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/memsafety/test-0219_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-453dfda-m [2018-04-09 21:02:31,806 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-09 21:02:31,808 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-09 21:02:31,821 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-04-09 21:02:31,849 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf [2018-04-09 21:02:31,872 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-09 21:02:31,872 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-09 21:02:31,873 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-04-09 21:02:31,873 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-04-09 21:02:31,873 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-04-09 21:02:31,874 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-04-09 21:02:31,874 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-04-09 21:02:31,874 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-04-09 21:02:31,874 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-04-09 21:02:31,874 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-04-09 21:02:31,875 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-04-09 21:02:31,875 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-04-09 21:02:31,875 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-09 21:02:31,875 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-09 21:02:31,875 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-09 21:02:31,875 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-09 21:02:31,876 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-09 21:02:31,876 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-09 21:02:31,876 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-09 21:02:31,876 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-04-09 21:02:31,876 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-09 21:02:31,876 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-09 21:02:31,876 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-09 21:02:31,877 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-04-09 21:02:31,877 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-04-09 21:02:31,877 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-09 21:02:31,877 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-09 21:02:31,877 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-09 21:02:31,878 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-09 21:02:31,878 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-09 21:02:31,878 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-04-09 21:02:31,878 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-04-09 21:02:31,878 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 21:02:31,878 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-04-09 21:02:31,879 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-04-09 21:02:31,879 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-04-09 21:02:31,879 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-04-09 21:02:31,880 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-04-09 21:02:31,911 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-09 21:02:31,921 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-09 21:02:31,924 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-09 21:02:31,926 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-09 21:02:31,926 INFO L276 PluginConnector]: CDTParser initialized [2018-04-09 21:02:31,927 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,230 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG61c3b9839 [2018-04-09 21:02:32,434 INFO L287 CDTParser]: IsIndexed: true [2018-04-09 21:02:32,434 INFO L288 CDTParser]: Found 1 translation units. [2018-04-09 21:02:32,435 INFO L168 CDTParser]: Scanning test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,447 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-09 21:02:32,447 INFO L215 ultiparseSymbolTable]: [2018-04-09 21:02:32,447 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-09 21:02:32,447 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_ftest______true_valid_memsafety_i__l2_destroy ('l2_destroy') in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,448 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_ftest______true_valid_memsafety_i__calloc_model ('calloc_model') in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,448 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_ftest______true_valid_memsafety_i__l2_insert ('l2_insert') in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,448 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_ftest______true_valid_memsafety_i__l1_insert ('l1_insert') in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,448 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,448 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-09 21:02:32,448 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____int32_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,448 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__div_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,448 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____suseconds_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,448 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__time_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,449 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__fsblkcnt_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,449 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__key_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,449 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__pthread_mutex_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,449 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____u_short in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,449 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__uid_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,449 INFO L230 ultiparseSymbolTable]: Global variable declaration of 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[2018-04-09 21:02:32,449 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__mode_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,450 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__int16_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,450 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__lldiv_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,450 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____u_char in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,450 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____blksize_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,450 INFO L230 ultiparseSymbolTable]: Global variable declaration of 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21:02:32,451 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__u_int64_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,451 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__u_int in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,451 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__pthread_mutexattr_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,451 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____fsfilcnt_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,451 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____qaddr_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,451 INFO L230 ultiparseSymbolTable]: Global variable declaration of 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21:02:32,452 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__u_short in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,452 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__off_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,452 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__gid_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,452 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__ulong in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,453 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__pid_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,453 INFO L230 ultiparseSymbolTable]: Global variable declaration of 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test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,453 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__u_long in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,454 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____caddr_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,454 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____fsid_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,454 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__size_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,454 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____sigset_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,454 INFO L230 ultiparseSymbolTable]: Global variable 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Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__dev_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,455 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__quad_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,455 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____u_int in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,455 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____uint8_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,456 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____blkcnt_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,456 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__pthread_cond_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,456 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__u_int8_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,456 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__u_int16_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,456 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____key_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,456 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____loff_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,456 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____useconds_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,456 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__wchar_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,456 