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 0.1.23-35b68b2 [2018-04-06 19:05:52,985 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-06 19:05:52,987 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-06 19:05:53,002 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-04-06 19:05:53,031 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 [2018-04-06 19:05:53,055 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-06 19:05:53,055 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-06 19:05:53,056 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-04-06 19:05:53,056 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-04-06 19:05:53,057 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-04-06 19:05:53,057 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-04-06 19:05:53,057 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-04-06 19:05:53,057 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-04-06 19:05:53,057 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-04-06 19:05:53,058 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-04-06 19:05:53,058 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-04-06 19:05:53,058 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-04-06 19:05:53,058 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-06 19:05:53,059 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-06 19:05:53,059 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-06 19:05:53,059 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-06 19:05:53,059 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-06 19:05:53,059 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-06 19:05:53,060 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-06 19:05:53,060 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-04-06 19:05:53,060 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-06 19:05:53,060 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-06 19:05:53,060 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-06 19:05:53,061 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-04-06 19:05:53,061 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-04-06 19:05:53,061 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-06 19:05:53,061 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-06 19:05:53,061 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-06 19:05:53,062 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-06 19:05:53,062 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-06 19:05:53,062 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-04-06 19:05:53,062 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-04-06 19:05:53,062 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-06 19:05:53,063 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-04-06 19:05:53,063 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-04-06 19:05:53,064 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-04-06 19:05:53,064 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-04-06 19:05:53,064 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-04-06 19:05:53,098 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-06 19:05:53,110 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-06 19:05:53,114 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-06 19:05:53,115 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-06 19:05:53,116 INFO L276 PluginConnector]: CDTParser initialized [2018-04-06 19:05:53,116 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 [2018-04-06 19:05:53,439 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG25e92786d [2018-04-06 19:05:53,589 INFO L287 CDTParser]: IsIndexed: true [2018-04-06 19:05:53,589 INFO L288 CDTParser]: Found 1 translation units. [2018-04-06 19:05:53,590 INFO L168 CDTParser]: Scanning cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:05:53,601 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-06 19:05:53,601 INFO L215 ultiparseSymbolTable]: [2018-04-06 19:05:53,601 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-06 19:05:53,601 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 [2018-04-06 19:05:53,601 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:05:53,601 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 [2018-04-06 19:05:53,601 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 [2018-04-06 19:05:53,602 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-06 19:05:53,602 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 [2018-04-06 19:05:53,602 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 [2018-04-06 19:05:53,602 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 [2018-04-06 19:05:53,602 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 [2018-04-06 19:05:53,602 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 [2018-04-06 19:05:53,602 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 [2018-04-06 19:05:53,603 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 [2018-04-06 19:05:53,603 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 [2018-04-06 19:05:53,603 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 [2018-04-06 19:05:53,603 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 [2018-04-06 19:05:53,603 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 [2018-04-06 19:05:53,603 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 [2018-04-06 19:05:53,603 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 [2018-04-06 19:05:53,603 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 [2018-04-06 19:05:53,604 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 [2018-04-06 19:05:53,604 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 [2018-04-06 19:05:53,604 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 [2018-04-06 19:05:53,604 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 [2018-04-06 19:05:53,604 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 [2018-04-06 19:05:53,604 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 [2018-04-06 19:05:53,604 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 [2018-04-06 19:05:53,604 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 [2018-04-06 19:05:53,604 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 [2018-04-06 19:05:53,605 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 [2018-04-06 19:05:53,605 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 [2018-04-06 19:05:53,605 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 [2018-04-06 19:05:53,605 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 [2018-04-06 19:05:53,605 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 [2018-04-06 19:05:53,605 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 [2018-04-06 19:05:53,605 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 [2018-04-06 19:05:53,605 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 [2018-04-06 19:05:53,606 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 [2018-04-06 19:05:53,606 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 [2018-04-06 19:05:53,606 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 [2018-04-06 19:05:53,606 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 [2018-04-06 19:05:53,606 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 [2018-04-06 19:05:53,606 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 [2018-04-06 19:05:53,606 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 [2018-04-06 19:05:53,606 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 [2018-04-06 19:05:53,607 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 [2018-04-06 19:05:53,607 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 [2018-04-06 19:05:53,607 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 [2018-04-06 19:05:53,607 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 [2018-04-06 19:05:53,607 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 [2018-04-06 19:05:53,607 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 [2018-04-06 19:05:53,607 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 [2018-04-06 19:05:53,607 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 [2018-04-06 19:05:53,608 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 [2018-04-06 19:05:53,608 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 [2018-04-06 19:05:53,608 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 [2018-04-06 19:05:53,608 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 [2018-04-06 19:05:53,608 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 [2018-04-06 19:05:53,608 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 [2018-04-06 19:05:53,608 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 [2018-04-06 19:05:53,608 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 [2018-04-06 19:05:53,608 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 [2018-04-06 19:05:53,609 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 [2018-04-06 19:05:53,609 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 [2018-04-06 19:05:53,609 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 [2018-04-06 19:05:53,609 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 [2018-04-06 19:05:53,609 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 [2018-04-06 19:05:53,609 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 [2018-04-06 19:05:53,609 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 [2018-04-06 19:05:53,609 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 [2018-04-06 19:05:53,609 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 [2018-04-06 19:05:53,609 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 [2018-04-06 19:05:53,609 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 [2018-04-06 19:05:53,609 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 [2018-04-06 19:05:53,609 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 [2018-04-06 19:05:53,609 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 [2018-04-06 19:05:53,610 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 [2018-04-06 19:05:53,610 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 [2018-04-06 19:05:53,610 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 [2018-04-06 19:05:53,610 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 [2018-04-06 19:05:53,610 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 [2018-04-06 19:05:53,610 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 [2018-04-06 19:05:53,610 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 [2018-04-06 19:05:53,610 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 [2018-04-06 19:05:53,610 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 [2018-04-06 19:05:53,610 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 [2018-04-06 19:05:53,610 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 [2018-04-06 19:05:53,610 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 [2018-04-06 19:05:53,610 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 [2018-04-06 19:05:53,610 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 [2018-04-06 19:05:53,610 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 [2018-04-06 19:05:53,610 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 [2018-04-06 19:05:53,611 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 [2018-04-06 19:05:53,611 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 [2018-04-06 19:05:53,611 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 [2018-04-06 19:05:53,611 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 [2018-04-06 19:05:53,611 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 [2018-04-06 19:05:53,611 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 [2018-04-06 19:05:53,611 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 [2018-04-06 19:05:53,611 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 [2018-04-06 19:05:53,611 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 [2018-04-06 19:05:53,611 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 [2018-04-06 19:05:53,611 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 [2018-04-06 19:05:53,611 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 [2018-04-06 19:05:53,611 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 [2018-04-06 19:05:53,611 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 [2018-04-06 19:05:53,612 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 [2018-04-06 19:05:53,612 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 [2018-04-06 19:05:53,612 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 [2018-04-06 19:05:53,612 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 [2018-04-06 19:05:53,612 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 [2018-04-06 19:05:53,612 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 [2018-04-06 19:05:53,612 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 [2018-04-06 19:05:53,612 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 [2018-04-06 19:05:53,612 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 [2018-04-06 19:05:53,612 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 [2018-04-06 19:05:53,612 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 [2018-04-06 19:05:53,613 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 [2018-04-06 19:05:53,613 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 [2018-04-06 19:05:53,613 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 [2018-04-06 19:05:53,613 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 [2018-04-06 19:05:53,613 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 [2018-04-06 19:05:53,613 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 [2018-04-06 19:05:53,613 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 [2018-04-06 19:05:53,613 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 [2018-04-06 19:05:53,614 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 [2018-04-06 19:05:53,634 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG25e92786d [2018-04-06 19:05:53,638 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-06 19:05:53,640 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-06 19:05:53,641 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-06 19:05:53,641 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-06 19:05:53,646 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-06 19:05:53,647 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 07:05:53" (1/1) ... [2018-04-06 19:05:53,649 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@515567f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:05:53, skipping insertion in model container [2018-04-06 19:05:53,649 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 07:05:53" (1/1) ... [2018-04-06 19:05:53,663 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-06 19:05:53,692 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-06 19:05:53,860 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-06 19:05:53,910 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-06 19:05:53,917 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-06 19:05:53,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:05:53 WrapperNode [2018-04-06 19:05:53,955 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-06 19:05:53,956 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-06 19:05:53,956 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-06 19:05:53,956 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-06 19:05:53,966 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:05:53" (1/1) ... [2018-04-06 19:05:53,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:05:53" (1/1) ... [2018-04-06 19:05:53,981 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:05:53" (1/1) ... [2018-04-06 19:05:53,981 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:05:53" (1/1) ... [2018-04-06 19:05:53,993 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:05:53" (1/1) ... [2018-04-06 19:05:53,999 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:05:53" (1/1) ... [2018-04-06 19:05:54,002 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:05:53" (1/1) ... [2018-04-06 19:05:54,007 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-06 19:05:54,008 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-06 19:05:54,008 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-06 19:05:54,008 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-06 19:05:54,009 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:05:53" (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 [2018-04-06 19:05:54,161 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-06 19:05:54,161 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-06 19:05:54,161 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-06 19:05:54,161 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-06 19:05:54,161 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrcmp [2018-04-06 19:05:54,161 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-06 19:05:54,161 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-06 19:05:54,161 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-06 19:05:54,162 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-06 