java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/array-memsafety/cstrncmp-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-453dfda-m [2018-04-09 19:58:47,635 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-09 19:58:47,636 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-09 19:58:47,650 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-04-09 19:58:47,678 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf [2018-04-09 19:58:47,700 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-09 19:58:47,700 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-09 19:58:47,701 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-04-09 19:58:47,701 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-04-09 19:58:47,701 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-04-09 19:58:47,701 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-04-09 19:58:47,702 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-04-09 19:58:47,702 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-04-09 19:58:47,702 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-04-09 19:58:47,702 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-04-09 19:58:47,702 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-04-09 19:58:47,702 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-04-09 19:58:47,703 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-09 19:58:47,703 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-09 19:58:47,703 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-09 19:58:47,703 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-09 19:58:47,703 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-09 19:58:47,703 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-09 19:58:47,703 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-09 19:58:47,704 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-04-09 19:58:47,704 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-09 19:58:47,704 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-09 19:58:47,704 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-09 19:58:47,704 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-04-09 19:58:47,704 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-04-09 19:58:47,705 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-09 19:58:47,705 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-09 19:58:47,705 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-09 19:58:47,705 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-09 19:58:47,705 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-09 19:58:47,705 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-04-09 19:58:47,706 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-04-09 19:58:47,706 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 19:58:47,706 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-04-09 19:58:47,707 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-04-09 19:58:47,707 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-04-09 19:58:47,707 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-04-09 19:58:47,707 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-04-09 19:58:47,738 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-09 19:58:47,748 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-09 19:58:47,752 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-09 19:58:47,753 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-09 19:58:47,753 INFO L276 PluginConnector]: CDTParser initialized [2018-04-09 19:58:47,754 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,105 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG2c92cf443 [2018-04-09 19:58:48,282 INFO L287 CDTParser]: IsIndexed: true [2018-04-09 19:58:48,283 INFO L288 CDTParser]: Found 1 translation units. [2018-04-09 19:58:48,283 INFO L168 CDTParser]: Scanning cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,294 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-09 19:58:48,294 INFO L215 ultiparseSymbolTable]: [2018-04-09 19:58:48,294 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-09 19:58:48,294 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,294 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_32 ('__bswap_32') in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,294 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_64 ('__bswap_64') in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,294 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__ ('') in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,294 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-09 19:58:48,294 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____key_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,295 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____clockid_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,295 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__clockid_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,295 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____clock_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,295 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__dev_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,295 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__u_int16_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,295 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____u_int in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,295 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__quad_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,295 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__loff_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,295 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__u_int8_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,295 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_cond_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,296 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____uint8_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,296 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__fsid_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,296 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__uint in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,296 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____blkcnt_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,296 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_condattr_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,296 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____sigset_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,296 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____WAIT_STATUS in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,296 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____daddr_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,296 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_spinlock_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,296 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__id_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,296 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__int64_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,297 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_barrier_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,297 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____u_quad_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,297 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____pid_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,297 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____syscall_slong_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,297 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__ushort in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,297 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____int64_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,297 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____quad_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,297 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__wchar_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,297 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__register_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,298 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____useconds_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,298 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_attr_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,298 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____nlink_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,298 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____fsblkcnt64_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,298 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__sigset_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,298 