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__fd_mask in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,456 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__suseconds_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,456 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____u_quad_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,456 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____gid_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,456 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__pthread_barrier_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,456 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____quad_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,456 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__pthread_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,457 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____fd_mask in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,457 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____int64_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,457 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__ushort in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,457 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__loff_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,457 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__int64_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,457 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____WAIT_STATUS in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,457 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____fsblkcnt64_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,457 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__pthread_condattr_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,457 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____uint16_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,457 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____pid_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,457 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____daddr_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,457 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__ldiv_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,458 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____fsfilcnt64_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,458 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____blkcnt64_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,458 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__u_int32_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,458 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__pthread_rwlockattr_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,458 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__ino_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,458 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____uint64_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,458 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____swblk_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,458 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__pthread_barrierattr_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,458 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__timer_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,458 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____ssize_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,458 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__int32_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,458 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__register_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,459 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____sig_atomic_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,459 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____locale_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,459 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____nlink_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,459 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__pthread_key_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,459 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____ino64_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,459 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____off_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,459 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__nlink_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,459 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__fsfilcnt_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,459 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____uid_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,460 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__ssize_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,460 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__id_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,460 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__uint in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,460 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__sigset_t in test-0219_true-valid-memsafety.i [2018-04-09 21:02:32,481 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG61c3b9839 [2018-04-09 21:02:32,485 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-09 21:02:32,487 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-09 21:02:32,488 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-09 21:02:32,489 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-09 21:02:32,494 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-09 21:02:32,494 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.04 09:02:32" (1/1) ... [2018-04-09 21:02:32,496 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30637e47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 09:02:32, skipping insertion in model container [2018-04-09 21:02:32,497 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.04 09:02:32" (1/1) ... [2018-04-09 21:02:32,510 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-09 21:02:32,548 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-09 21:02:32,731 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-09 21:02:32,786 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-09 21:02:32,795 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 162 non ball SCCs. Number of states in SCCs 162. [2018-04-09 21:02:32,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 09:02:32 WrapperNode [2018-04-09 21:02:32,863 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-09 21:02:32,864 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-09 21:02:32,865 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-09 21:02:32,865 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-09 21:02:32,876 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 09:02:32" (1/1) ... [2018-04-09 21:02:32,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 09:02:32" (1/1) ... [2018-04-09 21:02:32,894 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 09:02:32" (1/1) ... [2018-04-09 21:02:32,894 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 09:02:32" (1/1) ... [2018-04-09 21:02:32,913 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 09:02:32" (1/1) ... [2018-04-09 21:02:32,920 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 09:02:32" (1/1) ... [2018-04-09 21:02:32,924 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 09:02:32" (1/1) ... [2018-04-09 21:02:32,931 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-09 21:02:32,931 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-09 21:02:32,932 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-09 21:02:32,932 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-09 21:02:32,933 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 09:02:32" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-09 21:02:33,053 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-09 21:02:33,053 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-09 21:02:33,053 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_ftest______true_valid_memsafety_i__calloc_model [2018-04-09 21:02:33,053 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_ftest______true_valid_memsafety_i__l2_insert [2018-04-09 21:02:33,054 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_ftest______true_valid_memsafety_i__l2_destroy [2018-04-09 21:02:33,054 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_ftest______true_valid_memsafety_i__l1_insert [2018-04-09 21:02:33,054 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-09 21:02:33,054 INFO L136 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-04-09 21:02:33,054 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-09 21:02:33,054 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-09 21:02:33,054 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-09 21:02:33,054 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-09 21:02:33,054 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-09 21:02:33,054 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-09 21:02:33,055 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-09 21:02:33,055 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-09 21:02:33,055 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-09 21:02:33,055 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-09 21:02:33,055 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-09 21:02:33,055 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-09 21:02:33,055 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-09 21:02:33,055 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-09 21:02:33,055 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-09 21:02:33,055 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-09 21:02:33,055 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-09 21:02:33,055 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-09 21:02:33,056 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-09 21:02:33,056 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-09 21:02:33,056 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-09 21:02:33,056 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-09 21:02:33,056 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-09 21:02:33,056 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-09 21:02:33,056 