java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/array-memsafety/cstrcmp-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-835382a-m [2018-04-05 15:30:04,210 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-05 15:30:04,213 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-05 15:30:04,260 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-04-05 15:30:04,330 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf [2018-04-05 15:30:04,446 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-05 15:30:04,447 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-05 15:30:04,447 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-04-05 15:30:04,447 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-04-05 15:30:04,448 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-04-05 15:30:04,448 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-04-05 15:30:04,452 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-04-05 15:30:04,453 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-04-05 15:30:04,453 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-04-05 15:30:04,454 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-04-05 15:30:04,454 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-04-05 15:30:04,454 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-05 15:30:04,456 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-05 15:30:04,457 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-05 15:30:04,457 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-05 15:30:04,457 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-05 15:30:04,457 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-05 15:30:04,458 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-05 15:30:04,458 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-04-05 15:30:04,458 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-05 15:30:04,462 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-05 15:30:04,462 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-05 15:30:04,463 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-04-05 15:30:04,463 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-04-05 15:30:04,463 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-05 15:30:04,463 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-05 15:30:04,463 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-05 15:30:04,464 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-05 15:30:04,464 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-05 15:30:04,464 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-04-05 15:30:04,464 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-04-05 15:30:04,464 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 15:30:04,466 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-04-05 15:30:04,467 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-04-05 15:30:04,467 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-04-05 15:30:04,468 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-04-05 15:30:04,471 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-04-05 15:30:04,557 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-05 15:30:04,581 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-05 15:30:04,592 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-05 15:30:04,594 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-05 15:30:04,595 INFO L276 PluginConnector]: CDTParser initialized [2018-04-05 15:30:04,595 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,246 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG7821ac54d [2018-04-05 15:30:05,889 INFO L287 CDTParser]: IsIndexed: true [2018-04-05 15:30:05,890 INFO L288 CDTParser]: Found 1 translation units. [2018-04-05 15:30:05,891 INFO L168 CDTParser]: Scanning cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,919 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-05 15:30:05,926 INFO L215 ultiparseSymbolTable]: [2018-04-05 15:30:05,926 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-05 15:30:05,926 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_32 ('__bswap_32') in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,926 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,926 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__ ('') in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,927 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_64 ('__bswap_64') in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,927 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-05 15:30:05,927 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____pid_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,927 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____syscall_slong_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,927 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____u_quad_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,927 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____ino_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,927 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__ushort in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,928 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____ino64_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,928 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____loff_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,928 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____quad_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,928 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____sigset_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,928 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____uint16_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,928 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____blkcnt_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,928 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__daddr_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,929 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__quad_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,935 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__int64_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,935 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__fsid_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,935 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__u_int16_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,935 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_cond_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,936 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____clock_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,936 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____gid_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,936 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_spinlock_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,936 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____WAIT_STATUS in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,936 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____u_int in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,936 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____key_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,936 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____uint8_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,936 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____daddr_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,937 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__u_char in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,937 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__loff_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,937 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__blkcnt_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,937 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____clockid_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,937 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__wchar_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,937 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____pthread_list_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,937 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_barrierattr_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,937 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____useconds_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,938 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____int64_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,938 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_barrier_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,938 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____uid_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,938 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____off64_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,938 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____sig_atomic_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,938 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____u_char in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,938 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____fsblkcnt_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,938 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_key_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,945 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____fsblkcnt64_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,945 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____id_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,945 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__u_int32_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,946 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,946 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_rwlock_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,946 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____fd_mask in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,946 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__sigset_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,946 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__id_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,946 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____syscall_ulong_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,946 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__dev_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,946 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____nlink_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,947 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__u_int8_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,947 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__clockid_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,947 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__timer_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,947 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__uint in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,947 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__nlink_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,947 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__int32_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,947 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____fsword_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,947 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__ssize_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,948 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__fd_mask in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,948 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____uint64_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,948 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,948 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____off_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,948 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____blkcnt64_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,948 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__fsfilcnt_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,948 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__size_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,948 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____time_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,949 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____timer_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,962 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_mutexattr_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,962 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__key_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,962 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____fsfilcnt_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,962 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__int8_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,962 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____ssize_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,962 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____mode_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,963 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__u_int in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,963 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____int32_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,963 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____intptr_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,963 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__div_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,963 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__off_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,963 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__fsblkcnt_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,963 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____suseconds_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,963 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__time_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,964 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____rlim64_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,964 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__u_int64_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,964 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__uid_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,964 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__lldiv_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,964 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____rlim_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,964 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____socklen_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,964 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__register_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,964 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____fsfilcnt64_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,965 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_mutex_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,971 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__ldiv_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,972 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__ino_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,972 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____caddr_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,972 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__u_quad_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,972 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_attr_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,972 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____dev_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,972 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__int16_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,972 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__blksize_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,972 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____qaddr_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,973 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_condattr_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,973 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____blksize_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,973 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_once_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,973 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____uint32_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,973 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____u_long in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,973 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____int16_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,973 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__u_short in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,974 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__gid_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,974 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____int8_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,974 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__caddr_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,974 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__fd_set in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,974 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____fsid_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,974 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__mode_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,974 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__suseconds_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,974 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____u_short in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,974 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__clock_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,975 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__ulong in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,986 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__pid_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:05,986 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__u_long in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:06,075 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG7821ac54d [2018-04-05 15:30:06,089 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-05 15:30:06,094 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-05 15:30:06,096 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-05 15:30:06,096 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-05 15:30:06,118 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-05 15:30:06,119 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 03:30:06" (1/1) ... [2018-04-05 15:30:06,123 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60c8918e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:30:06, skipping insertion in model container [2018-04-05 15:30:06,126 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 03:30:06" (1/1) ... [2018-04-05 15:30:06,149 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-05 15:30:06,246 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-05 15:30:06,616 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-05 15:30:06,792 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-05 15:30:06,808 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-05 15:30:06,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:30:06 WrapperNode [2018-04-05 15:30:06,921 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-05 15:30:06,930 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-05 15:30:06,930 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-05 15:30:06,931 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-05 15:30:06,966 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:30:06" (1/1) ... [2018-04-05 15:30:06,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:30:06" (1/1) ... [2018-04-05 15:30:07,026 