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____gid_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,298 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____sig_atomic_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,298 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____timer_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,299 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____ino64_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,299 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____syscall_ulong_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,299 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,299 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____uid_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,299 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__ssize_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,299 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____fd_mask in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,299 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__nlink_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,299 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__u_int32_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,300 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__key_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,300 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__fd_mask in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,300 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__fsfilcnt_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,300 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____ssize_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,300 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,300 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____blkcnt64_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,300 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____fsword_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,300 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__timer_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,300 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____off_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,301 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____uint64_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,301 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__int32_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,301 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____suseconds_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,301 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__time_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,301 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____int32_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,301 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__fsblkcnt_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,301 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__div_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,301 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____id_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,301 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____uint32_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,302 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__caddr_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,302 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____qaddr_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,302 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____rlim64_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,302 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____fsfilcnt_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,302 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_mutexattr_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,302 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__u_int in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,302 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____blksize_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,302 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__blksize_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,302 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____off64_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,302 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____time_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,302 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____intptr_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,302 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__int8_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,302 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__size_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,302 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____u_char in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,302 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_key_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,303 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__u_quad_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,303 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__ino_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,303 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__uid_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,303 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_rwlock_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,303 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____socklen_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,303 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__lldiv_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,303 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_mutex_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,303 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__int16_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,303 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____fsblkcnt_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,303 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____pthread_list_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,303 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_barrierattr_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,303 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____rlim_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,303 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____fsfilcnt64_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,304 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__u_short in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,304 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____int16_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,304 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____u_long in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,304 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__ldiv_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,304 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__blkcnt_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,304 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____int8_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,304 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__gid_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,304 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__ulong in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,304 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__u_char in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,304 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__off_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,304 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__u_int64_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,305 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_once_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,305 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____mode_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,305 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____uint16_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,305 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____caddr_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,305 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____ino_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,305 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__u_long in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,305 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____loff_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,305 