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 0.1.23-8168ed2-m [2018-04-11 20:11:33,810 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 20:11:33,813 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 20:11:33,827 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-04-11 20:11:33,855 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 [2018-04-11 20:11:33,879 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 20:11:33,879 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 20:11:33,880 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-04-11 20:11:33,880 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-04-11 20:11:33,881 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-04-11 20:11:33,881 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-04-11 20:11:33,881 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-04-11 20:11:33,881 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-04-11 20:11:33,881 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-04-11 20:11:33,881 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-04-11 20:11:33,882 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-04-11 20:11:33,882 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-04-11 20:11:33,882 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 20:11:33,882 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 20:11:33,883 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 20:11:33,883 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 20:11:33,883 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 20:11:33,883 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 20:11:33,883 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 20:11:33,884 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-04-11 20:11:33,884 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 20:11:33,884 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 20:11:33,884 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 20:11:33,884 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-04-11 20:11:33,885 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-04-11 20:11:33,885 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 20:11:33,885 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 20:11:33,885 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 20:11:33,885 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-11 20:11:33,886 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-11 20:11:33,886 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-04-11 20:11:33,886 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-04-11 20:11:33,886 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 20:11:33,886 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-04-11 20:11:33,887 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-04-11 20:11:33,887 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-04-11 20:11:33,887 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-04-11 20:11:33,888 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-04-11 20:11:33,922 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 20:11:33,934 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 20:11:33,938 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 20:11:33,940 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 20:11:33,940 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 20:11:33,941 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 [2018-04-11 20:11:34,269 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG18e41c6bb [2018-04-11 20:11:34,456 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 20:11:34,456 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 20:11:34,457 INFO L168 CDTParser]: Scanning cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:11:34,467 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 20:11:34,467 INFO L215 ultiparseSymbolTable]: [2018-04-11 20:11:34,468 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 20:11:34,468 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 [2018-04-11 20:11:34,468 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:11:34,468 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 [2018-04-11 20:11:34,468 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 [2018-04-11 20:11:34,468 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 20:11:34,468 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 [2018-04-11 20:11:34,468 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 [2018-04-11 20:11:34,468 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 [2018-04-11 20:11:34,468 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 [2018-04-11 20:11:34,469 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 [2018-04-11 20:11:34,469 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 [2018-04-11 20:11:34,469 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 [2018-04-11 20:11:34,469 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 [2018-04-11 20:11:34,469 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 [2018-04-11 20:11:34,469 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 [2018-04-11 20:11:34,469 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 [2018-04-11 20:11:34,469 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 [2018-04-11 20:11:34,469 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 [2018-04-11 20:11:34,469 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 [2018-04-11 20:11:34,469 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 [2018-04-11 20:11:34,469 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 [2018-04-11 20:11:34,469 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 [2018-04-11 20:11:34,470 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 [2018-04-11 20:11:34,470 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 [2018-04-11 20:11:34,470 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 [2018-04-11 20:11:34,470 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 [2018-04-11 20:11:34,470 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 [2018-04-11 20:11:34,470 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 [2018-04-11 20:11:34,470 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 [2018-04-11 20:11:34,470 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 [2018-04-11 20:11:34,470 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 [2018-04-11 20:11:34,471 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 [2018-04-11 20:11:34,471 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 [2018-04-11 20:11:34,471 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 [2018-04-11 20:11:34,471 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 [2018-04-11 20:11:34,471 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 [2018-04-11 20:11:34,471 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 [2018-04-11 20:11:34,471 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 [2018-04-11 20:11:34,471 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 [2018-04-11 20:11:34,472 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 [2018-04-11 20:11:34,472 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 [2018-04-11 20:11:34,472 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 [2018-04-11 20:11:34,472 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 [2018-04-11 20:11:34,472 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 [2018-04-11 20:11:34,472 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 [2018-04-11 20:11:34,472 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 [2018-04-11 20:11:34,472 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 [2018-04-11 20:11:34,473 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 [2018-04-11 20:11:34,473 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 [2018-04-11 20:11:34,473 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 [2018-04-11 20:11:34,473 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 [2018-04-11 20:11:34,473 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 [2018-04-11 20:11:34,473 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 [2018-04-11 20:11:34,473 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 [2018-04-11 20:11:34,473 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 [2018-04-11 20:11:34,474 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 [2018-04-11 20:11:34,474 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 [2018-04-11 20:11:34,474 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 [2018-04-11 20:11:34,474 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 [2018-04-11 20:11:34,474 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 [2018-04-11 20:11:34,474 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 [2018-04-11 20:11:34,474 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 [2018-04-11 20:11:34,474 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 [2018-04-11 20:11:34,474 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 [2018-04-11 20:11:34,474 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 [2018-04-11 20:11:34,475 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 [2018-04-11 20:11:34,475 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 [2018-04-11 20:11:34,475 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 [2018-04-11 20:11:34,475 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 [2018-04-11 20:11:34,475 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 [2018-04-11 20:11:34,475 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 [2018-04-11 20:11:34,475 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 [2018-04-11 20:11:34,475 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 [2018-04-11 20:11:34,475 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 [2018-04-11 20:11:34,475 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 [2018-04-11 20:11:34,476 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 [2018-04-11 20:11:34,476 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 [2018-04-11 20:11:34,476 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 [2018-04-11 20:11:34,476 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 [2018-04-11 20:11:34,476 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 [2018-04-11 20:11:34,476 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 [2018-04-11 20:11:34,476 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 [2018-04-11 20:11:34,476 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 [2018-04-11 20:11:34,476 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 [2018-04-11 20:11:34,476 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 [2018-04-11 20:11:34,476 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 [2018-04-11 20:11:34,476 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 [2018-04-11 20:11:34,476 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 [2018-04-11 20:11:34,476 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 [2018-04-11 20:11:34,476 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 [2018-04-11 20:11:34,477 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 [2018-04-11 20:11:34,477 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 [2018-04-11 20:11:34,477 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 [2018-04-11 20:11:34,477 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 [2018-04-11 20:11:34,477 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 [2018-04-11 20:11:34,477 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 [2018-04-11 20:11:34,477 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 [2018-04-11 20:11:34,477 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 [2018-04-11 20:11:34,477 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 [2018-04-11 20:11:34,477 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 [2018-04-11 20:11:34,477 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 [2018-04-11 20:11:34,477 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 [2018-04-11 20:11:34,477 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 [2018-04-11 20:11:34,478 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 [2018-04-11 20:11:34,478 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 [2018-04-11 20:11:34,478 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 [2018-04-11 20:11:34,478 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 [2018-04-11 20:11:34,478 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 [2018-04-11 20:11:34,478 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 [2018-04-11 20:11:34,478 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 [2018-04-11 20:11:34,478 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 [2018-04-11 20:11:34,479 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 [2018-04-11 20:11:34,479 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 [2018-04-11 20:11:34,479 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 [2018-04-11 20:11:34,479 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 [2018-04-11 20:11:34,479 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 [2018-04-11 20:11:34,479 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 [2018-04-11 20:11:34,479 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 [2018-04-11 20:11:34,479 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 [2018-04-11 20:11:34,479 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 [2018-04-11 20:11:34,480 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 [2018-04-11 20:11:34,480 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 [2018-04-11 20:11:34,480 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 [2018-04-11 20:11:34,480 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 [2018-04-11 20:11:34,480 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 [2018-04-11 20:11:34,497 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG18e41c6bb [2018-04-11 20:11:34,501 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 20:11:34,503 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 20:11:34,504 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 20:11:34,504 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 20:11:34,509 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 20:11:34,510 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 08:11:34" (1/1) ... [2018-04-11 20:11:34,512 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@100c5544 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:11:34, skipping insertion in model container [2018-04-11 20:11:34,512 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 08:11:34" (1/1) ... [2018-04-11 20:11:34,525 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 20:11:34,554 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 20:11:34,707 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 20:11:34,752 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 20:11:34,760 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-11 20:11:34,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:11:34 WrapperNode [2018-04-11 20:11:34,806 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 20:11:34,807 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 20:11:34,807 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 20:11:34,807 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 20:11:34,822 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:11:34" (1/1) ... [2018-04-11 20:11:34,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:11:34" (1/1) ... [2018-04-11 20:11:34,839 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:11:34" (1/1) ... [2018-04-11 20:11:34,839 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:11:34" (1/1) ... [2018-04-11 20:11:34,851 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:11:34" (1/1) ... [2018-04-11 20:11:34,857 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:11:34" (1/1) ... [2018-04-11 20:11:34,860 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:11:34" (1/1) ... [2018-04-11 20:11:34,864 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 20:11:34,865 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 20:11:34,865 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 20:11:34,865 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 20:11:34,866 