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-09 21:02:33,056 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-09 21:02:33,056 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-09 21:02:33,056 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-09 21:02:33,056 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-09 21:02:33,056 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-09 21:02:33,057 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-09 21:02:33,057 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-09 21:02:33,057 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-09 21:02:33,057 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-09 21:02:33,057 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-09 21:02:33,057 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-09 21:02:33,057 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-09 21:02:33,057 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-09 21:02:33,057 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-09 21:02:33,057 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-09 21:02:33,057 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-09 21:02:33,057 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-09 21:02:33,058 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-09 21:02:33,058 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-09 21:02:33,058 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-09 21:02:33,058 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-09 21:02:33,058 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-09 21:02:33,058 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-09 21:02:33,058 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-09 21:02:33,058 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-09 21:02:33,058 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-09 21:02:33,058 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-09 21:02:33,058 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-09 21:02:33,058 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-09 21:02:33,059 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-09 21:02:33,059 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-09 21:02:33,059 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-09 21:02:33,059 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-09 21:02:33,059 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-09 21:02:33,059 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-09 21:02:33,059 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-09 21:02:33,059 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-09 21:02:33,059 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-09 21:02:33,059 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-09 21:02:33,059 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-09 21:02:33,059 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-04-09 21:02:33,059 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-09 21:02:33,059 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-09 21:02:33,060 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-09 21:02:33,060 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-09 21:02:33,060 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-09 21:02:33,060 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-09 21:02:33,060 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-09 21:02:33,060 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-09 21:02:33,060 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-09 21:02:33,060 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-09 21:02:33,060 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-09 21:02:33,060 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-09 21:02:33,060 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-09 21:02:33,060 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-09 21:02:33,061 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-09 21:02:33,061 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-09 21:02:33,061 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-09 21:02:33,061 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-09 21:02:33,061 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-09 21:02:33,061 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-09 21:02:33,061 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-09 21:02:33,061 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-09 21:02:33,061 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-09 21:02:33,061 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-09 21:02:33,061 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-09 21:02:33,061 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-09 21:02:33,061 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-09 21:02:33,062 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-09 21:02:33,062 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-09 21:02:33,062 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-09 21:02:33,062 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-09 21:02:33,062 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-09 21:02:33,062 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-09 21:02:33,062 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-09 21:02:33,062 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-09 21:02:33,062 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-09 21:02:33,062 INFO L128 BoogieDeclarations]: Found specification of procedure memcpy [2018-04-09 21:02:33,062 INFO L128 BoogieDeclarations]: Found specification of procedure memmove [2018-04-09 21:02:33,063 INFO L128 BoogieDeclarations]: Found specification of procedure memccpy [2018-04-09 21:02:33,063 INFO L128 BoogieDeclarations]: Found specification of procedure memset [2018-04-09 21:02:33,063 INFO L128 BoogieDeclarations]: Found specification of procedure memcmp [2018-04-09 21:02:33,063 INFO L128 BoogieDeclarations]: Found specification of procedure memchr [2018-04-09 21:02:33,063 INFO L128 BoogieDeclarations]: Found specification of procedure strcpy [2018-04-09 21:02:33,063 INFO L128 BoogieDeclarations]: Found specification of procedure strncpy [2018-04-09 21:02:33,063 INFO L128 BoogieDeclarations]: Found specification of procedure strcat [2018-04-09 21:02:33,063 INFO L128 BoogieDeclarations]: Found specification of procedure strncat [2018-04-09 21:02:33,064 INFO L128 BoogieDeclarations]: Found specification of procedure strcmp [2018-04-09 21:02:33,064 INFO L128 BoogieDeclarations]: Found specification of procedure strncmp [2018-04-09 21:02:33,064 INFO L128 BoogieDeclarations]: Found specification of procedure strcoll [2018-04-09 21:02:33,064 INFO L128 BoogieDeclarations]: Found specification of procedure strxfrm [2018-04-09 21:02:33,064 INFO L128 BoogieDeclarations]: Found specification of procedure strcoll_l [2018-04-09 21:02:33,064 INFO L128 BoogieDeclarations]: Found specification of procedure strxfrm_l [2018-04-09 21:02:33,064 INFO L128 BoogieDeclarations]: Found specification of procedure strdup [2018-04-09 21:02:33,065 INFO L128 BoogieDeclarations]: Found specification of procedure strndup [2018-04-09 21:02:33,065 INFO L128 BoogieDeclarations]: Found specification of procedure strchr [2018-04-09 21:02:33,065 INFO L128 BoogieDeclarations]: Found specification of procedure strrchr [2018-04-09 21:02:33,065 INFO L128 BoogieDeclarations]: Found specification of procedure strcspn [2018-04-09 21:02:33,065 INFO L128 BoogieDeclarations]: Found specification of procedure strspn [2018-04-09 21:02:33,065 INFO L128 BoogieDeclarations]: Found specification of procedure strpbrk [2018-04-09 21:02:33,065 INFO L128 BoogieDeclarations]: Found specification of procedure strstr [2018-04-09 21:02:33,065 INFO L128 BoogieDeclarations]: Found specification of procedure strtok [2018-04-09 21:02:33,066 INFO L128 BoogieDeclarations]: Found specification of procedure __strtok_r [2018-04-09 21:02:33,066 INFO L128 BoogieDeclarations]: Found specification of procedure strtok_r [2018-04-09 21:02:33,066 INFO L128 BoogieDeclarations]: Found specification of procedure strlen [2018-04-09 21:02:33,066 INFO L128 BoogieDeclarations]: Found specification of procedure strnlen [2018-04-09 21:02:33,066 INFO L128 BoogieDeclarations]: Found specification of procedure strerror [2018-04-09 21:02:33,066 INFO L128 BoogieDeclarations]: Found specification of procedure strerror_r [2018-04-09 21:02:33,066 INFO L128 BoogieDeclarations]: Found specification of procedure strerror_l [2018-04-09 21:02:33,066 INFO L128 BoogieDeclarations]: Found specification of procedure __bzero [2018-04-09 21:02:33,067 INFO L128 BoogieDeclarations]: Found specification of procedure bcopy [2018-04-09 21:02:33,067 INFO L128 BoogieDeclarations]: Found specification of procedure bzero [2018-04-09 21:02:33,067 INFO L128 BoogieDeclarations]: Found specification of procedure bcmp [2018-04-09 21:02:33,067 INFO L128 BoogieDeclarations]: Found specification of procedure index [2018-04-09 21:02:33,067 INFO L128 BoogieDeclarations]: Found specification of procedure rindex [2018-04-09 21:02:33,067 INFO L128 BoogieDeclarations]: Found specification of procedure ffs [2018-04-09 21:02:33,067 INFO L128 BoogieDeclarations]: Found specification of procedure strcasecmp [2018-04-09 21:02:33,067 INFO L128 BoogieDeclarations]: Found specification of procedure strncasecmp [2018-04-09 21:02:33,068 INFO L128 BoogieDeclarations]: Found specification of procedure strsep [2018-04-09 21:02:33,068 INFO L128 BoogieDeclarations]: Found specification of procedure strsignal [2018-04-09 21:02:33,068 INFO L128 BoogieDeclarations]: Found specification of procedure __stpcpy [2018-04-09 21:02:33,068 INFO L128 BoogieDeclarations]: Found specification of procedure stpcpy [2018-04-09 21:02:33,068 INFO L128 BoogieDeclarations]: Found specification of procedure __stpncpy [2018-04-09 21:02:33,068 INFO L128 BoogieDeclarations]: Found specification of procedure stpncpy [2018-04-09 21:02:33,068 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_ftest______true_valid_memsafety_i__calloc_model [2018-04-09 21:02:33,068 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-09 21:02:33,069 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-04-09 21:02:33,069 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-09 21:02:33,069 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_ftest______true_valid_memsafety_i__l2_insert [2018-04-09 21:02:33,069 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-09 21:02:33,069 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-09 