19:05:54,162 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-06 19:05:54,162 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-06 19:05:54,162 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-06 19:05:54,162 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-06 19:05:54,162 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-06 19:05:54,162 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-06 19:05:54,162 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-06 19:05:54,162 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-06 19:05:54,162 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-06 19:05:54,163 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-06 19:05:54,163 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-06 19:05:54,163 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-06 19:05:54,163 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-06 19:05:54,163 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-06 19:05:54,163 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-06 19:05:54,163 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-06 19:05:54,163 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-06 19:05:54,163 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-06 19:05:54,163 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-06 19:05:54,164 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-06 19:05:54,164 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-06 19:05:54,164 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-06 19:05:54,164 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-06 19:05:54,164 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-06 19:05:54,164 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-06 19:05:54,164 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-06 19:05:54,164 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-06 19:05:54,164 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-06 19:05:54,165 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-06 19:05:54,165 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-06 19:05:54,165 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-06 19:05:54,165 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-06 19:05:54,165 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-06 19:05:54,165 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-06 19:05:54,165 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-06 19:05:54,166 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-06 19:05:54,166 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-06 19:05:54,166 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-06 19:05:54,166 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-06 19:05:54,166 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-06 19:05:54,166 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-06 19:05:54,166 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-06 19:05:54,166 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-06 19:05:54,167 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-06 19:05:54,167 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-06 19:05:54,167 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-06 19:05:54,167 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-06 19:05:54,167 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-06 19:05:54,167 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-06 19:05:54,167 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-06 19:05:54,168 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-06 19:05:54,168 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-06 19:05:54,168 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-06 19:05:54,168 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-06 19:05:54,168 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-06 19:05:54,168 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-06 19:05:54,168 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-06 19:05:54,168 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-06 19:05:54,169 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-06 19:05:54,169 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-06 19:05:54,169 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-06 19:05:54,169 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-06 19:05:54,169 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-06 19:05:54,169 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-06 19:05:54,169 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-06 19:05:54,169 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-06 19:05:54,170 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-06 19:05:54,170 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-06 19:05:54,170 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-06 19:05:54,170 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-06 19:05:54,170 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-06 19:05:54,170 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-06 19:05:54,170 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-06 19:05:54,170 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-06 19:05:54,171 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-06 19:05:54,171 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-06 19:05:54,171 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-06 19:05:54,171 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-06 19:05:54,171 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-06 19:05:54,171 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-06 19:05:54,171 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-06 19:05:54,171 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-06 19:05:54,172 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-06 19:05:54,172 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-06 19:05:54,172 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-06 19:05:54,172 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-06 19:05:54,172 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-06 19:05:54,172 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-06 19:05:54,172 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-06 19:05:54,172 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-06 19:05:54,173 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-06 19:05:54,173 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-06 19:05:54,173 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-06 19:05:54,173 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-06 19:05:54,173 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-06 19:05:54,173 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-06 19:05:54,173 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-06 19:05:54,173 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-06 19:05:54,174 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-06 19:05:54,174 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-06 19:05:54,174 INFO L128 BoogieDeclarations]: Found specification of procedure cstrcmp [2018-04-06 19:05:54,174 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-06 19:05:54,174 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-06 19:05:54,174 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-06 19:05:54,174 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-06 19:05:54,175 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-06 19:05:54,175 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-06 19:05:54,175 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-06 19:05:54,175 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-06 19:05:54,589 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-06 19:05:54,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 07:05:54 BoogieIcfgContainer [2018-04-06 19:05:54,590 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-06 19:05:54,591 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-06 19:05:54,591 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-06 19:05:54,596 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-06 19:05:54,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.04 07:05:53" (1/3) ... [2018-04-06 19:05:54,597 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c340f48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 07:05:54, skipping insertion in model container [2018-04-06 19:05:54,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:05:53" (2/3) ... [2018-04-06 19:05:54,597 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c340f48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 07:05:54, skipping insertion in model container [2018-04-06 19:05:54,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 07:05:54" (3/3) ... [2018-04-06 19:05:54,600 INFO L107 eAbstractionObserver]: Analyzing ICFG cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:05:54,609 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-06 19:05:54,617 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2018-04-06 19:05:54,661 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-06 19:05:54,662 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-06 19:05:54,662 INFO L370 AbstractCegarLoop]: Hoare is true [2018-04-06 19:05:54,662 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-06 19:05:54,662 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-06 19:05:54,662 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-06 19:05:54,662 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-06 19:05:54,662 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-06 19:05:54,662 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-06 19:05:54,663 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-06 19:05:54,676 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states. [2018-04-06 19:05:54,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-06 19:05:54,681 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 19:05:54,682 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-06 19:05:54,682 INFO L408 AbstractCegarLoop]: === Iteration 1 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-06 19:05:54,686 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 [2018-04-06 19:05:54,697 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 19:05:54,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 19:05:54,740 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 19:05:54,776 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 [2018-04-06 19:05:54,777 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 19:05:54,783 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:05:54,783 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-06 19:05:54,809 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 [2018-04-06 19:05:54,810 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 19:05:54,821 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. [2018-04-06 19:05:54,822 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2018-04-06 19:05:54,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:05:54,833 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 19:05:54,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:05:54,894 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 19:05:54,894 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-06 19:05:54,897 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-06 19:05:54,912 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-06 19:05:54,912 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-06 19:05:54,915 INFO L87 Difference]: Start difference. First operand 88 states. Second operand 4 states. [2018-04-06 19:05:55,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 19:05:55,010 INFO L93 Difference]: Finished difference Result 117 states and 122 transitions. [2018-04-06 19:05:55,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-06 19:05:55,012 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2018-04-06 19:05:55,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 19:05:55,023 INFO L225 Difference]: With dead ends: 117 [2018-04-06 19:05:55,023 INFO L226 Difference]: Without dead ends: 84 [2018-04-06 19:05:55,026 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 [2018-04-06 19:05:55,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2018-04-06 19:05:55,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2018-04-06 19:05:55,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2018-04-06 19:05:55,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 88 transitions. [2018-04-06 19:05:55,066 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 88 transitions. Word has length 19 [2018-04-06 19:05:55,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 19:05:55,067 INFO L459 AbstractCegarLoop]: Abstraction has 84 states and 88 transitions. [2018-04-06 19:05:55,067 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-06 19:05:55,067 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 88 transitions. [2018-04-06 19:05:55,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-06 19:05:55,068 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 19:05:55,068 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-06 19:05:55,068 INFO L408 AbstractCegarLoop]: === Iteration 2 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-06 19:05:55,068 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 [2018-04-06 19:05:55,074 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 19:05:55,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 19:05:55,092 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 19:05:55,121 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 [2018-04-06 19:05:55,122 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 19:05:55,167 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 [2018-04-06 19:05:55,168 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 19:05:55,176 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:05:55,177 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:19, output treesize:17 [2018-04-06 19:05:55,219 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 19:05:55,220 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 19:05:55,222 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 [2018-04-06 19:05:55,222 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 19:05:55,238 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 [2018-04-06 19:05:55,239 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 19:05:55,252 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:05:55,252 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:28, output treesize:12 [2018-04-06 19:05:55,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:05:55,276 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 19:05:57,370 WARN L148 SmtUtils]: Spent 2062ms on a formula simplification that was a NOOP. DAG size: 26 [2018-04-06 19:05:57,421 INFO L267 ElimStorePlain]: Start of recursive call 1: End of recursive call: and 1 xjuncts. [2018-04-06 19:05:57,421 INFO L202 ElimStorePlain]: Needed 1 recursive calls to eliminate 5 variables, input treesize:25, output treesize:3 [2018-04-06 19:05:57,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:05:57,452 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 19:05:57,452 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2018-04-06 19:05:57,454 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-06 19:05:57,454 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-06 19:05:57,454 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-04-06 19:05:57,454 INFO L87 Difference]: Start difference. First operand 84 states and 88 transitions. Second operand 9 states. [2018-04-06 19:05:57,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 19:05:57,695 INFO L93 Difference]: Finished difference Result 84 states and 88 transitions. [2018-04-06 19:05:57,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-06 19:05:57,696 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2018-04-06 19:05:57,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 19:05:57,698 INFO L225 Difference]: With dead ends: 84 [2018-04-06 19:05:57,698 INFO L226 Difference]: Without dead ends: 83 [2018-04-06 19:05:57,699 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 [2018-04-06 19:05:57,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2018-04-06 19:05:57,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2018-04-06 19:05:57,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-04-06 19:05:57,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 87 transitions. [2018-04-06 19:05:57,717 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 87 transitions. Word has length 19 [2018-04-06 19:05:57,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 19:05:57,717 INFO L459 AbstractCegarLoop]: Abstraction has 83 states and 87 transitions. [2018-04-06 19:05:57,717 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-06 19:05:57,718 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 87 transitions. [2018-04-06 19:05:57,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-06 19:05:57,718 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 19:05:57,719 