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:30:06" (1/1) ... [2018-04-05 15:30:07,027 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:30:06" (1/1) ... [2018-04-05 15:30:07,076 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:30:06" (1/1) ... [2018-04-05 15:30:07,092 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:30:06" (1/1) ... [2018-04-05 15:30:07,101 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:30:06" (1/1) ... [2018-04-05 15:30:07,115 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-05 15:30:07,123 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-05 15:30:07,124 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-05 15:30:07,124 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-05 15:30:07,125 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:30:06" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-05 15:30:07,554 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-05 15:30:07,554 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-05 15:30:07,554 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-05 15:30:07,555 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-05 15:30:07,555 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrcmp [2018-04-05 15:30:07,555 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-05 15:30:07,555 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-05 15:30:07,555 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-05 15:30:07,555 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-05 15:30:07,555 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-05 15:30:07,556 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-05 15:30:07,556 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-05 15:30:07,556 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-05 15:30:07,556 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-05 15:30:07,556 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-05 15:30:07,556 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-05 15:30:07,556 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-05 15:30:07,557 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-05 15:30:07,557 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-05 15:30:07,557 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-05 15:30:07,557 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-05 15:30:07,557 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-05 15:30:07,557 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-05 15:30:07,557 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-05 15:30:07,558 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-05 15:30:07,563 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-05 15:30:07,563 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-05 15:30:07,563 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-05 15:30:07,563 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-05 15:30:07,563 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-05 15:30:07,564 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-05 15:30:07,564 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-05 15:30:07,564 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-05 15:30:07,564 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-05 15:30:07,564 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-05 15:30:07,564 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-05 15:30:07,564 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-05 15:30:07,565 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-05 15:30:07,565 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-05 15:30:07,565 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-05 15:30:07,565 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-05 15:30:07,565 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-05 15:30:07,565 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-05 15:30:07,565 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-05 15:30:07,566 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-05 15:30:07,577 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-05 15:30:07,577 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-05 15:30:07,577 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-05 15:30:07,577 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-05 15:30:07,577 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-05 15:30:07,578 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-05 15:30:07,578 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-05 15:30:07,578 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-05 15:30:07,578 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-05 15:30:07,578 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-05 15:30:07,578 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-05 15:30:07,578 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-05 15:30:07,579 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-05 15:30:07,579 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-05 15:30:07,579 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-05 15:30:07,579 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-05 15:30:07,579 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-05 15:30:07,579 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-05 15:30:07,579 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-05 15:30:07,579 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-05 15:30:07,580 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-05 15:30:07,580 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-05 15:30:07,580 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-05 15:30:07,580 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-05 15:30:07,580 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-05 15:30:07,580 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-05 15:30:07,580 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-05 15:30:07,581 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-05 15:30:07,593 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-05 15:30:07,593 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-05 15:30:07,593 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-05 15:30:07,593 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-05 15:30:07,593 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-05 15:30:07,594 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-05 15:30:07,594 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-05 15:30:07,594 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-05 15:30:07,594 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-05 15:30:07,594 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-05 15:30:07,594 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-05 15:30:07,599 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-05 15:30:07,599 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-05 15:30:07,599 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-05 15:30:07,599 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-05 15:30:07,599 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-05 15:30:07,600 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-05 15:30:07,600 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-05 15:30:07,600 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-05 15:30:07,600 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-05 15:30:07,600 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-05 15:30:07,600 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-05 15:30:07,600 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-05 15:30:07,600 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-05 15:30:07,603 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-05 15:30:07,603 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-05 15:30:07,603 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-05 15:30:07,603 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-05 15:30:07,603 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-05 15:30:07,604 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-05 15:30:07,604 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-05 15:30:07,604 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-05 15:30:07,604 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-05 15:30:07,604 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-05 15:30:07,604 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-05 15:30:07,604 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-05 15:30:07,605 INFO L128 BoogieDeclarations]: Found specification of procedure cstrcmp [2018-04-05 15:30:07,605 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-05 15:30:07,605 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-05 15:30:07,605 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-05 15:30:07,605 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-05 15:30:07,605 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-05 15:30:07,605 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-05 15:30:07,605 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-05 15:30:07,606 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-05 15:30:08,860 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-05 15:30:08,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 03:30:08 BoogieIcfgContainer [2018-04-05 15:30:08,868 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-05 15:30:08,869 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-05 15:30:08,869 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-05 15:30:08,878 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-05 15:30:08,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 03:30:06" (1/3) ... [2018-04-05 15:30:08,879 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65cc2629 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 03:30:08, skipping insertion in model container [2018-04-05 15:30:08,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:30:06" (2/3) ... [2018-04-05 15:30:08,880 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65cc2629 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 03:30:08, skipping insertion in model container [2018-04-05 15:30:08,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 03:30:08" (3/3) ... [2018-04-05 15:30:08,895 INFO L107 eAbstractionObserver]: Analyzing ICFG cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:30:08,926 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-05 15:30:08,965 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2018-04-05 15:30:09,145 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-05 15:30:09,155 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-05 15:30:09,156 INFO L370 AbstractCegarLoop]: Hoare is true [2018-04-05 15:30:09,156 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-05 15:30:09,156 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-05 15:30:09,156 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-05 15:30:09,156 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-05 15:30:09,156 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-05 15:30:09,156 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-05 15:30:09,157 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-05 15:30:09,207 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states. [2018-04-05 15:30:09,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-05 15:30:09,227 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:30:09,228 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 15:30:09,228 INFO L408 AbstractCegarLoop]: === Iteration 1 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-05 15:30:09,252 INFO L82 PathProgramCache]: Analyzing trace with hash -1028420822, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 15:30:09,301 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:30:09,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:30:09,408 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:30:09,517 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-05 15:30:09,520 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 15:30:09,531 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:30:09,531 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-05 15:30:09,619 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-05 15:30:09,620 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 15:30:09,657 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-05 15:30:09,658 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2018-04-05 15:30:09,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:30:09,699 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:30:09,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:30:09,843 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 15:30:09,843 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-05 15:30:09,850 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-05 15:30:09,891 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-05 15:30:09,891 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-05 15:30:09,894 INFO L87 Difference]: Start difference. First operand 88 states. Second operand 4 states. [2018-04-05 15:30:10,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:30:10,303 INFO L93 Difference]: Finished difference Result 117 states and 122 transitions. [2018-04-05 15:30:10,304 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-05 15:30:10,305 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2018-04-05 15:30:10,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:30:10,333 INFO L225 Difference]: With dead ends: 117 [2018-04-05 15:30:10,333 INFO L226 Difference]: Without dead ends: 84 [2018-04-05 15:30:10,347 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 33 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-05 15:30:10,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2018-04-05 15:30:10,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2018-04-05 15:30:10,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2018-04-05 15:30:10,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 88 transitions. [2018-04-05 15:30:10,480 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 88 transitions. Word has length 19 [2018-04-05 15:30:10,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:30:10,480 INFO L459 AbstractCegarLoop]: Abstraction has 84 states and 88 transitions. [2018-04-05 15:30:10,480 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-05 15:30:10,481 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 88 transitions. [2018-04-05 15:30:10,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-05 15:30:10,481 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:30:10,482 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 15:30:10,482 INFO L408 AbstractCegarLoop]: === Iteration 2 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-05 15:30:10,482 INFO L82 PathProgramCache]: Analyzing trace with hash -1028420821, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 15:30:10,530 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:30:10,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:30:10,587 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:30:10,627 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-05 15:30:10,627 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 15:30:10,685 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 6 treesize of output 5 [2018-04-05 15:30:10,685 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 15:30:10,748 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:30:10,749 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:19, output treesize:17 [2018-04-05 15:30:11,011 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 15:30:11,049 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 15:30:11,053 INFO L303 Elim1Store]: Index analysis took 141 ms [2018-04-05 15:30:11,054 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-05 15:30:11,055 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 15:30:11,213 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-04-05 15:30:11,214 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 15:30:11,289 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:30:11,289 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:28, output treesize:12 [2018-04-05 15:30:11,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:30:11,436 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:30:13,869 WARN L148 SmtUtils]: Spent 2135ms on a formula simplification that was a NOOP. DAG size: 26 [2018-04-05 15:30:14,049 INFO L267 ElimStorePlain]: Start of recursive call 1: End of recursive call: and 1 xjuncts. [2018-04-05 15:30:14,050 INFO L202 ElimStorePlain]: Needed 1 recursive calls to eliminate 5 variables, input treesize:25, output treesize:3 [2018-04-05 15:30:14,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:30:14,147 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 15:30:14,147 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2018-04-05 15:30:14,149 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-05 15:30:14,150 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-05 15:30:14,150 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-04-05 15:30:14,150 INFO L87 Difference]: Start difference. First operand 84 states and 88 transitions. Second operand 9 states. [2018-04-05 15:30:14,436 WARN L148 SmtUtils]: Spent 105ms on a formula simplification that was a NOOP. DAG size: 21 [2018-04-05 15:30:14,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:30:14,811 INFO L93 Difference]: Finished difference Result 84 states and 88 transitions. [2018-04-05 15:30:14,814 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-05 15:30:14,814 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2018-04-05 15:30:14,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:30:14,816 INFO L225 Difference]: With dead ends: 84 [2018-04-05 15:30:14,816 INFO L226 Difference]: Without dead ends: 83 [2018-04-05 15:30:14,818 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-04-05 15:30:14,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2018-04-05 15:30:14,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2018-04-05 15:30:14,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-04-05 15:30:14,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 87 transitions. [2018-04-05 15:30:14,879 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 87 transitions. Word has length 19 [2018-04-05 15:30:14,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:30:14,880 INFO L459 AbstractCegarLoop]: Abstraction has 83 states and 87 transitions. [2018-04-05 15:30:14,880 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-05 15:30:14,880 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 87 transitions. [2018-04-05 15:30:14,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-05 15:30:14,881 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:30:14,881 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 15:30:14,881 INFO L408 AbstractCegarLoop]: === Iteration 3 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-05 15:30:14,881 INFO L82 PathProgramCache]: Analyzing trace with hash -1816274337, 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 [2018-04-05 15:30:14,919 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:30:14,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:30:14,969 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:30:14,995 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-05 15:30:14,995 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 15:30:14,998 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:30:14,998 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-05 15:30:15,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:30:15,037 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:30:15,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:30:15,138 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 15:30:15,139 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-05 15:30:15,139 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-05 15:30:15,140 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-05 15:30:15,140 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-05 15:30:15,140 INFO L87 Difference]: Start difference. First operand 83 states and 87 transitions. Second operand 4 states. [2018-04-05 15:30:15,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:30:15,381 INFO L93 Difference]: Finished difference Result 83 states and 87 transitions. [2018-04-05 15:30:15,381 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-05 15:30:15,382 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-04-05 