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____fsid_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,306 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__clock_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,306 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__pid_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,306 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__daddr_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,306 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__fd_set in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,306 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____dev_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,306 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__mode_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,306 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__suseconds_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,306 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____u_short in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:48,323 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG2c92cf443 [2018-04-09 19:58:48,327 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-09 19:58:48,329 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-09 19:58:48,330 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-09 19:58:48,330 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-09 19:58:48,335 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-09 19:58:48,336 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.04 07:58:48" (1/1) ... [2018-04-09 19:58:48,338 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c17b02c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 07:58:48, skipping insertion in model container [2018-04-09 19:58:48,338 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.04 07:58:48" (1/1) ... [2018-04-09 19:58:48,352 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-09 19:58:48,381 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-09 19:58:48,538 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-09 19:58:48,587 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-09 19:58:48,593 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-09 19:58:48,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 07:58:48 WrapperNode [2018-04-09 19:58:48,636 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-09 19:58:48,640 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-09 19:58:48,640 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-09 19:58:48,640 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-09 19:58:48,656 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 07:58:48" (1/1) ... [2018-04-09 19:58:48,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 07:58:48" (1/1) ... [2018-04-09 19:58:48,672 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 07:58:48" (1/1) ... [2018-04-09 19:58:48,673 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 07:58:48" (1/1) ... [2018-04-09 19:58:48,684 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 07:58:48" (1/1) ... [2018-04-09 19:58:48,691 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 07:58:48" (1/1) ... [2018-04-09 19:58:48,694 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 07:58:48" (1/1) ... [2018-04-09 19:58:48,699 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-09 19:58:48,700 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-09 19:58:48,700 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-09 19:58:48,700 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-09 19:58:48,701 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 07:58:48" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-09 19:58:48,820 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-09 19:58:48,820 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-09 19:58:48,820 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-09 19:58:48,820 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-09 19:58:48,820 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrncmp [2018-04-09 19:58:48,820 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-09 19:58:48,821 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-09 19:58:48,821 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-09 19:58:48,821 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-09 19:58:48,821 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-09 19:58:48,821 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-09 19:58:48,821 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-09 19:58:48,822 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-09 19:58:48,822 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-09 19:58:48,822 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-09 19:58:48,822 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-09 19:58:48,822 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-09 19:58:48,822 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-09 19:58:48,823 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-09 19:58:48,823 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-09 19:58:48,823 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-09 19:58:48,823 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-09 19:58:48,823 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-09 19:58:48,823 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-09 19:58:48,824 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-09 19:58:48,824 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-09 19:58:48,824 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-09 19:58:48,824 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-09 19:58:48,824 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-09 19:58:48,824 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-09 19:58:48,824 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-09 19:58:48,825 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-09 19:58:48,825 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-09 19:58:48,825 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-09 19:58:48,825 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-09 19:58:48,825 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-09 19:58:48,825 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-09 19:58:48,825 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-09 19:58:48,826 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-09 19:58:48,826 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-09 19:58:48,826 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-09 19:58:48,826 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-09 19:58:48,826 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-09 19:58:48,826 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-09 19:58:48,826 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-09 19:58:48,826 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-09 19:58:48,827 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-09 19:58:48,827 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-09 19:58:48,827 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-09 19:58:48,827 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-09 19:58:48,827 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-09 19:58:48,827 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-09 19:58:48,827 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-09 19:58:48,828 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-09 19:58:48,828 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-09 19:58:48,828 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-09 19:58:48,828 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-09 19:58:48,828 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-09 19:58:48,828 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-09 19:58:48,828 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-09 19:58:48,828 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-09 19:58:48,829 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-09 19:58:48,829 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-09 19:58:48,829 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-09 19:58:48,829 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-09 19:58:48,829 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-09 19:58:48,829 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-09 19:58:48,829 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-09 19:58:48,830 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-09 19:58:48,830 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-09 19:58:48,830 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-09 19:58:48,830 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-09 19:58:48,830 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-09 19:58:48,830 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-09 19:58:48,830 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-09 19:58:48,830 