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-06 19:05:57,719 INFO L408 AbstractCegarLoop]: === Iteration 3 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-06 19:05:57,719 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 [2018-04-06 19:05:57,730 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 19:05:57,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 19:05:57,745 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 19:05:57,749 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 [2018-04-06 19:05:57,750 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 19:05:57,751 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:05:57,752 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-06 19:05:57,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:05:57,758 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 19:05:57,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:05:57,802 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 19:05:57,803 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-06 19:05:57,803 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-06 19:05:57,803 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-06 19:05:57,803 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-06 19:05:57,803 INFO L87 Difference]: Start difference. First operand 83 states and 87 transitions. Second operand 4 states. [2018-04-06 19:05:57,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 19:05:57,843 INFO L93 Difference]: Finished difference Result 83 states and 87 transitions. [2018-04-06 19:05:57,843 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-06 19:05:57,843 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-04-06 19:05:57,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 19:05:57,845 INFO L225 Difference]: With dead ends: 83 [2018-04-06 19:05:57,845 INFO L226 Difference]: Without dead ends: 82 [2018-04-06 19:05:57,845 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 [2018-04-06 19:05:57,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-04-06 19:05:57,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2018-04-06 19:05:57,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-04-06 19:05:57,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 86 transitions. [2018-04-06 19:05:57,853 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 86 transitions. Word has length 20 [2018-04-06 19:05:57,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 19:05:57,853 INFO L459 AbstractCegarLoop]: Abstraction has 82 states and 86 transitions. [2018-04-06 19:05:57,853 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-06 19:05:57,853 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 86 transitions. [2018-04-06 19:05:57,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-06 19:05:57,854 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 19:05:57,854 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] [2018-04-06 19:05:57,854 INFO L408 AbstractCegarLoop]: === Iteration 4 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-06 19:05:57,855 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 [2018-04-06 19:05:57,864 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 19:05:57,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 19:05:57,881 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 19:05:57,901 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 [2018-04-06 19:05:57,902 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 19:05:57,906 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:05:57,907 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-04-06 19:05:57,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:05:57,926 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 19:05:58,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:05:58,021 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 19:05:58,021 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2018-04-06 19:05:58,022 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-06 19:05:58,022 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-06 19:05:58,022 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-04-06 19:05:58,022 INFO L87 Difference]: Start difference. First operand 82 states and 86 transitions. Second operand 7 states. [2018-04-06 19:05:58,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 19:05:58,208 INFO L93 Difference]: Finished difference Result 82 states and 86 transitions. [2018-04-06 19:05:58,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-06 19:05:58,208 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-04-06 19:05:58,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 19:05:58,209 INFO L225 Difference]: With dead ends: 82 [2018-04-06 19:05:58,209 INFO L226 Difference]: Without dead ends: 81 [2018-04-06 19:05:58,209 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-04-06 19:05:58,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-04-06 19:05:58,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2018-04-06 19:05:58,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-04-06 19:05:58,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 85 transitions. [2018-04-06 19:05:58,214 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 85 transitions. Word has length 20 [2018-04-06 19:05:58,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 19:05:58,215 INFO L459 AbstractCegarLoop]: Abstraction has 81 states and 85 transitions. [2018-04-06 19:05:58,215 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-06 19:05:58,215 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 85 transitions. [2018-04-06 19:05:58,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-06 19:05:58,216 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 19:05:58,216 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] [2018-04-06 19:05:58,216 INFO L408 AbstractCegarLoop]: === Iteration 5 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-06 19:05:58,216 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 [2018-04-06 19:05:58,226 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 19:05:58,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 19:05:58,243 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 19:05:58,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:05:58,266 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 19:05:58,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:05:58,292 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 19:05:58,292 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2018-04-06 19:05:58,293 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-06 19:05:58,293 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-06 19:05:58,293 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-06 19:05:58,293 INFO L87 Difference]: Start difference. First operand 81 states and 85 transitions. Second operand 5 states. [2018-04-06 19:05:58,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 19:05:58,344 INFO L93 Difference]: Finished difference Result 85 states and 89 transitions. [2018-04-06 19:05:58,344 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-06 19:05:58,345 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2018-04-06 19:05:58,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 19:05:58,346 INFO L225 Difference]: With dead ends: 85 [2018-04-06 19:05:58,346 INFO L226 Difference]: Without dead ends: 82 [2018-04-06 19:05:58,346 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 [2018-04-06 19:05:58,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-04-06 19:05:58,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 81. [2018-04-06 19:05:58,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-04-06 19:05:58,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 86 transitions. [2018-04-06 19:05:58,354 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 86 transitions. Word has length 27 [2018-04-06 19:05:58,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 19:05:58,354 INFO L459 AbstractCegarLoop]: Abstraction has 81 states and 86 transitions. [2018-04-06 19:05:58,354 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-06 19:05:58,354 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 86 transitions. [2018-04-06 19:05:58,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-06 19:05:58,355 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 19:05:58,355 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] [2018-04-06 19:05:58,355 INFO L408 AbstractCegarLoop]: === Iteration 6 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-06 19:05:58,356 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 [2018-04-06 19:05:58,361 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 19:05:58,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 19:05:58,379 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 19:05:58,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:05:58,431 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 19:05:58,437 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 [2018-04-06 19:05:58,438 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 19:05:58,451 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 [2018-04-06 19:05:58,452 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 19:05:58,454 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-06 19:05:58,454 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2018-04-06 19:05:58,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:05:58,488 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 19:05:58,488 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2018-04-06 19:05:58,489 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-06 19:05:58,489 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-06 19:05:58,489 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-04-06 19:05:58,489 INFO L87 Difference]: Start difference. First operand 81 states and 86 transitions. Second operand 8 states. [2018-04-06 19:05:58,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 19:05:58,599 INFO L93 Difference]: Finished difference Result 82 states and 86 transitions. [2018-04-06 19:05:58,599 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-06 19:05:58,599 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 27 [2018-04-06 19:05:58,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 19:05:58,600 INFO L225 Difference]: With dead ends: 82 [2018-04-06 19:05:58,600 INFO L226 Difference]: Without dead ends: 79 [2018-04-06 19:05:58,601 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 [2018-04-06 19:05:58,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-04-06 19:05:58,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2018-04-06 19:05:58,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-04-06 19:05:58,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 83 transitions. [2018-04-06 19:05:58,607 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 83 transitions. Word has length 27 [2018-04-06 19:05:58,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 19:05:58,607 INFO L459 AbstractCegarLoop]: Abstraction has 79 states and 83 transitions. [2018-04-06 19:05:58,608 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-06 19:05:58,608 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 83 transitions. [2018-04-06 19:05:58,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-04-06 19:05:58,609 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 19:05:58,609 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] [2018-04-06 19:05:58,609 INFO L408 AbstractCegarLoop]: === Iteration 7 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-06 19:05:58,609 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 [2018-04-06 19:05:58,615 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 19:05:58,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 19:05:58,636 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 19:05:58,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:05:58,651 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 19:05:58,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:05:58,694 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 19:05:58,695 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2018-04-06 19:05:58,695 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-06 19:05:58,695 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-06 19:05:58,695 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-06 19:05:58,695 INFO L87 Difference]: Start difference. First operand 79 states and 83 transitions. Second operand 5 states. [2018-04-06 19:05:58,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 19:05:58,780 INFO L93 Difference]: Finished difference Result 105 states and 111 transitions. [2018-04-06 19:05:58,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-06 19:05:58,781 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2018-04-06 19:05:58,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 19:05:58,782 INFO L225 Difference]: With dead ends: 105 [2018-04-06 19:05:58,782 INFO L226 Difference]: Without dead ends: 103 [2018-04-06 19:05:58,783 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 [2018-04-06 19:05:58,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-04-06 19:05:58,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 92. [2018-04-06 19:05:58,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-04-06 19:05:58,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 100 transitions. [2018-04-06 19:05:58,792 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 100 transitions. Word has length 31 [2018-04-06 19:05:58,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 19:05:58,792 INFO L459 AbstractCegarLoop]: Abstraction has 92 states and 100 transitions. [2018-04-06 19:05:58,792 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-06 19:05:58,793 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 100 transitions. [2018-04-06 19:05:58,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-04-06 19:05:58,794 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 19:05:58,794 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] [2018-04-06 19:05:58,794 INFO L408 AbstractCegarLoop]: === Iteration 8 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-06 19:05:58,794 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 [2018-04-06 19:05:58,803 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 19:05:58,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 19:05:58,822 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 19:05:58,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:05:58,872 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 19:05:58,878 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 [2018-04-06 19:05:58,879 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 19:05:58,885 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 [2018-04-06 19:05:58,886 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 19:05:58,894 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-06 19:05:58,895 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2018-04-06 19:05:58,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:05:58,932 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 19:05:58,932 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2018-04-06 19:05:58,933 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-06 19:05:58,933 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-06 19:05:58,933 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-04-06 19:05:58,933 INFO L87 Difference]: Start difference. First operand 92 states and 100 transitions. Second operand 8 states. [2018-04-06 19:05:59,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 19:05:59,065 INFO L93 Difference]: Finished difference Result 103 states and 109 transitions. [2018-04-06 19:05:59,065 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-06 19:05:59,065 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 31 [2018-04-06 19:05:59,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 19:05:59,066 INFO L225 Difference]: With dead ends: 103 [2018-04-06 19:05:59,066 INFO L226 Difference]: Without dead ends: 101 [2018-04-06 19:05:59,067 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 [2018-04-06 19:05:59,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-04-06 19:05:59,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 92. [2018-04-06 19:05:59,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-04-06 19:05:59,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 98 transitions. [2018-04-06 19:05:59,073 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 98 transitions. Word has length 31 [2018-04-06 19:05:59,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 19:05:59,073 INFO L459 AbstractCegarLoop]: Abstraction has 92 states and 98 transitions. [2018-04-06 19:05:59,073 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-06 19:05:59,073 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 98 transitions. [2018-04-06 19:05:59,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-04-06 19:05:59,074 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 19:05:59,074 