15:30:15,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:30:15,383 INFO L225 Difference]: With dead ends: 83 [2018-04-05 15:30:15,383 INFO L226 Difference]: Without dead ends: 82 [2018-04-05 15:30:15,388 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-05 15:30:15,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-04-05 15:30:15,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2018-04-05 15:30:15,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-04-05 15:30:15,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 86 transitions. [2018-04-05 15:30:15,404 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 86 transitions. Word has length 20 [2018-04-05 15:30:15,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:30:15,405 INFO L459 AbstractCegarLoop]: Abstraction has 82 states and 86 transitions. [2018-04-05 15:30:15,405 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-05 15:30:15,405 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 86 transitions. [2018-04-05 15:30:15,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-05 15:30:15,406 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:30:15,406 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 15:30:15,406 INFO L408 AbstractCegarLoop]: === Iteration 4 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-05 15:30:15,406 INFO L82 PathProgramCache]: Analyzing trace with hash -1816274336, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 15:30:15,443 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:30:15,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:30:15,485 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:30:15,522 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-05 15:30:15,522 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 15:30:15,575 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:30:15,576 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-04-05 15:30:15,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:30:15,718 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:30:15,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:30:15,930 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 15:30:15,930 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2018-04-05 15:30:15,930 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-05 15:30:15,931 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-05 15:30:15,931 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-04-05 15:30:15,931 INFO L87 Difference]: Start difference. First operand 82 states and 86 transitions. Second operand 7 states. [2018-04-05 15:30:16,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:30:16,293 INFO L93 Difference]: Finished difference Result 82 states and 86 transitions. [2018-04-05 15:30:16,294 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-05 15:30:16,294 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-04-05 15:30:16,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:30:16,295 INFO L225 Difference]: With dead ends: 82 [2018-04-05 15:30:16,295 INFO L226 Difference]: Without dead ends: 81 [2018-04-05 15:30:16,296 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-04-05 15:30:16,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-04-05 15:30:16,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2018-04-05 15:30:16,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-04-05 15:30:16,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 85 transitions. [2018-04-05 15:30:16,331 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 85 transitions. Word has length 20 [2018-04-05 15:30:16,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:30:16,331 INFO L459 AbstractCegarLoop]: Abstraction has 81 states and 85 transitions. [2018-04-05 15:30:16,331 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-05 15:30:16,331 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 85 transitions. [2018-04-05 15:30:16,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-05 15:30:16,332 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:30:16,332 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 15:30:16,332 INFO L408 AbstractCegarLoop]: === Iteration 5 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-05 15:30:16,333 INFO L82 PathProgramCache]: Analyzing trace with hash 2100618370, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 15:30:16,363 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:30:16,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:30:16,423 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:30:16,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:30:16,524 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:30:16,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:30:16,631 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 15:30:16,631 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2018-04-05 15:30:16,632 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-05 15:30:16,632 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-05 15:30:16,632 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-05 15:30:16,632 INFO L87 Difference]: Start difference. First operand 81 states and 85 transitions. Second operand 5 states. [2018-04-05 15:30:16,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:30:16,959 INFO L93 Difference]: Finished difference Result 85 states and 89 transitions. [2018-04-05 15:30:16,960 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-05 15:30:16,960 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2018-04-05 15:30:16,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:30:16,961 INFO L225 Difference]: With dead ends: 85 [2018-04-05 15:30:16,961 INFO L226 Difference]: Without dead ends: 82 [2018-04-05 15:30:16,962 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-05 15:30:16,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-04-05 15:30:16,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 81. [2018-04-05 15:30:16,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-04-05 15:30:16,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 86 transitions. [2018-04-05 15:30:16,991 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 86 transitions. Word has length 27 [2018-04-05 15:30:16,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:30:16,992 INFO L459 AbstractCegarLoop]: Abstraction has 81 states and 86 transitions. [2018-04-05 15:30:16,992 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-05 15:30:16,992 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 86 transitions. [2018-04-05 15:30:16,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-05 15:30:16,993 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:30:16,993 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 15:30:16,993 INFO L408 AbstractCegarLoop]: === Iteration 6 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-05 15:30:16,993 INFO L82 PathProgramCache]: Analyzing trace with hash 2100618371, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 15:30:17,021 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:30:17,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:30:17,083 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:30:17,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:30:17,365 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:30:17,387 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-04-05 15:30:17,388 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 15:30:17,424 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 10 [2018-04-05 15:30:17,424 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 15:30:17,441 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-05 15:30:17,442 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2018-04-05 15:30:17,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:30:17,577 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 15:30:17,577 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2018-04-05 15:30:17,578 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-05 15:30:17,578 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-05 15:30:17,578 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-04-05 15:30:17,579 INFO L87 Difference]: Start difference. First operand 81 states and 86 transitions. Second operand 8 states. [2018-04-05 15:30:18,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:30:18,245 INFO L93 Difference]: Finished difference Result 82 states and 86 transitions. [2018-04-05 15:30:18,245 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-05 15:30:18,245 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 27 [2018-04-05 15:30:18,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:30:18,247 INFO L225 Difference]: With dead ends: 82 [2018-04-05 15:30:18,247 INFO L226 Difference]: Without dead ends: 79 [2018-04-05 15:30:18,247 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 45 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2018-04-05 15:30:18,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-04-05 15:30:18,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2018-04-05 15:30:18,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-04-05 15:30:18,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 83 transitions. [2018-04-05 15:30:18,263 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 83 transitions. Word has length 27 [2018-04-05 15:30:18,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:30:18,264 INFO L459 AbstractCegarLoop]: Abstraction has 79 states and 83 transitions. [2018-04-05 15:30:18,264 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-05 15:30:18,264 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 83 transitions. [2018-04-05 15:30:18,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-04-05 15:30:18,265 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:30:18,265 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 15:30:18,265 INFO L408 AbstractCegarLoop]: === Iteration 7 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-05 15:30:18,265 INFO L82 PathProgramCache]: Analyzing trace with hash 1463970504, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 15:30:18,300 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:30:18,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:30:18,349 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:30:18,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:30:18,423 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:30:18,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:30:18,502 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 15:30:18,502 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2018-04-05 15:30:18,503 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-05 15:30:18,503 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-05 15:30:18,503 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-05 15:30:18,503 INFO L87 Difference]: Start difference. First operand 79 states and 83 transitions. Second operand 5 states. [2018-04-05 15:30:18,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:30:18,846 INFO L93 Difference]: Finished difference Result 105 states and 111 transitions. [2018-04-05 15:30:18,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-05 15:30:18,847 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2018-04-05 15:30:18,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:30:18,849 INFO L225 Difference]: With dead ends: 105 [2018-04-05 15:30:18,849 INFO L226 Difference]: Without dead ends: 103 [2018-04-05 15:30:18,849 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-05 15:30:18,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-04-05 15:30:18,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 92. [2018-04-05 15:30:18,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-04-05 15:30:18,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 100 transitions. [2018-04-05 15:30:18,886 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 100 transitions. Word has length 31 [2018-04-05 15:30:18,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:30:18,887 INFO L459 AbstractCegarLoop]: Abstraction has 92 states and 100 transitions. [2018-04-05 15:30:18,887 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-05 15:30:18,887 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 100 transitions. [2018-04-05 15:30:18,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-04-05 15:30:18,888 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:30:18,888 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 15:30:18,888 INFO L408 AbstractCegarLoop]: === Iteration 8 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-05 15:30:18,889 INFO L82 PathProgramCache]: Analyzing trace with hash 1463970505, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 15:30:18,924 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:30:18,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:30:18,992 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:30:19,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:30:19,222 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:30:19,286 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 10 [2018-04-05 15:30:19,286 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 15:30:19,326 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-04-05 15:30:19,326 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 15:30:19,346 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-05 15:30:19,347 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2018-04-05 15:30:19,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:30:19,453 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 15:30:19,453 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2018-04-05 15:30:19,454 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-05 15:30:19,454 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-05 15:30:19,454 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-04-05 15:30:19,454 INFO L87 Difference]: Start difference. First operand 92 states and 100 transitions. Second operand 8 states. [2018-04-05 15:30:20,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:30:20,017 INFO L93 Difference]: Finished difference Result 103 states and 109 transitions. [2018-04-05 15:30:20,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-05 15:30:20,017 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 31 [2018-04-05 15:30:20,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:30:20,018 INFO L225 Difference]: With dead ends: 103 [2018-04-05 15:30:20,019 INFO L226 Difference]: Without dead ends: 101 [2018-04-05 15:30:20,019 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 53 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2018-04-05 15:30:20,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-04-05 15:30:20,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 92. [2018-04-05 15:30:20,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-04-05 15:30:20,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 98 transitions. [2018-04-05 15:30:20,039 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 98 transitions. Word has length 31 [2018-04-05 15:30:20,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:30:20,039 INFO L459 AbstractCegarLoop]: Abstraction has 92 states and 98 transitions. [2018-04-05 15:30:20,039 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-05 15:30:20,039 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 98 transitions. [2018-04-05 15:30:20,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-04-05 15:30:20,287 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:30:20,287 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 15:30:20,287 INFO L408 AbstractCegarLoop]: === Iteration 9 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-05 15:30:20,287 INFO L82 PathProgramCache]: Analyzing trace with hash 1186763261, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 15:30:20,298 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:30:20,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:30:20,333 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:30:20,380 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:30:20,560 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:30:20,587 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:30:20,641 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 15:30:20,641 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-05 15:30:20,642 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-05 15:30:20,642 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-05 15:30:20,642 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-05 15:30:20,642 INFO L87 Difference]: Start difference. First operand 92 states and 98 transitions. Second operand 3 states. [2018-04-05 15:30:20,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:30:20,683 INFO L93 Difference]: Finished difference Result 152 states and 162 transitions. [2018-04-05 15:30:20,685 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-05 15:30:20,685 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2018-04-05 15:30:20,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:30:20,687 INFO L225 Difference]: With dead ends: 152 [2018-04-05 15:30:20,687 INFO L226 Difference]: Without dead ends: 93 [2018-04-05 15:30:20,688 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-05 15:30:20,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2018-04-05 15:30:20,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2018-04-05 15:30:20,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2018-04-05 15:30:20,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 98 transitions. [2018-04-05 15:30:20,727 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 98 transitions. Word has length 42 [2018-04-05 15:30:20,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:30:20,727 INFO L459 AbstractCegarLoop]: Abstraction has 93 states and 98 transitions. [2018-04-05 15:30:20,727 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-05 15:30:20,727 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 98 transitions. [2018-04-05 15:30:20,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-04-05 15:30:20,735 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:30:20,736 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 15:30:20,736 INFO L408 AbstractCegarLoop]: === Iteration 10 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-05 15:30:20,736 INFO L82 PathProgramCache]: Analyzing trace with hash -207545125, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 15:30:20,760 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:30:20,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:30:20,799 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:30:20,903 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-05 15:30:20,903 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:30:20,932 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-05 15:30:20,996 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 15:30:20,997 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2018-04-05 15:30:20,997 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-05 15:30:20,997 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-05 15:30:20,997 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-05 15:30:20,998 INFO L87 Difference]: Start difference. First operand 93 states and 98 transitions. Second operand 6 states. [2018-04-05 15:30:21,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:30:21,400 INFO L93 Difference]: Finished difference Result 93 states and 98 transitions. [2018-04-05 15:30:21,400 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-05 15:30:21,401 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 45 [2018-04-05 15:30:21,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:30:21,402 INFO L225 Difference]: With dead ends: 93 [2018-04-05 15:30:21,402 INFO L226 Difference]: Without dead ends: 92 [2018-04-05 15:30:21,403 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-04-05 15:30:21,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-04-05 15:30:21,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2018-04-05 15:30:21,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-04-05 15:30:21,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 97 transitions. [2018-04-05 15:30:21,435 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 97 transitions. Word has length 45 [2018-04-05 15:30:21,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:30:21,435 INFO L459 AbstractCegarLoop]: Abstraction has 92 states and 97 transitions. [2018-04-05 15:30:21,435 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-05 15:30:21,436 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 