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-09 19:58:48,831 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-09 19:58:48,831 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-09 19:58:48,831 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-09 19:58:48,831 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-09 19:58:48,831 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-09 19:58:48,831 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-09 19:58:48,831 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-09 19:58:48,831 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-09 19:58:48,832 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-09 19:58:48,832 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-09 19:58:48,832 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-09 19:58:48,832 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-09 19:58:48,832 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-09 19:58:48,832 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-09 19:58:48,832 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-09 19:58:48,832 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-09 19:58:48,833 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-09 19:58:48,833 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-09 19:58:48,833 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-09 19:58:48,833 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-09 19:58:48,833 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-09 19:58:48,833 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-09 19:58:48,833 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-09 19:58:48,834 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-09 19:58:48,834 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-09 19:58:48,834 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-09 19:58:48,834 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-09 19:58:48,834 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-09 19:58:48,834 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-09 19:58:48,834 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-09 19:58:48,834 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-09 19:58:48,835 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-09 19:58:48,835 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-09 19:58:48,835 INFO L128 BoogieDeclarations]: Found specification of procedure cstrncmp [2018-04-09 19:58:48,835 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-09 19:58:48,835 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-09 19:58:48,835 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-09 19:58:48,835 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-09 19:58:48,835 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-09 19:58:48,836 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-09 19:58:48,836 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-09 19:58:48,836 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-09 19:58:49,318 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-09 19:58:49,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.04 07:58:49 BoogieIcfgContainer [2018-04-09 19:58:49,319 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-09 19:58:49,320 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-09 19:58:49,320 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-09 19:58:49,322 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-09 19:58:49,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.04 07:58:48" (1/3) ... [2018-04-09 19:58:49,323 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58e45195 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.04 07:58:49, skipping insertion in model container [2018-04-09 19:58:49,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 07:58:48" (2/3) ... [2018-04-09 19:58:49,323 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58e45195 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.04 07:58:49, skipping insertion in model container [2018-04-09 19:58:49,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.04 07:58:49" (3/3) ... [2018-04-09 19:58:49,325 INFO L107 eAbstractionObserver]: Analyzing ICFG cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:58:49,331 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-09 19:58:49,338 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2018-04-09 19:58:49,375 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-09 19:58:49,375 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-09 19:58:49,375 INFO L370 AbstractCegarLoop]: Hoare is true [2018-04-09 19:58:49,375 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-09 19:58:49,375 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-09 19:58:49,375 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-09 19:58:49,376 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-09 19:58:49,376 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-09 19:58:49,376 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-09 19:58:49,376 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-09 19:58:49,393 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states. [2018-04-09 19:58:49,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-09 19:58:49,398 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 19:58:49,399 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 19:58:49,399 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-04-09 19:58:49,404 INFO L82 PathProgramCache]: Analyzing trace with hash 860528869, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 19:58:49,415 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 19:58:49,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 19:58:49,456 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 19:58:49,495 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 19:58:49,497 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 19:58:49,509 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:58:49,510 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-09 19:58:49,539 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 [2018-04-09 19:58:49,539 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 19:58:49,545 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 19:58:49,545 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2018-04-09 19:58:49,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:58:49,578 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 19:58:49,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:58:49,619 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 19:58:49,620 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-09 19:58:49,621 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-09 19:58:49,631 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-09 19:58:49,632 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-09 19:58:49,634 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 4 states. [2018-04-09 19:58:49,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 19:58:49,737 INFO L93 Difference]: Finished difference Result 134 states and 142 transitions. [2018-04-09 19:58:49,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-09 19:58:49,738 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2018-04-09 19:58:49,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 19:58:49,747 INFO L225 Difference]: With dead ends: 134 [2018-04-09 19:58:49,747 INFO L226 Difference]: Without dead ends: 100 [2018-04-09 19:58:49,750 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 [2018-04-09 19:58:49,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-04-09 19:58:49,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-04-09 19:58:49,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-04-09 19:58:49,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 107 transitions. [2018-04-09 19:58:49,790 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 107 transitions. Word has length 19 [2018-04-09 19:58:49,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 19:58:49,791 INFO L459 AbstractCegarLoop]: Abstraction has 100 states and 107 transitions. [2018-04-09 19:58:49,791 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-09 19:58:49,791 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 107 transitions. [2018-04-09 19:58:49,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-09 19:58:49,791 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 19:58:49,792 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 19:58:49,792 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-04-09 19:58:49,792 INFO L82 PathProgramCache]: Analyzing trace with hash 860528870, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 19:58:49,798 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 19:58:49,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 19:58:49,814 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 19:58:49,828 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 19:58:49,829 