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] [2018-04-06 19:05:59,074 INFO L408 AbstractCegarLoop]: === Iteration 9 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-06 19:05:59,074 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 [2018-04-06 19:05:59,081 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 19:05:59,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 19:05:59,098 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 19:05:59,103 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:05:59,103 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 19:05:59,110 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:05:59,131 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 19:05:59,131 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-06 19:05:59,132 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-06 19:05:59,132 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-06 19:05:59,132 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-06 19:05:59,132 INFO L87 Difference]: Start difference. First operand 92 states and 98 transitions. Second operand 3 states. [2018-04-06 19:05:59,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 19:05:59,140 INFO L93 Difference]: Finished difference Result 152 states and 162 transitions. [2018-04-06 19:05:59,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-06 19:05:59,141 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2018-04-06 19:05:59,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 19:05:59,141 INFO L225 Difference]: With dead ends: 152 [2018-04-06 19:05:59,142 INFO L226 Difference]: Without dead ends: 93 [2018-04-06 19:05:59,142 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 [2018-04-06 19:05:59,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2018-04-06 19:05:59,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2018-04-06 19:05:59,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2018-04-06 19:05:59,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 98 transitions. [2018-04-06 19:05:59,148 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 98 transitions. Word has length 42 [2018-04-06 19:05:59,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 19:05:59,148 INFO L459 AbstractCegarLoop]: Abstraction has 93 states and 98 transitions. [2018-04-06 19:05:59,148 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-06 19:05:59,148 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 98 transitions. [2018-04-06 19:05:59,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-04-06 19:05:59,149 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 19:05:59,150 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] [2018-04-06 19:05:59,150 INFO L408 AbstractCegarLoop]: === Iteration 10 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-06 19:05:59,150 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 [2018-04-06 19:05:59,158 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 19:05:59,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 19:05:59,176 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 19:05:59,192 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-06 19:05:59,192 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 19:05:59,199 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-06 19:05:59,220 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 19:05:59,220 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2018-04-06 19:05:59,220 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-06 19:05:59,220 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-06 19:05:59,220 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-06 19:05:59,221 INFO L87 Difference]: Start difference. First operand 93 states and 98 transitions. Second operand 6 states. [2018-04-06 19:05:59,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 19:05:59,284 INFO L93 Difference]: Finished difference Result 93 states and 98 transitions. [2018-04-06 19:05:59,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-06 19:05:59,285 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 45 [2018-04-06 19:05:59,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 19:05:59,286 INFO L225 Difference]: With dead ends: 93 [2018-04-06 19:05:59,286 INFO L226 Difference]: Without dead ends: 92 [2018-04-06 19:05:59,287 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 [2018-04-06 19:05:59,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-04-06 19:05:59,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2018-04-06 19:05:59,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-04-06 19:05:59,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 97 transitions. [2018-04-06 19:05:59,292 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 97 transitions. Word has length 45 [2018-04-06 19:05:59,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 19:05:59,293 INFO L459 AbstractCegarLoop]: Abstraction has 92 states and 97 transitions. [2018-04-06 19:05:59,293 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-06 19:05:59,293 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 97 transitions. [2018-04-06 19:05:59,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-04-06 19:05:59,294 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 19:05:59,294 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] [2018-04-06 19:05:59,294 INFO L408 AbstractCegarLoop]: === Iteration 11 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-06 19:05:59,295 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 [2018-04-06 19:05:59,303 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 19:05:59,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 19:05:59,327 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 19:05:59,350 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 [2018-04-06 19:05:59,350 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 19:05:59,354 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:05:59,354 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-06 19:05:59,367 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 19:05:59,368 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 19:05:59,369 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 [2018-04-06 19:05:59,369 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 19:05:59,371 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:05:59,371 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:8 [2018-04-06 19:05:59,388 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 [2018-04-06 19:05:59,390 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 [2018-04-06 19:05:59,391 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 19:05:59,392 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:05:59,398 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. [2018-04-06 19:05:59,398 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:25 [2018-04-06 19:05:59,418 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 [2018-04-06 19:05:59,420 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 [2018-04-06 19:05:59,420 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 19:05:59,425 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:05:59,432 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. [2018-04-06 19:05:59,433 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:39, output treesize:35 [2018-04-06 19:05:59,509 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 [2018-04-06 19:05:59,515 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 [2018-04-06 19:05:59,515 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 19:05:59,528 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 [2018-04-06 19:05:59,528 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-06 19:05:59,533 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-06 19:05:59,549 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-06 19:05:59,550 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:48, output treesize:33 [2018-04-06 19:05:59,795 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:05:59,795 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 19:06:00,135 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 [2018-04-06 19:06:00,136 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 19:06:00,142 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 [2018-04-06 19:06:00,151 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 [2018-04-06 19:06:00,151 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-06 19:06:00,152 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:06:00,158 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. [2018-04-06 19:06:00,158 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:35, output treesize:7 [2018-04-06 19:06:00,224 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:06:00,256 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-06 19:06:00,257 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11] total 24 [2018-04-06 19:06:00,257 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-04-06 19:06:00,257 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-04-06 19:06:00,257 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=524, Unknown=0, NotChecked=0, Total=600 [2018-04-06 19:06:00,257 INFO L87 Difference]: Start difference. First operand 92 states and 97 transitions. Second operand 25 states. [2018-04-06 19:06:01,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 19:06:01,350 INFO L93 Difference]: Finished difference Result 183 states and 194 transitions. [2018-04-06 19:06:01,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-04-06 19:06:01,350 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 45 [2018-04-06 19:06:01,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 19:06:01,354 INFO L225 Difference]: With dead ends: 183 [2018-04-06 19:06:01,354 INFO L226 Difference]: Without dead ends: 182 [2018-04-06 19:06:01,355 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 64 SyntacticMatches, 2 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=289, Invalid=1603, Unknown=0, NotChecked=0, Total=1892 [2018-04-06 19:06:01,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2018-04-06 19:06:01,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 106. [2018-04-06 19:06:01,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-04-06 19:06:01,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 112 transitions. [2018-04-06 19:06:01,362 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 112 transitions. Word has length 45 [2018-04-06 19:06:01,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 19:06:01,362 INFO L459 AbstractCegarLoop]: Abstraction has 106 states and 112 transitions. [2018-04-06 19:06:01,362 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-04-06 19:06:01,362 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 112 transitions. [2018-04-06 19:06:01,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-04-06 19:06:01,363 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 19:06:01,364 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] [2018-04-06 19:06:01,364 INFO L408 AbstractCegarLoop]: === Iteration 12 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-06 19:06:01,364 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 [2018-04-06 19:06:01,371 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 19:06:01,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 19:06:01,398 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 19:06:01,414 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-04-06 19:06:01,414 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 19:06:01,419 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-04-06 19:06:01,440 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 19:06:01,441 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2018-04-06 19:06:01,441 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-06 19:06:01,441 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-06 19:06:01,441 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-06 19:06:01,441 INFO L87 Difference]: Start difference. First operand 106 states and 112 transitions. Second operand 6 states. [2018-04-06 19:06:01,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 19:06:01,488 INFO L93 Difference]: Finished difference Result 106 states and 112 transitions. [2018-04-06 19:06:01,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-06 19:06:01,488 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 49 [2018-04-06 19:06:01,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 19:06:01,489 INFO L225 Difference]: With dead ends: 106 [2018-04-06 19:06:01,489 INFO L226 Difference]: Without dead ends: 104 [2018-04-06 19:06:01,490 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 [2018-04-06 19:06:01,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2018-04-06 19:06:01,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2018-04-06 19:06:01,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-04-06 19:06:01,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 110 transitions. [2018-04-06 19:06:01,495 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 110 transitions. Word has length 49 [2018-04-06 19:06:01,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 19:06:01,495 INFO L459 AbstractCegarLoop]: Abstraction has 104 states and 110 transitions. [2018-04-06 19:06:01,495 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-06 19:06:01,495 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 110 transitions. [2018-04-06 19:06:01,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-04-06 19:06:01,496 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 19:06:01,496 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] [2018-04-06 19:06:01,497 INFO L408 AbstractCegarLoop]: === Iteration 13 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-06 19:06:01,497 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 [2018-04-06 19:06:01,504 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 19:06:01,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 19:06:01,531 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 19:06:01,564 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 [2018-04-06 19:06:01,566 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-04-06 19:06:01,566 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 19:06:01,568 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:06:01,573 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. [2018-04-06 19:06:01,574 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:28, output treesize:24 [2018-04-06 19:06:01,792 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 [2018-04-06 19:06:01,797 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 [2018-04-06 19:06:01,798 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 19:06:01,818 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 [2018-04-06 19:06:01,818 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-06 19:06:01,863 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 [2018-04-06 19:06:01,864 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 4 xjuncts. [2018-04-06 19:06:01,896 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-04-06 19:06:01,926 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-06 19:06:01,927 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:46, output treesize:66 [2018-04-06 19:06:02,024 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:06:02,024 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 19:06:02,448 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 [2018-04-06 19:06:02,449 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 19:06:02,494 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 [2018-04-06 19:06:02,494 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 19:06:02,529 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 [2018-04-06 19:06:02,529 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-06 19:06:02,531 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 [2018-04-06 19:06:02,532 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-06 19:06:02,565 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 [2018-04-06 19:06:02,604 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 [2018-04-06 19:06:02,604 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-06 19:06:02,619 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 [2018-04-06 19:06:02,619 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-06 19:06:02,634 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 [2018-04-06 19:06:02,635 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-06 19:06:02,641 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:06:02,643 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 [2018-04-06 19:06:02,660 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 [2018-04-06 19:06:02,660 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-06 19:06:02,666 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 [2018-04-06 19:06:02,666 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-06 19:06:02,673 INFO L267 ElimStorePlain]: Start of recursive call 10: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:06:02,702 