97 transitions. [2018-04-05 15:30:21,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-04-05 15:30:21,448 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:30:21,448 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 15:30:21,448 INFO L408 AbstractCegarLoop]: === Iteration 11 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-05 15:30:21,449 INFO L82 PathProgramCache]: Analyzing trace with hash -207545124, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 15:30:21,473 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:30:21,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:30:21,544 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:30:21,580 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-05 15:30:21,581 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 15:30:21,599 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:30:21,600 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-05 15:30:21,685 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 15:30:21,692 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 15:30:21,693 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-05 15:30:21,693 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 15:30:21,722 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:30:21,723 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:8 [2018-04-05 15:30:21,849 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-04-05 15:30:21,859 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-04-05 15:30:21,859 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 15:30:21,866 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:30:21,896 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-05 15:30:21,896 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:25 [2018-04-05 15:30:21,998 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 26 [2018-04-05 15:30:22,007 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-04-05 15:30:22,007 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 15:30:22,040 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:30:22,077 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-04-05 15:30:22,078 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:39, output treesize:35 [2018-04-05 15:30:22,450 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 26 [2018-04-05 15:30:22,459 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-04-05 15:30:22,459 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 15:30:22,706 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 11 [2018-04-05 15:30:22,707 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-05 15:30:22,729 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-05 15:30:22,859 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-05 15:30:22,860 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:48, output treesize:33 [2018-04-05 15:30:23,057 WARN L151 SmtUtils]: Spent 133ms on a formula simplification. DAG size of input: 17 DAG size of output 17 [2018-04-05 15:30:23,493 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:30:23,494 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:30:24,982 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-04-05 15:30:24,983 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 15:30:25,033 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2018-04-05 15:30:25,128 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-04-05 15:30:25,128 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-05 15:30:25,155 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:30:25,194 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:30:25,195 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:35, output treesize:7 [2018-04-05 15:30:25,431 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:30:25,471 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-05 15:30:25,471 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11] total 24 [2018-04-05 15:30:25,472 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-04-05 15:30:25,472 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-04-05 15:30:25,472 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=524, Unknown=0, NotChecked=0, Total=600 [2018-04-05 15:30:25,473 INFO L87 Difference]: Start difference. First operand 92 states and 97 transitions. Second operand 25 states. [2018-04-05 15:30:27,287 WARN L151 SmtUtils]: Spent 184ms on a formula simplification. DAG size of input: 57 DAG size of output 51 [2018-04-05 15:30:27,660 WARN L151 SmtUtils]: Spent 242ms on a formula simplification. DAG size of input: 61 DAG size of output 54 [2018-04-05 15:30:27,924 WARN L151 SmtUtils]: Spent 106ms on a formula simplification. DAG size of input: 50 DAG size of output 46 [2018-04-05 15:30:28,197 WARN L151 SmtUtils]: Spent 140ms on a formula simplification. DAG size of input: 49 DAG size of output 43 [2018-04-05 15:30:28,527 WARN L151 SmtUtils]: Spent 137ms on a formula simplification. DAG size of input: 56 DAG size of output 52 [2018-04-05 15:30:29,375 WARN L151 SmtUtils]: Spent 213ms on a formula simplification. DAG size of input: 47 DAG size of output 45 [2018-04-05 15:30:30,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:30:30,997 INFO L93 Difference]: Finished difference Result 183 states and 194 transitions. [2018-04-05 15:30:30,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-04-05 15:30:30,998 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 45 [2018-04-05 15:30:30,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:30:31,002 INFO L225 Difference]: With dead ends: 183 [2018-04-05 15:30:31,003 INFO L226 Difference]: Without dead ends: 182 [2018-04-05 15:30:31,004 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 64 SyntacticMatches, 2 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 336 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=273, Invalid=1533, Unknown=0, NotChecked=0, Total=1806 [2018-04-05 15:30:31,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2018-04-05 15:30:31,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 106. [2018-04-05 15:30:31,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-04-05 15:30:31,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 112 transitions. [2018-04-05 15:30:31,025 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 112 transitions. Word has length 45 [2018-04-05 15:30:31,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:30:31,026 INFO L459 AbstractCegarLoop]: Abstraction has 106 states and 112 transitions. [2018-04-05 15:30:31,026 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-04-05 15:30:31,026 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 112 transitions. [2018-04-05 15:30:31,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-04-05 15:30:31,027 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:30:31,028 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 15:30:31,034 INFO L408 AbstractCegarLoop]: === Iteration 12 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-05 15:30:31,035 INFO L82 PathProgramCache]: Analyzing trace with hash -776417631, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 15:30:31,065 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:30:31,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:30:31,098 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:30:31,206 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-04-05 15:30:31,206 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:30:31,239 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-04-05 15:30:31,307 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 15:30:31,307 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2018-04-05 15:30:31,307 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-05 15:30:31,308 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-05 15:30:31,308 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-05 15:30:31,308 INFO L87 Difference]: Start difference. First operand 106 states and 112 transitions. Second operand 6 states. [2018-04-05 15:30:31,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:30:31,627 INFO L93 Difference]: Finished difference Result 106 states and 112 transitions. [2018-04-05 15:30:31,627 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-05 15:30:31,627 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 49 [2018-04-05 15:30:31,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:30:31,628 INFO L225 Difference]: With dead ends: 106 [2018-04-05 15:30:31,628 INFO L226 Difference]: Without dead ends: 104 [2018-04-05 15:30:31,629 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-04-05 15:30:31,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2018-04-05 15:30:31,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2018-04-05 15:30:31,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-04-05 15:30:31,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 110 transitions. [2018-04-05 15:30:31,654 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 110 transitions. Word has length 49 [2018-04-05 15:30:31,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:30:31,654 INFO L459 AbstractCegarLoop]: Abstraction has 104 states and 110 transitions. [2018-04-05 15:30:31,654 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-05 15:30:31,655 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 110 transitions. [2018-04-05 15:30:31,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-04-05 15:30:31,656 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:30:31,656 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 15:30:31,656 INFO L408 AbstractCegarLoop]: === Iteration 13 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-05 15:30:31,656 INFO L82 PathProgramCache]: Analyzing trace with hash -776417630, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 15:30:31,682 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:30:31,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:30:31,740 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:30:31,890 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-04-05 15:30:31,900 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-04-05 15:30:31,926 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 15:30:31,933 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:30:31,982 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-05 15:30:31,982 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:28, output treesize:24 [2018-04-05 15:30:32,565 WARN L148 SmtUtils]: Spent 209ms on a formula simplification that was a NOOP. DAG size: 30 [2018-04-05 15:30:32,936 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 33 [2018-04-05 15:30:32,944 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 22 [2018-04-05 15:30:32,944 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 15:30:33,064 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 20 [2018-04-05 15:30:33,065 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-05 15:30:33,262 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 31 [2018-04-05 15:30:33,264 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 4 xjuncts. [2018-04-05 15:30:33,505 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-04-05 15:30:33,738 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-05 15:30:33,739 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:46, output treesize:66 [2018-04-05 15:30:34,001 WARN L151 SmtUtils]: Spent 199ms on a formula simplification. DAG size of input: 22 DAG size of output 20 [2018-04-05 15:30:34,480 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:30:34,480 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:30:35,452 WARN L148 SmtUtils]: Spent 192ms on a formula simplification that was a NOOP. DAG size: 23 [2018-04-05 15:30:36,861 WARN L148 SmtUtils]: Spent 252ms on a formula simplification that was a NOOP. DAG size: 35 [2018-04-05 15:30:37,367 WARN L151 SmtUtils]: Spent 333ms on a formula simplification. DAG size of input: 65 DAG size of output 53 [2018-04-05 15:30:37,403 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 39 [2018-04-05 15:30:37,404 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 15:30:37,412 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 43 [2018-04-05 15:30:37,412 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 15:30:37,637 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 39 [2018-04-05 15:30:37,638 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-05 15:30:37,646 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 43 [2018-04-05 15:30:37,647 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-05 15:30:37,857 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 38 [2018-04-05 15:30:38,119 WARN L151 SmtUtils]: Spent 260ms on a formula simplification. DAG size of input: 36 DAG size of output 32 [2018-04-05 15:30:38,126 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 22 [2018-04-05 15:30:38,126 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-05 15:30:38,230 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2018-04-05 15:30:38,230 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-05 15:30:38,341 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2018-04-05 15:30:38,341 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-05 15:30:38,391 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:30:38,404 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 26 [2018-04-05 15:30:38,513 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2018-04-05 15:30:38,513 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-05 15:30:38,545 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-04-05 15:30:38,545 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-05 15:30:38,574 INFO L267 ElimStorePlain]: Start of recursive call 10: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:30:38,765 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 40 [2018-04-05 15:30:39,051 WARN L151 SmtUtils]: Spent 283ms on a formula simplification. DAG size of input: 37 DAG size of output 33 [2018-04-05 15:30:39,062 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2018-04-05 15:30:39,063 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-04-05 15:30:39,168 INFO L267 ElimStorePlain]: Start of recursive call 13: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:30:39,177 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 28 [2018-04-05 15:30:39,308 WARN L151 SmtUtils]: Spent 129ms on a formula simplification. DAG size of input: 23 DAG size of output 21 [2018-04-05 15:30:39,315 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-04-05 15:30:39,316 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-04-05 15:30:39,346 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-04-05 15:30:39,346 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-04-05 15:30:39,367 INFO L267 ElimStorePlain]: Start of recursive call 15: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:30:39,499 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-1 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-05 15:30:39,500 INFO L202 ElimStorePlain]: Needed 17 recursive calls to eliminate 10 variables, input treesize:125, output treesize:17 [2018-04-05 15:30:39,957 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:30:40,014 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-05 15:30:40,014 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2018-04-05 15:30:40,014 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-04-05 15:30:40,015 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-04-05 15:30:40,015 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=816, Unknown=0, NotChecked=0, Total=930 [2018-04-05 15:30:40,016 INFO L87 Difference]: Start difference. First operand 104 states and 110 transitions. Second operand 31 states. [2018-04-05 15:30:40,890 WARN L148 SmtUtils]: Spent 382ms on a formula simplification that was a NOOP. DAG size: 16 [2018-04-05 15:30:41,335 WARN L151 SmtUtils]: Spent 131ms on a formula simplification. DAG size of input: 14 DAG size of output 13 [2018-04-05 15:30:43,455 WARN L151 SmtUtils]: Spent 622ms on a formula simplification. DAG size of input: 45 DAG size of output 45 [2018-04-05 15:30:44,326 WARN L151 SmtUtils]: Spent 392ms on a formula simplification. DAG size of input: 53 DAG size of output 49 [2018-04-05 15:30:45,055 WARN L151 SmtUtils]: Spent 234ms on a formula simplification. DAG size of input: 45 DAG size of output 42 [2018-04-05 15:30:45,574 WARN L151 SmtUtils]: Spent 341ms on a formula simplification. DAG size of input: 49 DAG size of output 46 [2018-04-05 15:30:46,060 WARN L151 SmtUtils]: Spent 347ms on a formula simplification. DAG size of input: 61 DAG size of output 53 [2018-04-05 15:30:46,455 WARN L151 SmtUtils]: Spent 281ms on a formula simplification. DAG size of input: 61 DAG size of output 55 [2018-04-05 15:30:46,713 WARN L151 SmtUtils]: Spent 146ms on a formula simplification. DAG size of input: 61 DAG size of output 48 [2018-04-05 15:30:46,946 WARN L151 SmtUtils]: Spent 136ms on a formula simplification. DAG size of input: 56 DAG size of output 47 [2018-04-05 15:30:47,236 WARN L151 SmtUtils]: Spent 232ms on a formula simplification. DAG size of input: 56 DAG size of output 52 [2018-04-05 15:30:49,133 WARN L151 SmtUtils]: Spent 134ms on a formula simplification. DAG size of input: 35 DAG size of output 32 [2018-04-05 15:30:50,654 WARN L148 SmtUtils]: Spent 153ms on a formula simplification that was a NOOP. DAG size: 34 [2018-04-05 15:30:50,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:30:50,783 INFO L93 Difference]: Finished difference Result 185 states and 196 transitions. [2018-04-05 15:30:50,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-04-05 15:30:50,784 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 49 [2018-04-05 15:30:50,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:30:50,786 INFO L225 Difference]: With dead ends: 185 [2018-04-05 15:30:50,786 INFO L226 Difference]: Without dead ends: 183 [2018-04-05 15:30:50,788 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 67 SyntacticMatches, 1 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 748 ImplicationChecksByTransitivity, 11.4s TimeCoverageRelationStatistics Valid=565, Invalid=2857, Unknown=0, NotChecked=0, Total=3422 [2018-04-05 15:30:50,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2018-04-05 15:30:50,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 108. [2018-04-05 15:30:50,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-04-05 15:30:50,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 115 transitions. [2018-04-05 15:30:50,827 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 115 transitions. Word has length 49 [2018-04-05 15:30:50,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:30:50,827 INFO L459 AbstractCegarLoop]: Abstraction has 108 states and 115 transitions. [2018-04-05 15:30:50,827 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-04-05 15:30:50,827 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 115 transitions. [2018-04-05 15:30:50,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-04-05 15:30:50,829 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:30:50,829 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 15:30:50,829 INFO L408 AbstractCegarLoop]: === Iteration 14 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-05 15:30:50,829 INFO L82 PathProgramCache]: Analyzing trace with hash 517065077, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 15:30:50,851 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:30:50,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:30:50,882 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:30:51,147 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 15:30:51,148 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2018-04-05 15:30:51,167 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 15:30:51,168 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-04-05 15:30:51,168 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 15:30:51,206 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:30:51,237 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-05 15:30:51,238 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-04-05 15:30:51,501 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc13.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc13.base| 1))) (and (= (select .cse0 |c_main_#t~malloc14.base|) 0) (= 0 (select |c_old(#valid)| |main_#t~malloc13.base|)) (= |c_#valid| (store (store .cse0 |c_main_#t~malloc14.base| 1) |main_#t~malloc13.base| 0))))) is different from true [2018-04-05 15:30:51,522 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc13.base| Int) (|main_#t~malloc14.