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:11:34" (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 [2018-04-11 20:11:35,004 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 20:11:35,004 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 20:11:35,004 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-11 20:11:35,004 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-11 20:11:35,005 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrcmp [2018-04-11 20:11:35,005 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 20:11:35,005 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-11 20:11:35,005 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-11 20:11:35,005 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 20:11:35,005 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 20:11:35,005 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 20:11:35,005 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 20:11:35,006 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 20:11:35,006 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 20:11:35,006 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 20:11:35,006 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 20:11:35,006 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 20:11:35,006 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 20:11:35,007 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 20:11:35,007 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 20:11:35,007 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 20:11:35,007 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 20:11:35,007 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 20:11:35,007 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 20:11:35,008 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 20:11:35,008 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 20:11:35,008 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 20:11:35,008 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 20:11:35,008 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 20:11:35,008 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 20:11:35,008 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 20:11:35,008 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 20:11:35,008 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 20:11:35,008 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 20:11:35,008 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 20:11:35,008 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 20:11:35,009 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 20:11:35,009 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 20:11:35,009 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 20:11:35,009 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 20:11:35,009 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 20:11:35,009 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 20:11:35,009 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 20:11:35,009 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 20:11:35,009 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 20:11:35,010 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 20:11:35,010 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 20:11:35,010 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 20:11:35,010 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 20:11:35,010 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 20:11:35,010 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 20:11:35,010 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 20:11:35,010 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 20:11:35,010 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 20:11:35,010 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 20:11:35,010 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 20:11:35,011 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 20:11:35,011 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 20:11:35,011 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 20:11:35,011 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 20:11:35,011 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 20:11:35,011 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 20:11:35,011 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 20:11:35,011 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 20:11:35,011 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 20:11:35,011 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 20:11:35,011 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 20:11:35,011 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 20:11:35,011 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 20:11:35,012 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-11 20:11:35,012 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 20:11:35,012 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 20:11:35,012 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 20:11:35,012 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 20:11:35,012 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 20:11:35,012 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 20:11:35,012 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 20:11:35,012 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 20:11:35,012 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 20:11:35,012 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 20:11:35,012 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 20:11:35,012 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 20:11:35,013 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 20:11:35,013 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 20:11:35,013 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 20:11:35,013 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 20:11:35,013 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 20:11:35,013 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 20:11:35,013 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 20:11:35,013 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 20:11:35,014 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 20:11:35,014 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 20:11:35,014 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 20:11:35,014 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 20:11:35,014 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 20:11:35,014 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 20:11:35,014 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 20:11:35,014 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 20:11:35,015 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 20:11:35,015 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 20:11:35,015 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 20:11:35,015 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 20:11:35,015 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 20:11:35,015 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 20:11:35,015 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 20:11:35,015 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 20:11:35,016 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 20:11:35,016 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 20:11:35,016 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-11 20:11:35,016 INFO L128 BoogieDeclarations]: Found specification of procedure cstrcmp [2018-04-11 20:11:35,016 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-11 20:11:35,016 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 20:11:35,016 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 20:11:35,016 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-11 20:11:35,016 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 20:11:35,017 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 20:11:35,017 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 20:11:35,017 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-11 20:11:35,485 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 20:11:35,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 08:11:35 BoogieIcfgContainer [2018-04-11 20:11:35,486 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 20:11:35,487 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 20:11:35,487 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 20:11:35,490 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 20:11:35,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 08:11:34" (1/3) ... [2018-04-11 20:11:35,491 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f57ffca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 08:11:35, skipping insertion in model container [2018-04-11 20:11:35,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:11:34" (2/3) ... [2018-04-11 20:11:35,491 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f57ffca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 08:11:35, skipping insertion in model container [2018-04-11 20:11:35,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 08:11:35" (3/3) ... [2018-04-11 20:11:35,493 INFO L107 eAbstractionObserver]: Analyzing ICFG cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:11:35,500 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-11 20:11:35,506 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2018-04-11 20:11:35,549 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 20:11:35,549 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 20:11:35,549 INFO L370 AbstractCegarLoop]: Hoare is true [2018-04-11 20:11:35,550 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-11 20:11:35,550 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-11 20:11:35,550 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 20:11:35,550 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 20:11:35,550 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 20:11:35,550 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 20:11:35,551 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 20:11:35,563 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states. [2018-04-11 20:11:35,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-11 20:11:35,568 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:11:35,569 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:11:35,569 INFO L408 AbstractCegarLoop]: === Iteration 1 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:11:35,574 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 [2018-04-11 20:11:35,585 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:11:35,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:11:35,624 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:11:35,661 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 [2018-04-11 20:11:35,663 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:11:35,667 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:11:35,667 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-11 20:11:35,686 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 [2018-04-11 20:11:35,687 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:11:35,695 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. [2018-04-11 20:11:35,695 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2018-04-11 20:11:35,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:11:35,708 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:11:35,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:11:35,756 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:11:35,756 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-11 20:11:35,758 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 20:11:35,768 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 20:11:35,768 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 20:11:35,770 INFO L87 Difference]: Start difference. First operand 88 states. Second operand 4 states. [2018-04-11 20:11:35,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:11:35,866 INFO L93 Difference]: Finished difference Result 117 states and 122 transitions. [2018-04-11 20:11:35,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 20:11:35,867 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2018-04-11 20:11:35,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:11:35,877 INFO L225 Difference]: With dead ends: 117 [2018-04-11 20:11:35,877 INFO L226 Difference]: Without dead ends: 84 [2018-04-11 20:11:35,880 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 33 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 20:11:35,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2018-04-11 20:11:35,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2018-04-11 20:11:35,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2018-04-11 20:11:35,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 88 transitions. [2018-04-11 20:11:35,921 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 88 transitions. Word has length 19 [2018-04-11 20:11:35,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:11:35,921 INFO L459 AbstractCegarLoop]: Abstraction has 84 states and 88 transitions. [2018-04-11 20:11:35,922 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 20:11:35,922 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 88 transitions. [2018-04-11 20:11:35,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-11 20:11:35,922 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:11:35,922 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:11:35,923 INFO L408 AbstractCegarLoop]: === Iteration 2 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:11:35,923 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 [2018-04-11 20:11:35,933 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:11:35,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:11:35,951 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:11:35,985 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 [2018-04-11 20:11:35,985 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:11:35,993 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 [2018-04-11 20:11:35,994 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:11:36,008 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:11:36,008 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:19, output treesize:17 [2018-04-11 20:11:36,146 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 20:11:36,148 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 20:11:36,149 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 [2018-04-11 20:11:36,150 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:11:36,205 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 [2018-04-11 20:11:36,205 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:11:36,213 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:11:36,213 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:28, output treesize:12 [2018-04-11 20:11:36,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:11:36,260 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:11:38,324 WARN L148 SmtUtils]: Spent 2040ms on a formula simplification that was a NOOP. DAG size: 26 [2018-04-11 20:11:38,365 INFO L267 ElimStorePlain]: Start of recursive call 1: End of recursive call: and 1 xjuncts. [2018-04-11 20:11:38,365 INFO L202 ElimStorePlain]: Needed 1 recursive calls to eliminate 5 variables, input treesize:25, output treesize:3 [2018-04-11 20:11:38,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:11:38,392 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:11:38,392 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2018-04-11 20:11:38,394 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-11 20:11:38,394 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-11 20:11:38,394 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-04-11 20:11:38,394 INFO L87 Difference]: Start difference. First operand 84 states and 88 transitions. Second operand 9 states. [2018-04-11 20:11:38,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:11:38,604 INFO L93 Difference]: Finished difference Result 84 states and 88 transitions. [2018-04-11 20:11:38,605 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 20:11:38,605 