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 [2018-04-06 19:06:02,743 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 [2018-04-06 19:06:02,743 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-04-06 19:06:02,761 INFO L267 ElimStorePlain]: Start of recursive call 13: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:06:02,763 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 [2018-04-06 19:06:02,778 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 [2018-04-06 19:06:02,779 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-04-06 19:06:02,784 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 [2018-04-06 19:06:02,784 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-04-06 19:06:02,788 INFO L267 ElimStorePlain]: Start of recursive call 15: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:06:02,804 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. [2018-04-06 19:06:02,805 INFO L202 ElimStorePlain]: Needed 17 recursive calls to eliminate 10 variables, input treesize:125, output treesize:17 [2018-04-06 19:06:02,878 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:06:02,911 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-06 19:06:02,911 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2018-04-06 19:06:02,911 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-04-06 19:06:02,912 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-04-06 19:06:02,912 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=816, Unknown=0, NotChecked=0, Total=930 [2018-04-06 19:06:02,912 INFO L87 Difference]: Start difference. First operand 104 states and 110 transitions. Second operand 31 states. [2018-04-06 19:06:04,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 19:06:04,627 INFO L93 Difference]: Finished difference Result 185 states and 196 transitions. [2018-04-06 19:06:04,628 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-04-06 19:06:04,628 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 49 [2018-04-06 19:06:04,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 19:06:04,629 INFO L225 Difference]: With dead ends: 185 [2018-04-06 19:06:04,629 INFO L226 Difference]: Without dead ends: 183 [2018-04-06 19:06:04,630 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 67 SyntacticMatches, 1 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 780 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=582, Invalid=2958, Unknown=0, NotChecked=0, Total=3540 [2018-04-06 19:06:04,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2018-04-06 19:06:04,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 108. [2018-04-06 19:06:04,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-04-06 19:06:04,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 115 transitions. [2018-04-06 19:06:04,638 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 115 transitions. Word has length 49 [2018-04-06 19:06:04,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 19:06:04,638 INFO L459 AbstractCegarLoop]: Abstraction has 108 states and 115 transitions. [2018-04-06 19:06:04,638 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-04-06 19:06:04,639 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 115 transitions. [2018-04-06 19:06:04,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-04-06 19:06:04,640 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 19:06:04,640 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] [2018-04-06 19:06:04,640 INFO L408 AbstractCegarLoop]: === Iteration 14 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-06 19:06:04,640 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 [2018-04-06 19:06:04,646 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 19:06:04,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 19:06:04,664 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 19:06:04,702 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 19:06:04,703 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 [2018-04-06 19:06:04,706 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 19:06:04,706 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 [2018-04-06 19:06:04,707 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 19:06:04,711 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:06:04,714 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. [2018-04-06 19:06:04,714 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-04-06 19:06:04,772 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 [2018-04-06 19:06:04,786 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 [2018-04-06 19:06:04,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:06:04,794 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 19:06:04,819 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 [2018-04-06 19:06:04,823 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 [2018-04-06 19:06:04,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:06:04,866 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 19:06:04,866 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9, 6] imperfect sequences [] total 13 [2018-04-06 19:06:04,866 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-06 19:06:04,866 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-06 19:06:04,867 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=71, Unknown=4, NotChecked=76, Total=182 [2018-04-06 19:06:04,867 INFO L87 Difference]: Start difference. First operand 108 states and 115 transitions. Second operand 14 states. [2018-04-06 19:06:04,880 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 [2018-04-06 19:06:05,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 19:06:05,157 INFO L93 Difference]: Finished difference Result 201 states and 214 transitions. [2018-04-06 19:06:05,157 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-06 19:06:05,158 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 54 [2018-04-06 19:06:05,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 19:06:05,159 INFO L225 Difference]: With dead ends: 201 [2018-04-06 19:06:05,159 INFO L226 Difference]: Without dead ends: 174 [2018-04-06 19:06:05,159 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 [2018-04-06 19:06:05,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2018-04-06 19:06:05,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 171. [2018-04-06 19:06:05,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2018-04-06 19:06:05,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 182 transitions. [2018-04-06 19:06:05,169 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 182 transitions. Word has length 54 [2018-04-06 19:06:05,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 19:06:05,169 INFO L459 AbstractCegarLoop]: Abstraction has 171 states and 182 transitions. [2018-04-06 19:06:05,169 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-06 19:06:05,169 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 182 transitions. [2018-04-06 19:06:05,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-04-06 19:06:05,170 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 19:06:05,170 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] [2018-04-06 19:06:05,170 INFO L408 AbstractCegarLoop]: === Iteration 15 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-06 19:06:05,170 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 [2018-04-06 19:06:05,176 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 19:06:05,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 19:06:05,193 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 19:06:05,232 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 19:06:05,232 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 [2018-04-06 19:06:05,234 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 [2018-04-06 19:06:05,234 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 19:06:05,237 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:06:05,240 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. [2018-04-06 19:06:05,240 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-04-06 19:06:05,285 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 [2018-04-06 19:06:05,288 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 [2018-04-06 19:06:05,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:06:05,296 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 19:06:05,318 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 [2018-04-06 19:06:05,323 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 [2018-04-06 19:06:05,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:06:05,362 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 19:06:05,362 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9, 6] imperfect sequences [] total 13 [2018-04-06 19:06:05,363 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-06 19:06:05,363 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-06 19:06:05,363 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=71, Unknown=4, NotChecked=76, Total=182 [2018-04-06 19:06:05,363 INFO L87 Difference]: Start difference. First operand 171 states and 182 transitions. Second operand 14 states. [2018-04-06 19:06:05,373 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 [2018-04-06 19:06:05,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 19:06:05,785 INFO L93 Difference]: Finished difference Result 263 states and 279 transitions. [2018-04-06 19:06:05,786 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-06 19:06:05,786 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 55 [2018-04-06 19:06:05,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 19:06:05,787 INFO L225 Difference]: With dead ends: 263 [2018-04-06 19:06:05,787 INFO L226 Difference]: Without dead ends: 236 [2018-04-06 19:06:05,787 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 [2018-04-06 19:06:05,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2018-04-06 19:06:05,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 170. [2018-04-06 19:06:05,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2018-04-06 19:06:05,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 180 transitions. [2018-04-06 19:06:05,798 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 180 transitions. Word has length 55 [2018-04-06 19:06:05,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 19:06:05,798 INFO L459 AbstractCegarLoop]: Abstraction has 170 states and 180 transitions. [2018-04-06 19:06:05,798 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-06 19:06:05,798 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 180 transitions. [2018-04-06 19:06:05,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-04-06 19:06:05,799 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 19:06:05,799 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] [2018-04-06 19:06:05,799 INFO L408 AbstractCegarLoop]: === Iteration 16 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-06 19:06:05,799 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 [2018-04-06 19:06:05,805 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 19:06:05,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 19:06:05,823 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 19:06:05,833 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 [2018-04-06 19:06:05,836 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 8 treesize of output 7 [2018-04-06 19:06:05,836 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 19:06:05,837 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:06:05,838 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:06:05,838 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2018-04-06 19:06:06,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:06:06,197 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 19:06:06,652 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 [2018-04-06 19:06:06,681 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 [2018-04-06 19:06:06,681 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 19:06:06,692 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-06 19:06:06,693 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-06 19:06:06,703 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 19:06:06,703 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 19:06:06,704 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 [2018-04-06 19:06:06,705 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-06 19:06:06,711 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-06 19:06:06,713 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 [2018-04-06 19:06:06,731 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 [2018-04-06 19:06:06,732 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-06 19:06:06,735 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:06:06,742 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:06:06,743 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:52, output treesize:3 [2018-04-06 19:06:06,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:06:06,773 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 19:06:06,773 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [14, 13] imperfect sequences [] total 23 [2018-04-06 19:06:06,773 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-06 19:06:06,774 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-06 19:06:06,774 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=399, Unknown=0, NotChecked=0, Total=506 [2018-04-06 19:06:06,774 INFO L87 Difference]: Start difference. First operand 170 states and 180 transitions. Second operand 23 states. [2018-04-06 19:06:07,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 19:06:07,634 INFO L93 Difference]: Finished difference Result 226 states and 237 transitions. [2018-04-06 19:06:07,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-04-06 19:06:07,670 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 55 [2018-04-06 19:06:07,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 19:06:07,672 INFO L225 Difference]: With dead ends: 226 [2018-04-06 19:06:07,672 INFO L226 Difference]: Without dead ends: 207 [2018-04-06 19:06:07,673 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 86 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=361, Invalid=1279, Unknown=0, NotChecked=0, Total=1640 [2018-04-06 19:06:07,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2018-04-06 19:06:07,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 182. [2018-04-06 19:06:07,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2018-04-06 19:06:07,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 192 transitions. [2018-04-06 19:06:07,685 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 192 transitions. Word has length 55 [2018-04-06 19:06:07,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 19:06:07,685 INFO L459 AbstractCegarLoop]: Abstraction has 182 states and 192 transitions. [2018-04-06 19:06:07,685 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-06 19:06:07,685 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 192 transitions. [2018-04-06 19:06:07,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-04-06 19:06:07,685 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 19:06:07,686 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] [2018-04-06 19:06:07,686 INFO L408 AbstractCegarLoop]: === Iteration 17 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-06 19:06:07,686 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 [2018-04-06 19:06:07,692 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 19:06:07,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 19:06:07,708 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 19:06:07,728 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 19:06:07,729 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 [2018-04-06 19:06:07,730 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2018-04-06 19:06:07,731 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 19:06:07,734 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:06:07,737 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. [2018-04-06 19:06:07,737 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-04-06 19:06:07,773 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 [2018-04-06 19:06:07,776 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 [2018-04-06 19:06:07,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:06:07,783 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 19:06:07,799 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 [2018-04-06 19:06:07,802 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 [2018-04-06 19:06:07,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:06:07,855 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 19:06:07,855 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2018-04-06 19:06:07,855 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-06 19:06:07,855 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-06 19:06:07,855 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=45, Unknown=4, NotChecked=60, Total=132 [2018-04-06 19:06:07,856 INFO L87 Difference]: Start difference. First operand 182 states and 192 transitions. Second