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 19:58:49,846 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 19:58:49,846 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 19:58:49,860 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:58:49,860 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:19, output treesize:17 [2018-04-09 19:58:49,905 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 19:58:49,906 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 19:58:49,907 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-09 19:58:49,908 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 19:58:49,923 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 [2018-04-09 19:58:49,924 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 19:58:49,936 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:58:49,936 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:28, output treesize:12 [2018-04-09 19:58:49,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:58:49,951 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 19:58:50,110 INFO L267 ElimStorePlain]: Start of recursive call 1: End of recursive call: and 1 xjuncts. [2018-04-09 19:58:50,111 INFO L202 ElimStorePlain]: Needed 1 recursive calls to eliminate 5 variables, input treesize:25, output treesize:3 [2018-04-09 19:58:50,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:58:50,151 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 19:58:50,151 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2018-04-09 19:58:50,153 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-09 19:58:50,153 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-09 19:58:50,154 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-04-09 19:58:50,154 INFO L87 Difference]: Start difference. First operand 100 states and 107 transitions. Second operand 9 states. [2018-04-09 19:58:50,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 19:58:50,396 INFO L93 Difference]: Finished difference Result 100 states and 107 transitions. [2018-04-09 19:58:50,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-09 19:58:50,396 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2018-04-09 19:58:50,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 19:58:50,398 INFO L225 Difference]: With dead ends: 100 [2018-04-09 19:58:50,398 INFO L226 Difference]: Without dead ends: 99 [2018-04-09 19:58:50,399 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-04-09 19:58:50,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-04-09 19:58:50,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2018-04-09 19:58:50,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-04-09 19:58:50,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 106 transitions. [2018-04-09 19:58:50,409 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 106 transitions. Word has length 19 [2018-04-09 19:58:50,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 19:58:50,410 INFO L459 AbstractCegarLoop]: Abstraction has 99 states and 106 transitions. [2018-04-09 19:58:50,410 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-09 19:58:50,410 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 106 transitions. [2018-04-09 19:58:50,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-09 19:58:50,411 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 19:58:50,411 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] [2018-04-09 19:58:50,411 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-04-09 19:58:50,411 INFO L82 PathProgramCache]: Analyzing trace with hash 906591167, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 19:58:50,417 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 19:58:50,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 19:58:50,433 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 19:58:50,438 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 19:58:50,439 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 19:58:50,441 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:58:50,441 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-09 19:58:50,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:58:50,448 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 19:58:50,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:58:50,474 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 19:58:50,474 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-09 19:58:50,474 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-09 19:58:50,475 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-09 19:58:50,475 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-09 19:58:50,475 INFO L87 Difference]: Start difference. First operand 99 states and 106 transitions. Second operand 4 states. [2018-04-09 19:58:50,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 19:58:50,540 INFO L93 Difference]: Finished difference Result 99 states and 106 transitions. [2018-04-09 19:58:50,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-09 19:58:50,541 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-04-09 19:58:50,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 19:58:50,542 INFO L225 Difference]: With dead ends: 99 [2018-04-09 19:58:50,542 INFO L226 Difference]: Without dead ends: 98 [2018-04-09 19:58:50,543 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 [2018-04-09 19:58:50,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2018-04-09 19:58:50,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2018-04-09 19:58:50,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-04-09 19:58:50,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 105 transitions. [2018-04-09 19:58:50,549 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 105 transitions. Word has length 20 [2018-04-09 19:58:50,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 19:58:50,549 INFO L459 AbstractCegarLoop]: Abstraction has 98 states and 105 transitions. [2018-04-09 19:58:50,549 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-09 19:58:50,549 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 105 transitions. [2018-04-09 19:58:50,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-09 19:58:50,549 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 19:58:50,549 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] [2018-04-09 19:58:50,550 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-04-09 19:58:50,550 INFO L82 PathProgramCache]: Analyzing trace with hash 906591168, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 19:58:50,557 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 19:58:50,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 19:58:50,572 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 19:58:50,582 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 19:58:50,582 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 19:58:50,586 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:58:50,586 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-04-09 19:58:50,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:58:50,605 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 19:58:50,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:58:50,658 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 19:58:50,659 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2018-04-09 19:58:50,659 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-09 19:58:50,659 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-09 19:58:50,659 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-04-09 19:58:50,659 INFO L87 Difference]: Start difference. First operand 98 states and 105 transitions. Second operand 7 states. [2018-04-09 19:58:50,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 19:58:50,731 INFO L93 Difference]: Finished difference Result 98 states and 105 transitions. [2018-04-09 19:58:50,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-09 19:58:50,731 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-04-09 19:58:50,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 19:58:50,732 INFO L225 Difference]: With dead ends: 98 [2018-04-09 19:58:50,732 INFO L226 Difference]: Without dead ends: 97 [2018-04-09 19:58:50,732 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-04-09 19:58:50,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-04-09 19:58:50,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2018-04-09 19:58:50,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-04-09 19:58:50,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 104 transitions. [2018-04-09 19:58:50,737 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 104 transitions. Word has length 20 [2018-04-09 19:58:50,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 19:58:50,738 INFO L459 AbstractCegarLoop]: Abstraction has 97 states and 104 transitions. [2018-04-09 19:58:50,738 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-09 19:58:50,738 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 104 transitions. [2018-04-09 