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2018-04-11 20:11:38,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:11:38,606 INFO L225 Difference]: With dead ends: 84 [2018-04-11 20:11:38,607 INFO L226 Difference]: Without dead ends: 83 [2018-04-11 20:11:38,608 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-04-11 20:11:38,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2018-04-11 20:11:38,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2018-04-11 20:11:38,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-04-11 20:11:38,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 87 transitions. [2018-04-11 20:11:38,617 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 87 transitions. Word has length 19 [2018-04-11 20:11:38,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:11:38,617 INFO L459 AbstractCegarLoop]: Abstraction has 83 states and 87 transitions. [2018-04-11 20:11:38,618 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-11 20:11:38,618 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 87 transitions. [2018-04-11 20:11:38,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-11 20:11:38,618 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:11:38,619 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] [2018-04-11 20:11:38,619 INFO L408 AbstractCegarLoop]: === Iteration 3 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:11:38,619 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 [2018-04-11 20:11:38,625 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:11:38,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:11:38,640 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:11:38,644 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 [2018-04-11 20:11:38,644 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:11:38,646 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:11:38,646 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-11 20:11:38,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:11:38,653 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:11:38,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:11:38,687 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:11:38,688 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-11 20:11:38,688 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 20:11:38,688 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 20:11:38,688 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 20:11:38,688 INFO L87 Difference]: Start difference. First operand 83 states and 87 transitions. Second operand 4 states. [2018-04-11 20:11:38,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:11:38,728 INFO L93 Difference]: Finished difference Result 83 states and 87 transitions. [2018-04-11 20:11:38,728 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 20:11:38,728 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-04-11 20:11:38,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:11:38,729 INFO L225 Difference]: With dead ends: 83 [2018-04-11 20:11:38,729 INFO L226 Difference]: Without dead ends: 82 [2018-04-11 20:11:38,729 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 [2018-04-11 20:11:38,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-04-11 20:11:38,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2018-04-11 20:11:38,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-04-11 20:11:38,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 86 transitions. [2018-04-11 20:11:38,736 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 86 transitions. Word has length 20 [2018-04-11 20:11:38,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:11:38,736 INFO L459 AbstractCegarLoop]: Abstraction has 82 states and 86 transitions. [2018-04-11 20:11:38,736 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 20:11:38,737 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 86 transitions. [2018-04-11 20:11:38,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-11 20:11:38,737 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:11:38,737 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] [2018-04-11 20:11:38,738 INFO L408 AbstractCegarLoop]: === Iteration 4 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:11:38,738 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 [2018-04-11 20:11:38,749 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:11:38,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:11:38,764 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:11:38,795 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 [2018-04-11 20:11:38,796 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:11:38,800 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:11:38,801 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-04-11 20:11:38,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:11:38,814 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:11:38,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:11:38,856 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:11:38,856 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2018-04-11 20:11:38,856 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-11 20:11:38,856 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-11 20:11:38,856 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-04-11 20:11:38,857 INFO L87 Difference]: Start difference. First operand 82 states and 86 transitions. Second operand 7 states. [2018-04-11 20:11:38,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:11:38,923 INFO L93 Difference]: Finished difference Result 82 states and 86 transitions. [2018-04-11 20:11:38,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 20:11:38,924 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-04-11 20:11:38,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:11:38,925 INFO L225 Difference]: With dead ends: 82 [2018-04-11 20:11:38,925 INFO L226 Difference]: Without dead ends: 81 [2018-04-11 20:11:38,926 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-04-11 20:11:38,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-04-11 20:11:38,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2018-04-11 20:11:38,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-04-11 20:11:38,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 85 transitions. [2018-04-11 20:11:38,931 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 85 transitions. Word has length 20 [2018-04-11 20:11:38,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:11:38,931 INFO L459 AbstractCegarLoop]: Abstraction has 81 states and 85 transitions. [2018-04-11 20:11:38,931 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-11 20:11:38,932 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 85 transitions. [2018-04-11 20:11:38,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-11 20:11:38,932 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:11:38,932 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] [2018-04-11 20:11:38,932 INFO L408 AbstractCegarLoop]: === Iteration 5 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:11:38,932 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 [2018-04-11 20:11:38,939 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:11:38,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:11:38,954 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:11:38,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:11:38,966 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:11:38,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:11:38,989 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:11:38,989 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2018-04-11 20:11:38,990 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 20:11:38,990 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 20:11:38,990 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 20:11:38,990 INFO L87 Difference]: Start difference. First operand 81 states and 85 transitions. Second operand 5 states. [2018-04-11 20:11:39,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:11:39,051 INFO L93 Difference]: Finished difference Result 85 states and 89 transitions. [2018-04-11 20:11:39,051 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 20:11:39,051 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2018-04-11 20:11:39,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:11:39,052 INFO L225 Difference]: With dead ends: 85 [2018-04-11 20:11:39,052 INFO L226 Difference]: Without dead ends: 82 [2018-04-11 20:11:39,052 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-11 20:11:39,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-04-11 20:11:39,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 81. [2018-04-11 20:11:39,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-04-11 20:11:39,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 86 transitions. [2018-04-11 20:11:39,057 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 86 transitions. Word has length 27 [2018-04-11 20:11:39,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:11:39,057 INFO L459 AbstractCegarLoop]: Abstraction has 81 states and 86 transitions. [2018-04-11 20:11:39,057 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 20:11:39,057 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 86 transitions. [2018-04-11 20:11:39,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-11 20:11:39,058 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:11:39,058 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] [2018-04-11 20:11:39,058 INFO L408 AbstractCegarLoop]: === Iteration 6 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:11:39,058 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 [2018-04-11 20:11:39,073 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:11:39,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:11:39,091 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:11:39,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:11:39,159 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:11:39,167 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 [2018-04-11 20:11:39,168 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:11:39,175 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 [2018-04-11 20:11:39,175 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:11:39,178 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 20:11:39,179 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2018-04-11 20:11:39,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:11:39,212 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:11:39,212 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2018-04-11 20:11:39,213 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-11 20:11:39,213 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-11 20:11:39,213 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-04-11 20:11:39,213 INFO L87 Difference]: Start difference. First operand 81 states and 86 transitions. Second operand 8 states. [2018-04-11 20:11:39,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:11:39,340 INFO L93 Difference]: Finished difference Result 82 states and 86 transitions. [2018-04-11 20:11:39,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-11 20:11:39,340 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 27 [2018-04-11 20:11:39,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:11:39,341 INFO L225 Difference]: With dead ends: 82 [2018-04-11 20:11:39,341 INFO L226 Difference]: Without dead ends: 79 [2018-04-11 20:11:39,341 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 45 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2018-04-11 20:11:39,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-04-11 20:11:39,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2018-04-11 20:11:39,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-04-11 20:11:39,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 83 transitions. [2018-04-11 20:11:39,345 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 83 transitions. Word has length 27 [2018-04-11 20:11:39,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:11:39,346 INFO L459 AbstractCegarLoop]: Abstraction has 79 states and 83 transitions. [2018-04-11 20:11:39,346 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-11 20:11:39,346 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 83 transitions. [2018-04-11 20:11:39,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-04-11 20:11:39,346 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:11:39,346 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] [2018-04-11 20:11:39,347 INFO L408 AbstractCegarLoop]: === Iteration 7 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:11:39,347 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 [2018-04-11 20:11:39,353 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:11:39,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:11:39,372 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:11:39,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:11:39,382 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:11:39,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:11:39,408 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:11:39,409 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2018-04-11 20:11:39,409 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 20:11:39,409 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 20:11:39,410 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 20:11:39,410 INFO L87 Difference]: Start difference. First operand 79 states and 83 transitions. Second operand 5 states. [2018-04-11 20:11:39,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:11:39,463 INFO L93 Difference]: Finished difference Result 105 states and 111 transitions. [2018-04-11 20:11:39,464 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 20:11:39,464 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2018-04-11 20:11:39,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:11:39,465 INFO L225 Difference]: With dead ends: 105 [2018-04-11 20:11:39,465 INFO L226 Difference]: Without dead ends: 103 [2018-04-11 20:11:39,465 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-11 20:11:39,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-04-11 20:11:39,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 92. [2018-04-11 20:11:39,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-04-11 20:11:39,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 100 transitions. [2018-04-11 20:11:39,472 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 100 transitions. Word has length 31 [2018-04-11 20:11:39,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:11:39,472 INFO L459 AbstractCegarLoop]: Abstraction has 92 states and 100 transitions. [2018-04-11 20:11:39,472 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 20:11:39,472 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 100 transitions. [2018-04-11 20:11:39,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-04-11 20:11:39,473 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:11:39,473 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] [2018-04-11 20:11:39,473 INFO L408 AbstractCegarLoop]: === Iteration 8 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:11:39,473 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 [2018-04-11 20:11:39,478 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:11:39,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:11:39,494 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:11:39,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:11:39,549 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:11:39,556 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 [2018-04-11 20:11:39,556 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:11:39,563 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 [2018-04-11 20:11:39,563 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:11:39,566 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 20:11:39,567 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2018-04-11 20:11:39,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:11:39,616 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:11:39,616 