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc13.base| 1))) (and (= (select .cse0 |main_#t~malloc14.base|) 0) (= 0 (select |c_old(#valid)| |main_#t~malloc13.base|)) (= |c_#valid| (store (store (store .cse0 |main_#t~malloc14.base| 1) |main_#t~malloc13.base| 0) |main_#t~malloc14.base| 0))))) is different from true [2018-04-05 15:30:51,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:30:51,550 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:30:51,833 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc14.base_14| Int)) (or (= (store (store (store |c_#valid| |v_main_#t~malloc14.base_14| 1) |c_main_#t~malloc13.base| 0) |v_main_#t~malloc14.base_14| 0) |c_old(#valid)|) (not (= 0 (select |c_#valid| |v_main_#t~malloc14.base_14|))))) is different from false [2018-04-05 15:30:51,857 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc13.base_13| Int) (|v_main_#t~malloc14.base_14| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc13.base_13| 1))) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc13.base_13|))) (= (store (store (store .cse0 |v_main_#t~malloc14.base_14| 1) |v_main_#t~malloc13.base_13| 0) |v_main_#t~malloc14.base_14| 0) |c_old(#valid)|) (not (= 0 (select .cse0 |v_main_#t~malloc14.base_14|)))))) is different from false [2018-04-05 15:30:51,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:30:51,969 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 15:30:51,970 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9, 6] imperfect sequences [] total 13 [2018-04-05 15:30:51,970 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-05 15:30:51,970 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-05 15:30:51,971 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=71, Unknown=4, NotChecked=76, Total=182 [2018-04-05 15:30:51,971 INFO L87 Difference]: Start difference. First operand 108 states and 115 transitions. Second operand 14 states. [2018-04-05 15:30:52,047 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc13.base_13| Int) (|v_main_#t~malloc14.base_14| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc13.base_13| 1))) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc13.base_13|))) (= (store (store (store .cse0 |v_main_#t~malloc14.base_14| 1) |v_main_#t~malloc13.base_13| 0) |v_main_#t~malloc14.base_14| 0) |c_old(#valid)|) (not (= 0 (select .cse0 |v_main_#t~malloc14.base_14|))))))) is different from false [2018-04-05 15:30:53,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:30:53,598 INFO L93 Difference]: Finished difference Result 201 states and 214 transitions. [2018-04-05 15:30:53,599 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-05 15:30:53,599 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 54 [2018-04-05 15:30:53,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:30:53,601 INFO L225 Difference]: With dead ends: 201 [2018-04-05 15:30:53,601 INFO L226 Difference]: Without dead ends: 174 [2018-04-05 15:30:53,602 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 96 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=53, Invalid=171, Unknown=6, NotChecked=150, Total=380 [2018-04-05 15:30:53,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2018-04-05 15:30:53,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 171. [2018-04-05 15:30:53,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2018-04-05 15:30:53,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 182 transitions. [2018-04-05 15:30:53,650 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 182 transitions. Word has length 54 [2018-04-05 15:30:53,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:30:53,651 INFO L459 AbstractCegarLoop]: Abstraction has 171 states and 182 transitions. [2018-04-05 15:30:53,651 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-05 15:30:53,651 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 182 transitions. [2018-04-05 15:30:53,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-04-05 15:30:53,652 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:30:53,652 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 15:30:53,653 INFO L408 AbstractCegarLoop]: === Iteration 15 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-05 15:30:53,653 INFO L82 PathProgramCache]: Analyzing trace with hash 2006533223, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 15:30:53,679 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:30:53,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:30:53,747 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:30:53,970 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 15:30:53,971 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 27 [2018-04-05 15:30:53,980 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2018-04-05 15:30:53,980 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 15:30:54,001 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:30:54,023 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-05 15:30:54,023 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-04-05 15:30:54,380 WARN L151 SmtUtils]: Spent 153ms on a formula simplification. DAG size of input: 24 DAG size of output 14 [2018-04-05 15:30:54,407 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc13.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc13.base| 1))) (and (= (select .cse0 |c_main_#t~malloc14.base|) 0) (= 0 (select |c_old(#valid)| |main_#t~malloc13.base|)) (= |c_#valid| (store (store .cse0 |c_main_#t~malloc14.base| 1) |main_#t~malloc13.base| 0))))) is different from true [2018-04-05 15:30:54,436 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc13.base| Int) (|main_#t~malloc14.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc13.base| 1))) (and (= (select .cse0 |main_#t~malloc14.base|) 0) (= 0 (select |c_old(#valid)| |main_#t~malloc13.base|)) (= |c_#valid| (store (store (store .cse0 |main_#t~malloc14.base| 1) |main_#t~malloc13.base| 0) |main_#t~malloc14.base| 0))))) is different from true [2018-04-05 15:30:54,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:30:54,448 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:30:54,702 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc14.base_16| Int)) (or (not (= (select |c_#valid| |v_main_#t~malloc14.base_16|) 0)) (= (store (store (store |c_#valid| |v_main_#t~malloc14.base_16| 1) |c_main_#t~malloc13.base| 0) |v_main_#t~malloc14.base_16| 0) |c_old(#valid)|))) is different from false [2018-04-05 15:30:54,710 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc13.base_15| Int) (|v_main_#t~malloc14.base_16| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc13.base_15| 1))) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc13.base_15|))) (not (= 0 (select .cse0 |v_main_#t~malloc14.base_16|))) (= (store (store (store .cse0 |v_main_#t~malloc14.base_16| 1) |v_main_#t~malloc13.base_15| 0) |v_main_#t~malloc14.base_16| 0) |c_old(#valid)|)))) is different from false [2018-04-05 15:30:54,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:30:54,784 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 15:30:54,784 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9, 6] imperfect sequences [] total 13 [2018-04-05 15:30:54,785 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-05 15:30:54,785 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-05 15:30:54,785 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=71, Unknown=4, NotChecked=76, Total=182 [2018-04-05 15:30:54,785 INFO L87 Difference]: Start difference. First operand 171 states and 182 transitions. Second operand 14 states. [2018-04-05 15:30:54,850 WARN L1011 $PredicateComparison]: unable to prove that (and (forall ((|v_main_#t~malloc13.base_15| Int) (|v_main_#t~malloc14.base_16| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc13.base_15| 1))) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc13.base_15|))) (not (= 0 (select .cse0 |v_main_#t~malloc14.base_16|))) (= (store (store (store .cse0 |v_main_#t~malloc14.base_16| 1) |v_main_#t~malloc13.base_15| 0) |v_main_#t~malloc14.base_16| 0) |c_old(#valid)|)))) (= |c_#valid| |c_old(#valid)|)) is different from false [2018-04-05 15:30:57,151 WARN L151 SmtUtils]: Spent 101ms on a formula simplification. DAG size of input: 22 DAG size of output 20 [2018-04-05 15:30:57,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:30:57,550 INFO L93 Difference]: Finished difference Result 263 states and 279 transitions. [2018-04-05 15:30:57,551 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-05 15:30:57,551 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 55 [2018-04-05 15:30:57,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:30:57,552 INFO L225 Difference]: With dead ends: 263 [2018-04-05 15:30:57,552 INFO L226 Difference]: Without dead ends: 236 [2018-04-05 15:30:57,553 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 98 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=53, Invalid=171, Unknown=6, NotChecked=150, Total=380 [2018-04-05 15:30:57,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2018-04-05 15:30:57,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 170. [2018-04-05 15:30:57,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2018-04-05 15:30:57,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 180 transitions. [2018-04-05 15:30:57,593 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 180 transitions. Word has length 55 [2018-04-05 15:30:57,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:30:57,593 INFO L459 AbstractCegarLoop]: Abstraction has 170 states and 180 transitions. [2018-04-05 15:30:57,599 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-05 15:30:57,599 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 180 transitions. [2018-04-05 15:30:57,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-04-05 15:30:57,600 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:30:57,600 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 15:30:57,600 INFO L408 AbstractCegarLoop]: === Iteration 16 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-05 15:30:57,601 INFO L82 PathProgramCache]: Analyzing trace with hash 981236066, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 15:30:57,628 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:30:57,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:30:57,660 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:30:57,707 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-05 15:30:57,713 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 8 treesize of output 7 [2018-04-05 15:30:57,714 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 15:30:57,723 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:30:57,729 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:30:57,729 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2018-04-05 15:30:58,151 WARN L151 SmtUtils]: Spent 215ms on a formula simplification. DAG size of input: 25 DAG size of output 25 [2018-04-05 15:30:58,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:30:58,855 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:30:59,121 WARN L151 SmtUtils]: Spent 258ms on a formula simplification. DAG size of input: 36 DAG size of output 32 [2018-04-05 15:30:59,238 WARN L148 SmtUtils]: Spent 116ms on a formula simplification that was a NOOP. DAG size: 26 [2018-04-05 15:30:59,440 WARN L148 SmtUtils]: Spent 105ms on a formula simplification that was a NOOP. DAG size: 30 [2018-04-05 15:31:00,824 WARN L151 SmtUtils]: Spent 142ms on a formula simplification. DAG size of input: 33 DAG size of output 27 [2018-04-05 15:31:00,856 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28 [2018-04-05 15:31:01,051 WARN L151 SmtUtils]: Spent 193ms on a formula simplification. DAG size of input: 31 DAG size of output 28 [2018-04-05 15:31:01,057 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2018-04-05 15:31:01,058 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 15:31:01,126 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2018-04-05 15:31:01,131 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-05 15:31:01,193 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 15:31:01,197 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 15:31:01,198 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2018-04-05 15:31:01,211 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-05 15:31:01,281 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-05 15:31:01,288 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 26 [2018-04-05 15:31:01,439 WARN L151 SmtUtils]: Spent 150ms on a formula simplification. DAG size of input: 22 DAG size of output 20 [2018-04-05 15:31:01,443 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2018-04-05 15:31:01,459 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-05 15:31:01,486 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:31:01,558 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:31:01,558 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:52, output treesize:3 [2018-04-05 15:31:01,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:31:01,656 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 15:31:01,656 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [14, 13] imperfect sequences [] total 23 [2018-04-05 15:31:01,656 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-05 15:31:01,657 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-05 15:31:01,657 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=399, Unknown=0, NotChecked=0, Total=506 [2018-04-05 15:31:01,657 INFO L87 Difference]: Start difference. First operand 170 states and 180 transitions. Second operand 23 states. [2018-04-05 15:31:02,539 WARN L151 SmtUtils]: Spent 225ms on a formula simplification. DAG size of input: 28 DAG size of output 28 [2018-04-05 15:31:02,802 WARN L151 SmtUtils]: Spent 145ms on a formula simplification. DAG size of input: 28 DAG size of output 19 [2018-04-05 15:31:03,656 WARN L148 SmtUtils]: Spent 314ms on a formula simplification that was a NOOP. DAG size: 22 [2018-04-05 15:31:04,961 WARN L148 SmtUtils]: Spent 313ms on a formula simplification that was a NOOP. DAG size: 28 [2018-04-05 15:31:05,792 WARN L148 SmtUtils]: Spent 376ms on a formula simplification that was a NOOP. DAG size: 34 [2018-04-05 15:31:06,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:31:06,798 INFO L93 Difference]: Finished difference Result 226 states and 237 transitions. [2018-04-05 15:31:06,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-04-05 15:31:06,799 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 55 [2018-04-05 15:31:06,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:31:06,800 INFO L225 Difference]: With dead ends: 226 [2018-04-05 15:31:06,801 INFO L226 Difference]: Without dead ends: 207 [2018-04-05 15:31:06,802 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 86 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=361, Invalid=1279, Unknown=0, NotChecked=0, Total=1640 [2018-04-05 15:31:06,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2018-04-05 15:31:06,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 182. [2018-04-05 15:31:06,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2018-04-05 15:31:06,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 192 transitions. [2018-04-05 15:31:06,841 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 192 transitions. Word has length 55 [2018-04-05 15:31:06,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:31:06,847 INFO L459 AbstractCegarLoop]: Abstraction has 182 states and 192 transitions. [2018-04-05 15:31:06,847 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-05 15:31:06,847 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 192 transitions. [2018-04-05 15:31:06,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-04-05 15:31:06,848 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:31:06,848 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 15:31:06,848 INFO L408 AbstractCegarLoop]: === Iteration 17 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-05 15:31:06,849 INFO L82 PathProgramCache]: Analyzing trace with hash -1415648830, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 15:31:06,877 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:31:06,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:31:06,905 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:31:07,051 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 15:31:07,052 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 27 [2018-04-05 15:31:07,058 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2018-04-05 15:31:07,059 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 15:31:07,090 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:31:07,122 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-05 15:31:07,123 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-04-05 15:31:07,250 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc13.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc13.base| 1))) (and (= (select .cse0 |c_main_#t~malloc14.base|) 0) (= 0 (select |c_old(#valid)| |main_#t~malloc13.base|)) (= |c_#valid| (store (store .cse0 |c_main_#t~malloc14.base| 1) |main_#t~malloc13.base| 0))))) is different from true [2018-04-05 15:31:07,259 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc13.base| Int) (|main_#t~malloc14.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc13.base| 1))) (and (= (select .cse0 |main_#t~malloc14.base|) 0) (= 0 (select |c_old(#valid)| |main_#t~malloc13.base|)) (= |c_#valid| (store (store (store .cse0 |main_#t~malloc14.base| 1) |main_#t~malloc13.base| 0) |main_#t~malloc14.base| 0))))) is different from true [2018-04-05 15:31:07,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:31:07,271 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:31:07,510 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc14.base_20| Int)) (or (= (store (store (store |c_#valid| |v_main_#t~malloc14.base_20| 1) |c_main_#t~malloc13.base| 0) |v_main_#t~malloc14.base_20| 0) |c_old(#valid)|) (not (= 0 (select |c_#valid| |v_main_#t~malloc14.base_20|))))) is different from false [2018-04-05 15:31:07,534 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc14.base_20| Int) (|v_main_#t~malloc13.base_19| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc13.base_19| 1))) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc13.base_19|))) (not (= 0 (select .cse0 |v_main_#t~malloc14.base_20|))) (= |c_old(#valid)| (store (store (store .cse0 |v_main_#t~malloc14.base_20| 1) |v_main_#t~malloc13.base_19| 0) |v_main_#t~malloc14.base_20| 0))))) is different from false [2018-04-05 15:31:07,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:31:07,671 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 15:31:07,695 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2018-04-05 15:31:07,695 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-05 15:31:07,695 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-05 15:31:07,696 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=45, Unknown=4, NotChecked=60, Total=132 [2018-04-05 15:31:07,696 INFO L87 Difference]: Start difference. First operand 182 states and 192 transitions. Second operand 12 states. [2018-04-05 15:31:07,792 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc14.base_20| Int) (|v_main_#t~malloc13.base_19| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc13.base_19| 1))) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc13.base_19|))) (not (= 0 (select .cse0 |v_main_#t~malloc14.base_20|))) (= |c_old(#valid)| (store (store (store .cse0 |v_main_#t~malloc14.base_20| 1) |v_main_#t~malloc13.base_19| 0) |v_main_#t~malloc14.base_20| 0)))))) is different from false [2018-04-05 15:31:10,304 WARN L151 SmtUtils]: Spent 112ms on a formula simplification. DAG size of input: 21 DAG size of output 20 [2018-04-05 15:31:10,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:31:10,565 INFO L93 Difference]: Finished difference Result 288 states and 304 transitions. [2018-04-05 15:31:10,566 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-05 15:31:10,566 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 55 [2018-04-05 15:31:10,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:31:10,567 INFO L225 Difference]: With dead ends: 288 [2018-04-05 15:31:10,568 INFO L226 Difference]: Without dead ends: 249 [2018-04-05 15:31:10,568 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 99 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=45, Invalid=125, Unknown=6, NotChecked=130, Total=306 [2018-04-05 15:31:10,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2018-04-05 15:31:10,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 184. [2018-04-05 15:31:10,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2018-04-05 15:31:10,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 195 transitions. [2018-04-05 15:31:10,604 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 195 transitions. Word has length 55 [2018-04-05 15:31:10,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:31:10,605 INFO L459 AbstractCegarLoop]: Abstraction has 184 states and 195 transitions. [2018-04-05 15:31:10,605 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-05 15:31:10,605 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 195 transitions. [2018-04-05 15:31:10,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-04-05 15:31:10,612 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:31:10,612 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 15:31:10,612 INFO L408 AbstractCegarLoop]: === Iteration 18 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-05 15:31:10,613 INFO L82 PathProgramCache]: Analyzing trace with hash 1808190736, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 15:31:10,634 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:31:10,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:31:10,695 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:31:10,867 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 15:31:10,868 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 27 [2018-04-05 15:31:10,875 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2018-04-05 15:31:10,875 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 15:31:10,900 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:31:10,925 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-05 15:31:10,926 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-04-05 15:31:11,082 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc13.