19:58:50,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-04-09 19:58:50,739 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 19:58:50,739 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 19:58:50,739 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-04-09 19:58:50,739 INFO L82 PathProgramCache]: Analyzing trace with hash 1160474171, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 19:58:50,751 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 19:58:50,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 19:58:50,769 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 19:58:50,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:58:50,782 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 19:58:50,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:58:50,831 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 19:58:50,831 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2018-04-09 19:58:50,831 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-09 19:58:50,832 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-09 19:58:50,832 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-09 19:58:50,832 INFO L87 Difference]: Start difference. First operand 97 states and 104 transitions. Second operand 5 states. [2018-04-09 19:58:50,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 19:58:50,922 INFO L93 Difference]: Finished difference Result 132 states and 143 transitions. [2018-04-09 19:58:50,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-09 19:58:50,922 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2018-04-09 19:58:50,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 19:58:50,926 INFO L225 Difference]: With dead ends: 132 [2018-04-09 19:58:50,927 INFO L226 Difference]: Without dead ends: 129 [2018-04-09 19:58:50,927 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-09 19:58:50,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-04-09 19:58:50,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 116. [2018-04-09 19:58:50,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-04-09 19:58:50,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 129 transitions. [2018-04-09 19:58:50,937 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 129 transitions. Word has length 34 [2018-04-09 19:58:50,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 19:58:50,937 INFO L459 AbstractCegarLoop]: Abstraction has 116 states and 129 transitions. [2018-04-09 19:58:50,938 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-09 19:58:50,938 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 129 transitions. [2018-04-09 19:58:50,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-04-09 19:58:50,939 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 19:58:50,939 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 19:58:50,939 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-04-09 19:58:50,939 INFO L82 PathProgramCache]: Analyzing trace with hash 1160474172, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 19:58:50,947 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 19:58:50,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 19:58:50,964 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 19:58:51,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:58:51,016 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 19:58:51,027 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 [2018-04-09 19:58:51,028 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 19:58:51,037 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-09 19:58:51,037 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 19:58:51,040 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 19:58:51,041 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2018-04-09 19:58:51,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:58:51,072 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 19:58:51,072 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2018-04-09 19:58:51,072 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-09 19:58:51,073 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-09 19:58:51,073 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-04-09 19:58:51,073 INFO L87 Difference]: Start difference. First operand 116 states and 129 transitions. Second operand 8 states. [2018-04-09 19:58:51,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 19:58:51,166 INFO L93 Difference]: Finished difference Result 129 states and 140 transitions. [2018-04-09 19:58:51,166 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-09 19:58:51,166 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2018-04-09 19:58:51,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 19:58:51,167 INFO L225 Difference]: With dead ends: 129 [2018-04-09 19:58:51,168 INFO L226 Difference]: Without dead ends: 126 [2018-04-09 19:58:51,168 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 59 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2018-04-09 19:58:51,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-04-09 19:58:51,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 116. [2018-04-09 19:58:51,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-04-09 19:58:51,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 126 transitions. [2018-04-09 19:58:51,178 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 126 transitions. Word has length 34 [2018-04-09 19:58:51,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 19:58:51,178 INFO L459 AbstractCegarLoop]: Abstraction has 116 states and 126 transitions. [2018-04-09 19:58:51,178 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-09 19:58:51,178 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 126 transitions. [2018-04-09 19:58:51,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-04-09 19:58:51,180 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 19:58:51,180 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 19:58:51,180 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-04-09 19:58:51,180 INFO L82 PathProgramCache]: Analyzing trace with hash 1614960980, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 19:58:51,188 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 19:58:51,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 19:58:51,206 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 19:58:51,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:58:51,217 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 19:58:51,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:58:51,242 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 19:58:51,242 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2018-04-09 19:58:51,243 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-09 19:58:51,243 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-09 19:58:51,243 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-09 19:58:51,243 INFO L87 Difference]: Start difference. First operand 116 states and 126 transitions. Second operand 5 states. [2018-04-09 19:58:51,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 19:58:51,295 INFO L93 Difference]: Finished difference Result 138 states and 149 transitions. [2018-04-09 19:58:51,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-09 19:58:51,295 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2018-04-09 19:58:51,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 19:58:51,296 INFO L225 Difference]: With dead ends: 138 [2018-04-09 19:58:51,296 INFO L226 Difference]: Without dead ends: 136 [2018-04-09 19:58:51,296 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-09 19:58:51,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-04-09 19:58:51,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 120. [2018-04-09 19:58:51,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-04-09 19:58:51,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 132 transitions. [2018-04-09 19:58:51,304 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 132 transitions. Word has length 35 [2018-04-09 19:58:51,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 19:58:51,305 INFO L459 AbstractCegarLoop]: Abstraction has 120 states and 132 transitions. [2018-04-09 19:58:51,305 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-09 19:58:51,305 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 132 transitions. [2018-04-09 19:58:51,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-04-09 19:58:51,306 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 19:58:51,306 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 19:58:51,306 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-04-09 19:58:51,312 INFO L82 PathProgramCache]: Analyzing trace with hash 1614960981, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 19:58:51,317 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 19:58:51,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 19:58:51,336 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 