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2018-04-11 20:11:39,616 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-11 20:11:39,617 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-11 20:11:39,617 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-04-11 20:11:39,617 INFO L87 Difference]: Start difference. First operand 92 states and 100 transitions. Second operand 8 states. [2018-04-11 20:11:39,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:11:39,711 INFO L93 Difference]: Finished difference Result 103 states and 109 transitions. [2018-04-11 20:11:39,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-11 20:11:39,711 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 31 [2018-04-11 20:11:39,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:11:39,712 INFO L225 Difference]: With dead ends: 103 [2018-04-11 20:11:39,712 INFO L226 Difference]: Without dead ends: 101 [2018-04-11 20:11:39,712 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 53 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2018-04-11 20:11:39,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-04-11 20:11:39,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 92. [2018-04-11 20:11:39,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-04-11 20:11:39,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 98 transitions. [2018-04-11 20:11:39,718 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 98 transitions. Word has length 31 [2018-04-11 20:11:39,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:11:39,718 INFO L459 AbstractCegarLoop]: Abstraction has 92 states and 98 transitions. [2018-04-11 20:11:39,718 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-11 20:11:39,718 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 98 transitions. [2018-04-11 20:11:39,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-04-11 20:11:39,719 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:11:39,719 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] [2018-04-11 20:11:39,719 INFO L408 AbstractCegarLoop]: === Iteration 9 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:11:39,719 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 [2018-04-11 20:11:39,725 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:11:39,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:11:39,743 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:11:39,748 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:11:39,749 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:11:39,754 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:11:39,774 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:11:39,774 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-11 20:11:39,774 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-11 20:11:39,774 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-11 20:11:39,774 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 20:11:39,774 INFO L87 Difference]: Start difference. First operand 92 states and 98 transitions. Second operand 3 states. [2018-04-11 20:11:39,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:11:39,783 INFO L93 Difference]: Finished difference Result 152 states and 162 transitions. [2018-04-11 20:11:39,783 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-11 20:11:39,783 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2018-04-11 20:11:39,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:11:39,784 INFO L225 Difference]: With dead ends: 152 [2018-04-11 20:11:39,784 INFO L226 Difference]: Without dead ends: 93 [2018-04-11 20:11:39,785 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 [2018-04-11 20:11:39,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2018-04-11 20:11:39,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2018-04-11 20:11:39,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2018-04-11 20:11:39,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 98 transitions. [2018-04-11 20:11:39,791 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 98 transitions. Word has length 42 [2018-04-11 20:11:39,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:11:39,792 INFO L459 AbstractCegarLoop]: Abstraction has 93 states and 98 transitions. [2018-04-11 20:11:39,792 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-11 20:11:39,792 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 98 transitions. [2018-04-11 20:11:39,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-04-11 20:11:39,793 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:11:39,793 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] [2018-04-11 20:11:39,793 INFO L408 AbstractCegarLoop]: === Iteration 10 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:11:39,793 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 [2018-04-11 20:11:39,800 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:11:39,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:11:39,817 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:11:39,843 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-11 20:11:39,843 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:11:39,848 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-11 20:11:39,868 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:11:39,868 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2018-04-11 20:11:39,868 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 20:11:39,869 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 20:11:39,869 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-11 20:11:39,869 INFO L87 Difference]: Start difference. First operand 93 states and 98 transitions. Second operand 6 states. [2018-04-11 20:11:39,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:11:39,935 INFO L93 Difference]: Finished difference Result 93 states and 98 transitions. [2018-04-11 20:11:39,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 20:11:39,936 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 45 [2018-04-11 20:11:39,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:11:39,936 INFO L225 Difference]: With dead ends: 93 [2018-04-11 20:11:39,936 INFO L226 Difference]: Without dead ends: 92 [2018-04-11 20:11:39,937 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-04-11 20:11:39,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-04-11 20:11:39,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2018-04-11 20:11:39,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-04-11 20:11:39,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 97 transitions. [2018-04-11 20:11:39,941 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 97 transitions. Word has length 45 [2018-04-11 20:11:39,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:11:39,941 INFO L459 AbstractCegarLoop]: Abstraction has 92 states and 97 transitions. [2018-04-11 20:11:39,941 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 20:11:39,941 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 97 transitions. [2018-04-11 20:11:39,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-04-11 20:11:39,942 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:11:39,942 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] [2018-04-11 20:11:39,942 INFO L408 AbstractCegarLoop]: === Iteration 11 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:11:39,942 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 [2018-04-11 20:11:39,948 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:11:39,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:11:39,975 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:11:39,985 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 [2018-04-11 20:11:39,985 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:11:39,994 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:11:39,995 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-11 20:11:40,011 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 20:11:40,012 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 20:11:40,012 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 [2018-04-11 20:11:40,013 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:11:40,015 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:11:40,015 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:8 [2018-04-11 20:11:40,030 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 [2018-04-11 20:11:40,032 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 [2018-04-11 20:11:40,032 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:11:40,034 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:11:40,039 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. [2018-04-11 20:11:40,039 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:25 [2018-04-11 20:11:40,055 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 [2018-04-11 20:11:40,058 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 [2018-04-11 20:11:40,058 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:11:40,065 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:11:40,073 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. [2018-04-11 20:11:40,073 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:39, output treesize:35 [2018-04-11 20:11:40,200 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 [2018-04-11 20:11:40,216 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 [2018-04-11 20:11:40,217 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:11:40,259 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 [2018-04-11 20:11:40,260 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-11 20:11:40,280 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 20:11:40,294 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-11 20:11:40,294 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:48, output treesize:33 [2018-04-11 20:11:40,432 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:11:40,432 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:11:40,696 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 [2018-04-11 20:11:40,697 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:11:40,703 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 [2018-04-11 20:11:40,711 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-11 20:11:40,712 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-11 20:11:40,713 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:11:40,718 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. [2018-04-11 20:11:40,718 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:35, output treesize:7 [2018-04-11 20:11:40,783 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:11:40,808 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:11:40,808 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11] total 24 [2018-04-11 20:11:40,809 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-04-11 20:11:40,809 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-04-11 20:11:40,809 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=524, Unknown=0, NotChecked=0, Total=600 [2018-04-11 20:11:40,809 INFO L87 Difference]: Start difference. First operand 92 states and 97 transitions. Second operand 25 states. [2018-04-11 20:11:41,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:11:41,942 INFO L93 Difference]: Finished difference Result 183 states and 194 transitions. [2018-04-11 20:11:41,942 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-04-11 20:11:41,942 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 45 [2018-04-11 20:11:41,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:11:41,946 INFO L225 Difference]: With dead ends: 183 [2018-04-11 20:11:41,946 INFO L226 Difference]: Without dead ends: 182 [2018-04-11 20:11:41,947 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 64 SyntacticMatches, 2 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 336 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=273, Invalid=1533, Unknown=0, NotChecked=0, Total=1806 [2018-04-11 20:11:41,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2018-04-11 20:11:41,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 106. [2018-04-11 20:11:41,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-04-11 20:11:41,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 112 transitions. [2018-04-11 20:11:41,956 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 112 transitions. Word has length 45 [2018-04-11 20:11:41,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:11:41,956 INFO L459 AbstractCegarLoop]: Abstraction has 106 states and 112 transitions. [2018-04-11 20:11:41,956 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-04-11 20:11:41,957 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 112 transitions. [2018-04-11 20:11:41,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-04-11 20:11:41,958 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:11:41,958 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] [2018-04-11 20:11:41,958 INFO L408 AbstractCegarLoop]: === Iteration 12 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:11:41,958 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 [2018-04-11 20:11:41,965 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:11:41,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:11:41,986 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:11:42,001 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-04-11 20:11:42,001 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:11:42,006 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-04-11 20:11:42,026 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:11:42,026 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2018-04-11 20:11:42,026 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 20:11:42,026 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 20:11:42,026 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-11 20:11:42,027 INFO L87 Difference]: Start difference. First operand 106 states and 112 transitions. Second operand 6 states. [2018-04-11 20:11:42,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:11:42,072 INFO L93 Difference]: Finished difference Result 106 states and 112 transitions. [2018-04-11 20:11:42,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 20:11:42,072 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 49 [2018-04-11 20:11:42,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:11:42,073 INFO L225 Difference]: With dead ends: 106 [2018-04-11 20:11:42,073 INFO L226 Difference]: Without dead ends: 104 [2018-04-11 20:11:42,074 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-04-11 20:11:42,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2018-04-11 20:11:42,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2018-04-11 20:11:42,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-04-11 20:11:42,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 110 transitions. [2018-04-11 20:11:42,078 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 110 transitions. Word has length 49 [2018-04-11 20:11:42,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:11:42,078 INFO L459 AbstractCegarLoop]: Abstraction has 104 states and 110 transitions. [2018-04-11 20:11:42,078 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 20:11:42,078 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 110 transitions. [2018-04-11 20:11:42,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-04-11 20:11:42,079 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:11:42,079 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] [2018-04-11 20:11:42,079 INFO L408 AbstractCegarLoop]: === Iteration 13 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:11:42,079 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 [2018-04-11 20:11:42,085 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:11:42,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:11:42,105 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:11:42,131 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 [2018-04-11 20:11:42,133 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 [2018-04-11 20:11:42,133 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:11:42,135 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:11:42,141 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. [2018-04-11 