21:02:33,069 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_ftest______true_valid_memsafety_i__l2_destroy [2018-04-09 21:02:33,069 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-09 21:02:33,069 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_ftest______true_valid_memsafety_i__l1_insert [2018-04-09 21:02:33,069 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-09 21:02:33,070 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-09 21:02:33,070 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-09 21:02:33,378 WARN L446 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-04-09 21:02:33,720 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-09 21:02:33,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.04 09:02:33 BoogieIcfgContainer [2018-04-09 21:02:33,721 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-09 21:02:33,722 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-09 21:02:33,722 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-09 21:02:33,725 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-09 21:02:33,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.04 09:02:32" (1/3) ... [2018-04-09 21:02:33,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@791ffe3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.04 09:02:33, skipping insertion in model container [2018-04-09 21:02:33,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 09:02:32" (2/3) ... [2018-04-09 21:02:33,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@791ffe3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.04 09:02:33, skipping insertion in model container [2018-04-09 21:02:33,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.04 09:02:33" (3/3) ... [2018-04-09 21:02:33,729 INFO L107 eAbstractionObserver]: Analyzing ICFG test-0219_true-valid-memsafety.i [2018-04-09 21:02:33,739 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-09 21:02:33,748 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 45 error locations. [2018-04-09 21:02:33,794 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-09 21:02:33,795 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-09 21:02:33,795 INFO L370 AbstractCegarLoop]: Hoare is true [2018-04-09 21:02:33,795 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-09 21:02:33,795 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-09 21:02:33,795 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-09 21:02:33,795 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-09 21:02:33,795 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-09 21:02:33,795 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-09 21:02:33,796 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-09 21:02:33,811 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states. [2018-04-09 21:02:33,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-04-09 21:02:33,814 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 21:02:33,815 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-04-09 21:02:33,815 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr8RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr6RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr7RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr9RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr4RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr5RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__calloc_modelErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__calloc_modelErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr4RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr5RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr2RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr8RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation]=== [2018-04-09 21:02:33,818 INFO L82 PathProgramCache]: Analyzing trace with hash 233559486, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 21:02:33,830 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 21:02:33,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 21:02:33,862 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 21:02:33,899 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 21:02:33,900 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 21:02:33,906 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:02:33,906 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-09 21:02:33,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:02:33,922 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 21:02:33,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:02:33,948 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 21:02:33,948 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2018-04-09 21:02:33,950 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-09 21:02:33,959 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-09 21:02:33,960 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-09 21:02:33,961 INFO L87 Difference]: Start difference. First operand 155 states. Second operand 3 states. [2018-04-09 21:02:34,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 21:02:34,211 INFO L93 Difference]: Finished difference Result 311 states and 342 transitions. [2018-04-09 21:02:34,211 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-09 21:02:34,212 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2018-04-09 21:02:34,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 21:02:34,224 INFO L225 Difference]: With dead ends: 311 [2018-04-09 21:02:34,224 INFO L226 Difference]: Without dead ends: 158 [2018-04-09 21:02:34,228 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-09 21:02:34,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2018-04-09 21:02:34,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 144. [2018-04-09 21:02:34,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-04-09 21:02:34,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 149 transitions. [2018-04-09 21:02:34,275 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 149 transitions. Word has length 5 [2018-04-09 21:02:34,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 21:02:34,275 INFO L459 AbstractCegarLoop]: Abstraction has 144 states and 149 transitions. [2018-04-09 21:02:34,276 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-09 21:02:34,276 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 149 transitions. [2018-04-09 21:02:34,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-04-09 21:02:34,276 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 21:02:34,276 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-04-09 21:02:34,276 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr8RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr6RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr7RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr9RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr4RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr5RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__calloc_modelErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__calloc_modelErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr4RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr5RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr2RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr8RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation]=== [2018-04-09 21:02:34,277 INFO L82 PathProgramCache]: Analyzing trace with hash 233559487, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 21:02:34,288 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 21:02:34,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 21:02:34,300 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 21:02:34,311 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 21:02:34,311 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 21:02:34,327 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:02:34,328 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-09 21:02:34,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:02:34,334 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 21:02:34,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:02:34,368 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 21:02:34,368 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2018-04-09 21:02:34,369 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-09 21:02:34,369 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-09 21:02:34,369 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-04-09 21:02:34,370 INFO L87 Difference]: Start difference. First operand 144 states and 149 transitions. Second operand 4 states. [2018-04-09 21:02:34,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 21:02:34,496 INFO L93 Difference]: Finished difference Result 154 states and 161 transitions. [2018-04-09 21:02:34,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-09 21:02:34,497 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2018-04-09 21:02:34,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 21:02:34,500 INFO L225 Difference]: With dead ends: 154 [2018-04-09 21:02:34,500 INFO L226 Difference]: Without dead ends: 148 [2018-04-09 21:02:34,501 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-04-09 21:02:34,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-04-09 21:02:34,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 141. [2018-04-09 21:02:34,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-04-09 21:02:34,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 146 transitions. [2018-04-09 21:02:34,513 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 146 transitions. Word has length 5 [2018-04-09 21:02:34,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 21:02:34,513 INFO L459 AbstractCegarLoop]: Abstraction has 141 states and 146 transitions. [2018-04-09 21:02:34,513 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-09 21:02:34,514 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 146 transitions. [2018-04-09 21:02:34,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-04-09 21:02:34,514 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 21:02:34,514 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 21:02:34,515 