operand 12 states. [2018-04-06 19:06:07,867 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 [2018-04-06 19:06:08,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 19:06:08,458 INFO L93 Difference]: Finished difference Result 288 states and 304 transitions. [2018-04-06 19:06:08,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-06 19:06:08,458 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 55 [2018-04-06 19:06:08,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 19:06:08,460 INFO L225 Difference]: With dead ends: 288 [2018-04-06 19:06:08,460 INFO L226 Difference]: Without dead ends: 249 [2018-04-06 19:06:08,461 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 [2018-04-06 19:06:08,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2018-04-06 19:06:08,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 184. [2018-04-06 19:06:08,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2018-04-06 19:06:08,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 195 transitions. [2018-04-06 19:06:08,477 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 195 transitions. Word has length 55 [2018-04-06 19:06:08,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 19:06:08,477 INFO L459 AbstractCegarLoop]: Abstraction has 184 states and 195 transitions. [2018-04-06 19:06:08,478 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-06 19:06:08,478 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 195 transitions. [2018-04-06 19:06:08,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-04-06 19:06:08,479 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 19:06:08,479 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] [2018-04-06 19:06:08,479 INFO L408 AbstractCegarLoop]: === Iteration 18 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-06 19:06:08,479 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 [2018-04-06 19:06:08,488 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 19:06:08,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 19:06:08,507 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 19:06:08,552 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 19:06:08,553 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 [2018-04-06 19:06:08,555 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 [2018-04-06 19:06:08,555 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 19:06:08,558 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:06:08,564 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. [2018-04-06 19:06:08,564 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-04-06 19:06:08,601 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 [2018-04-06 19:06:08,604 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 [2018-04-06 19:06:08,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:06:08,611 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 19:06:08,628 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 [2018-04-06 19:06:08,631 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 [2018-04-06 19:06:08,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:06:08,668 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 19:06:08,668 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2018-04-06 19:06:08,669 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-06 19:06:08,669 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-06 19:06:08,669 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=45, Unknown=4, NotChecked=60, Total=132 [2018-04-06 19:06:08,669 INFO L87 Difference]: Start difference. First operand 184 states and 195 transitions. Second operand 12 states. [2018-04-06 19:06:08,678 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 [2018-04-06 19:06:09,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 19:06:09,037 INFO L93 Difference]: Finished difference Result 187 states and 195 transitions. [2018-04-06 19:06:09,037 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-06 19:06:09,037 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 56 [2018-04-06 19:06:09,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 19:06:09,038 INFO L225 Difference]: With dead ends: 187 [2018-04-06 19:06:09,038 INFO L226 Difference]: Without dead ends: 148 [2018-04-06 19:06:09,038 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 [2018-04-06 19:06:09,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-04-06 19:06:09,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 81. [2018-04-06 19:06:09,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-04-06 19:06:09,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 83 transitions. [2018-04-06 19:06:09,045 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 83 transitions. Word has length 56 [2018-04-06 19:06:09,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 19:06:09,045 INFO L459 AbstractCegarLoop]: Abstraction has 81 states and 83 transitions. [2018-04-06 19:06:09,045 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-06 19:06:09,045 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 83 transitions. [2018-04-06 19:06:09,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-04-06 19:06:09,046 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 19:06:09,046 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] [2018-04-06 19:06:09,046 INFO L408 AbstractCegarLoop]: === Iteration 19 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-06 19:06:09,046 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 [2018-04-06 19:06:09,052 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 19:06:09,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 19:06:09,072 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 19:06:09,075 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 [2018-04-06 19:06:09,075 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 19:06:09,080 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 [2018-04-06 19:06:09,080 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 19:06:09,083 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:06:09,083 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-04-06 19:06:09,094 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 19:06:09,095 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 [2018-04-06 19:06:09,095 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 19:06:09,103 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 19:06:09,104 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 19:06:09,105 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 [2018-04-06 19:06:09,105 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 19:06:09,109 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:06:09,109 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2018-04-06 19:06:09,125 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 [2018-04-06 19:06:09,127 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 [2018-04-06 19:06:09,127 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 19:06:09,128 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:06:09,131 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:06:09,132 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:25, output treesize:21 [2018-04-06 19:06:09,145 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 [2018-04-06 19:06:09,146 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 [2018-04-06 19:06:09,146 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 19:06:09,150 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:06:09,154 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. [2018-04-06 19:06:09,155 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:32, output treesize:28 [2018-04-06 19:06:09,258 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 [2018-04-06 19:06:09,265 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 [2018-04-06 19:06:09,265 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-06 19:06:09,272 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 [2018-04-06 19:06:09,272 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-06 19:06:09,275 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-06 19:06:09,281 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-06 19:06:09,281 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:45, output treesize:34 [2018-04-06 19:06:09,402 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:06:09,402 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 19:06:09,778 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 [2018-04-06 19:06:09,786 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 [2018-04-06 19:06:09,787 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 19:06:09,788 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:06:09,793 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-06 19:06:09,793 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:31, output treesize:35 [2018-04-06 19:06:09,956 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:06:09,977 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-06 19:06:09,977 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15] total 31 [2018-04-06 19:06:09,978 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-04-06 19:06:09,978 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-04-06 19:06:09,978 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=896, Unknown=0, NotChecked=0, Total=992 [2018-04-06 19:06:09,978 INFO L87 Difference]: Start difference. First operand 81 states and 83 transitions. Second operand 32 states. [2018-04-06 19:06:12,370 WARN L151 SmtUtils]: Spent 2041ms on a formula simplification. DAG size of input: 49 DAG size of output 42 [2018-04-06 19:06:14,413 WARN L151 SmtUtils]: Spent 1341ms on a formula simplification. DAG size of input: 57 DAG size of output 47 [2018-04-06 19:06:17,902 WARN L151 SmtUtils]: Spent 3097ms on a formula simplification. DAG size of input: 61 DAG size of output 50 [2018-04-06 19:06:17,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 19:06:17,909 INFO L93 Difference]: Finished difference Result 89 states and 91 transitions. [2018-04-06 19:06:17,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-04-06 19:06:17,909 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 63 [2018-04-06 19:06:17,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 19:06:17,910 INFO L225 Difference]: With dead ends: 89 [2018-04-06 19:06:17,910 INFO L226 Difference]: Without dead ends: 88 [2018-04-06 19:06:17,911 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 94 SyntacticMatches, 1 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 353 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=504, Invalid=2466, Unknown=0, NotChecked=0, Total=2970 [2018-04-06 19:06:17,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2018-04-06 19:06:17,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 80. [2018-04-06 19:06:17,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-04-06 19:06:17,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 82 transitions. [2018-04-06 19:06:17,917 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 82 transitions. Word has length 63 [2018-04-06 19:06:17,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 19:06:17,917 INFO L459 AbstractCegarLoop]: Abstraction has 80 states and 82 transitions. [2018-04-06 19:06:17,917 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-04-06 19:06:17,917 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 82 transitions. [2018-04-06 19:06:17,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-04-06 19:06:17,918 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 19:06:17,918 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] [2018-04-06 19:06:17,918 INFO L408 AbstractCegarLoop]: === Iteration 20 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-06 19:06:17,918 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 [2018-04-06 19:06:17,925 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 19:06:17,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 19:06:17,948 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 19:06:17,950 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 [2018-04-06 19:06:17,951 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 19:06:17,953 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:06:17,954 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-06 19:06:17,963 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 [2018-04-06 19:06:17,964 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 [2018-04-06 19:06:17,964 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 19:06:17,965 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:06:17,967 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:06:17,967 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:15, output treesize:11 [2018-04-06 19:06:18,071 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 [2018-04-06 19:06:18,084 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 [2018-04-06 19:06:18,084 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 4 xjuncts. [2018-04-06 19:06:18,116 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 [2018-04-06 19:06:18,116 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-06 19:06:18,147 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 [2018-04-06 19:06:18,147 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-06 19:06:18,149 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 [2018-04-06 19:06:18,149 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-06 19:06:18,173 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-04-06 19:06:18,204 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-04-06 19:06:18,204 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 3 variables, input treesize:44, output treesize:91 [2018-04-06 19:06:18,332 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:06:18,332 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 19:06:18,874 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 [2018-04-06 19:06:18,901 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 [2018-04-06 19:06:18,902 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 19:06:18,912 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-06 19:06:18,912 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-06 19:06:18,923 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 [2018-04-06 19:06:18,923 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-06 19:06:18,926 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:06:18,934 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-06 19:06:18,934 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:65, output treesize:35 [2018-04-06 19:06:19,028 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:06:19,049 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-06 19:06:19,049 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 35 [2018-04-06 19:06:19,049 INFO L442 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-04-06 19:06:19,050 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-04-06 19:06:19,050 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=1119, Unknown=0, NotChecked=0, Total=1260 [2018-04-06 19:06:19,050 INFO L87 Difference]: Start difference. First operand 80 states and 82 transitions. Second operand 36 states. [2018-04-06 19:06:20,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 19:06:20,688 INFO L93 Difference]: Finished difference Result 91 states and 93 transitions. [2018-04-06 19:06:20,688 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-04-06 19:06:20,688 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 67 [2018-04-06 19:06:20,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 19:06:20,688 INFO L225 Difference]: With dead ends: 91 [2018-04-06 19:06:20,688 INFO L226 Difference]: Without dead ends: 0 [2018-04-06 19:06:20,690 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 757 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=975, Invalid=3995, Unknown=0, NotChecked=0, Total=4970 [2018-04-06 19:06:20,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-06 19:06:20,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-06 19:06:20,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-06 19:06:20,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-06 19:06:20,690 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 67 [2018-04-06 19:06:20,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 19:06:20,690 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-06 19:06:20,691 INFO L460 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-04-06 19:06:20,691 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-06 19:06:20,691 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-06 19:06:20,694 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-04-06 19:06:20,929 WARN L151 SmtUtils]: Spent 118ms on a formula simplification. DAG size of input: 199 DAG size of output 196 [2018-04-06 19:06:22,508 WARN L151 SmtUtils]: Spent 1511ms on a formula simplification. DAG size of input: 166 DAG size of output 75 [2018-04-06 19:06:52,545 WARN L151 SmtUtils]: Spent 30034ms on a formula simplification. DAG size of input: 237 DAG size of output 120 [2018-04-06 19:06:52,879 WARN L151 