20:11:42,141 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:28, output treesize:24 [2018-04-11 20:11:42,364 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 [2018-04-11 20:11:42,369 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 [2018-04-11 20:11:42,370 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:11:42,394 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 [2018-04-11 20:11:42,395 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-11 20:11:42,426 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 [2018-04-11 20:11:42,427 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 4 xjuncts. [2018-04-11 20:11:42,459 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-04-11 20:11:42,489 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-11 20:11:42,489 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:46, output treesize:66 [2018-04-11 20:11:42,583 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:11:42,584 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:11:43,002 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 [2018-04-11 20:11:43,003 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:11:43,004 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 [2018-04-11 20:11:43,005 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:11:43,037 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 [2018-04-11 20:11:43,038 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-11 20:11:43,040 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 [2018-04-11 20:11:43,040 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 20:11:43,073 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 [2018-04-11 20:11:43,111 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 [2018-04-11 20:11:43,111 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-11 20:11:43,125 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 [2018-04-11 20:11:43,126 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-11 20:11:43,140 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 [2018-04-11 20:11:43,141 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-11 20:11:43,147 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:11:43,150 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 [2018-04-11 20:11:43,166 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 [2018-04-11 20:11:43,166 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-11 20:11:43,171 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 [2018-04-11 20:11:43,172 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-11 20:11:43,175 INFO L267 ElimStorePlain]: Start of recursive call 10: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:11:43,202 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 [2018-04-11 20:11:43,243 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 [2018-04-11 20:11:43,244 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-04-11 20:11:43,258 INFO L267 ElimStorePlain]: Start of recursive call 13: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:11:43,260 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 [2018-04-11 20:11:43,275 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 [2018-04-11 20:11:43,275 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-04-11 20:11:43,280 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 [2018-04-11 20:11:43,281 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-04-11 20:11:43,284 INFO L267 ElimStorePlain]: Start of recursive call 15: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:11:43,300 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. [2018-04-11 20:11:43,300 INFO L202 ElimStorePlain]: Needed 17 recursive calls to eliminate 10 variables, input treesize:125, output treesize:17 [2018-04-11 20:11:43,360 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:11:43,380 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:11:43,388 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2018-04-11 20:11:43,389 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-04-11 20:11:43,389 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-04-11 20:11:43,389 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=816, Unknown=0, NotChecked=0, Total=930 [2018-04-11 20:11:43,389 INFO L87 Difference]: Start difference. First operand 104 states and 110 transitions. Second operand 31 states. [2018-04-11 20:11:46,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:11:46,962 INFO L93 Difference]: Finished difference Result 185 states and 196 transitions. [2018-04-11 20:11:46,962 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-04-11 20:11:46,962 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 49 [2018-04-11 20:11:46,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:11:46,964 INFO L225 Difference]: With dead ends: 185 [2018-04-11 20:11:46,964 INFO L226 Difference]: Without dead ends: 183 [2018-04-11 20:11:46,965 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 67 SyntacticMatches, 1 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 782 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=590, Invalid=2950, Unknown=0, NotChecked=0, Total=3540 [2018-04-11 20:11:46,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2018-04-11 20:11:46,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 108. [2018-04-11 20:11:46,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-04-11 20:11:46,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 115 transitions. [2018-04-11 20:11:46,971 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 115 transitions. Word has length 49 [2018-04-11 20:11:46,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:11:46,971 INFO L459 AbstractCegarLoop]: Abstraction has 108 states and 115 transitions. [2018-04-11 20:11:46,972 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-04-11 20:11:46,972 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 115 transitions. [2018-04-11 20:11:46,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-04-11 20:11:46,972 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:11:46,972 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:11:46,972 INFO L408 AbstractCegarLoop]: === Iteration 14 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:11:46,973 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 [2018-04-11 20:11:46,979 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:11:46,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:11:46,995 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:11:47,028 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 20:11:47,030 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 [2018-04-11 20:11:47,034 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 20:11:47,034 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 [2018-04-11 20:11:47,035 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:11:47,041 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:11:47,046 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. [2018-04-11 20:11:47,046 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-04-11 20:11:47,084 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 [2018-04-11 20:11:47,099 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 [2018-04-11 20:11:47,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:11:47,108 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:11:47,139 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 [2018-04-11 20:11:47,143 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 [2018-04-11 20:11:47,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:11:47,174 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:11:47,174 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9, 6] imperfect sequences [] total 13 [2018-04-11 20:11:47,174 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-11 20:11:47,174 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-11 20:11:47,175 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=71, Unknown=4, NotChecked=76, Total=182 [2018-04-11 20:11:47,175 INFO L87 Difference]: Start difference. First operand 108 states and 115 transitions. Second operand 14 states. [2018-04-11 20:11:47,185 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 [2018-04-11 20:11:47,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:11:47,516 INFO L93 Difference]: Finished difference Result 201 states and 214 transitions. [2018-04-11 20:11:47,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-11 20:11:47,517 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 54 [2018-04-11 20:11:47,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:11:47,518 INFO L225 Difference]: With dead ends: 201 [2018-04-11 20:11:47,518 INFO L226 Difference]: Without dead ends: 174 [2018-04-11 20:11:47,518 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 96 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=171, Unknown=6, NotChecked=150, Total=380 [2018-04-11 20:11:47,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2018-04-11 20:11:47,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 171. [2018-04-11 20:11:47,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2018-04-11 20:11:47,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 182 transitions. [2018-04-11 20:11:47,529 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 182 transitions. Word has length 54 [2018-04-11 20:11:47,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:11:47,529 INFO L459 AbstractCegarLoop]: Abstraction has 171 states and 182 transitions. [2018-04-11 20:11:47,530 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-11 20:11:47,530 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 182 transitions. [2018-04-11 20:11:47,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-04-11 20:11:47,530 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:11:47,530 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] [2018-04-11 20:11:47,530 INFO L408 AbstractCegarLoop]: === Iteration 15 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:11:47,530 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 [2018-04-11 20:11:47,536 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:11:47,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:11:47,554 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:11:47,587 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 20:11:47,587 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 [2018-04-11 20:11:47,589 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 [2018-04-11 20:11:47,589 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:11:47,592 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:11:47,596 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. [2018-04-11 20:11:47,596 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-04-11 20:11:47,644 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 [2018-04-11 20:11:47,648 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 [2018-04-11 20:11:47,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:11:47,655 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:11:47,680 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 [2018-04-11 20:11:47,684 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 [2018-04-11 20:11:47,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:11:47,729 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:11:47,729 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9, 6] imperfect sequences [] total 13 [2018-04-11 20:11:47,730 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-11 20:11:47,730 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-11 20:11:47,730 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=71, Unknown=4, NotChecked=76, Total=182 [2018-04-11 20:11:47,730 INFO L87 Difference]: Start difference. First operand 171 states and 182 transitions. Second operand 14 states. [2018-04-11 20:11:47,741 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 [2018-04-11 20:11:48,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:11:48,178 INFO L93 Difference]: Finished difference Result 263 states and 279 transitions. [2018-04-11 20:11:48,179 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-11 20:11:48,179 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 55 [2018-04-11 20:11:48,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:11:48,180 INFO L225 Difference]: With dead ends: 263 [2018-04-11 20:11:48,180 INFO L226 Difference]: Without dead ends: 236 [2018-04-11 20:11:48,181 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 98 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=171, Unknown=6, NotChecked=150, Total=380 [2018-04-11 20:11:48,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2018-04-11 20:11:48,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 170. [2018-04-11 20:11:48,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2018-04-11 20:11:48,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 180 transitions. [2018-04-11 20:11:48,194 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 180 transitions. Word has length 55 [2018-04-11 20:11:48,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:11:48,195 INFO L459 AbstractCegarLoop]: Abstraction has 170 states and 180 transitions. [2018-04-11 20:11:48,195 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-11 20:11:48,195 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 180 transitions. [2018-04-11 20:11:48,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-04-11 20:11:48,196 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:11:48,196 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:11:48,196 INFO L408 AbstractCegarLoop]: === Iteration 16 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:11:48,196 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 [2018-04-11 20:11:48,204 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:11:48,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:11:48,224 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:11:48,229 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 [2018-04-11 20:11:48,235 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 [2018-04-11 20:11:48,235 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:11:48,237 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:11:48,238 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:11:48,238 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2018-04-11 20:11:48,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:11:48,408 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:11:48,778 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 [2018-04-11 20:11:48,815 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 [2018-04-11 20:11:48,816 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:11:48,827 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 [2018-04-11 20:11:48,828 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-11 20:11:48,837 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 20:11:48,838 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 20:11:48,838 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 [2018-04-11 20:11:48,839 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 20:11:48,844 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 20:11:48,846 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 [2018-04-11 20:11:48,858 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2018-04-11 20:11:48,859 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-11 20:11:48,862 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:11:48,869 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:11:48,869 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:52, output treesize:3 [2018-04-11 20:11:48,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:11:48,900 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:11:48,900 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [14, 13] imperfect sequences [] total 23 [2018-04-11 20:11:48,901 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-11 20:11:48,901 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-11 20:11:48,901 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=399, Unknown=0, NotChecked=0, Total=506 [2018-04-11 20:11:48,901 INFO L87 Difference]: Start difference. First operand 170 states and 180 