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc13.base| 1))) (and (= (select .cse0 |c_main_#t~malloc14.base|) 0) (= 0 (select |c_old(#valid)| |main_#t~malloc13.base|)) (= |c_#valid| (store (store .cse0 |c_main_#t~malloc14.base| 1) |main_#t~malloc13.base| 0))))) is different from true [2018-04-05 15:31:11,091 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc13.base| Int) (|main_#t~malloc14.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc13.base| 1))) (and (= (select .cse0 |main_#t~malloc14.base|) 0) (= 0 (select |c_old(#valid)| |main_#t~malloc13.base|)) (= |c_#valid| (store (store (store .cse0 |main_#t~malloc14.base| 1) |main_#t~malloc13.base| 0) |main_#t~malloc14.base| 0))))) is different from true [2018-04-05 15:31:11,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:31:11,116 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:31:11,220 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc14.base_22| Int)) (or (= |c_old(#valid)| (store (store (store |c_#valid| |v_main_#t~malloc14.base_22| 1) |c_main_#t~malloc13.base| 0) |v_main_#t~malloc14.base_22| 0)) (not (= (select |c_#valid| |v_main_#t~malloc14.base_22|) 0)))) is different from false [2018-04-05 15:31:11,240 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc14.base_22| Int) (|v_main_#t~malloc13.base_21| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc13.base_21| 1))) (or (= (store (store (store .cse0 |v_main_#t~malloc14.base_22| 1) |v_main_#t~malloc13.base_21| 0) |v_main_#t~malloc14.base_22| 0) |c_old(#valid)|) (not (= (select |c_#valid| |v_main_#t~malloc13.base_21|) 0)) (not (= (select .cse0 |v_main_#t~malloc14.base_22|) 0))))) is different from false [2018-04-05 15:31:11,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:31:11,429 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 15:31:11,429 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2018-04-05 15:31:11,430 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-05 15:31:11,430 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-05 15:31:11,430 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=45, Unknown=4, NotChecked=60, Total=132 [2018-04-05 15:31:11,431 INFO L87 Difference]: Start difference. First operand 184 states and 195 transitions. Second operand 12 states. [2018-04-05 15:31:11,515 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc14.base_22| Int) (|v_main_#t~malloc13.base_21| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc13.base_21| 1))) (or (= (store (store (store .cse0 |v_main_#t~malloc14.base_22| 1) |v_main_#t~malloc13.base_21| 0) |v_main_#t~malloc14.base_22| 0) |c_old(#valid)|) (not (= (select |c_#valid| |v_main_#t~malloc13.base_21|) 0)) (not (= (select .cse0 |v_main_#t~malloc14.base_22|) 0)))))) is different from false [2018-04-05 15:31:13,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:31:13,709 INFO L93 Difference]: Finished difference Result 187 states and 195 transitions. [2018-04-05 15:31:13,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-05 15:31:13,710 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 56 [2018-04-05 15:31:13,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:31:13,711 INFO L225 Difference]: With dead ends: 187 [2018-04-05 15:31:13,711 INFO L226 Difference]: Without dead ends: 148 [2018-04-05 15:31:13,712 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 101 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=45, Invalid=125, Unknown=6, NotChecked=130, Total=306 [2018-04-05 15:31:13,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-04-05 15:31:13,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 81. [2018-04-05 15:31:13,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-04-05 15:31:13,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 83 transitions. [2018-04-05 15:31:13,752 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 83 transitions. Word has length 56 [2018-04-05 15:31:13,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:31:13,752 INFO L459 AbstractCegarLoop]: Abstraction has 81 states and 83 transitions. [2018-04-05 15:31:13,752 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-05 15:31:13,753 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 83 transitions. [2018-04-05 15:31:13,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-04-05 15:31:13,753 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:31:13,758 INFO L355 BasicCegarLoop]: trace histogram [3, 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] [2018-04-05 15:31:13,758 INFO L408 AbstractCegarLoop]: === Iteration 19 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-05 15:31:13,758 INFO L82 PathProgramCache]: Analyzing trace with hash -324316939, now seen corresponding path program 2 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 15:31:13,786 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:31:13,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:31:13,870 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:31:13,890 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-05 15:31:13,891 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 15:31:13,976 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-05 15:31:13,977 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 15:31:14,009 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:31:14,009 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-04-05 15:31:14,093 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 15:31:14,100 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-04-05 15:31:14,100 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 15:31:14,166 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 15:31:14,171 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 15:31:14,172 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-05 15:31:14,172 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 15:31:14,208 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:31:14,209 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2018-04-05 15:31:14,476 WARN L148 SmtUtils]: Spent 138ms on a formula simplification that was a NOOP. DAG size: 15 [2018-04-05 15:31:14,555 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 12 [2018-04-05 15:31:14,561 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-05 15:31:14,562 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 15:31:14,575 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:31:14,818 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:31:14,818 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:25, output treesize:21 [2018-04-05 15:31:15,033 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 29 [2018-04-05 15:31:15,039 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-04-05 15:31:15,040 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 15:31:15,073 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:31:15,102 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-05 15:31:15,103 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:32, output treesize:28 [2018-04-05 15:31:15,628 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2018-04-05 15:31:15,673 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 12 [2018-04-05 15:31:15,674 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-05 15:31:15,906 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 1 [2018-04-05 15:31:15,906 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-05 15:31:15,978 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-05 15:31:16,026 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-05 15:31:16,026 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:45, output treesize:34 [2018-04-05 15:31:16,662 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:31:16,662 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:31:18,872 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2018-04-05 15:31:18,934 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-04-05 15:31:18,935 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 15:31:18,938 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:31:18,972 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-05 15:31:18,973 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:31, output treesize:35 [2018-04-05 15:31:19,211 WARN L151 SmtUtils]: Spent 108ms on a formula simplification. DAG size of input: 18 DAG size of output 16 [2018-04-05 15:31:21,386 WARN L148 SmtUtils]: Spent 2025ms on a formula simplification that was a NOOP. DAG size: 34 [2018-04-05 15:31:22,259 WARN L148 SmtUtils]: Spent 700ms on a formula simplification that was a NOOP. DAG size: 34 [2018-04-05 15:31:22,310 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:31:22,352 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-05 15:31:22,352 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15] total 31 [2018-04-05 15:31:22,353 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-04-05 15:31:22,353 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-04-05 15:31:22,354 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=896, Unknown=0, NotChecked=0, Total=992 [2018-04-05 15:31:22,354 INFO L87 Difference]: Start difference. First operand 81 states and 83 transitions. Second operand 32 states. [2018-04-05 15:31:23,837 WARN L151 SmtUtils]: Spent 158ms on a formula simplification. DAG size of input: 32 DAG size of output 28 [2018-04-05 15:31:24,530 WARN L151 SmtUtils]: Spent 131ms on a formula simplification. DAG size of input: 45 DAG size of output 39 [2018-04-05 15:31:24,909 WARN L151 SmtUtils]: Spent 219ms on a formula simplification. DAG size of input: 49 DAG size of output 42 [2018-04-05 15:31:25,161 WARN L151 SmtUtils]: Spent 119ms on a formula simplification. DAG size of input: 41 DAG size of output 33 [2018-04-05 15:31:25,586 WARN L151 SmtUtils]: Spent 189ms on a formula simplification. DAG size of input: 57 DAG size of output 43 [2018-04-05 15:31:27,961 WARN L151 SmtUtils]: Spent 2200ms on a formula simplification. DAG size of input: 55 DAG size of output 44 [2018-04-05 15:31:32,999 WARN L151 SmtUtils]: Spent 2937ms on a formula simplification. DAG size of input: 38 DAG size of output 33 [2018-04-05 15:31:33,423 WARN L151 SmtUtils]: Spent 267ms on a formula simplification. DAG size of input: 44 DAG size of output 40 [2018-04-05 15:31:33,914 WARN L151 SmtUtils]: Spent 330ms on a formula simplification. DAG size of input: 48 DAG size of output 43 [2018-04-05 15:31:34,191 WARN L151 SmtUtils]: Spent 143ms on a formula simplification. DAG size of input: 39 DAG size of output 35 [2018-04-05 15:31:38,604 WARN L151 SmtUtils]: Spent 4220ms on a formula simplification. DAG size of input: 56 DAG size of output 47 [2018-04-05 15:31:41,036 WARN L151 SmtUtils]: Spent 2282ms on a formula simplification. DAG size of input: 57 DAG size of output 47 [2018-04-05 15:31:41,433 WARN L151 SmtUtils]: Spent 187ms on a formula simplification. DAG size of input: 40 DAG size of output 34 [2018-04-05 15:31:41,832 WARN L151 SmtUtils]: Spent 246ms on a formula simplification. DAG size of input: 49 DAG size of output 41 [2018-04-05 15:31:42,358 WARN L151 SmtUtils]: Spent 393ms on a formula simplification. DAG size of input: 53 DAG size of output 44 [2018-04-05 15:31:42,739 WARN L151 SmtUtils]: Spent 180ms on a formula simplification. DAG size of input: 44 DAG size of output 38 [2018-04-05 15:31:43,358 WARN L151 SmtUtils]: Spent 275ms on a formula simplification. DAG size of input: 61 DAG size of output 50 [2018-04-05 15:31:43,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:31:43,392 INFO L93 Difference]: Finished difference Result 89 states and 91 transitions. [2018-04-05 15:31:43,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-04-05 15:31:43,393 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 63 [2018-04-05 15:31:43,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:31:43,394 INFO L225 Difference]: With dead ends: 89 [2018-04-05 15:31:43,394 INFO L226 Difference]: Without dead ends: 88 [2018-04-05 15:31:43,395 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 94 SyntacticMatches, 1 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 329 ImplicationChecksByTransitivity, 26.2s TimeCoverageRelationStatistics Valid=483, Invalid=2378, Unknown=1, NotChecked=0, Total=2862 [2018-04-05 15:31:43,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2018-04-05 15:31:43,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 80. [2018-04-05 15:31:43,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-04-05 15:31:43,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 82 transitions. [2018-04-05 15:31:43,419 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 82 transitions. Word has length 63 [2018-04-05 15:31:43,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:31:43,419 INFO L459 AbstractCegarLoop]: Abstraction has 80 states and 82 transitions. [2018-04-05 15:31:43,419 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-04-05 15:31:43,420 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 82 transitions. [2018-04-05 15:31:43,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-04-05 15:31:43,420 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:31:43,426 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2018-04-05 15:31:43,426 INFO L408 AbstractCegarLoop]: === Iteration 20 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-05 15:31:43,426 INFO L82 PathProgramCache]: Analyzing trace with hash 334057019, now seen corresponding path program 2 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 15:31:43,459 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:31:43,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:31:43,512 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:31:43,524 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-05 15:31:43,526 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 15:31:43,551 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:31:43,552 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-05 15:31:43,614 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 12 [2018-04-05 15:31:43,617 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-05 15:31:43,618 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 15:31:43,626 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:31:43,635 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:31:43,635 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:15, output treesize:11 [2018-04-05 15:31:44,353 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 34 [2018-04-05 15:31:44,433 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 33 [2018-04-05 15:31:44,434 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 4 xjuncts. [2018-04-05 15:31:44,675 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 28 [2018-04-05 15:31:44,676 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-05 15:31:44,912 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 17 [2018-04-05 15:31:44,913 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-05 15:31:44,919 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 12 [2018-04-05 15:31:44,920 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-05 15:31:45,113 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-04-05 15:31:45,329 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-04-05 15:31:45,329 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 3 variables, input treesize:44, output treesize:91 [2018-04-05 15:31:45,589 WARN L151 SmtUtils]: Spent 187ms on a formula simplification. DAG size of input: 21 DAG size of output 19 [2018-04-05 15:31:45,843 WARN L151 SmtUtils]: Spent 178ms on a formula simplification. DAG size of input: 18 DAG size of output 16 [2018-04-05 15:31:46,205 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:31:46,205 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:31:47,004 WARN L148 SmtUtils]: Spent 209ms on a formula simplification that was a NOOP. DAG size: 18 [2018-04-05 15:31:49,625 WARN L151 SmtUtils]: Spent 201ms on a formula simplification. DAG size of input: 39 DAG size of output 33 [2018-04-05 15:31:49,661 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2018-04-05 15:31:49,858 WARN L151 SmtUtils]: Spent 195ms on a formula simplification. DAG size of input: 36 DAG size of output 31 [2018-04-05 15:31:49,861 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2018-04-05 15:31:49,862 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 15:31:49,928 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 14 [2018-04-05 15:31:49,929 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-05 15:31:49,992 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15 [2018-04-05 15:31:49,993 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-05 15:31:50,022 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:31:50,073 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-05 15:31:50,073 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:65, output treesize:35 [2018-04-05 15:31:50,310 WARN L151 SmtUtils]: Spent 100ms on a formula simplification. DAG size of input: 18 DAG size of output 16 [2018-04-05 15:31:50,567 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:31:50,611 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-05 15:31:50,612 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 35 [2018-04-05 15:31:50,612 INFO L442 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-04-05 15:31:50,613 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-04-05 15:31:50,613 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=1119, Unknown=0, NotChecked=0, Total=1260 [2018-04-05 15:31:50,613 INFO L87 Difference]: Start difference. First operand 80 states and 82 transitions. Second operand 36 states. [2018-04-05 15:31:52,999 WARN L148 SmtUtils]: Spent 147ms on a formula simplification that was a NOOP. DAG size: 33 [2018-04-05 15:31:53,343 WARN L151 SmtUtils]: Spent 170ms on a formula simplification. DAG size of input: 33 DAG size of output 29 [2018-04-05 15:31:53,732 WARN L151 SmtUtils]: Spent 192ms on a formula simplification. DAG size of input: 37 DAG size of output 33 [2018-04-05 15:31:54,238 WARN L151 SmtUtils]: Spent 368ms on a formula simplification. DAG size of input: 48 DAG size of output 42 [2018-04-05 15:31:54,736 WARN L151 SmtUtils]: Spent 345ms on a formula simplification. DAG size of input: 48 DAG size of output 44 [2018-04-05 15:31:55,133 WARN L151 SmtUtils]: Spent 287ms on a formula simplification. DAG size of input: 48 DAG size of output 38 [2018-04-05 15:31:55,470 WARN L151 SmtUtils]: Spent 210ms on a formula simplification. DAG size of input: 43 DAG size of output 37 [2018-04-05 15:31:56,215 WARN L151 SmtUtils]: Spent 168ms on a formula simplification. DAG size of input: 37 DAG size of output 36 [2018-04-05 15:31:56,584 WARN L151 SmtUtils]: Spent 199ms on a formula simplification. DAG size of input: 38 DAG size of output 36 [2018-04-05 15:31:57,171 WARN L151 SmtUtils]: Spent 117ms on a formula