SmtUtils]: Spent 332ms on a formula simplification. DAG size of input: 167 DAG size of output 1 [2018-04-06 19:06:52,882 INFO L416 ceAbstractionStarter]: For program point L59(line 59) no Hoare annotation was computed. [2018-04-06 19:06:52,882 INFO L416 ceAbstractionStarter]: For program point L59'(line 59) no Hoare annotation was computed. [2018-04-06 19:06:52,882 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. [2018-04-06 19:06:52,882 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. [2018-04-06 19:06:52,882 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. [2018-04-06 19:06:52,883 INFO L416 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-04-06 19:06:52,883 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-04-06 19:06:52,883 INFO L412 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-04-06 19:06:52,883 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-04-06 19:06:52,883 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. [2018-04-06 19:06:52,883 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. [2018-04-06 19:06:52,883 INFO L416 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-04-06 19:06:52,883 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. [2018-04-06 19:06:52,883 INFO L416 ceAbstractionStarter]: For program point L64'(line 64) no Hoare annotation was computed. [2018-04-06 19:06:52,883 INFO L416 ceAbstractionStarter]: For program point cstrcmpErr1RequiresViolation(line 543) no Hoare annotation was computed. [2018-04-06 19:06:52,883 INFO L416 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-04-06 19:06:52,883 INFO L416 ceAbstractionStarter]: For program point L540(lines 540 550) no Hoare annotation was computed. [2018-04-06 19:06:52,883 INFO L416 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-04-06 19:06:52,883 INFO L416 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-04-06 19:06:52,884 INFO L416 ceAbstractionStarter]: For program point L543(lines 543 546) no Hoare annotation was computed. [2018-04-06 19:06:52,884 INFO L416 ceAbstractionStarter]: For program point cstrcmpErr0RequiresViolation(line 543) no Hoare annotation was computed. [2018-04-06 19:06:52,884 INFO L416 ceAbstractionStarter]: For program point L549(line 549) no Hoare annotation was computed. [2018-04-06 19:06:52,884 INFO L416 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-04-06 19:06:52,884 INFO L416 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-04-06 19:06:52,884 INFO L416 ceAbstractionStarter]: For program point cstrcmpErr2RequiresViolation(line 543) no Hoare annotation was computed. [2018-04-06 19:06:52,884 INFO L416 ceAbstractionStarter]: For program point L549'''(line 549) no Hoare annotation was computed. [2018-04-06 19:06:52,884 INFO L416 ceAbstractionStarter]: For program point L549''''(line 549) no Hoare annotation was computed. [2018-04-06 19:06:52,884 INFO L416 ceAbstractionStarter]: For program point L543'''(line 543) no Hoare annotation was computed. [2018-04-06 19:06:52,884 INFO L416 ceAbstractionStarter]: For program point L542'(line 542) no Hoare annotation was computed. [2018-04-06 19:06:52,884 INFO L416 ceAbstractionStarter]: For program point L543'''''''''(line 543) no Hoare annotation was computed. [2018-04-06 19:06:52,884 INFO L416 ceAbstractionStarter]: For program point cstrcmpErr9RequiresViolation(line 548) no Hoare annotation was computed. [2018-04-06 19:06:52,884 INFO L416 ceAbstractionStarter]: For program point cstrcmpErr7RequiresViolation(line 547) no Hoare annotation was computed. [2018-04-06 19:06:52,884 INFO L416 ceAbstractionStarter]: For program point cstrcmpErr4RequiresViolation(line 543) no Hoare annotation was computed. [2018-04-06 19:06:52,884 INFO L416 ceAbstractionStarter]: For program point L543'''''''''''(line 543) no Hoare annotation was computed. [2018-04-06 19:06:52,885 INFO L416 ceAbstractionStarter]: For program point L543'(line 543) no Hoare annotation was computed. [2018-04-06 19:06:52,885 INFO L416 ceAbstractionStarter]: For program point L545''(line 545) no Hoare annotation was computed. [2018-04-06 19:06:52,885 INFO L416 ceAbstractionStarter]: For program point L543''(line 543) no Hoare annotation was computed. [2018-04-06 19:06:52,885 INFO L416 ceAbstractionStarter]: For program point L547'(line 547) no Hoare annotation was computed. [2018-04-06 19:06:52,885 INFO L416 ceAbstractionStarter]: For program point cstrcmpEXIT(lines 540 550) no Hoare annotation was computed. [2018-04-06 19:06:52,885 INFO L416 ceAbstractionStarter]: For program point L543'''''''''''''(line 543) no Hoare annotation was computed. [2018-04-06 19:06:52,885 INFO L416 ceAbstractionStarter]: For program point cstrcmpErr6RequiresViolation(line 547) no Hoare annotation was computed. [2018-04-06 19:06:52,885 INFO L416 ceAbstractionStarter]: For program point L543''''(line 543) no Hoare annotation was computed. [2018-04-06 19:06:52,885 INFO L416 ceAbstractionStarter]: For program point L543'''''(line 543) no Hoare annotation was computed. [2018-04-06 19:06:52,885 INFO L416 ceAbstractionStarter]: For program point L543''''''''''''''''''(lines 543 546) no Hoare annotation was computed. [2018-04-06 19:06:52,885 INFO L416 ceAbstractionStarter]: For program point L549'''''(line 549) no Hoare annotation was computed. [2018-04-06 19:06:52,885 INFO L416 ceAbstractionStarter]: For program point cstrcmpErr5RequiresViolation(line 543) no Hoare annotation was computed. [2018-04-06 19:06:52,885 INFO L416 ceAbstractionStarter]: For program point L544'(line 544) no Hoare annotation was computed. [2018-04-06 19:06:52,885 INFO L416 ceAbstractionStarter]: For program point cstrcmpFINAL(lines 540 550) no Hoare annotation was computed. [2018-04-06 19:06:52,885 INFO L416 ceAbstractionStarter]: For program point L548'(line 548) no Hoare annotation was computed. [2018-04-06 19:06:52,885 INFO L416 ceAbstractionStarter]: For program point L543''''''''(line 543) no Hoare annotation was computed. [2018-04-06 19:06:52,886 INFO L419 ceAbstractionStarter]: At program point cstrcmpENTRY(lines 540 550) the Hoare annotation is: true [2018-04-06 19:06:52,886 INFO L416 ceAbstractionStarter]: For program point cstrcmpErr8RequiresViolation(line 548) no Hoare annotation was computed. [2018-04-06 19:06:52,886 INFO L416 ceAbstractionStarter]: For program point cstrcmpErr3RequiresViolation(line 543) no Hoare annotation was computed. [2018-04-06 19:06:52,886 INFO L416 ceAbstractionStarter]: For program point L543''''''''''(line 543) no Hoare annotation was computed. [2018-04-06 19:06:52,886 INFO L416 ceAbstractionStarter]: For program point L543'''''''(lines 543 546) no Hoare annotation was computed. [2018-04-06 19:06:52,886 INFO L416 ceAbstractionStarter]: For program point L543'''''''''''''''(line 543) no Hoare annotation was computed. [2018-04-06 19:06:52,886 INFO L416 ceAbstractionStarter]: For program point L543''''''''''''''(line 543) no Hoare annotation was computed. [2018-04-06 19:06:52,886 INFO L416 ceAbstractionStarter]: For program point L543''''''''''''''''(line 543) no Hoare annotation was computed. [2018-04-06 19:06:52,886 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 (exists ((main_~nondetString2~0.base Int) (main_~nondetString2~0.offset Int)) (and (= 0 (select (select |#memory_int| main_~nondetString2~0.base) (+ main_~nondetString2~0.offset (select |#length| main_~nondetString2~0.base) (- 1)))) (not (= cstrcmp_~s1.base main_~nondetString2~0.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 .cse2) (not (= 0 (select (select |#memory_int| |cstrcmp_#in~s1.base|) (+ (select |#length| |cstrcmp_#in~s1.base|) (- 1))))) (not (= (select (select |#memory_int| |cstrcmp_#in~s2.base|) (+ (select |#length| |cstrcmp_#in~s2.base|) (- 1))) 0)) (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)) .cse2)) (or (not (exists ((main_~length2~0 Int)) (and (= (select (select |#memory_int| |cstrcmp_#in~s2.base|) (+ |cstrcmp_#in~s2.offset| main_~length2~0 (- 1))) 0) (<= 1 main_~length2~0) (<= (+ |cstrcmp_#in~s2.offset| main_~length2~0) (select |#length| |cstrcmp_#in~s2.base|))))) (< |cstrcmp_#in~s2.offset| 0) (not (exists ((v_main_~nondetString1~0.offset_BEFORE_CALL_2 Int) (main_~length1~0 Int)) (and (= 0 (select (select |#memory_int| |cstrcmp_#in~s1.base|) (+ v_main_~nondetString1~0.offset_BEFORE_CALL_2 main_~length1~0 (- 1)))) (<= |cstrcmp_#in~s1.offset| v_main_~nondetString1~0.offset_BEFORE_CALL_2) (<= (+ v_main_~nondetString1~0.offset_BEFORE_CALL_2 main_~length1~0) (select |#length| |cstrcmp_#in~s1.base|)) (<= 1 main_~length1~0)))) (not (= (select |#valid| |cstrcmp_#in~s1.base|) 1)) (not (exists ((|v_main_#t~malloc14.base_BEFORE_CALL_7| Int) (|v_main_#t~malloc13.base_BEFORE_CALL_7| Int)) (and (= (select |#valid| |v_main_#t~malloc14.base_BEFORE_CALL_7|) 1) (not (= |v_main_#t~malloc14.base_BEFORE_CALL_7| |v_main_#t~malloc13.base_BEFORE_CALL_7|)) (= (select |#valid| |v_main_#t~malloc13.base_BEFORE_CALL_7|) 1)))) (< |cstrcmp_#in~s1.offset| 0) (not (= 1 (select |#valid| |cstrcmp_#in~s2.base|))))))) [2018-04-06 19:06:52,886 INFO L416 ceAbstractionStarter]: For program point L544''(line 544) no Hoare annotation was computed. [2018-04-06 19:06:52,886 INFO L416 ceAbstractionStarter]: For program point L545'(line 545) no Hoare annotation was computed. [2018-04-06 19:06:52,887 INFO L416 ceAbstractionStarter]: For program point L548''(line 548) no Hoare annotation was computed. [2018-04-06 19:06:52,887 INFO L416 ceAbstractionStarter]: For program point L549'(line 549) no Hoare annotation was computed. [2018-04-06 19:06:52,887 INFO L419 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-04-06 19:06:52,887 INFO L419 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-04-06 19:06:52,887 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-04-06 19:06:52,887 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-04-06 19:06:52,887 INFO L416 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-04-06 19:06:52,887 INFO L416 ceAbstractionStarter]: For program point mainErr1RequiresViolation(line 562) no Hoare annotation was computed. [2018-04-06 19:06:52,887 INFO L416 ceAbstractionStarter]: For program point L561'(line 561) no Hoare annotation was computed. [2018-04-06 19:06:52,887 INFO L416 ceAbstractionStarter]: For program point L564(line 564) no Hoare annotation was computed. [2018-04-06 19:06:52,887 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)))))) [2018-04-06 19:06:52,887 INFO L416 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-04-06 19:06:52,887 INFO L416 ceAbstractionStarter]: For program point L553'(line 553) no Hoare annotation was computed. [2018-04-06 19:06:52,888 INFO L416 ceAbstractionStarter]: For program point L561(line 561) no Hoare annotation was computed. [2018-04-06 19:06:52,888 INFO L416 ceAbstractionStarter]: For program point mainErr0RequiresViolation(line 562) no Hoare annotation was computed. [2018-04-06 19:06:52,888 INFO L416 ceAbstractionStarter]: For program point L553''(line 553) no Hoare annotation was computed. [2018-04-06 19:06:52,888 INFO L416 ceAbstractionStarter]: For program point mainErr2RequiresViolation(line 563) no Hoare annotation was computed. [2018-04-06 19:06:52,888 INFO L416 ceAbstractionStarter]: For program point L554''(lines 551 565) no Hoare annotation was computed. [2018-04-06 19:06:52,888 INFO L416 ceAbstractionStarter]: For program point L560'(line 560) no Hoare annotation was computed. [2018-04-06 19:06:52,888 INFO L416 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-04-06 19:06:52,888 INFO L416 ceAbstractionStarter]: For program point mainErr3RequiresViolation(line 563) no Hoare annotation was computed. [2018-04-06 19:06:52,888 INFO L416 ceAbstractionStarter]: For program point L552(line 552) no Hoare annotation was computed. [2018-04-06 19:06:52,888 INFO L416 ceAbstractionStarter]: For program point L562'(line 562) no Hoare annotation was computed. [2018-04-06 19:06:52,888 INFO L416 ceAbstractionStarter]: For program point L552'(line 552) no Hoare annotation was computed. [2018-04-06 19:06:52,888 INFO L416 ceAbstractionStarter]: For program point L564'(line 564) no Hoare annotation was computed. [2018-04-06 19:06:52,888 INFO L416 ceAbstractionStarter]: For program point mainFINAL(lines 551 565) no Hoare annotation was computed. [2018-04-06 19:06:52,888 INFO L416 ceAbstractionStarter]: For program point L555(line 555) no Hoare annotation was computed. [2018-04-06 19:06:52,888 INFO L416 ceAbstractionStarter]: For program point L554(lines 554 556) no Hoare annotation was computed. [2018-04-06 19:06:52,889 INFO L416 ceAbstractionStarter]: For program point mainErr4EnsuresViolationMEMORY_LEAK(lines 551 565) no Hoare annotation was computed. [2018-04-06 19:06:52,889 INFO L416 ceAbstractionStarter]: For program point L558(line 558) no Hoare annotation was computed. [2018-04-06 19:06:52,889 INFO L416 ceAbstractionStarter]: For program point mainEXIT(lines 551 565) no Hoare annotation was computed. [2018-04-06 19:06:52,889 INFO L412 ceAbstractionStarter]: At program point mainENTRY(lines 551 565) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-04-06 19:06:52,889 INFO L416 ceAbstractionStarter]: For program point L561''(line 561) no Hoare annotation was computed. [2018-04-06 19:06:52,889 INFO L416 ceAbstractionStarter]: For program point L564''(line 564) no Hoare annotation was computed. [2018-04-06 19:06:52,889 INFO L416 ceAbstractionStarter]: For program point L560''(line 560) no Hoare annotation was computed. [2018-04-06 19:06:52,889 INFO L416 ceAbstractionStarter]: For program point L561'''(line 561) no Hoare annotation was computed. [2018-04-06 19:06:52,889 INFO L416 ceAbstractionStarter]: For program point L557'(lines 557 559) no Hoare annotation was computed. [2018-04-06 19:06:52,896 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-06 19:06:52,898 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-06 19:06:52,898 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-04-06 19:06:52,898 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-06 19:06:52,899 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-06 19:06:52,899 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-06 19:06:52,899 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-06 19:06:52,899 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-06 19:06:52,900 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-06 19:06:52,900 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-06 19:06:52,900 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-06 19:06:52,900 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-04-06 19:06:52,901 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-06 19:06:52,901 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-06 19:06:52,902 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-06 19:06:52,902 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-04-06 19:06:52,902 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-06 19:06:52,902 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-06 19:06:52,903 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-06 19:06:52,903 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-06 19:06:52,903 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-06 19:06:52,903 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-06 19:06:52,904 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-06 19:06:52,904 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-06 19:06:52,904 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-06 19:06:52,904 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-06 19:06:52,904 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-06 19:06:52,905 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-06 19:06:52,905 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-06 19:06:52,905 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-06 19:06:52,905 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-06 19:06:52,907 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:06:52,908 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:06:52,908 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:06:52,908 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:06:52,909 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:06:52,909 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:06:52,909 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:06:52,909 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:06:52,909 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:06:52,910 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:06:52,910 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:06:52,910 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:06:52,910 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:06:52,911 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:06:52,911 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:06:52,911 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:06:52,911 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:06:52,911 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:06:52,912 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:06:52,912 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:06:52,912 