transitions. Second operand 23 states. [2018-04-11 20:11:49,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:11:49,655 INFO L93 Difference]: Finished difference Result 226 states and 237 transitions. [2018-04-11 20:11:49,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-04-11 20:11:49,655 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 55 [2018-04-11 20:11:49,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:11:49,657 INFO L225 Difference]: With dead ends: 226 [2018-04-11 20:11:49,657 INFO L226 Difference]: Without dead ends: 207 [2018-04-11 20:11:49,658 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 86 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=361, Invalid=1279, Unknown=0, NotChecked=0, Total=1640 [2018-04-11 20:11:49,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2018-04-11 20:11:49,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 182. [2018-04-11 20:11:49,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2018-04-11 20:11:49,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 192 transitions. [2018-04-11 20:11:49,671 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 192 transitions. Word has length 55 [2018-04-11 20:11:49,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:11:49,671 INFO L459 AbstractCegarLoop]: Abstraction has 182 states and 192 transitions. [2018-04-11 20:11:49,672 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-11 20:11:49,672 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 192 transitions. [2018-04-11 20:11:49,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-04-11 20:11:49,672 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:11:49,672 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] [2018-04-11 20:11:49,673 INFO L408 AbstractCegarLoop]: === Iteration 17 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:11:49,673 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 [2018-04-11 20:11:49,682 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:11:49,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:11:49,700 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:11:49,729 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 20:11:49,730 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 [2018-04-11 20:11:49,732 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 [2018-04-11 20:11:49,732 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:11:49,736 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:11:49,740 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. [2018-04-11 20:11:49,740 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-04-11 20:11:49,781 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 [2018-04-11 20:11:49,785 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 [2018-04-11 20:11:49,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:11:49,796 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:11:49,814 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 [2018-04-11 20:11:49,817 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 [2018-04-11 20:11:49,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:11:49,870 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:11:49,870 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2018-04-11 20:11:49,870 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-11 20:11:49,870 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-11 20:11:49,871 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=45, Unknown=4, NotChecked=60, Total=132 [2018-04-11 20:11:49,871 INFO L87 Difference]: Start difference. First operand 182 states and 192 transitions. Second operand 12 states. [2018-04-11 20:11:49,888 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 [2018-04-11 20:11:50,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:11:50,357 INFO L93 Difference]: Finished difference Result 288 states and 304 transitions. [2018-04-11 20:11:50,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-11 20:11:50,358 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 55 [2018-04-11 20:11:50,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:11:50,359 INFO L225 Difference]: With dead ends: 288 [2018-04-11 20:11:50,359 INFO L226 Difference]: Without dead ends: 249 [2018-04-11 20:11:50,360 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 99 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=125, Unknown=6, NotChecked=130, Total=306 [2018-04-11 20:11:50,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2018-04-11 20:11:50,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 184. [2018-04-11 20:11:50,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2018-04-11 20:11:50,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 195 transitions. [2018-04-11 20:11:50,374 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 195 transitions. Word has length 55 [2018-04-11 20:11:50,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:11:50,375 INFO L459 AbstractCegarLoop]: Abstraction has 184 states and 195 transitions. [2018-04-11 20:11:50,375 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-11 20:11:50,375 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 195 transitions. [2018-04-11 20:11:50,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-04-11 20:11:50,376 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:11:50,376 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] [2018-04-11 20:11:50,376 INFO L408 AbstractCegarLoop]: === Iteration 18 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:11:50,376 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 [2018-04-11 20:11:50,392 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:11:50,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:11:50,416 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:11:50,447 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 20:11:50,448 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 [2018-04-11 20:11:50,450 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 [2018-04-11 20:11:50,451 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:11:50,454 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:11:50,458 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. [2018-04-11 20:11:50,458 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-04-11 20:11:50,481 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 [2018-04-11 20:11:50,485 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 [2018-04-11 20:11:50,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:11:50,492 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:11:50,511 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 [2018-04-11 20:11:50,529 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 [2018-04-11 20:11:50,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:11:50,579 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:11:50,579 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2018-04-11 20:11:50,580 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-11 20:11:50,580 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-11 20:11:50,580 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=45, Unknown=4, NotChecked=60, Total=132 [2018-04-11 20:11:50,580 INFO L87 Difference]: Start difference. First operand 184 states and 195 transitions. Second operand 12 states. [2018-04-11 20:11:50,591 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 [2018-04-11 20:11:50,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:11:50,895 INFO L93 Difference]: Finished difference Result 187 states and 195 transitions. [2018-04-11 20:11:50,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-11 20:11:50,895 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 56 [2018-04-11 20:11:50,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:11:50,896 INFO L225 Difference]: With dead ends: 187 [2018-04-11 20:11:50,896 INFO L226 Difference]: Without dead ends: 148 [2018-04-11 20:11:50,897 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 101 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=125, Unknown=6, NotChecked=130, Total=306 [2018-04-11 20:11:50,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-04-11 20:11:50,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 81. [2018-04-11 20:11:50,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-04-11 20:11:50,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 83 transitions. [2018-04-11 20:11:50,904 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 83 transitions. Word has length 56 [2018-04-11 20:11:50,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:11:50,904 INFO L459 AbstractCegarLoop]: Abstraction has 81 states and 83 transitions. [2018-04-11 20:11:50,904 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-11 20:11:50,904 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 83 transitions. [2018-04-11 20:11:50,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-04-11 20:11:50,905 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:11:50,905 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] [2018-04-11 20:11:50,905 INFO L408 AbstractCegarLoop]: === Iteration 19 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:11:50,906 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 [2018-04-11 20:11:50,914 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:11:50,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:11:50,937 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:11:50,939 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 [2018-04-11 20:11:50,939 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:11:50,945 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 [2018-04-11 20:11:50,945 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:11:50,949 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:11:50,950 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-04-11 20:11:50,962 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 20:11:50,964 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 [2018-04-11 20:11:50,964 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:11:50,975 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 20:11:50,975 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 20:11:50,976 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 [2018-04-11 20:11:50,976 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:11:50,981 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:11:50,981 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2018-04-11 20:11:51,002 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 12 [2018-04-11 20:11:51,004 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 [2018-04-11 20:11:51,004 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:11:51,006 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:11:51,010 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:11:51,010 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:25, output treesize:21 [2018-04-11 20:11:51,024 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 [2018-04-11 20:11:51,026 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 [2018-04-11 20:11:51,026 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:11:51,034 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:11:51,039 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. [2018-04-11 20:11:51,039 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:32, output treesize:28 [2018-04-11 20:11:51,144 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 [2018-04-11 20:11:51,150 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 [2018-04-11 20:11:51,150 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-11 20:11:51,157 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 [2018-04-11 20:11:51,157 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-11 20:11:51,160 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 20:11:51,170 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-11 20:11:51,170 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:45, output treesize:34 [2018-04-11 20:11:51,301 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:11:51,301 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:11:51,684 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 [2018-04-11 20:11:51,692 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 [2018-04-11 20:11:51,692 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:11:51,694 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:11:51,699 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-11 20:11:51,699 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:31, output treesize:35 [2018-04-11 20:11:52,111 WARN L148 SmtUtils]: Spent 334ms on a formula simplification that was a NOOP. DAG size: 34 [2018-04-11 20:11:52,576 WARN L148 SmtUtils]: Spent 419ms on a formula simplification that was a NOOP. DAG size: 34 [2018-04-11 20:11:52,594 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:11:52,613 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:11:52,613 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15] total 31 [2018-04-11 20:11:52,614 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-04-11 20:11:52,614 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-04-11 20:11:52,614 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=896, Unknown=0, NotChecked=0, Total=992 [2018-04-11 20:11:52,614 INFO L87 Difference]: Start difference. First operand 81 states and 83 transitions. Second operand 32 states. [2018-04-11 20:11:54,778 WARN L151 SmtUtils]: Spent 1544ms on a formula simplification. DAG size of input: 55 DAG size of output 44 [2018-04-11 20:11:58,561 WARN L151 SmtUtils]: Spent 3476ms on a formula simplification. DAG size of input: 56 DAG size of output 47 [2018-04-11 20:12:01,769 WARN L151 SmtUtils]: Spent 2754ms on a formula simplification. DAG size of input: 61 DAG size of output 50 [2018-04-11 20:12:01,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:12:01,776 INFO L93 Difference]: Finished difference Result 89 states and 91 transitions. [2018-04-11 20:12:01,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-04-11 20:12:01,776 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 63 [2018-04-11 20:12:01,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:12:01,777 INFO L225 Difference]: With dead ends: 89 [2018-04-11 20:12:01,777 INFO L226 Difference]: Without dead ends: 88 [2018-04-11 20:12:01,778 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 94 SyntacticMatches, 1 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 332 ImplicationChecksByTransitivity, 10.3s TimeCoverageRelationStatistics Valid=484, Invalid=2378, Unknown=0, NotChecked=0, Total=2862 [2018-04-11 20:12:01,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2018-04-11 20:12:01,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 80. [2018-04-11 20:12:01,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-04-11 20:12:01,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 82 transitions. [2018-04-11 20:12:01,786 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 82 transitions. Word has length 63 [2018-04-11 20:12:01,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:12:01,786 INFO L459 AbstractCegarLoop]: Abstraction has 80 states and 82 transitions. [2018-04-11 20:12:01,786 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-04-11 20:12:01,786 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 82 transitions. [2018-04-11 20:12:01,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-04-11 20:12:01,787 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:12:01,787 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] [2018-04-11 20:12:01,787 INFO L408 AbstractCegarLoop]: === Iteration 20 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:12:01,787 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 [2018-04-11 20:12:01,794 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:12:01,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:12:01,817 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:12:01,822 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 [2018-04-11 20:12:01,822 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:12:01,825 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:12:01,825 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-11 