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr8RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr6RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr7RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr9RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr4RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr5RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__calloc_modelErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__calloc_modelErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr4RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr5RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr2RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr8RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation]=== [2018-04-09 21:02:34,515 INFO L82 PathProgramCache]: Analyzing trace with hash 1238814731, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 21:02:34,521 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 21:02:34,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 21:02:34,561 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 21:02:34,566 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 21:02:34,566 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 21:02:34,568 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:02:34,569 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-09 21:02:34,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:02:34,578 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 21:02:34,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:02:34,613 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 21:02:34,613 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-09 21:02:34,613 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-09 21:02:34,613 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-09 21:02:34,614 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-09 21:02:34,614 INFO L87 Difference]: Start difference. First operand 141 states and 146 transitions. Second operand 4 states. [2018-04-09 21:02:34,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 21:02:34,762 INFO L93 Difference]: Finished difference Result 141 states and 146 transitions. [2018-04-09 21:02:34,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-09 21:02:34,763 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2018-04-09 21:02:34,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 21:02:34,764 INFO L225 Difference]: With dead ends: 141 [2018-04-09 21:02:34,764 INFO L226 Difference]: Without dead ends: 140 [2018-04-09 21:02:34,765 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-09 21:02:34,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-04-09 21:02:34,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-04-09 21:02:34,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-04-09 21:02:34,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 145 transitions. [2018-04-09 21:02:34,777 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 145 transitions. Word has length 17 [2018-04-09 21:02:34,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 21:02:34,777 INFO L459 AbstractCegarLoop]: Abstraction has 140 states and 145 transitions. [2018-04-09 21:02:34,777 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-09 21:02:34,777 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 145 transitions. [2018-04-09 21:02:34,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-04-09 21:02:34,778 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 21:02:34,778 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 21:02:34,778 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr8RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr6RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr7RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr9RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr4RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr5RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__calloc_modelErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__calloc_modelErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr4RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr5RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr2RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr8RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation]=== [2018-04-09 21:02:34,778 INFO L82 PathProgramCache]: Analyzing trace with hash 1238814732, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 21:02:34,788 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 21:02:34,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 21:02:34,814 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 21:02:34,826 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 24 treesize of output 23 [2018-04-09 21:02:34,826 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 21:02:34,873 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 21 treesize of output 20 [2018-04-09 21:02:34,874 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:02:34,900 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 21:02:34,900 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:46, output treesize:44 [2018-04-09 21:02:34,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:02:34,961 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 21:02:35,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:02:35,098 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 21:02:35,098 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2018-04-09 21:02:35,099 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-09 21:02:35,099 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-09 21:02:35,099 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-09 21:02:35,099 INFO L87 Difference]: Start difference. First operand 140 states and 145 transitions. Second operand 6 states. [2018-04-09 21:02:35,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 21:02:35,366 INFO L93 Difference]: Finished difference Result 140 states and 145 transitions. [2018-04-09 21:02:35,367 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-09 21:02:35,367 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2018-04-09 21:02:35,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 21:02:35,368 INFO L225 Difference]: With dead ends: 140 [2018-04-09 21:02:35,368 INFO L226 Difference]: Without dead ends: 139 [2018-04-09 21:02:35,368 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-09 21:02:35,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-04-09 21:02:35,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2018-04-09 21:02:35,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-04-09 21:02:35,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 144 transitions. [2018-04-09 21:02:35,379 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 144 transitions. Word has length 17 [2018-04-09 21:02:35,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 21:02:35,380 INFO L459 AbstractCegarLoop]: Abstraction has 139 states and 144 transitions. [2018-04-09 21:02:35,380 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-09 21:02:35,380 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 144 transitions. [2018-04-09 21:02:35,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-04-09 21:02:35,381 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 21:02:35,381 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 21:02:35,381 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr8RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr6RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr7RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr9RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr4RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr5RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__calloc_modelErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__calloc_modelErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr4RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr5RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr2RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr8RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation]=== [2018-04-09 21:02:35,382 INFO L82 PathProgramCache]: Analyzing trace with hash 1877113206, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 21:02:35,388 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 21:02:35,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 21:02:35,439 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 21:02:35,444 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 21:02:35,445 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 21:02:35,446 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:02:35,447 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-09 21:02:35,492 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 21:02:35,492 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 21:02:35,494 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-04-09 21:02:35,494 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 21:02:35,499 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 21:02:35,499 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:15 [2018-04-09 21:02:35,516 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-09 21:02:35,517 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 21:02:36,385 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-04-09 21:02:36,406 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 21:02:36,407 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8, 7] imperfect sequences [] total 13 [2018-04-09 21:02:36,407 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-09 21:02:36,407 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-09 21:02:36,407 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-04-09 21:02:36,408 INFO L87 Difference]: Start difference. First operand 139 states and 144 transitions. Second operand 14 states. [2018-04-09 21:02:36,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 21:02:36,905 INFO L93 Difference]: Finished difference Result 143 states and 148 transitions. [2018-04-09 21:02:36,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-09 21:02:36,905 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 54 [2018-04-09 21:02:36,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 21:02:36,906 INFO L225 Difference]: With dead ends: 143 [2018-04-09 21:02:36,906 INFO L226 Difference]: Without dead ends: 140 [2018-04-09 21:02:36,907 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 94 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2018-04-09 21:02:36,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-04-09 21:02:36,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 136. [2018-04-09 21:02:36,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-04-09 21:02:36,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 141 transitions. [2018-04-09 