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:06:52,912 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:06:52,913 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:06:52,913 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:06:52,919 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-06 19:06:52,919 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-06 19:06:52,919 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-04-06 19:06:52,920 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-06 19:06:52,920 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-06 19:06:52,920 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-06 19:06:52,920 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-06 19:06:52,921 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-06 19:06:52,921 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-06 19:06:52,921 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-06 19:06:52,921 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-06 19:06:52,922 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-04-06 19:06:52,922 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-06 19:06:52,922 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-06 19:06:52,922 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-06 19:06:52,922 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-04-06 19:06:52,923 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-06 19:06:52,923 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-06 19:06:52,923 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-06 19:06:52,923 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-06 19:06:52,923 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-06 19:06:52,923 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-06 19:06:52,923 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-06 19:06:52,924 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-06 19:06:52,924 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-06 19:06:52,924 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-06 19:06:52,924 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-06 19:06:52,924 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-06 19:06:52,924 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-06 19:06:52,924 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-06 19:06:52,924 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-06 19:06:52,925 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:06:52,925 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:06:52,925 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:06:52,925 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:06:52,925 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:06:52,926 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:06:52,926 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:06:52,926 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:06:52,926 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:06:52,926 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:06:52,926 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:06:52,926 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:06:52,926 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:06:52,927 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:06:52,927 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:06:52,927 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:06:52,927 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:06:52,927 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:06:52,927 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:06:52,927 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:06:52,927 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:06:52,928 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:06:52,928 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:06:52,928 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:06:52,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.04 07:06:52 BoogieIcfgContainer [2018-04-06 19:06:52,930 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-06 19:06:52,931 INFO L168 Benchmark]: Toolchain (without parser) took 59292.67 ms. Allocated memory was 303.6 MB in the beginning and 626.5 MB in the end (delta: 323.0 MB). Free memory was 240.7 MB in the beginning and 453.8 MB in the end (delta: -213.0 MB). Peak memory consumption was 258.8 MB. Max. memory is 5.3 GB. [2018-04-06 19:06:52,932 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 303.6 MB. Free memory is still 266.2 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-06 19:06:52,933 INFO L168 Benchmark]: CACSL2BoogieTranslator took 314.28 ms. Allocated memory is still 303.6 MB. Free memory was 240.7 MB in the beginning and 216.8 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. [2018-04-06 19:06:52,933 INFO L168 Benchmark]: Boogie Preprocessor took 51.62 ms. Allocated memory is still 303.6 MB. Free memory was 216.8 MB in the beginning and 214.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-04-06 19:06:52,933 INFO L168 Benchmark]: RCFGBuilder took 582.32 ms. Allocated memory was 303.6 MB in the beginning and 465.0 MB in the end (delta: 161.5 MB). Free memory was 213.8 MB in the beginning and 398.2 MB in the end (delta: -184.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 5.3 GB. [2018-04-06 19:06:52,933 INFO L168 Benchmark]: TraceAbstraction took 58339.55 ms. Allocated memory was 465.0 MB in the beginning and 626.5 MB in the end (delta: 161.5 MB). Free memory was 398.2 MB in the beginning and 453.8 MB in the end (delta: -55.5 MB). Peak memory consumption was 254.8 MB. Max. memory is 5.3 GB. [2018-04-06 19:06:52,935 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 303.6 MB. Free memory is still 266.2 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 314.28 ms. Allocated memory is still 303.6 MB. Free memory was 240.7 MB in the beginning and 216.8 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 51.62 ms. Allocated memory is still 303.6 MB. Free memory was 216.8 MB in the beginning and 214.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 582.32 ms. Allocated memory was 303.6 MB in the beginning and 465.0 MB in the end (delta: 161.5 MB). Free memory was 213.8 MB in the beginning and 398.2 MB in the end (delta: -184.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 5.3 GB. * TraceAbstraction took 58339.55 ms. Allocated memory was 465.0 MB in the beginning and 626.5 MB in the end (delta: 161.5 MB). Free memory was 398.2 MB in the beginning and 453.8 MB in the end (delta: -55.5 MB). Peak memory consumption was 254.8 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~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[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[main_~nondetString2~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~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[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[main_~nondetString2~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length * 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 [2018-04-06 19:06:52,944 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-06 19:06:52,944 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-06 19:06:52,944 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-04-06 19:06:52,944 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-06 19:06:52,944 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-06 19:06:52,944 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-06 19:06:52,945 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-06 19:06:52,945 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-06 19:06:52,945 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-06 19:06:52,945 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-06 19:06:52,945 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-06 19:06:52,945 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-04-06 19:06:52,945 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-06 19:06:52,945 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-06 19:06:52,946 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-06 19:06:52,946 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-04-06 19:06:52,946 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-06 19:06:52,946 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-06 19:06:52,946 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-06 19:06:52,946 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-06 19:06:52,946 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-06 19:06:52,947 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-06 19:06:52,947 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-06 19:06:52,947 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-06 19:06:52,947 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-06 19:06:52,947 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-06 19:06:52,947 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-06 19:06:52,947 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-06 19:06:52,948 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-06 19:06:52,948 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-06 19:06:52,948 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-06 19:06:52,948 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:06:52,948 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:06:52,948 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:06:52,948 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:06:52,948 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:06:52,949 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:06:52,949 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:06:52,949 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:06:52,949 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:06:52,949 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:06:52,950 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:06:52,950 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:06:52,950 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:06:52,950 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:06:52,950 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:06:52,950 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:06:52,951 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:06:52,951 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:06:52,951 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:06:52,951 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:06:52,951 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:06:52,951 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:06:52,951 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:06:52,952 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:06:52,954 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-06 19:06:52,954 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-06 19:06:52,955 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-04-06 19:06:52,955 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-06 19:06:52,955 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-06 19:06:52,955 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-06 19:06:52,956 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-06 19:06:52,956 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-06 19:06:52,956 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-06 19:06:52,956 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-06 19:06:52,956 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-06 19:06:52,957 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-04-06 19:06:52,957 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-06 19:06:52,957 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-06 19:06:52,957 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-06 19:06:52,958 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-04-06 19:06:52,958 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-06 19:06:52,958 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-06 19:06:52,958 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-06 19:06:52,958 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-06 19:06:52,959 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-06 19:06:52,959 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-06 19:06:52,959 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-06 19:06:52,959 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-06 19:06:52,959 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-06 19:06:52,960 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-06 19:06:52,960 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-06 19:06:52,960 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-06 19:06:52,960 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-06 19:06:52,960 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-06 19:06:52,960 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-06 19:06:52,961 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:06:52,961 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:06:52,961 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:06:52,961 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:06:52,962 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:06:52,962 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:06:52,962 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:06:52,962 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:06:52,962 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:06:52,963 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:06:52,963 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:06:52,963 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:06:52,963 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:06:52,963 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:06:52,963 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:06:52,964 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:06:52,964 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:06:52,964 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:06:52,964 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:06:52,964 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:06:52,965 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:06:52,965 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:06:52,965 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:06:52,965 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]) && (\exists main_~nondetString2~0.base : int, main_~nondetString2~0.offset : int :: 0 == unknown-#memory_int-unknown[main_~nondetString2~0.base][main_~nondetString2~0.offset + unknown-#length-unknown[main_~nondetString2~0.base] + -1] && !(s1 == main_~nondetString2~0.base)))) || !(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) && (\exists main_~nondetString2~0.base : int, main_~nondetString2~0.offset : int :: 0 == unknown-#memory_int-unknown[main_~nondetString2~0.base][main_~nondetString2~0.offset + unknown-#length-unknown[main_~nondetString2~0.base] + -1] && !(s1 == main_~nondetString2~0.base)))) || (((((!(\exists main_~length2~0 : int :: (unknown-#memory_int-unknown[s2][s2 + main_~length2~0 + -1] == 0 && 1 <= main_~length2~0) && s2 + main_~length2~0 <= unknown-#length-unknown[s2]) || s2 < 0) || !(\exists v_main_~nondetString1~0.offset_BEFORE_CALL_2 : int, main_~length1~0 : int :: ((0 == unknown-#memory_int-unknown[s1][v_main_~nondetString1~0.offset_BEFORE_CALL_2 + main_~length1~0 + -1] && s1 <= v_main_~nondetString1~0.offset_BEFORE_CALL_2) && v_main_~nondetString1~0.offset_BEFORE_CALL_2 + main_~length1~0 <= unknown-#length-unknown[s1]) && 1 <= main_~length1~0)) || !(\valid[s1] == 1)) || !(\exists v_main_#t~malloc14.base_BEFORE_CALL_7 : int, v_main_#t~malloc13.base_BEFORE_CALL_7 : int :: (\valid[v_main_#t~malloc14.base_BEFORE_CALL_7] == 1 && !(v_main_#t~malloc14.base_BEFORE_CALL_7 == v_main_#t~malloc13.base_BEFORE_CALL_7)) && \valid[v_main_#t~malloc13.base_BEFORE_CALL_7] == 1)) || s1 < 0) || !(1 == \valid[s2]) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 98 locations, 15 error locations. SAFE Result, 58.2s OverallTime, 20 OverallIterations, 3 TraceHistogramMax, 16.0s AutomataDifference, 0.0s DeadEndRemovalTime, 32.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 1493 SDtfs, 2781 SDslu, 6895 SDs, 0 SdLazy, 4762 SolverSat, 245 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1814 GetRequests, 1404 SyntacticMatches, 20 SemanticMatches, 390 ConstructedPredicates, 20 IntricatePredicates, 0 DeprecatedPredicates, 2734 ImplicationChecksByTransitivity, 17.9s 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, 527 HoareAnnotationTreeSize, 7 FomulaSimplifications, 113 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 4035 FormulaSimplificationTreeSizeReductionInter, 31.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 8.6s 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-0-2018-04-06_19-06-52-971.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-0-2018-04-06_19-06-52-971.csv Received shutdown request...