20:12:01,834 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 [2018-04-11 20:12:01,836 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 [2018-04-11 20:12:01,836 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:12:01,837 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:12:01,839 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:12:01,839 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:15, output treesize:11 [2018-04-11 20:12:01,944 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 [2018-04-11 20:12:01,956 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 [2018-04-11 20:12:01,956 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 4 xjuncts. [2018-04-11 20:12:01,988 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 [2018-04-11 20:12:01,989 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-11 20:12:02,019 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 [2018-04-11 20:12:02,019 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 20:12:02,020 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 [2018-04-11 20:12:02,021 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-11 20:12:02,048 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-04-11 20:12:02,076 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-04-11 20:12:02,076 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 3 variables, input treesize:44, output treesize:91 [2018-04-11 20:12:02,203 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:12:02,204 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:12:02,779 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 [2018-04-11 20:12:02,807 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 [2018-04-11 20:12:02,808 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:12:02,819 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 [2018-04-11 20:12:02,819 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-11 20:12:02,830 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-04-11 20:12:02,830 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 20:12:02,833 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:12:02,841 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-11 20:12:02,842 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:65, output treesize:35 [2018-04-11 20:12:02,932 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:12:02,951 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:12:02,951 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 35 [2018-04-11 20:12:02,952 INFO L442 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-04-11 20:12:02,952 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-04-11 20:12:02,952 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=1119, Unknown=0, NotChecked=0, Total=1260 [2018-04-11 20:12:02,952 INFO L87 Difference]: Start difference. First operand 80 states and 82 transitions. Second operand 36 states. [2018-04-11 20:12:04,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:12:04,604 INFO L93 Difference]: Finished difference Result 91 states and 93 transitions. [2018-04-11 20:12:04,604 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-04-11 20:12:04,604 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 67 [2018-04-11 20:12:04,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:12:04,605 INFO L225 Difference]: With dead ends: 91 [2018-04-11 20:12:04,605 INFO L226 Difference]: Without dead ends: 0 [2018-04-11 20:12:04,606 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 723 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=959, Invalid=3871, Unknown=0, NotChecked=0, Total=4830 [2018-04-11 20:12:04,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-11 20:12:04,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-11 20:12:04,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-11 20:12:04,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-11 20:12:04,606 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 67 [2018-04-11 20:12:04,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:12:04,607 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-11 20:12:04,607 INFO L460 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-04-11 20:12:04,607 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-11 20:12:04,607 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-11 20:12:04,610 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-04-11 20:12:04,832 WARN L151 SmtUtils]: Spent 111ms on a formula simplification. DAG size of input: 199 DAG size of output 196 [2018-04-11 20:12:06,808 WARN L151 SmtUtils]: Spent 1906ms on a formula simplification. DAG size of input: 166 DAG size of output 75 [2018-04-11 20:12:22,998 WARN L151 SmtUtils]: Spent 16187ms on a formula simplification. DAG size of input: 237 DAG size of output 109 [2018-04-11 20:12:23,025 INFO L416 ceAbstractionStarter]: For program point L59(line 59) no Hoare annotation was computed. [2018-04-11 20:12:23,025 INFO L416 ceAbstractionStarter]: For program point L59'(line 59) no Hoare annotation was computed. [2018-04-11 20:12:23,026 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. [2018-04-11 20:12:23,026 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. [2018-04-11 20:12:23,026 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. [2018-04-11 20:12:23,026 INFO L416 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-04-11 20:12:23,026 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-04-11 20:12:23,026 INFO L412 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-04-11 20:12:23,026 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-04-11 20:12:23,026 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. [2018-04-11 20:12:23,026 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. [2018-04-11 20:12:23,026 INFO L416 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-04-11 20:12:23,026 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. [2018-04-11 20:12:23,026 INFO L416 ceAbstractionStarter]: For program point L64'(line 64) no Hoare annotation was computed. [2018-04-11 20:12:23,026 INFO L416 ceAbstractionStarter]: For program point cstrcmpErr1RequiresViolation(line 543) no Hoare annotation was computed. [2018-04-11 20:12:23,027 INFO L416 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-04-11 20:12:23,027 INFO L416 ceAbstractionStarter]: For program point L540(lines 540 550) no Hoare annotation was computed. [2018-04-11 20:12:23,027 INFO L416 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-04-11 20:12:23,027 INFO L416 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-04-11 20:12:23,027 INFO L416 ceAbstractionStarter]: For program point L543(lines 543 546) no Hoare annotation was computed. [2018-04-11 20:12:23,027 INFO L416 ceAbstractionStarter]: For program point cstrcmpErr0RequiresViolation(line 543) no Hoare annotation was computed. [2018-04-11 20:12:23,027 INFO L416 ceAbstractionStarter]: For program point L549(line 549) no Hoare annotation was computed. [2018-04-11 20:12:23,027 INFO L416 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-04-11 20:12:23,027 INFO L416 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-04-11 20:12:23,027 INFO L416 ceAbstractionStarter]: For program point cstrcmpErr2RequiresViolation(line 543) no Hoare annotation was computed. [2018-04-11 20:12:23,027 INFO L416 ceAbstractionStarter]: For program point L549'''(line 549) no Hoare annotation was computed. [2018-04-11 20:12:23,027 INFO L416 ceAbstractionStarter]: For program point L549''''(line 549) no Hoare annotation was computed. [2018-04-11 20:12:23,027 INFO L416 ceAbstractionStarter]: For program point L543'''(line 543) no Hoare annotation was computed. [2018-04-11 20:12:23,027 INFO L416 ceAbstractionStarter]: For program point L542'(line 542) no Hoare annotation was computed. [2018-04-11 20:12:23,027 INFO L416 ceAbstractionStarter]: For program point L543'''''''''(line 543) no Hoare annotation was computed. [2018-04-11 20:12:23,028 INFO L416 ceAbstractionStarter]: For program point cstrcmpErr9RequiresViolation(line 548) no Hoare annotation was computed. [2018-04-11 20:12:23,028 INFO L416 ceAbstractionStarter]: For program point cstrcmpErr7RequiresViolation(line 547) no Hoare annotation was computed. [2018-04-11 20:12:23,028 INFO L416 ceAbstractionStarter]: For program point cstrcmpErr4RequiresViolation(line 543) no Hoare annotation was computed. [2018-04-11 20:12:23,028 INFO L416 ceAbstractionStarter]: For program point L543'''''''''''(line 543) no Hoare annotation was computed. [2018-04-11 20:12:23,028 INFO L416 ceAbstractionStarter]: For program point L543'(line 543) no Hoare annotation was computed. [2018-04-11 20:12:23,028 INFO L416 ceAbstractionStarter]: For program point L545''(line 545) no Hoare annotation was computed. [2018-04-11 20:12:23,028 INFO L416 ceAbstractionStarter]: For program point L543''(line 543) no Hoare annotation was computed. [2018-04-11 20:12:23,028 INFO L416 ceAbstractionStarter]: For program point L547'(line 547) no Hoare annotation was computed. [2018-04-11 20:12:23,028 INFO L416 ceAbstractionStarter]: For program point cstrcmpEXIT(lines 540 550) no Hoare annotation was computed. [2018-04-11 20:12:23,028 INFO L416 ceAbstractionStarter]: For program point L543'''''''''''''(line 543) no Hoare annotation was computed. [2018-04-11 20:12:23,028 INFO L416 ceAbstractionStarter]: For program point cstrcmpErr6RequiresViolation(line 547) no Hoare annotation was computed. [2018-04-11 20:12:23,028 INFO L416 ceAbstractionStarter]: For program point L543''''(line 543) no Hoare annotation was computed. [2018-04-11 20:12:23,028 INFO L416 ceAbstractionStarter]: For program point L543'''''(line 543) no Hoare annotation was computed. [2018-04-11 20:12:23,028 INFO L416 ceAbstractionStarter]: For program point L543''''''''''''''''''(lines 543 546) no Hoare annotation was computed. [2018-04-11 20:12:23,028 INFO L416 ceAbstractionStarter]: For program point L549'''''(line 549) no Hoare annotation was computed. [2018-04-11 20:12:23,029 INFO L416 ceAbstractionStarter]: For program point cstrcmpErr5RequiresViolation(line 543) no Hoare annotation was computed. [2018-04-11 20:12:23,029 INFO L416 ceAbstractionStarter]: For program point L544'(line 544) no Hoare annotation was computed. [2018-04-11 20:12:23,029 INFO L416 ceAbstractionStarter]: For program point cstrcmpFINAL(lines 540 550) no Hoare annotation was computed. [2018-04-11 20:12:23,029 INFO L416 ceAbstractionStarter]: For program point L548'(line 548) no Hoare annotation was computed. [2018-04-11 20:12:23,029 INFO L416 ceAbstractionStarter]: For program point L543''''''''(line 543) no Hoare annotation was computed. [2018-04-11 20:12:23,029 INFO L419 ceAbstractionStarter]: At program point cstrcmpENTRY(lines 540 550) the Hoare annotation is: true [2018-04-11 20:12:23,029 INFO L416 ceAbstractionStarter]: For program point cstrcmpErr8RequiresViolation(line 548) no Hoare annotation was computed. [2018-04-11 20:12:23,029 INFO L416 ceAbstractionStarter]: For program point cstrcmpErr3RequiresViolation(line 543) no Hoare annotation was computed. [2018-04-11 20:12:23,029 INFO L416 ceAbstractionStarter]: For program point L543''''''''''(line 543) no Hoare annotation was computed. [2018-04-11 20:12:23,029 INFO L416 ceAbstractionStarter]: For program point L543'''''''(lines 543 546) no Hoare annotation was computed. [2018-04-11 20:12:23,029 INFO L416 ceAbstractionStarter]: For program point L543'''''''''''''''(line 543) no Hoare annotation was computed. [2018-04-11 20:12:23,029 INFO L416 ceAbstractionStarter]: For program point L543''''''''''''''(line 543) no Hoare annotation was computed. [2018-04-11 20:12:23,029 INFO L416 ceAbstractionStarter]: For program point L543''''''''''''''''(line 543) no Hoare annotation was computed. [2018-04-11 20:12:23,030 INFO L412 ceAbstractionStarter]: At program point L543'''''''''''''''''(lines 543 546) the Hoare annotation is: (let ((.cse4 (select |#length| cstrcmp_~s1.base))) (let ((.cse1 (= 0 (select (select |#memory_int| cstrcmp_~s1.base) (+ .cse4 (- 1))))) (.cse0 (= 1 (select |#valid| cstrcmp_~s1.base))) (.cse2 (select |#length| |cstrcmp_#in~s2.base|))) (or (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 .cse0 (= 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)) .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|) (+ .cse2 (- 1))) 0)) (let ((.cse3 (select |#length| cstrcmp_~s2.base))) (and (= (select (select |#memory_int| cstrcmp_~s2.base) (+ .cse3 (- 1))) 0) .cse1 (<= 1 cstrcmp_~s1.offset) (and .cse0 (<= (+ cstrcmp_~s1.offset 1) .cse4) (= (select |#valid| cstrcmp_~s2.base) 1) (<= (+ cstrcmp_~s2.offset 1) .cse3) (<= 1 cstrcmp_~s2.offset)))) (or (< |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) (< .cse2 (+ |cstrcmp_#in~s2.offset| 1)) (not (= 1 (select |#valid| |cstrcmp_#in~s2.base|))))))) [2018-04-11 20:12:23,030 INFO L416 ceAbstractionStarter]: For program point L544''(line 544) no Hoare annotation was computed. [2018-04-11 20:12:23,030 INFO L416 ceAbstractionStarter]: For program point L545'(line 545) no Hoare annotation was computed. [2018-04-11 20:12:23,030 INFO L416 ceAbstractionStarter]: For program point L548''(line 548) no Hoare annotation was computed. [2018-04-11 20:12:23,030 INFO L416 ceAbstractionStarter]: For program point L549'(line 549) no Hoare annotation was computed. [2018-04-11 20:12:23,030 INFO L419 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-04-11 20:12:23,030 INFO L419 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-04-11 20:12:23,030 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-04-11 20:12:23,030 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-04-11 20:12:23,030 INFO L416 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-04-11 20:12:23,030 INFO L416 ceAbstractionStarter]: For program point mainErr1RequiresViolation(line 562) no Hoare annotation was computed. [2018-04-11 20:12:23,030 INFO L416 ceAbstractionStarter]: For program point L561'(line 561) no Hoare annotation was computed. [2018-04-11 20:12:23,030 INFO L416 ceAbstractionStarter]: For program point L564(line 564) no Hoare annotation was computed. [2018-04-11 20:12:23,031 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)))))) [2018-04-11 20:12:23,031 INFO L416 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-04-11 20:12:23,031 INFO L416 ceAbstractionStarter]: For program point L553'(line 553) no Hoare annotation was computed. [2018-04-11 20:12:23,031 INFO L416 ceAbstractionStarter]: For program point L561(line 561) no Hoare annotation was computed. [2018-04-11 20:12:23,031 INFO L416 ceAbstractionStarter]: For program point mainErr0RequiresViolation(line 562) no Hoare annotation was computed. [2018-04-11 20:12:23,031 INFO L416 ceAbstractionStarter]: For program point L553''(line 553) no Hoare annotation was computed. [2018-04-11 20:12:23,031 INFO L416 ceAbstractionStarter]: For program point mainErr2RequiresViolation(line 563) no Hoare annotation was computed. [2018-04-11 20:12:23,031 INFO L416 ceAbstractionStarter]: For program point L554''(lines 551 565) no Hoare annotation was computed. [2018-04-11 20:12:23,031 INFO L416 ceAbstractionStarter]: For program point L560'(line 560) no Hoare annotation was computed. [2018-04-11 20:12:23,031 INFO L416 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-04-11 20:12:23,032 INFO L416 ceAbstractionStarter]: For program point mainErr3RequiresViolation(line 563) no Hoare annotation was computed. [2018-04-11 20:12:23,032 INFO L416 ceAbstractionStarter]: For program point L552(line 552) no Hoare annotation was computed. [2018-04-11 20:12:23,032 INFO L416 ceAbstractionStarter]: For program point L562'(line 562) no Hoare annotation was computed. [2018-04-11 20:12:23,032 INFO L416 ceAbstractionStarter]: For program point L552'(line 552) no Hoare annotation was computed. [2018-04-11 20:12:23,032 INFO L416 ceAbstractionStarter]: For program point L564'(line 564) no Hoare annotation was computed. [2018-04-11 20:12:23,032 INFO L416 ceAbstractionStarter]: For program point mainFINAL(lines 551 565) no Hoare annotation was computed. [2018-04-11 20:12:23,032 INFO L416 ceAbstractionStarter]: For program point L555(line 555) no Hoare annotation was computed. [2018-04-11 20:12:23,032 INFO L416 ceAbstractionStarter]: For program point