select |#length| cstrncmp_~s1.base)) (.cse1 (select |#length| cstrncmp_~s2.base))) (and (= 0 (select (select |#memory_int| cstrncmp_~s1.base) (+ .cse0 (- 1)))) (and (<= 0 cstrncmp_~s2.offset) (<= 0 cstrncmp_~s1.offset) (<= (+ cstrncmp_~s2.offset 1) .cse1) (= 1 (select |#valid| cstrncmp_~s1.base)) (<= (+ cstrncmp_~s1.offset 1) .cse0)) (= (select (select |#memory_int| cstrncmp_~s2.base) (+ .cse1 (- 1))) 0) (= 1 (select |#valid| cstrncmp_~s2.base)))) (or (< |cstrncmp_#in~s2.offset| 0) (not (= 1 (select |#valid| |cstrncmp_#in~s2.base|))) (< .cse2 (+ |cstrncmp_#in~s1.offset| 1)) (< |cstrncmp_#in~s1.offset| 0) (not (exists ((|v_main_#t~malloc16.base_BEFORE_CALL_7| Int) (|v_main_#t~malloc15.base_BEFORE_CALL_7| Int)) (and (= (select |#valid| |v_main_#t~malloc16.base_BEFORE_CALL_7|) 1) (not (= |v_main_#t~malloc16.base_BEFORE_CALL_7| |v_main_#t~malloc15.base_BEFORE_CALL_7|)) (= (select |#valid| |v_main_#t~malloc15.base_BEFORE_CALL_7|) 1))))) (not (= 0 (select (select |#memory_int| |cstrncmp_#in~s2.base|) (+ (select |#length| |cstrncmp_#in~s2.base|) (- 1))))) (not (= (select |#valid| |cstrncmp_#in~s1.base|) 1)) (not (= 0 (select (select |#memory_int| |cstrncmp_#in~s1.base|) (+ .cse2 (- 1))))) (not (exists ((main_~length2~0 Int)) (and (<= 1 main_~length2~0) (= (select (select |#memory_int| |cstrncmp_#in~s2.base|) (+ |cstrncmp_#in~s2.offset| main_~length2~0 (- 1))) 0) (<= (+ |cstrncmp_#in~s2.offset| main_~length2~0) (select |#length| |cstrncmp_#in~s2.base|))))) (not (exists ((main_~nondetString2~0.base Int) (main_~nondetString2~0.offset Int)) (and (not (= main_~nondetString2~0.base |cstrncmp_#in~s1.base|)) (= 0 (select (select |#memory_int| main_~nondetString2~0.base) (+ main_~nondetString2~0.offset (select |#length| main_~nondetString2~0.base) (- 1))))))))) [2018-04-05 15:38:36,586 INFO L416 ceAbstractionStarter]: For program point L542'(line 542) no Hoare annotation was computed. [2018-04-05 15:38:36,587 INFO L416 ceAbstractionStarter]: For program point cstrncmpErr3RequiresViolation(line 545) no Hoare annotation was computed. [2018-04-05 15:38:36,587 INFO L416 ceAbstractionStarter]: For program point L546'''''''(line 546) no Hoare annotation was computed. [2018-04-05 15:38:36,587 INFO L416 ceAbstractionStarter]: For program point cstrncmpErr9RequiresViolation(line 552) no Hoare annotation was computed. [2018-04-05 15:38:36,587 INFO L416 ceAbstractionStarter]: For program point L545''''''''''''''(line 545) no Hoare annotation was computed. [2018-04-05 15:38:36,587 INFO L416 ceAbstractionStarter]: For program point L545''(line 545) no Hoare annotation was computed. [2018-04-05 15:38:36,587 INFO L416 ceAbstractionStarter]: For program point L546''''''''(line 546) no Hoare annotation was computed. [2018-04-05 15:38:36,587 INFO L416 ceAbstractionStarter]: For program point L549''(line 549) no Hoare annotation was computed. [2018-04-05 15:38:36,587 INFO L416 ceAbstractionStarter]: For program point cstrncmpErr6RequiresViolation(line 551) no Hoare annotation was computed. [2018-04-05 15:38:36,587 INFO L416 ceAbstractionStarter]: For program point L551'(line 551) no Hoare annotation was computed. [2018-04-05 15:38:36,588 INFO L416 ceAbstractionStarter]: For program point L545'''''''''''''''''''(lines 545 550) no Hoare annotation was computed. [2018-04-05 15:38:36,592 INFO L416 ceAbstractionStarter]: For program point L545'''''''''''''''(line 545) no Hoare annotation was computed. [2018-04-05 15:38:36,592 INFO L416 ceAbstractionStarter]: For program point cstrncmpErr5RequiresViolation(line 546) no Hoare annotation was computed. [2018-04-05 15:38:36,593 INFO L416 ceAbstractionStarter]: For program point cstrncmpErr7RequiresViolation(line 551) no Hoare annotation was computed. [2018-04-05 15:38:36,593 INFO L416 ceAbstractionStarter]: For program point L545'''''''''''(line 545) no Hoare annotation was computed. [2018-04-05 15:38:36,593 INFO L416 ceAbstractionStarter]: For program point L553''''(line 553) no Hoare annotation was computed. [2018-04-05 15:38:36,593 INFO L416 ceAbstractionStarter]: For program point L545'''''''''(line 545) no Hoare annotation was computed. [2018-04-05 15:38:36,593 INFO L416 ceAbstractionStarter]: For program point L545''''(line 545) no Hoare annotation was computed. [2018-04-05 15:38:36,593 INFO L416 ceAbstractionStarter]: For program point L553'''''(line 553) no Hoare annotation was computed. [2018-04-05 15:38:36,593 INFO L416 ceAbstractionStarter]: For program point cstrncmpErr4RequiresViolation(line 546) no Hoare annotation was computed. [2018-04-05 15:38:36,593 INFO L416 ceAbstractionStarter]: For program point L548'(line 548) no Hoare annotation was computed. [2018-04-05 15:38:36,593 INFO L416 ceAbstractionStarter]: For program point cstrncmpErr8RequiresViolation(line 552) no Hoare annotation was computed. [2018-04-05 15:38:36,594 INFO L416 ceAbstractionStarter]: For program point cstrncmpEXIT(lines 540 554) no Hoare annotation was computed. [2018-04-05 15:38:36,594 INFO L416 ceAbstractionStarter]: For program point L545'''(line 545) no Hoare annotation was computed. [2018-04-05 15:38:36,594 INFO L416 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-04-05 15:38:36,594 INFO L416 ceAbstractionStarter]: For program point L540'(lines 540 554) no Hoare annotation was computed. [2018-04-05 15:38:36,594 INFO L416 ceAbstractionStarter]: For program point L552(line 552) no Hoare annotation was computed. [2018-04-05 15:38:36,594 INFO L416 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-04-05 15:38:36,594 INFO L416 ceAbstractionStarter]: For program point L552'(line 552) no Hoare annotation was computed. [2018-04-05 15:38:36,594 INFO L419 ceAbstractionStarter]: At program point cstrncmpENTRY(lines 540 554) the Hoare annotation is: true [2018-04-05 15:38:36,594 INFO L416 ceAbstractionStarter]: For program point L553'''(line 553) no Hoare annotation was