simplification. DAG size of input: 25 DAG size of output 23 [2018-04-05 15:31:57,689 WARN L151 SmtUtils]: Spent 381ms on a formula simplification. DAG size of input: 31 DAG size of output 29 [2018-04-05 15:31:58,304 WARN L151 SmtUtils]: Spent 253ms on a formula simplification. DAG size of input: 38 DAG size of output 36 [2018-04-05 15:31:58,770 WARN L151 SmtUtils]: Spent 313ms on a formula simplification. DAG size of input: 45 DAG size of output 41 [2018-04-05 15:31:59,070 WARN L151 SmtUtils]: Spent 174ms on a formula simplification. DAG size of input: 38 DAG size of output 32 [2018-04-05 15:31:59,445 WARN L151 SmtUtils]: Spent 169ms on a formula simplification. DAG size of input: 42 DAG size of output 36 [2018-04-05 15:31:59,877 WARN L151 SmtUtils]: Spent 296ms on a formula simplification. DAG size of input: 53 DAG size of output 43 [2018-04-05 15:32:00,516 WARN L151 SmtUtils]: Spent 504ms on a formula simplification. DAG size of input: 53 DAG size of output 45 [2018-04-05 15:32:00,983 WARN L151 SmtUtils]: Spent 260ms on a formula simplification. DAG size of input: 53 DAG size of output 38 [2018-04-05 15:32:01,407 WARN L151 SmtUtils]: Spent 317ms on a formula simplification. DAG size of input: 48 DAG size of output 37 [2018-04-05 15:32:01,763 WARN L151 SmtUtils]: Spent 205ms on a formula simplification. DAG size of input: 37 DAG size of output 33 [2018-04-05 15:32:02,002 WARN L151 SmtUtils]: Spent 107ms on a formula simplification. DAG size of input: 35 DAG size of output 31 [2018-04-05 15:32:02,510 WARN L151 SmtUtils]: Spent 154ms on a formula simplification. DAG size of input: 42 DAG size of output 37 [2018-04-05 15:32:02,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:32:02,544 INFO L93 Difference]: Finished difference Result 91 states and 93 transitions. [2018-04-05 15:32:02,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-04-05 15:32:02,545 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 67 [2018-04-05 15:32:02,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:32:02,545 INFO L225 Difference]: With dead ends: 91 [2018-04-05 15:32:02,545 INFO L226 Difference]: Without dead ends: 0 [2018-04-05 15:32:02,547 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 720 ImplicationChecksByTransitivity, 14.8s TimeCoverageRelationStatistics Valid=960, Invalid=3870, Unknown=0, NotChecked=0, Total=4830 [2018-04-05 15:32:02,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-05 15:32:02,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-05 15:32:02,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-05 15:32:02,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-05 15:32:02,548 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 67 [2018-04-05 15:32:02,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:32:02,548 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-05 15:32:02,548 INFO L460 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-04-05 15:32:02,549 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-05 15:32:02,557 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-05 15:32:02,562 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-04-05 15:32:02,825 WARN L151 SmtUtils]: Spent 161ms on a formula simplification. DAG size of input: 101 DAG size of output 101 [2018-04-05 15:32:03,136 WARN L151 SmtUtils]: Spent 309ms on a formula simplification. DAG size of input: 201 DAG size of output 198 [2018-04-05 15:32:03,288 WARN L151 SmtUtils]: Spent 129ms on a formula simplification. DAG size of input: 123 DAG size of output 3 [2018-04-05 15:32:05,939 WARN L151 SmtUtils]: Spent 2648ms on a formula simplification. DAG size of input: 166 DAG size of output 75 [2018-04-05 15:32:35,225 WARN L151 SmtUtils]: Spent 29281ms on a formula simplification. DAG size of input: 239 DAG size of output 116 [2018-04-05 15:32:35,406 WARN L151 SmtUtils]: Spent 174ms on a formula simplification. DAG size of input: 167 DAG size of output 1 [2018-04-05 15:32:35,415 INFO L416 ceAbstractionStarter]: For program point L59(line 59) no Hoare annotation was computed. [2018-04-05 15:32:35,415 INFO L416 ceAbstractionStarter]: For program point L59'(line 59) no Hoare annotation was computed. [2018-04-05 15:32:35,416 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_32EXIT(lines 56 60) no Hoare annotation was computed. [2018-04-05 15:32:35,416 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_32ENTRY(lines 56 60) no Hoare annotation was computed. [2018-04-05 15:32:35,416 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_32FINAL(lines 56 60) no Hoare annotation was computed. [2018-04-05 15:32:35,416 INFO L416 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-04-05 15:32:35,416 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-04-05 15:32:35,416 INFO L412 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-04-05 15:32:35,416 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-04-05 15:32:35,417 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_64ENTRY(lines 61 65) no Hoare annotation was computed. [2018-04-05 15:32:35,417 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_64EXIT(lines 61 65) no Hoare annotation was computed. [2018-04-05 15:32:35,417 INFO L416 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-04-05 15:32:35,417 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_64FINAL(lines 61 65) no Hoare annotation was computed. [2018-04-05 15:32:35,417 INFO L416 ceAbstractionStarter]: For program point L64'(line 64) no Hoare annotation was computed. [2018-04-05 15:32:35,417 INFO L416 ceAbstractionStarter]: For program point cstrcmpErr1RequiresViolation(line 543) no Hoare annotation was computed. [2018-04-05 15:32:35,417 INFO L416 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-04-05 15:32:35,417 INFO L416 ceAbstractionStarter]: For program point L540(lines 540 550) no Hoare annotation was computed. [2018-04-05 15:32:35,417 INFO L416 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-04-05 15:32:35,417 INFO L416 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-04-05 15:32:35,418 INFO L416 ceAbstractionStarter]: For program point L543(lines 543 546) no Hoare annotation was computed. [2018-04-05 15:32:35,418 INFO L416 ceAbstractionStarter]: For program point cstrcmpErr0RequiresViolation(line 543) no Hoare annotation was computed. [2018-04-05 15:32:35,418 INFO L416 ceAbstractionStarter]: For program point L549(line 549) no Hoare annotation was computed. [2018-04-05 15:32:35,418 INFO L416 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-04-05 15:32:35,418 INFO L416 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-04-05 15:32:35,418 INFO L416 ceAbstractionStarter]: For program point cstrcmpErr2RequiresViolation(line 543) no Hoare annotation was computed. [2018-04-05 15:32:35,418 INFO L416 ceAbstractionStarter]: For program point L549'''(line 549) no Hoare annotation was computed. [2018-04-05 15:32:35,418 INFO L416 ceAbstractionStarter]: For program point L549''''(line 549) no Hoare annotation was computed. [2018-04-05 15:32:35,418 INFO L416 ceAbstractionStarter]: For program point L543'''(line 543) no Hoare annotation was computed. [2018-04-05 15:32:35,418 INFO L416 ceAbstractionStarter]: For program point L542'(line 542) no Hoare annotation was computed. [2018-04-05 15:32:35,419 INFO L416 ceAbstractionStarter]: For program point L543'''''''''(line 543) no Hoare annotation was computed. [2018-04-05 15:32:35,420 INFO L416 ceAbstractionStarter]: For program point cstrcmpErr9RequiresViolation(line 548) no Hoare annotation was computed. [2018-04-05 15:32:35,420 INFO L416 ceAbstractionStarter]: For program point cstrcmpErr7RequiresViolation(line 547) no Hoare annotation was computed. [2018-04-05 15:32:35,420 INFO L416 ceAbstractionStarter]: For program point cstrcmpErr4RequiresViolation(line 543) no Hoare annotation was computed. [2018-04-05 15:32:35,420 INFO L416 ceAbstractionStarter]: For program point L543'''''''''''(line 543) no Hoare annotation was computed. [2018-04-05 15:32:35,420 INFO L416 ceAbstractionStarter]: For program point L543'(line 543) no Hoare annotation was computed. [2018-04-05 15:32:35,420 INFO L416 ceAbstractionStarter]: For program point L545''(line 545) no Hoare annotation was computed. [2018-04-05 15:32:35,420 INFO L416 ceAbstractionStarter]: For program point L543''(line 543) no Hoare annotation was computed. [2018-04-05 15:32:35,421 INFO L416 ceAbstractionStarter]: For program point L547'(line 547) no Hoare annotation was computed. [2018-04-05 15:32:35,421 INFO L416 ceAbstractionStarter]: For program point cstrcmpEXIT(lines 540 550) no Hoare annotation was computed. [2018-04-05 15:32:35,421 INFO L416 ceAbstractionStarter]: For program point L543'''''''''''''(line 543) no Hoare annotation was computed. [2018-04-05 15:32:35,421 INFO L416 ceAbstractionStarter]: For program point cstrcmpErr6RequiresViolation(line 547) no Hoare annotation was computed. [2018-04-05 15:32:35,421 INFO L416 ceAbstractionStarter]: For program point L543''''(line 543) no Hoare annotation was computed. [2018-04-05 15:32:35,421 INFO L416 ceAbstractionStarter]: For program point L543'''''(line 543) no Hoare annotation was computed. [2018-04-05 15:32:35,421 INFO L416 ceAbstractionStarter]: For program point L543''''''''''''''''''(lines 543 546) no Hoare annotation was computed. [2018-04-05 15:32:35,421 INFO L416 ceAbstractionStarter]: For program point L549'''''(line 549) no Hoare annotation was computed. [2018-04-05 15:32:35,421 INFO L416 ceAbstractionStarter]: For program point cstrcmpErr5RequiresViolation(line 543) no Hoare annotation was computed. [2018-04-05 15:32:35,421 INFO L416 ceAbstractionStarter]: For program point L544'(line 544) no Hoare annotation was computed. [2018-04-05 15:32:35,422 INFO L416 ceAbstractionStarter]: For program point cstrcmpFINAL(lines 540 550) no Hoare annotation was computed. [2018-04-05 15:32:35,422 INFO L416 ceAbstractionStarter]: For program point L548'(line 548) no Hoare annotation was computed. [2018-04-05 15:32:35,422 INFO L416 ceAbstractionStarter]: For program point L543''''''''(line 543) no Hoare annotation was computed. [2018-04-05 15:32:35,422 INFO L419 ceAbstractionStarter]: At program point cstrcmpENTRY(lines 540 550) the Hoare annotation is: true [2018-04-05 15:32:35,422 INFO L416 ceAbstractionStarter]: For program point cstrcmpErr8RequiresViolation(line 548) no Hoare annotation was computed. [2018-04-05 15:32:35,422 INFO L416 ceAbstractionStarter]: For program point cstrcmpErr3RequiresViolation(line 543) no Hoare annotation was computed. [2018-04-05 15:32:35,422 INFO L416 ceAbstractionStarter]: For program point L543''''''''''(line 543) no Hoare annotation was computed. [2018-04-05 15:32:35,422 INFO L416 ceAbstractionStarter]: For program point L543'''''''(lines 543 546) no Hoare annotation was computed. [2018-04-05 15:32:35,422 INFO L416 ceAbstractionStarter]: For program point L543'''''''''''''''(line 543) no Hoare annotation was computed. [2018-04-05 15:32:35,422 INFO L416 ceAbstractionStarter]: For program point L543''''''''''''''(line 543) no Hoare annotation was computed. [2018-04-05 15:32:35,423 INFO L416 ceAbstractionStarter]: For program point L543''''''''''''''''(line 543) no Hoare annotation was computed. [2018-04-05 15:32:35,423 INFO L412 ceAbstractionStarter]: At program point L543'''''''''''''''''(lines 543 546) the Hoare annotation is: (let ((.cse3 (select |#length| cstrcmp_~s1.base))) (let ((.cse2 (= 1 (select |#valid| cstrcmp_~s1.base))) (.cse1 (= 0 (select (select |#memory_int| cstrcmp_~s1.base) (+ .cse3 (- 1))))) (.cse4 (exists ((main_~length2~0 Int)) (and (= (select (select |#memory_int| |cstrcmp_#in~s2.base|) (+ |cstrcmp_#in~s2.offset| main_~length2~0 (- 1))) 0) (<= 1 main_~length2~0) (<= (+ |cstrcmp_#in~s2.offset| main_~length2~0) (select |#length| |cstrcmp_#in~s2.base|)))))) (or (let ((.cse0 (select |#length| cstrcmp_~s2.base))) (and (= (select (select |#memory_int| cstrcmp_~s2.base) (+ .cse0 (- 1))) 0) .cse1 (<= 1 cstrcmp_~s1.offset) (and .cse2 (<= (+ cstrcmp_~s1.offset 1) .cse3) (= (select |#valid| cstrcmp_~s2.base) 1) (<= (+ cstrcmp_~s2.offset 1) .cse0) (<= 1 cstrcmp_~s2.offset)))) (not (exists ((main_~nondetString2~0.base Int) (main_~nondetString2~0.offset Int)) (and (not (= main_~nondetString2~0.base |cstrcmp_#in~s1.base|)) (= 0 (select (select |#memory_int| main_~nondetString2~0.base) (+ main_~nondetString2~0.offset (select |#length| main_~nondetString2~0.base) (- 1))))))) (and (and .cse2 (= cstrcmp_~s2.base |cstrcmp_#in~s2.base|) (exists ((v_main_~nondetString1~0.offset_BEFORE_CALL_2 Int) (main_~length1~0 Int)) (and (= (select (select |#memory_int| cstrcmp_~s1.base) (+ v_main_~nondetString1~0.offset_BEFORE_CALL_2 main_~length1~0 (- 1))) 0) (<= (+ v_main_~nondetString1~0.offset_BEFORE_CALL_2 main_~length1~0) (select |#length| cstrcmp_~s1.base)) (<= 1 main_~length1~0) (<= cstrcmp_~s1.offset v_main_~nondetString1~0.offset_BEFORE_CALL_2))) (= |cstrcmp_#in~s2.offset| cstrcmp_~s2.offset) (<= 0 cstrcmp_~s1.offset) .cse4) .cse1) (not (= 0 (select (select |#memory_int| |cstrcmp_#in~s1.base|) (+ (select |#length| |cstrcmp_#in~s1.base|) (- 1))))) (not (= (select (select |#memory_int| |cstrcmp_#in~s2.base|) (+ (select |#length| |cstrcmp_#in~s2.base|) (- 1))) 0)) (or (not .cse4) (< |cstrcmp_#in~s2.offset| 0) (not (exists ((v_main_~nondetString1~0.offset_BEFORE_CALL_2 Int) (main_~length1~0 Int)) (and (= 0 (select (select |#memory_int| |cstrcmp_#in~s1.base|) (+ v_main_~nondetString1~0.offset_BEFORE_CALL_2 main_~length1~0 (- 1)))) (<= |cstrcmp_#in~s1.offset| v_main_~nondetString1~0.offset_BEFORE_CALL_2) (<= (+ v_main_~nondetString1~0.offset_BEFORE_CALL_2 main_~length1~0) (select |#length| |cstrcmp_#in~s1.base|)) (<= 1 main_~length1~0)))) (not (= (select |#valid| |cstrcmp_#in~s1.base|) 1)) (not (exists ((|v_main_#t~malloc14.base_BEFORE_CALL_7| Int) (|v_main_#t~malloc13.base_BEFORE_CALL_7| Int)) (and (= (select |#valid| |v_main_#t~malloc14.base_BEFORE_CALL_7|) 1) (not (= |v_main_#t~malloc14.base_BEFORE_CALL_7| |v_main_#t~malloc13.base_BEFORE_CALL_7|)) (= (select |#valid| |v_main_#t~malloc13.base_BEFORE_CALL_7|) 1)))) (< |cstrcmp_#in~s1.offset| 0) (not (= 1 (select |#valid| |cstrcmp_#in~s2.base|))))))) [2018-04-05 15:32:35,423 INFO L416 ceAbstractionStarter]: For program point L544''(line 544) no Hoare annotation was computed. [2018-04-05 15:32:35,423 INFO L416 ceAbstractionStarter]: For program point L545'(line 545) no Hoare annotation was computed. [2018-04-05 15:32:35,423 INFO L416 ceAbstractionStarter]: For program point L548''(line 548) no Hoare annotation was computed. [2018-04-05 15:32:35,424 INFO L416 ceAbstractionStarter]: For program point L549'(line 549) no Hoare annotation was computed. [2018-04-05 15:32:35,424 INFO L419 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-04-05 15:32:35,424 INFO L419 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-04-05 15:32:35,424 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-04-05 15:32:35,424 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-04-05 15:32:35,424 INFO L416 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-04-05 15:32:35,424 INFO L416 ceAbstractionStarter]: For program point mainErr1RequiresViolation(line 562) no Hoare annotation was computed. [2018-04-05 15:32:35,424 INFO L416 ceAbstractionStarter]: For program point L561'(line 561) no Hoare annotation was computed. [2018-04-05 15:32:35,424 INFO L416 ceAbstractionStarter]: For program point L564(line 564) no Hoare annotation was computed. [2018-04-05 15:32:35,425 INFO L412 ceAbstractionStarter]: At program point L563(line 563) the Hoare annotation is: (let ((.cse0 (select |#length| main_~nondetString2~0.base)) (.cse13 (select |#length| main_~nondetString1~0.base))) (and (= .cse0 main_~length2~0) (let ((.cse14 (store |old(#valid)| |main_#t~malloc13.base| 1))) (let ((.cse1 (= 0 main_~nondetString1~0.offset)) (.cse2 (not (= main_~nondetString2~0.base main_~nondetString1~0.base))) (.cse3 (= |main_#t~malloc14.offset| 0)) (.cse4 (= |#valid| (store .cse14 |main_#t~malloc14.base| 1))) (.cse5 (= (select .cse14 |main_#t~malloc14.base|) 0)) (.cse6 (= (select |#length| |main_#t~malloc14.base|) main_~length2~0)) (.cse7 (= (select |#length| |main_#t~malloc13.base|) main_~length1~0)) (.cse8 (exists ((main_~length2~0 Int)) (and (= 0 (select (select |#memory_int| main_~nondetString2~0.base) (+ main_~nondetString2~0.offset main_~length2~0 (- 1)))) (<= 1 main_~length2~0) (<= (+ main_~nondetString2~0.offset main_~length2~0) (select |#length| main_~nondetString2~0.base))))) (.cse9 (= 0 |main_#t~malloc13.offset|)) (.cse10 (= 0 (select |old(#valid)| |main_#t~malloc13.base|))) (.cse11 (exists ((main_~length1~0 Int)) (and (<= (+ main_~nondetString1~0.offset main_~length1~0) (select |#length| main_~nondetString1~0.base)) (<= 1 main_~length1~0) (= (select (select |#memory_int| main_~nondetString1~0.base) (+ main_~nondetString1~0.offset main_~length1~0 (- 1))) 0)))) (.cse12 (= 1 (select |#valid| main_~nondetString2~0.base)))) (or (and (= main_~nondetString2~0.offset 0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 (= |main_#t~malloc13.base| main_~nondetString1~0.base)) (and .cse1 .cse2 .cse3 .cse4 .cse5 (= 1 main_~length2~0) .cse6 (= .cse13 main_~length1~0) .cse7 .cse8 (not (= |main_#t~malloc14.base| main_~nondetString1~0.base)) (= 1 (select |#valid| main_~nondetString1~0.base)) .cse9 .cse10 .cse11 .cse12 (<= 0 main_~nondetString2~0.offset))))) (= 0 (select (select |#memory_int| main_~nondetString2~0.base) (+ .cse0 (- 1)))) (= 0 (select (select |#memory_int| main_~nondetString1~0.base) (+ .cse13 (- 1)))))) [2018-04-05 15:32:35,425 INFO L416 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-04-05 15:32:35,425 INFO L416 ceAbstractionStarter]: For program point L553'(line 553) no Hoare annotation was computed. [2018-04-05 15:32:35,425 INFO L416 ceAbstractionStarter]: For program point L561(line 561) no Hoare annotation was computed. [2018-04-05 15:32:35,425 INFO L416 ceAbstractionStarter]: For program point mainErr0RequiresViolation(line 562) no Hoare annotation was computed. [2018-04-05 15:32:35,425 INFO L416 ceAbstractionStarter]: For program point L553''(line 553) no Hoare annotation was computed. [2018-04-05 15:32:35,425 INFO L416 ceAbstractionStarter]: For program point mainErr2RequiresViolation(line 563) no Hoare annotation was computed. [2018-04-05 15:32:35,425 INFO L416 ceAbstractionStarter]: For program point L554''(lines 551 565) no Hoare annotation was computed. [2018-04-05 15:32:35,426 INFO L416 ceAbstractionStarter]: For program point L560'(line 560) no Hoare annotation was computed. [2018-04-05 15:32:35,426 INFO L416 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-04-05 15:32:35,426 INFO L416 ceAbstractionStarter]: For program point mainErr3RequiresViolation(line 563) no Hoare annotation was computed. [2018-04-05 15:32:35,426 INFO L416 ceAbstractionStarter]: For program point L552(line 552) no Hoare annotation was computed. [2018-04-05 15:32:35,426 INFO L416 ceAbstractionStarter]: For program point L562'(line 562) no Hoare annotation was computed. [2018-04-05 15:32:35,427 INFO L416 ceAbstractionStarter]: For program point L552'(line 552) no Hoare annotation was computed. [2018-04-05 15:32:35,427 INFO L416 ceAbstractionStarter]: For program point L564'(line 564) no Hoare annotation was computed. [2018-04-05 15:32:35,427 INFO L416 ceAbstractionStarter]: For program point mainFINAL(lines 551 565) no Hoare annotation was computed. [2018-04-05 15:32:35,427 INFO L416 ceAbstractionStarter]: For program point L555(line 555) no Hoare annotation was computed. [2018-04-05 15:32:35,427 INFO L416 ceAbstractionStarter]: For program point L554(lines 554 556) no Hoare annotation was computed. [2018-04-05 15:32:35,427 INFO L416 ceAbstractionStarter]: For program point mainErr4EnsuresViolationMEMORY_LEAK(lines 551 565) no Hoare annotation was computed. [2018-04-05 15:32:35,427 INFO L416 ceAbstractionStarter]: For program point L558(line 558) no Hoare annotation was computed. [2018-04-05 15:32:35,427 INFO L416 ceAbstractionStarter]: For program point mainEXIT(lines 551 565) no Hoare annotation was computed. [2018-04-05 15:32:35,427 INFO L412 ceAbstractionStarter]: At program point mainENTRY(lines 551 565) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-04-05 15:32:35,428 INFO L416 ceAbstractionStarter]: For program point L561''(line 561) no Hoare annotation was computed. [2018-04-05 15:32:35,428 INFO L416 ceAbstractionStarter]: For program point L564''(line 564) no Hoare annotation was computed. [2018-04-05 15:32:35,428 INFO L416 ceAbstractionStarter]: For program point L560''(line 560) no Hoare annotation was computed. [2018-04-05 15:32:35,428 INFO L416 