L554(lines 554 556) no Hoare annotation was computed. [2018-04-11 20:12:23,032 INFO L416 ceAbstractionStarter]: For program point mainErr4EnsuresViolationMEMORY_LEAK(lines 551 565) no Hoare annotation was computed. [2018-04-11 20:12:23,032 INFO L416 ceAbstractionStarter]: For program point L558(line 558) no Hoare annotation was computed. [2018-04-11 20:12:23,032 INFO L416 ceAbstractionStarter]: For program point mainEXIT(lines 551 565) no Hoare annotation was computed. [2018-04-11 20:12:23,032 INFO L412 ceAbstractionStarter]: At program point mainENTRY(lines 551 565) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-04-11 20:12:23,032 INFO L416 ceAbstractionStarter]: For program point L561''(line 561) no Hoare annotation was computed. [2018-04-11 20:12:23,032 INFO L416 ceAbstractionStarter]: For program point L564''(line 564) no Hoare annotation was computed. [2018-04-11 20:12:23,032 INFO L416 ceAbstractionStarter]: For program point L560''(line 560) no Hoare annotation was computed. [2018-04-11 20:12:23,033 INFO L416 ceAbstractionStarter]: For program point L561'''(line 561) no Hoare annotation was computed. [2018-04-11 20:12:23,033 INFO L416 ceAbstractionStarter]: For program point L557'(lines 557 559) no Hoare annotation was computed. [2018-04-11 20:12:23,039 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-11 20:12:23,040 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-11 20:12:23,041 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-04-11 20:12:23,041 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-11 20:12:23,041 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-11 20:12:23,042 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-11 20:12:23,042 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-11 20:12:23,042 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-11 20:12:23,042 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-11 20:12:23,043 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-11 20:12:23,043 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-11 20:12:23,044 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-11 20:12:23,044 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-11 20:12:23,044 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-11 20:12:23,044 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-11 20:12:23,045 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-11 20:12:23,045 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-11 20:12:23,045 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-11 20:12:23,045 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-11 20:12:23,045 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-11 20:12:23,047 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:12:23,048 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:12:23,048 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:12:23,048 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:12:23,048 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:12:23,048 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:12:23,049 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:12:23,049 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:12:23,049 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:12:23,049 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:12:23,049 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:12:23,049 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:12:23,049 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:12:23,050 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:12:23,050 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:12:23,050 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:12:23,050 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:12:23,050 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:12:23,050 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:12:23,056 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-11 20:12:23,057 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-11 20:12:23,057 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-04-11 20:12:23,057 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-11 20:12:23,057 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-11 20:12:23,058 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-11 20:12:23,058 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-11 20:12:23,058 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-11 20:12:23,058 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-11 20:12:23,059 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-11 20:12:23,059 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-11 20:12:23,060 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-11 20:12:23,060 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-11 20:12:23,060 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-11 20:12:23,060 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-11 20:12:23,060 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-11 20:12:23,061 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-11 20:12:23,061 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-11 20:12:23,061 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-11 20:12:23,061 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-11 20:12:23,062 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:12:23,062 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:12:23,062 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:12:23,062 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:12:23,063 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:12:23,063 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:12:23,063 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:12:23,063 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:12:23,063 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:12:23,064 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:12:23,064 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:12:23,064 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:12:23,064 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:12:23,065 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:12:23,065 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:12:23,065 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:12:23,065 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:12:23,065 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:12:23,066 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:12:23,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.04 08:12:23 BoogieIcfgContainer [2018-04-11 20:12:23,069 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-11 20:12:23,070 INFO L168 Benchmark]: Toolchain (without parser) took 48568.38 ms. Allocated memory was 308.3 MB in the beginning and 627.6 MB in the end (delta: 319.3 MB). Free memory was 245.8 MB in the beginning and 380.8 MB in the end (delta: -135.1 MB). Peak memory consumption was 184.2 MB. Max. memory is 5.3 GB. [2018-04-11 20:12:23,071 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 308.3 MB. Free memory is still 270.6 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 20:12:23,072 INFO L168 Benchmark]: CACSL2BoogieTranslator took 302.80 ms. Allocated memory is still 308.3 MB. Free memory was 245.8 MB in the beginning and 221.7 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 5.3 GB. [2018-04-11 20:12:23,072 INFO L168 Benchmark]: Boogie Preprocessor took 57.50 ms. Allocated memory is still 308.3 MB. Free memory was 221.7 MB in the beginning and 219.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-04-11 20:12:23,072 INFO L168 Benchmark]: RCFGBuilder took 621.13 ms. Allocated memory was 308.3 MB in the beginning and 472.4 MB in the end (delta: 164.1 MB). Free memory was 218.8 MB in the beginning and 405.8 MB in the end (delta: -187.0 MB). Peak memory consumption was 20.8 MB. Max. memory is 5.3 GB. [2018-04-11 20:12:23,073 INFO L168 Benchmark]: TraceAbstraction took 47581.86 ms. Allocated memory was 472.4 MB in the beginning and 627.6 MB in the end (delta: 155.2 MB). Free memory was 405.8 MB in the beginning and 380.8 MB in the end (delta: 25.0 MB). Peak memory consumption was 180.2 MB. Max. memory is 5.3 GB. [2018-04-11 20:12:23,074 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 308.3 MB. Free memory is still 270.6 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 302.80 ms. Allocated memory is still 308.3 MB. Free memory was 245.8 MB in the beginning and 221.7 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 57.50 ms. Allocated memory is still 308.3 MB. Free memory was 221.7 MB in the beginning and 219.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 621.13 ms. Allocated memory was 308.3 MB in the beginning and 472.4 MB in the end (delta: 164.1 MB). Free memory was 218.8 MB in the beginning and 405.8 MB in the end (delta: -187.0 MB). Peak memory consumption was 20.8 MB. Max. memory is 5.3 GB. * TraceAbstraction took 47581.86 ms. Allocated memory was 472.4 MB in the beginning and 627.6 MB in the end (delta: 155.2 MB). Free memory was 405.8 MB in the beginning and 380.8 MB in the end (delta: 25.0 MB). Peak memory consumption was 180.2 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[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[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 #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length * 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 [2018-04-11 20:12:23,083 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-11 20:12:23,083 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-11 20:12:23,084 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-04-11 20:12:23,084 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-11 20:12:23,084 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-11 20:12:23,084 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-11 20:12:23,084 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-11 20:12:23,084 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-11 20:12:23,084 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-11 20:12:23,085 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-11 20:12:23,085 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-11 20:12:23,085 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-11 20:12:23,085 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-11 20:12:23,085 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-11 20:12:23,085 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-11 20:12:23,086 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-11 20:12:23,086 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-11 20:12:23,086 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-11 20:12:23,086 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-11 20:12:23,086 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-11 20:12:23,086 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:12:23,086 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:12:23,087 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:12:23,087 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:12:23,087 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:12:23,087 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:12:23,087 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:12:23,087 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:12:23,087 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:12:23,087 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:12:23,088 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:12:23,088 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:12:23,088 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:12:23,088 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:12:23,088 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:12:23,088 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:12:23,088 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:12:23,088 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:12:23,088 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:12:23,090 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-11 20:12:23,090 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-11 20:12:23,090 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-04-11 20:12:23,090 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-11 20:12:23,091 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-11 20:12:23,091 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-11 20:12:23,091 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-11 20:12:23,091 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-11 20:12:23,091 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-11 20:12:23,091 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-11 20:12:23,092 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-11 20:12:23,092 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-11 20:12:23,092 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-11 20:12:23,092 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-11 20:12:23,092 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-11 20:12:23,092 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-11 20:12:23,093 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-11 20:12:23,093 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-11 20:12:23,093 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-11 20:12:23,093 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-11 20:12:23,093 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:12:23,093 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:12:23,093 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:12:23,094 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:12:23,094 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:12:23,094 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:12:23,094 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:12:23,094 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:12:23,094 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:12:23,094 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:12:23,094 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:12:23,095 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:12:23,095 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:12:23,095 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:12:23,095 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:12:23,095 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:12:23,095 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:12:23,095 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:12:23,095 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: ((((!(\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) && 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)) || (((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)) || (((((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) || unknown-#length-unknown[s2] < s2 + 1) || !(1 == \valid[s2]) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 98 locations, 15 error locations. SAFE Result, 47.4s OverallTime, 20 OverallIterations, 3 TraceHistogramMax, 18.8s AutomataDifference, 0.0s DeadEndRemovalTime, 18.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 1493 SDtfs, 2802 SDslu, 6724 SDs, 0 SdLazy, 4615 SolverSat, 247 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 5.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1811 GetRequests, 1404 SyntacticMatches, 20 SemanticMatches, 387 ConstructedPredicates, 20 IntricatePredicates, 0 DeprecatedPredicates, 2658 ImplicationChecksByTransitivity, 19.3s 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: 0.1s AutomataMinimizationTime, 20 MinimizatonAttempts, 406 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 10 NumberOfFragments, 476 HoareAnnotationTreeSize, 7 FomulaSimplifications, 113 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 4086 FormulaSimplificationTreeSizeReductionInter, 18.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 9.0s 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-0-2018-04-11_20-12-23-101.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-0-2018-04-11_20-12-23-101.csv Received shutdown request...