computed. [2018-04-05 15:38:36,595 INFO L416 ceAbstractionStarter]: For program point L545''''''(line 545) no Hoare annotation was computed. [2018-04-05 15:38:36,595 INFO L416 ceAbstractionStarter]: For program point L546'''''''''(line 546) no Hoare annotation was computed. [2018-04-05 15:38:36,595 INFO L416 ceAbstractionStarter]: For program point cstrncmpErr2RequiresViolation(line 545) no Hoare annotation was computed. [2018-04-05 15:38:36,595 INFO L416 ceAbstractionStarter]: For program point L545''''''''''''(line 545) no Hoare annotation was computed. [2018-04-05 15:38:36,595 INFO L416 ceAbstractionStarter]: For program point L545'(line 545) no Hoare annotation was computed. [2018-04-05 15:38:36,595 INFO L416 ceAbstractionStarter]: For program point L545''''''''(lines 545 550) no Hoare annotation was computed. [2018-04-05 15:38:36,595 INFO L416 ceAbstractionStarter]: For program point L546'''(line 546) no Hoare annotation was computed. [2018-04-05 15:38:36,595 INFO L416 ceAbstractionStarter]: For program point cstrncmpFINAL(lines 540 554) no Hoare annotation was computed. [2018-04-05 15:38:36,595 INFO L416 ceAbstractionStarter]: For program point L548''(line 548) no Hoare annotation was computed. [2018-04-05 15:38:36,595 INFO L416 ceAbstractionStarter]: For program point L549'(line 549) no Hoare annotation was computed. [2018-04-05 15:38:36,596 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_32ENTRY(lines 56 60) no Hoare annotation was computed. [2018-04-05 15:38:36,596 INFO L416 ceAbstractionStarter]: For program point L59(line 59) no Hoare annotation was computed. [2018-04-05 15:38:36,596 INFO L416 ceAbstractionStarter]: For program point L59'(line 59) no Hoare annotation was computed. [2018-04-05 15:38:36,596 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_32EXIT(lines 56 60) no Hoare annotation was computed. [2018-04-05 15:38:36,596 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_32FINAL(lines 56 60) no Hoare annotation was computed. [2018-04-05 15:38:36,596 INFO L416 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-04-05 15:38:36,596 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_64FINAL(lines 61 65) no Hoare annotation was computed. [2018-04-05 15:38:36,596 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_64EXIT(lines 61 65) no Hoare annotation was computed. [2018-04-05 15:38:36,596 INFO L416 ceAbstractionStarter]: For program point L64'(line 64) no Hoare annotation was computed. [2018-04-05 15:38:36,596 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_64ENTRY(lines 61 65) no Hoare annotation was computed. [2018-04-05 15:38:36,635 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc16.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-05 15:38:36,637 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc16.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-05 15:38:36,637 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc15.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-05 15:38:36,637 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc15.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-05 15:38:36,645 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-05 15:38:36,646 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-05 15:38:36,646 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-05 15:38:36,646 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-05 15:38:36,647 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-05 15:38:36,647 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-04-05 15:38:36,647 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-05 15:38:36,650 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:38:36,650 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:38:36,651 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:38:36,651 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:38:36,651 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:38:36,652 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:38:36,656 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:38:36,656 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:38:36,657 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:38:36,657 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:38:36,657 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:38:36,657 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:38:36,660 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:38:36,660 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:38:36,661 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:38:36,681 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc16.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-05 15:38:36,681 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc16.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-05 15:38:36,681 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc15.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-05 15:38:36,681 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc15.