ceAbstractionStarter]: For program point L561'''(line 561) no Hoare annotation was computed. [2018-04-05 15:32:35,428 INFO L416 ceAbstractionStarter]: For program point L557'(lines 557 559) no Hoare annotation was computed. [2018-04-05 15:32:35,464 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-05 15:32:35,465 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-05 15:32:35,466 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-04-05 15:32:35,466 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-05 15:32:35,472 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-05 15:32:35,472 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-05 15:32:35,472 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-05 15:32:35,473 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-05 15:32:35,473 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-05 15:32:35,473 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-05 15:32:35,474 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-05 15:32:35,474 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-05 15:32:35,474 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-05 15:32:35,475 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-05 15:32:35,476 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-05 15:32:35,476 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-05 15:32:35,476 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-05 15:32:35,476 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-05 15:32:35,477 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-05 15:32:35,477 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-05 15:32:35,477 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-05 15:32:35,477 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-05 15:32:35,478 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-05 15:32:35,478 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-05 15:32:35,478 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-05 15:32:35,478 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-05 15:32:35,485 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:32:35,485 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:32:35,486 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:32:35,486 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:32:35,486 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:32:35,486 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:32:35,487 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:32:35,487 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:32:35,487 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:32:35,487 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:32:35,488 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:32:35,488 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:32:35,488 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:32:35,488 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:32:35,489 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:32:35,489 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:32:35,489 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:32:35,489 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:32:35,490 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:32:35,490 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:32:35,490 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:32:35,490 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:32:35,527 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-05 15:32:35,527 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-05 15:32:35,527 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-04-05 15:32:35,527 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-05 15:32:35,528 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-05 15:32:35,528 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-05 15:32:35,528 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-05 15:32:35,529 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-05 15:32:35,529 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-05 15:32:35,529 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-05 15:32:35,529 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-05 15:32:35,530 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-05 15:32:35,530 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-05 15:32:35,530 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-05 15:32:35,531 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-05 15:32:35,531 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-05 15:32:35,531 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-05 15:32:35,531 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-05 15:32:35,532 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-05 15:32:35,532 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-05 15:32:35,532 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-05 15:32:35,532 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-05 15:32:35,533 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-05 15:32:35,533 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-05 15:32:35,533 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-05 15:32:35,533 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-05 15:32:35,533 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:32:35,544 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:32:35,545 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:32:35,545 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:32:35,545 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:32:35,545 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:32:35,546 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:32:35,546 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:32:35,546 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:32:35,546 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:32:35,547 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:32:35,547 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:32:35,547 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:32:35,547 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:32:35,548 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:32:35,550 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:32:35,551 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:32:35,551 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:32:35,551 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:32:35,551 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:32:35,551 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:32:35,552 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:32:35,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.04 03:32:35 BoogieIcfgContainer [2018-04-05 15:32:35,557 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-05 15:32:35,558 INFO L168 Benchmark]: Toolchain (without parser) took 149468.67 ms. Allocated memory was 309.3 MB in the beginning and 617.1 MB in the end (delta: 307.8 MB). Free memory was 247.5 MB in the beginning and 417.0 MB in the end (delta: -169.5 MB). Peak memory consumption was 240.5 MB. Max. memory is 5.3 GB. [2018-04-05 15:32:35,559 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 309.3 MB. Free memory is still 272.0 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-05 15:32:35,560 INFO L168 Benchmark]: CACSL2BoogieTranslator took 834.28 ms. Allocated memory is still 309.3 MB. Free memory was 247.5 MB in the beginning and 223.6 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. [2018-04-05 15:32:35,560 INFO L168 Benchmark]: Boogie Preprocessor took 192.59 ms. Allocated memory is still 309.3 MB. Free memory was 223.6 MB in the beginning and 221.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-04-05 15:32:35,560 INFO L168 Benchmark]: RCFGBuilder took 1744.88 ms. Allocated memory was 309.3 MB in the beginning and 472.9 MB in the end (delta: 163.6 MB). Free memory was 221.6 MB in the beginning and 405.5 MB in the end (delta: -184.0 MB). Peak memory consumption was 22.8 MB. Max. memory is 5.3 GB. [2018-04-05 15:32:35,561 INFO L168 Benchmark]: TraceAbstraction took 146687.58 ms. Allocated memory was 472.9 MB in the beginning and 617.1 MB in the end (delta: 144.2 MB). Free memory was 405.5 MB in the beginning and 417.0 MB in the end (delta: -11.4 MB). Peak memory consumption was 235.0 MB. Max. memory is 5.3 GB. [2018-04-05 15:32:35,564 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 309.3 MB. Free memory is still 272.0 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 834.28 ms. Allocated memory is still 309.3 MB. Free memory was 247.5 MB in the beginning and 223.6 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 192.59 ms. Allocated memory is still 309.3 MB. Free memory was 223.6 MB in the beginning and 221.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 1744.88 ms. Allocated memory was 309.3 MB in the beginning and 472.9 MB in the end (delta: 163.6 MB). Free memory was 221.6 MB in the beginning and 405.5 MB in the end (delta: -184.0 MB). Peak memory consumption was 22.8 MB. Max. memory is 5.3 GB. * TraceAbstraction took 146687.58 ms. Allocated memory was 472.9 MB in the beginning and 617.1 MB in the end (delta: 144.2 MB). Free memory was 405.5 MB in the beginning and 417.0 MB in the end (delta: -11.4 MB). Peak memory consumption was 235.0 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 543]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 543]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 543]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 543]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 543]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 543]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 563]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 562]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 563]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 551]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 562]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 15 specifications checked. All of them hold - InvariantResult [Line: 543]: Loop Invariant [2018-04-05 15:32:35,607 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-05 15:32:35,607 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-05 15:32:35,607 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-04-05 15:32:35,607 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-05 15:32:35,608 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-05 15:32:35,608 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-05 15:32:35,608 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-05 15:32:35,608 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-05 15:32:35,609 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-05 15:32:35,609 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-05 15:32:35,609 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-05 15:32:35,609 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-05 15:32:35,610 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-05 15:32:35,614 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-05 15:32:35,615 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-05 15:32:35,615 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-05 15:32:35,615 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-05 15:32:35,615 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-05 15:32:35,615 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-05 15:32:35,616 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-05 15:32:35,616 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-05 15:32:35,616 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-05 15:32:35,616 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-05 15:32:35,616 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-05 15:32:35,617 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-05 15:32:35,617 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-05 15:32:35,617 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:32:35,617 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:32:35,617 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:32:35,618 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:32:35,626 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:32:35,626 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:32:35,626 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:32:35,627 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:32:35,627 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:32:35,627 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:32:35,627 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:32:35,628 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:32:35,628 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:32:35,628 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:32:35,628 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:32:35,628 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:32:35,628 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:32:35,629 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:32:35,629 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:32:35,629 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:32:35,629 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:32:35,629 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:32:35,632 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-05 15:32:35,641 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-05 15:32:35,641 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-04-05 15:32:35,641 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-05 15:32:35,642 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-05 15:32:35,642 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-05 15:32:35,642 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-05 15:32:35,642 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-05 15:32:35,642 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-05 15:32:35,643 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-05 15:32:35,643 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-05 15:32:35,643 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-05 15:32:35,643 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-05 15:32:35,644 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-05 15:32:35,644 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-05 15:32:35,644 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-05 15:32:35,644 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-05 15:32:35,645 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-05 15:32:35,645 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-05 15:32:35,645 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-05 15:32:35,645 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-05 15:32:35,645 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-05 15:32:35,646 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-05 15:32:35,651 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-05 15:32:35,651 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-05 15:32:35,651 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-05 15:32:35,652 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:32:35,652 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:32:35,652 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:32:35,652 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:32:35,653 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:32:35,653 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:32:35,653 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:32:35,653 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:32:35,653 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:32:35,654 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:32:35,654 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:32:35,654 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:32:35,654 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:32:35,654 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:32:35,655 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:32:35,655 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:32:35,655 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:32:35,655 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:32:35,655 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:32:35,655 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-05 15:32:35,656 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-05 15:32:35,656 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: (((((((unknown-#memory_int-unknown[s2][unknown-#length-unknown[s2] + -1] == 0 && 0 == unknown-#memory_int-unknown[s1][unknown-#length-unknown[s1] + -1]) && 1 <= s1) && (((1 == \valid[s1] && s1 + 1 <= unknown-#length-unknown[s1]) && \valid[s2] == 1) && s2 + 1 <= unknown-#length-unknown[s2]) && 1 <= s2) || !(\exists main_~nondetString2~0.base : int, main_~nondetString2~0.offset : int :: !(main_~nondetString2~0.base == s1) && 0 == unknown-#memory_int-unknown[main_~nondetString2~0.base][main_~nondetString2~0.offset + unknown-#length-unknown[main_~nondetString2~0.base] + -1])) || ((((((1 == \valid[s1] && s2 == s2) && (\exists v_main_~nondetString1~0.offset_BEFORE_CALL_2 : int, main_~length1~0 : int :: ((unknown-#memory_int-unknown[s1][v_main_~nondetString1~0.offset_BEFORE_CALL_2 + main_~length1~0 + -1] == 0 && v_main_~nondetString1~0.offset_BEFORE_CALL_2 + main_~length1~0 <= unknown-#length-unknown[s1]) && 1 <= main_~length1~0) && s1 <= v_main_~nondetString1~0.offset_BEFORE_CALL_2)) && s2 == s2) && 0 <= s1) && (\exists main_~length2~0 : int :: (unknown-#memory_int-unknown[s2][s2 + main_~length2~0 + -1] == 0 && 1 <= main_~length2~0) && s2 + main_~length2~0 <= unknown-#length-unknown[s2])) && 0 == unknown-#memory_int-unknown[s1][unknown-#length-unknown[s1] + -1])) || !(0 == unknown-#memory_int-unknown[s1][unknown-#length-unknown[s1] + -1])) || !(unknown-#memory_int-unknown[s2][unknown-#length-unknown[s2] + -1] == 0)) || (((((!(\exists main_~length2~0 : int :: (unknown-#memory_int-unknown[s2][s2 + main_~length2~0 + -1] == 0 && 1 <= main_~length2~0) && s2 + main_~length2~0 <= unknown-#length-unknown[s2]) || s2 < 0) || !(\exists v_main_~nondetString1~0.offset_BEFORE_CALL_2 : int, main_~length1~0 : int :: ((0 == unknown-#memory_int-unknown[s1][v_main_~nondetString1~0.offset_BEFORE_CALL_2 + main_~length1~0 + -1] && s1 <= v_main_~nondetString1~0.offset_BEFORE_CALL_2) && v_main_~nondetString1~0.offset_BEFORE_CALL_2 + main_~length1~0 <= unknown-#length-unknown[s1]) && 1 <= main_~length1~0)) || !(\valid[s1] == 1)) || !(\exists v_main_#t~malloc14.base_BEFORE_CALL_7 : int, v_main_#t~malloc13.base_BEFORE_CALL_7 : int :: (\valid[v_main_#t~malloc14.base_BEFORE_CALL_7] == 1 && !(v_main_#t~malloc14.base_BEFORE_CALL_7 == v_main_#t~malloc13.base_BEFORE_CALL_7)) && \valid[v_main_#t~malloc13.base_BEFORE_CALL_7] == 1)) || s1 < 0) || !(1 == \valid[s2]) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 98 locations, 15 error locations. SAFE Result, 146.3s OverallTime, 20 OverallIterations, 3 TraceHistogramMax, 68.4s AutomataDifference, 0.0s DeadEndRemovalTime, 32.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 1493 SDtfs, 2877 SDslu, 6641 SDs, 0 SdLazy, 4547 SolverSat, 249 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1810 GetRequests, 1404 SyntacticMatches, 20 SemanticMatches, 386 ConstructedPredicates, 20 IntricatePredicates, 0 DeprecatedPredicates, 2618 ImplicationChecksByTransitivity, 73.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=184occurred in iteration=17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 20 MinimizatonAttempts, 406 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 10 NumberOfFragments, 513 HoareAnnotationTreeSize, 7 FomulaSimplifications, 113 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 4049 FormulaSimplificationTreeSizeReductionInter, 32.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 40.9s InterpolantComputationTime, 829 NumberOfCodeBlocks, 829 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1618 ConstructedInterpolants, 313 QuantifiedInterpolants, 889552 SizeOfPredicates, 172 NumberOfNonLiveVariables, 2463 ConjunctsInSsa, 325 ConjunctsInUnsatCore, 40 InterpolantComputations, 32 PerfectInterpolantSequences, 28/140 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrcmp-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-05_15-32-35-669.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrcmp-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-05_15-32-35-669.csv Received shutdown request...