21:02:36,917 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 141 transitions. Word has length 54 [2018-04-09 21:02:36,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 21:02:36,917 INFO L459 AbstractCegarLoop]: Abstraction has 136 states and 141 transitions. [2018-04-09 21:02:36,918 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-09 21:02:36,918 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 141 transitions. [2018-04-09 21:02:36,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-04-09 21:02:36,919 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 21:02:36,919 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 21:02:36,919 INFO L408 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr8RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr6RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr7RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr9RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr4RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr5RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__calloc_modelErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__calloc_modelErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr4RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr5RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr2RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr8RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation]=== [2018-04-09 21:02:36,920 INFO L82 PathProgramCache]: Analyzing trace with hash 1877113207, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 21:02:36,925 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 21:02:36,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 21:02:36,988 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 21:02:37,047 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:02:37,048 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 21:02:37,236 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-04-09 21:02:37,258 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-04-09 21:02:37,258 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 11 [2018-04-09 21:02:37,258 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-09 21:02:37,259 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-09 21:02:37,259 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-04-09 21:02:37,259 INFO L87 Difference]: Start difference. First operand 136 states and 141 transitions. Second operand 11 states. [2018-04-09 21:02:37,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 21:02:37,345 INFO L93 Difference]: Finished difference Result 273 states and 287 transitions. [2018-04-09 21:02:37,345 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-09 21:02:37,345 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 54 [2018-04-09 21:02:37,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 21:02:37,346 INFO L225 Difference]: With dead ends: 273 [2018-04-09 21:02:37,346 INFO L226 Difference]: Without dead ends: 139 [2018-04-09 21:02:37,348 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 95 SyntacticMatches, 3 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-04-09 21:02:37,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-04-09 21:02:37,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 137. [2018-04-09 21:02:37,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-04-09 21:02:37,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 142 transitions. [2018-04-09 21:02:37,356 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 142 transitions. Word has length 54 [2018-04-09 21:02:37,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 21:02:37,356 INFO L459 AbstractCegarLoop]: Abstraction has 137 states and 142 transitions. [2018-04-09 21:02:37,356 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-09 21:02:37,356 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 142 transitions. [2018-04-09 21:02:37,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-04-09 21:02:37,358 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 21:02:37,358 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 21:02:37,358 INFO L408 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr8RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr6RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr7RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr9RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr4RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr5RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__calloc_modelErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__calloc_modelErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr4RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr5RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr2RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr8RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation]=== [2018-04-09 21:02:37,358 INFO L82 PathProgramCache]: Analyzing trace with hash -1920727163, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 21:02:37,366 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 21:02:37,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 21:02:37,421 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 21:02:37,498 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-04-09 21:02:37,498 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 21:02:45,845 WARN L148 SmtUtils]: Spent 2038ms on a formula simplification that was a NOOP. DAG size: 42 [2018-04-09 21:02:46,365 WARN L148 SmtUtils]: Spent 486ms on a formula simplification that was a NOOP. DAG size: 43 [2018-04-09 21:02:48,449 WARN L148 SmtUtils]: Spent 2042ms on a formula simplification that was a NOOP. DAG size: 44 [2018-04-09 21:02:48,474 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-04-09 21:02:48,507 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 21:02:48,507 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 15 [2018-04-09 21:02:48,508 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-09 21:02:48,508 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-09 21:02:48,508 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=161, Unknown=1, NotChecked=0, Total=210 [2018-04-09 21:02:48,509 INFO L87 Difference]: Start difference. First operand 137 states and 142 transitions. Second operand 15 states. [2018-04-09 21:02:48,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 21:02:48,662 INFO L93 Difference]: Finished difference Result 277 states and 291 transitions. [2018-04-09 21:02:48,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-09 21:02:48,662 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 60 [2018-04-09 21:02:48,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 21:02:48,663 INFO L225 Difference]: With dead ends: 277 [2018-04-09 21:02:48,664 INFO L226 Difference]: Without dead ends: 142 [2018-04-09 21:02:48,664 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 104 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 10.8s TimeCoverageRelationStatistics Valid=63, Invalid=208, Unknown=1, NotChecked=0, Total=272 [2018-04-09 21:02:48,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2018-04-09 21:02:48,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 140. [2018-04-09 21:02:48,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-04-09 21:02:48,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 145 transitions. [2018-04-09 21:02:48,671 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 145 transitions. Word has length 60 [2018-04-09 21:02:48,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 21:02:48,671 INFO L459 AbstractCegarLoop]: Abstraction has 140 states and 145 transitions. [2018-04-09 21:02:48,671 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-09 21:02:48,671 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 145 transitions. [2018-04-09 21:02:48,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-04-09 21:02:48,672 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 21:02:48,672 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 21:02:48,672 INFO L408 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr8RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr6RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr7RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr9RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr4RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr5RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__calloc_modelErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__calloc_modelErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr4RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr5RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr2RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr8RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation]=== [2018-04-09 21:02:48,673 INFO L82 PathProgramCache]: Analyzing trace with hash 1935041847, now seen corresponding path program 2 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 21:02:48,687 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 21:02:48,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 21:02:48,836 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 21:02:51,094 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 31 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-04-09 21:02:51,094 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 21:02:51,231 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-04-09 21:02:53,265 WARN L1033 $PredicateComparison]: unable to prove that (and (forall ((v_prenex_11 Int) (v_prenex_10 Int)) (let ((.cse1 (mod (* v_prenex_10 v_prenex_11) 4294967296))) (or (exists ((v_prenex_12 Int)) (let ((.cse0 (mod (* v_prenex_12 v_prenex_11) 4294967296))) (and (<= .cse0 2147483647) (<= .cse0 2) (< 1 .cse0)))) (< 2147483647 .cse1) (not (= .cse1 |c_#Ultimate.C_memset_#amount|))))) (forall ((v___U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb_BEFORE_CALL_5 Int) (v___U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~size_BEFORE_CALL_6 Int)) (let ((.cse3 (mod (* v___U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb_BEFORE_CALL_5 v___U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~size_BEFORE_CALL_6) 4294967296))) (or (exists ((__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb Int)) (let ((.cse2 (mod (* __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb v___U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~size_BEFORE_CALL_6) 4294967296))) (and (<= .cse2 2147483647) (< 1 .cse2) (<= .cse2 2)))) (not (= (+ |c_#Ultimate.C_memset_#amount| 4294967296) .cse3)) (<= .cse3 2147483647))))) is different from true [2018-04-09 21:02:53,269 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-04-09 21:02:53,275 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-04-09 21:02:53,652 WARN L1033 $PredicateComparison]: unable to prove that (let ((.cse0 (< |c_#Ultimate.C_memset_#t~loopctr19| |c_#Ultimate.C_memset_#amount|))) (and (or .cse0 (forall ((v___U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb_BEFORE_CALL_5 Int) (v___U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~size_BEFORE_CALL_6 Int)) (let ((.cse2 (mod (* v___U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb_BEFORE_CALL_5 v___U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~size_BEFORE_CALL_6) 4294967296))) (or (exists ((__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb Int)) (let ((.cse1 (mod (* __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb v___U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~size_BEFORE_CALL_6) 4294967296))) (and (<= .cse1 2147483647) (< 1 .cse1) (<= .cse1 2)))) (not (= (+ |c_#Ultimate.C_memset_#amount| 4294967296) .cse2)) (<= .cse2 2147483647))))) (or .cse0 (forall ((v_prenex_11 Int) (v_prenex_10 Int)) (let ((.cse4 (mod (* v_prenex_10 v_prenex_11) 4294967296))) (or (exists ((v_prenex_12 Int)) (let ((.cse3 (mod (* v_prenex_12 v_prenex_11) 4294967296))) (and (<= .cse3 2147483647) (<= .cse3 2) (< 1 .cse3)))) (< 2147483647 .cse4) (not (= .cse4 |c_#Ultimate.C_memset_#amount|)))))))) is different from true [2018-04-09 21:02:53,657 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-04-09 21:02:55,675 WARN L1033 $PredicateComparison]: unable to prove that (let ((.cse0 (< (+ |c_#Ultimate.C_memset_#t~loopctr19| 1) |c_#Ultimate.C_memset_#amount|))) (and (or .cse0 (forall ((v___U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb_BEFORE_CALL_5 Int) (v___U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~size_BEFORE_CALL_6 Int)) (let ((.cse2 (mod (* v___U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb_BEFORE_CALL_5 v___U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~size_BEFORE_CALL_6) 4294967296))) (or (exists ((__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb Int)) (let ((.cse1 (mod (* __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb v___U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~size_BEFORE_CALL_6) 4294967296))) (and (<= .cse1 2147483647) (< 1 .cse1) (<= .cse1 2)))) (not (= (+ |c_#Ultimate.C_memset_#amount| 4294967296) .cse2)) (<= .cse2 2147483647))))) (or .cse0 (forall ((v_prenex_11 Int) (v_prenex_10 Int)) (let ((.cse4 (mod (* v_prenex_10 v_prenex_11) 4294967296))) (or (exists ((v_prenex_12 Int)) (let ((.cse3 (mod (* v_prenex_12 v_prenex_11) 4294967296))) (and (<= .cse3 2147483647) (<= .cse3 2) (< 1 .cse3)))) (< 2147483647 .cse4) (not (= .cse4 |c_#Ultimate.C_memset_#amount|)))))))) is different from true [2018-04-09 21:02:55,679 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-04-09 21:02:55,683 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-04-09 21:02:57,691 WARN L1033 $PredicateComparison]: unable to prove that (let ((.cse0 (< (+ |c_#Ultimate.C_memset_#t~loopctr19| 1) |c_#Ultimate.C_memset_#amount|)) (.cse1 (<= |c_#Ultimate.C_memset_#amount| |c_#Ultimate.C_memset_#t~loopctr19|))) (and (or .cse0 .cse1 (forall ((v_prenex_11 Int) (v_prenex_10 Int)) (let ((.cse3 (mod (* v_prenex_10 v_prenex_11) 4294967296))) (or (exists ((v_prenex_12 Int)) (let ((.cse2 (mod (* v_prenex_12 v_prenex_11) 4294967296))) (and (<= .cse2 2147483647) (<= .cse2 2) (< 1 .cse2)))) (< 2147483647 .cse3) (not (= .cse3 |c_#Ultimate.C_memset_#amount|)))))) (or .cse0 .cse1 (forall ((v___U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb_BEFORE_CALL_5 Int) (v___U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~size_BEFORE_CALL_6 Int)) (let ((.cse5 (mod (* v___U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb_BEFORE_CALL_5 v___U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~size_BEFORE_CALL_6) 4294967296))) (or (exists ((__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb Int)) (let ((.cse4 (mod (* __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb v___U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~size_BEFORE_CALL_6) 4294967296))) (and (<= .cse4 2147483647) (< 1 .cse4) (<= .cse4 2)))) (not (= (+ |c_#Ultimate.C_memset_#amount| 4294967296) .cse5)) (<= .cse5 2147483647))))))) is different from true [2018-04-09 21:02:57,696 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-04-09 21:02:59,187 WARN L1033 $PredicateComparison]: unable to prove that (let ((.cse0 (< (+ |c_#Ultimate.C_memset_#t~loopctr19| 2) |c_#Ultimate.C_memset_#amount|)) (.cse1 (<= |c_#Ultimate.C_memset_#amount| (+ |c_#Ultimate.C_memset_#t~loopctr19| 1)))) (and (or .cse0 .cse1 (forall ((v___U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb_BEFORE_CALL_5 Int) (v___U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~size_BEFORE_CALL_6 Int)) (let ((.cse3 (mod (* v___U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb_BEFORE_CALL_5 v___U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~size_BEFORE_CALL_6) 4294967296))) (or (exists ((__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb Int)) (let ((.cse2 (mod (* __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb v___U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~size_BEFORE_CALL_6) 4294967296))) (and (<= .cse2 2147483647) (< 1 .cse2) (<= .cse2 2)))) (not (= (+ |c_#Ultimate.C_memset_#amount| 4294967296) .cse3)) (<= .cse3 2147483647))))) (or .cse0 .cse1 (forall ((v_prenex_11 Int) (v_prenex_10 Int)) (let ((.cse5 (mod (* v_prenex_10 v_prenex_11) 4294967296))) (or (exists ((v_prenex_12 Int)) (let ((.cse4 (mod (* v_prenex_12 v_prenex_11) 4294967296))) (and (<= .cse4 2147483647) (<= .cse4 2) (< 1 .cse4)))) (< 2147483647 .cse5) (not (= .cse5 |c_#Ultimate.C_memset_#amount|)))))))) is different from true [2018-04-09 21:02:59,191 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-04-09 21:02:59,196 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-04-09 21:03:01,195 WARN L1033 $PredicateComparison]: unable to prove that (let ((.cse0 (< (+ |c_#Ultimate.C_memset_#t~loopctr19| 2) |c_#Ultimate.C_memset_#amount|)) (.cse1 (<= |c_#Ultimate.C_memset_#amount| |c_#Ultimate.C_memset_#t~loopctr19|)) (.cse2 (<= |c_#Ultimate.C_memset_#amount| (+ |c_#Ultimate.C_memset_#t~loopctr19| 1)))) (and (or .cse0 .cse1 .cse2 (forall ((v_prenex_11 Int) (v_prenex_10 Int)) (let ((.cse4 (mod (* v_prenex_10 v_prenex_11) 4294967296))) (or (exists ((v_prenex_12 Int)) (let ((.cse3 (mod (* v_prenex_12 v_prenex_11) 4294967296))) (and (<= .cse3 2147483647) (<= .cse3 2) (< 1 .cse3)))) (< 2147483647 .cse4) (not (= .cse4 |c_#Ultimate.C_memset_#amount|)))))) (or .cse0 .cse1 .cse2 (forall ((v___U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb_BEFORE_CALL_5 Int) (v___U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~size_BEFORE_CALL_6 Int)) (let ((.cse6 (mod (* v___U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb_BEFORE_CALL_5 v___U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~size_BEFORE_CALL_6) 4294967296))) (or (exists ((__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb Int)) (let ((.cse5 (mod (* __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb v___U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~size_BEFORE_CALL_6) 4294967296))) (and (<= .cse5 2147483647) (< 1 .cse5) (<= .cse5 2)))) (not (= (+ |c_#Ultimate.C_memset_#amount| 4294967296) .cse6)) (<= .cse6 2147483647))))))) is different from true [2018-04-09 21:03:01,199 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-04-09 21:03:01,313 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 5 not checked. [2018-04-09 21:03:01,334 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 21:03:01,335 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2018-04-09 21:03:01,335 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-09 21:03:01,335 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-09 21:03:01,335 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=109, Unknown=7, NotChecked=150, Total=306 [2018-04-09 21:03:01,336 INFO L87 Difference]: Start difference. First operand 140 states and 145 transitions. Second operand 18 states. [2018-04-09 21:03:07,016 WARN L1011 $PredicateComparison]: unable to prove that (and (<= |c_#Ultimate.C_memset_#t~loopctr19| 2) (< 1 |c_#Ultimate.C_memset_#amount|) (<= |c_#Ultimate.C_memset_#amount| 2) (forall ((v_prenex_11 Int) (v_prenex_10 Int)) (let ((.cse1 (mod (* v_prenex_10 v_prenex_11) 4294967296))) (or (exists ((v_prenex_12 Int)) (let ((.cse0 (mod (* v_prenex_12 v_prenex_11) 4294967296))) (and (<= .cse0 2147483647) (<= .cse0 2) (< 1 .cse0)))) (< 2147483647 .cse1) (not (= .cse1 |c_#Ultimate.C_memset_#amount|))))) (forall ((v___U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb_BEFORE_CALL_5 Int) (v___U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~size_BEFORE_CALL_6 Int)) (let ((.cse3 (mod (* v___U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb_BEFORE_CALL_5 v___U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~size_BEFORE_CALL_6) 4294967296))) (or (exists ((__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb Int)) (let ((.cse2 (mod (* __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb v___U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~size_BEFORE_CALL_6) 4294967296))) (and (<= .cse2 2147483647) (< 1 .cse2) (<= .cse2 2)))) (not (= (+ |c_#Ultimate.C_memset_#amount| 4294967296) .cse3)) (<= .cse3 2147483647))))) is different from false [2018-04-09 21:03:09,023 WARN L1011 $PredicateComparison]: unable to prove that (and (< 1 |c_#Ultimate.C_memset_#amount|) (<= |c_#Ultimate.C_memset_#amount| 2) (forall ((v_prenex_11 Int) (v_prenex_10 Int)) (let ((.cse1 (mod (* v_prenex_10 v_prenex_11) 4294967296))) (or (exists ((v_prenex_12 Int)) (let ((.cse0 (mod (* v_prenex_12 v_prenex_11) 4294967296))) (and (<= .cse0 2147483647) (<= .cse0 2) (< 1 .cse0)))) (< 2147483647 .cse1) (not (= .cse1 |c_#Ultimate.C_memset_#amount|))))) (forall ((v___U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb_BEFORE_CALL_5 Int) (v___U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~size_BEFORE_CALL_6 Int)) (let ((.cse3 (mod (* v___U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb_BEFORE_CALL_5 v___U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~size_BEFORE_CALL_6) 4294967296))) (or (exists ((__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb Int)) (let ((.cse2 (mod (* __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb v___U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~size_BEFORE_CALL_6) 4294967296))) (and (<= .cse2 2147483647) (< 1 .cse2) (<= .cse2 2)))) (not (= (+ |c_#Ultimate.C_memset_#amount| 4294967296) .cse3)) (<= .cse3 2147483647))))) is different from false [2018-04-09 21:03:11,025 WARN L1033 $PredicateComparison]: unable to prove that (and (< 1 |c_#Ultimate.C_memset_#amount|) (<= |c_#Ultimate.C_memset_#amount| 2) (forall ((v_prenex_11 Int) (v_prenex_10 Int)) (let ((.cse1 (mod (* v_prenex_10 v_prenex_11) 4294967296))) (or (exists ((v_prenex_12 Int)) (let ((.cse0 (mod (* v_prenex_12 v_prenex_11) 4294967296))) (and (<= .cse0 2147483647) (<= .cse0 2) (< 1 .cse0)))) (< 2147483647 .cse1) (not (= .cse1 |c_#Ultimate.C_memset_#amount|))))) (forall ((v___U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb_BEFORE_CALL_5 Int) (v___U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~size_BEFORE_CALL_6 Int)) (let ((.cse3 (mod (* v___U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb_BEFORE_CALL_5 v___U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~size_BEFORE_CALL_6) 4294967296))) (or (exists ((__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb Int)) (let ((.cse2 (mod (* __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb v___U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~size_BEFORE_CALL_6) 4294967296))) (and (<= .cse2 2147483647) (< 1 .cse2) (<= .cse2 2)))) (not (= (+ |c_#Ultimate.C_memset_#amount| 4294967296) .cse3)) (<= .cse3 2147483647))))) is different from true [2018-04-09 21:03:13,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 21:03:13,059 INFO L93 Difference]: Finished difference Result 283 states and 297 transitions. [2018-04-09 21:03:13,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-09 21:03:13,060 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 66 [2018-04-09 21:03:13,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 21:03:13,061 INFO L225 Difference]: With dead ends: 283 [2018-04-09 21:03:13,061 INFO L226 Difference]: Without dead ends: 145 [2018-04-09 21:03:13,062 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 113 SyntacticMatches, 7 SemanticMatches, 18 ConstructedPredicates, 8 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 19.8s TimeCoverageRelationStatistics Valid=44, Invalid=110, Unknown=10, NotChecked=216, Total=380 [2018-04-09 21:03:13,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-04-09 21:03:13,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 143. [2018-04-09 21:03:13,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-04-09 21:03:13,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 148 transitions. [2018-04-09 21:03:13,072 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 148 transitions. Word has length 66 [2018-04-09 21:03:13,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 21:03:13,073 INFO L459 AbstractCegarLoop]: Abstraction has 143 states and 148 transitions. [2018-04-09 21:03:13,073 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-09 21:03:13,073 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 148 transitions. [2018-04-09 21:03:13,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-04-09 21:03:13,074 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 21:03:13,074 INFO L355 BasicCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 21:03:13,075 INFO L408 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr8RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr6RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr7RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr9RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr4RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr5RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__calloc_modelErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__calloc_modelErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr4RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr5RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr2RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr8RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation]=== [2018-04-09 21:03:13,075 INFO L82 PathProgramCache]: Analyzing trace with hash 2055684293, now seen corresponding path program 3 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 21:03:13,084 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 21:03:13,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 21:03:13,300 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 21:03:13,409 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 48 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-04-09 21:03:13,410 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 21:03:19,200 WARN L151 SmtUtils]: Spent 3532ms on a formula simplification. DAG size of input: 47 DAG size of output 37 [2018-04-09 21:03:23,731 WARN L148 SmtUtils]: Spent 4119ms on a formula simplification that was a NOOP. DAG size: 45 [2018-04-09 21:03:23,947 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 43 proven. 12 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-04-09 21:03:23,969 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 21:03:23,969 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10] total 20 [2018-04-09 21:03:23,969 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-04-09 21:03:23,969 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-04-09 21:03:23,969 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=312, Unknown=1, NotChecked=0, Total=380 [2018-04-09 21:03:23,970 INFO L87 Difference]: Start difference. First operand 143 states and 148 transitions. Second operand 20 states. [2018-04-09 21:03:28,542 WARN L148 SmtUtils]: Spent 4215ms on a formula simplification that was a NOOP. DAG size: 57 [2018-04-09 21:03:28,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 21:03:28,579 INFO L93 Difference]: Finished difference Result 289 states and 303 transitions. [2018-04-09 21:03:28,580 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-09 21:03:28,580 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 72 [2018-04-09 21:03:28,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 21:03:28,581 INFO L225 Difference]: With dead ends: 289 [2018-04-09 21:03:28,581 INFO L226 Difference]: Without dead ends: 148 [2018-04-09 21:03:28,582 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 122 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 14.7s TimeCoverageRelationStatistics Valid=97, Invalid=454, Unknown=1, NotChecked=0, Total=552 [2018-04-09 21:03:28,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-04-09 21:03:28,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 146. [2018-04-09 21:03:28,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-04-09 21:03:28,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 151 transitions. [2018-04-09 21:03:28,589 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 151 transitions. Word has length 72 [2018-04-09 21:03:28,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 21:03:28,590 INFO L459 AbstractCegarLoop]: Abstraction has 146 states and 151 transitions. [2018-04-09 21:03:28,590 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-04-09 21:03:28,590 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 151 transitions. [2018-04-09 21:03:28,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-04-09 21:03:28,591 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 21:03:28,591 INFO L355 BasicCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 21:03:28,591 INFO L408 AbstractCegarLoop]: === Iteration 10 === [__U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr8RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr6RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr7RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr9RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr4RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr5RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__calloc_modelErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__calloc_modelErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr4RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr5RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr2RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr8RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation]=== [2018-04-09 21:03:28,591 INFO L82 PathProgramCache]: Analyzing trace with hash 1763942647, now seen corresponding path program 4 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 21:03:28,597 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 21:03:28,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 21:03:28,630 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 21:03:28,637 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 30 treesize of output 29 [2018-04-09 21:03:28,638 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 21:03:28,660 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 27 treesize of output 26 [2018-04-09 21:03:28,660 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:03:28,682 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 29 treesize of output 28 [2018-04-09 21:03:28,683 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-09 21:03:28,685 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 26 treesize of output 25 [2018-04-09 21:03:28,685 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 21:03:28,711 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 21:03:28,711 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:58, output treesize:54 [2018-04-09 21:03:29,244 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 21:03:29,245 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 21:03:29,245 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-09 21:03:29,246 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 21:03:29,262 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 16 treesize of output 19 [2018-04-09 21:03:29,262 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:03:29,282 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-04-09 21:03:29,282 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:43, output treesize:36 [2018-04-09 21:03:29,391 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 80 proven. 10 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-04-09 21:03:29,391 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 21:03:31,972 WARN L151 SmtUtils]: Spent 2057ms on a formula simplification. DAG size of input: 39 DAG size of output 34 [2018-04-09 21:03:31,993 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 42