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-05 15:38:36,698 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-05 15:38:36,698 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-05 15:38:36,698 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-05 15:38:36,699 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-05 15:38:36,699 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-05 15:38:36,699 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-04-05 15:38:36,699 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-05 15:38:36,699 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:38:36,700 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:38:36,700 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:38:36,700 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:38:36,700 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:38:36,701 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:38:36,701 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:38:36,701 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:38:36,701 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:38:36,702 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:38:36,710 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:38:36,710 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:38:36,710 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:38:36,711 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:38:36,711 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:38:36,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.04 03:38:36 BoogieIcfgContainer [2018-04-05 15:38:36,714 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-05 15:38:36,715 INFO L168 Benchmark]: Toolchain (without parser) took 112087.78 ms. Allocated memory was 305.7 MB in the beginning and 616.6 MB in the end (delta: 310.9 MB). Free memory was 241.8 MB in the beginning and 525.6 MB in the end (delta: -283.8 MB). Peak memory consumption was 234.5 MB. Max. memory is 5.3 GB. [2018-04-05 15:38:36,723 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 305.7 MB. Free memory is still 266.8 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-05 15:38:36,723 INFO L168 Benchmark]: CACSL2BoogieTranslator took 767.84 ms. Allocated memory is still 305.7 MB. Free memory was 241.8 MB in the beginning and 217.9 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. [2018-04-05 15:38:36,723 INFO L168 Benchmark]: Boogie Preprocessor took 147.15 ms. Allocated memory is still 305.7 MB. Free memory was 217.9 MB in the beginning and 215.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-04-05 15:38:36,724 INFO L168 Benchmark]: RCFGBuilder took 1659.78 ms. Allocated memory was 305.7 MB in the beginning and 469.2 MB in the end (delta: 163.6 MB). Free memory was 215.9 MB in the beginning and 399.7 MB in the end (delta: -183.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 5.3 GB. [2018-04-05 15:38:36,724 INFO L168 Benchmark]: TraceAbstraction took 109503.16 ms. Allocated memory was 469.2 MB in the beginning and 616.6 MB in the end (delta: 147.3 MB). Free memory was 399.7 MB in the beginning and 525.6 MB in the end (delta: -125.9 MB). Peak memory consumption was 228.8 MB. Max. memory is 5.3 GB. [2018-04-05 15:38:36,728 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 266.8 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 767.84 ms. Allocated memory is still 305.7 MB. Free memory was 241.8 MB in the beginning and 217.9 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 147.15 ms. Allocated memory is still 305.7 MB. Free memory was 217.9 MB in the beginning and 215.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 1659.78 ms. Allocated memory was 305.7 MB in the beginning and 469.2 MB in the end (delta: 163.6 MB). Free memory was 215.9 MB in the beginning and 399.7 MB in the end (delta: -183.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 5.3 GB. * TraceAbstraction took 109503.16 ms. Allocated memory was 469.2 MB in the beginning and 616.6 MB in the end (delta: 147.3 MB). Free memory was 399.7 MB in the beginning and 525.6 MB in the end (delta: -125.9 MB). Peak memory consumption was 228.8 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~malloc16.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc16.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc15.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc15.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_~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~malloc16.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc16.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc15.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc15.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_~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 #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 #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: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 566]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 555]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 566]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 545]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 551]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 545]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 551]: 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: 552]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 552]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 15 specifications checked. All of them hold - InvariantResult [Line: 545]: Loop Invariant [2018-04-05 15:38:36,754 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc16.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-05 15:38:36,755 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc16.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-05 15:38:36,755 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc15.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-05 15:38:36,755 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc15.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-05 15:38:36,755 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-05 15:38:36,756 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-05 15:38:36,773 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-05 15:38:36,773 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-05 15:38:36,773 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-05 15:38:36,774 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-04-05 15:38:36,774 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-05 15:38:36,774 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:38:36,774 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:38:36,774 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:38:36,779 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:38:36,779 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:38:36,780 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:38:36,780 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:38:36,780 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:38:36,780 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:38:36,780 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:38:36,781 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:38:36,781 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:38:36,781 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:38:36,781 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:38:36,781 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:38:36,801 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc16.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-05 15:38:36,801 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc16.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-05 15:38:36,801 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc15.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-05 15:38:36,802 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc15.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-05 15:38:36,802 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-05 15:38:36,802 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-05 15:38:36,802 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-05 15:38:36,803 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-05 15:38:36,803 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-05 15:38:36,803 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-04-05 15:38:36,803 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-05 15:38:36,803 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:38:36,804 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:38:36,817 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:38:36,817 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:38:36,817 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:38:36,818 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:38:36,818 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:38:36,818 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:38:36,818 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:38:36,818 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:38:36,819 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:38:36,819 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:38:36,819 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:38:36,819 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:38:36,819 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: ((((((((0 == unknown-#memory_int-unknown[s1][unknown-#length-unknown[s1] + -1] && (((0 <= s2 && 0 <= s1) && s2 + 1 <= unknown-#length-unknown[s2]) && 1 == \valid[s1]) && s1 + 1 <= unknown-#length-unknown[s1]) && unknown-#memory_int-unknown[s2][unknown-#length-unknown[s2] + -1] == 0) && 1 == \valid[s2]) || (((s2 < 0 || !(1 == \valid[s2])) || unknown-#length-unknown[s1] < s1 + 1) || s1 < 0) || !(\exists v_main_#t~malloc16.base_BEFORE_CALL_7 : int, v_main_#t~malloc15.base_BEFORE_CALL_7 : int :: (\valid[v_main_#t~malloc16.base_BEFORE_CALL_7] == 1 && !(v_main_#t~malloc16.base_BEFORE_CALL_7 == v_main_#t~malloc15.base_BEFORE_CALL_7)) && \valid[v_main_#t~malloc15.base_BEFORE_CALL_7] == 1)) || !(0 == unknown-#memory_int-unknown[s2][unknown-#length-unknown[s2] + -1])) || !(\valid[s1] == 1)) || !(0 == unknown-#memory_int-unknown[s1][unknown-#length-unknown[s1] + -1])) || !(\exists main_~length2~0 : int :: (1 <= main_~length2~0 && unknown-#memory_int-unknown[s2][s2 + main_~length2~0 + -1] == 0) && s2 + main_~length2~0 <= unknown-#length-unknown[s2])) || !(\exists main_~nondetString2~0.base : int, main_~nondetString2~0.offset : int :: !(main_~nondetString2~0.base == s1) && 0 == unknown-#memory_int-unknown[main_~nondetString2~0.base][main_~nondetString2~0.offset + unknown-#length-unknown[main_~nondetString2~0.base] + -1]) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 114 locations, 15 error locations. SAFE Result, 109.2s OverallTime, 20 OverallIterations, 3 TraceHistogramMax, 59.0s AutomataDifference, 0.0s DeadEndRemovalTime, 7.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 1780 SDtfs, 2798 SDslu, 7407 SDs, 0 SdLazy, 4949 SolverSat, 153 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 24.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1939 GetRequests, 1582 SyntacticMatches, 18 SemanticMatches, 339 ConstructedPredicates, 20 IntricatePredicates, 0 DeprecatedPredicates, 2118 ImplicationChecksByTransitivity, 57.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=185occurred in iteration=10, 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: 0.6s AutomataMinimizationTime, 20 MinimizatonAttempts, 344 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 10 NumberOfFragments, 315 HoareAnnotationTreeSize, 7 FomulaSimplifications, 210 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2397 FormulaSimplificationTreeSizeReductionInter, 7.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 38.5s InterpolantComputationTime, 908 NumberOfCodeBlocks, 908 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1776 ConstructedInterpolants, 278 QuantifiedInterpolants, 1283529 SizeOfPredicates, 151 NumberOfNonLiveVariables, 2551 ConjunctsInSsa, 297 ConjunctsInUnsatCore, 40 InterpolantComputations, 32 PerfectInterpolantSequences, 80/230 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/cstrncmp-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-05_15-38-36-846.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrncmp-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-05_15-38-36-846.csv Received shutdown request...