19:58:51,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:58:51,387 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 19:58:51,396 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 [2018-04-09 19:58:51,397 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 19:58:51,403 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-09 19:58:51,404 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 19:58:51,406 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 19:58:51,407 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2018-04-09 19:58:51,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:58:51,439 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 19:58:51,439 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2018-04-09 19:58:51,439 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-09 19:58:51,440 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-09 19:58:51,440 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-04-09 19:58:51,440 INFO L87 Difference]: Start difference. First operand 120 states and 132 transitions. Second operand 8 states. [2018-04-09 19:58:51,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 19:58:51,528 INFO L93 Difference]: Finished difference Result 136 states and 147 transitions. [2018-04-09 19:58:51,528 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-09 19:58:51,529 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2018-04-09 19:58:51,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 19:58:51,529 INFO L225 Difference]: With dead ends: 136 [2018-04-09 19:58:51,530 INFO L226 Difference]: Without dead ends: 134 [2018-04-09 19:58:51,530 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 61 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2018-04-09 19:58:51,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-04-09 19:58:51,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 120. [2018-04-09 19:58:51,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-04-09 19:58:51,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 130 transitions. [2018-04-09 19:58:51,536 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 130 transitions. Word has length 35 [2018-04-09 19:58:51,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 19:58:51,537 INFO L459 AbstractCegarLoop]: Abstraction has 120 states and 130 transitions. [2018-04-09 19:58:51,537 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-09 19:58:51,537 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 130 transitions. [2018-04-09 19:58:51,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-04-09 19:58:51,538 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 19:58:51,538 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 19:58:51,538 INFO L408 AbstractCegarLoop]: === Iteration 9 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-04-09 19:58:51,538 INFO L82 PathProgramCache]: Analyzing trace with hash 476124190, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 19:58:51,544 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 19:58:51,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 19:58:51,560 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 19:58:51,583 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 19:58:51,584 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 [2018-04-09 19:58:51,586 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 19:58:51,587 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-04-09 19:58:51,588 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 19:58:51,593 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:58:51,599 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. [2018-04-09 19:58:51,600 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-04-09 19:58:51,647 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc15.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc15.base| 1))) (and (= 0 (select .cse0 |c_main_#t~malloc16.base|)) (= (select |c_old(#valid)| |main_#t~malloc15.base|) 0) (= |c_#valid| (store (store .cse0 |c_main_#t~malloc16.base| 1) |main_#t~malloc15.base| 0))))) is different from true [2018-04-09 19:58:51,652 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc16.base| Int) (|main_#t~malloc15.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc15.base| 1))) (and (= 0 (select .cse0 |main_#t~malloc16.base|)) (= (select |c_old(#valid)| |main_#t~malloc15.base|) 0) (= |c_#valid| (store (store (store .cse0 |main_#t~malloc16.base| 1) |main_#t~malloc15.base| 0) |main_#t~malloc16.base| 0))))) is different from true [2018-04-09 19:58:51,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:58:51,660 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 19:58:51,695 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc16.base_12| Int)) (or (= (store (store (store |c_#valid| |v_main_#t~malloc16.base_12| 1) |c_main_#t~malloc15.base| 0) |v_main_#t~malloc16.base_12| 0) |c_old(#valid)|) (not (= (select |c_#valid| |v_main_#t~malloc16.base_12|) 0)))) is different from false [2018-04-09 19:58:51,706 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc15.base_11| Int) (|v_main_#t~malloc16.base_12| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc15.base_11| 1))) (or (not (= (select |c_#valid| |v_main_#t~malloc15.base_11|) 0)) (not (= 0 (select .cse0 |v_main_#t~malloc16.base_12|))) (= (store (store (store .cse0 |v_main_#t~malloc16.base_12| 1) |v_main_#t~malloc15.base_11| 0) |v_main_#t~malloc16.base_12| 0) |c_old(#valid)|)))) is different from false [2018-04-09 19:58:51,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:58:51,748 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 19:58:51,749 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2018-04-09 19:58:51,749 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-09 19:58:51,749 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-09 19:58:51,749 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=45, Unknown=4, NotChecked=60, Total=132 [2018-04-09 19:58:51,750 INFO L87 Difference]: Start difference. First operand 120 states and 130 transitions. Second operand 12 states. [2018-04-09 19:58:51,763 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc15.base_11| Int) (|v_main_#t~malloc16.base_12| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc15.base_11| 1))) (or (not (= (select |c_#valid| |v_main_#t~malloc15.base_11|) 0)) (not (= 0 (select .cse0 |v_main_#t~malloc16.base_12|))) (= (store (store (store .cse0 |v_main_#t~malloc16.base_12| 1) |v_main_#t~malloc15.base_11| 0) |v_main_#t~malloc16.base_12| 0) |c_old(#valid)|))))) is different from false [2018-04-09 19:58:52,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 19:58:52,317 INFO L93 Difference]: Finished difference Result 225 states and 244 transitions. [2018-04-09 19:58:52,318 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-09 19:58:52,318 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 40 [2018-04-09 19:58:52,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 19:58:52,319 INFO L225 Difference]: With dead ends: 225 [2018-04-09 19:58:52,319 INFO L226 Difference]: Without dead ends: 194 [2018-04-09 19:58:52,320 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 69 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=125, Unknown=6, NotChecked=130, Total=306 [2018-04-09 19:58:52,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2018-04-09 19:58:52,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 184. [2018-04-09 19:58:52,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2018-04-09 19:58:52,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 209 transitions. [2018-04-09 19:58:52,328 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 209 transitions. Word has length 40 [2018-04-09 19:58:52,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 19:58:52,329 INFO L459 AbstractCegarLoop]: Abstraction has 184 states and 209 transitions. [2018-04-09 19:58:52,329 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-09 19:58:52,329 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 209 transitions. [2018-04-09 19:58:52,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-04-09 19:58:52,330 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 19:58:52,330 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 19:58:52,330 INFO L408 AbstractCegarLoop]: === Iteration 10 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-04-09 19:58:52,330 INFO L82 PathProgramCache]: Analyzing trace with hash 866784326, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 19:58:52,336 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 19:58:52,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 19:58:52,354 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 19:58:52,384 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 19:58:52,385 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 [2018-04-09 19:58:52,388 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 19:58:52,389 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-04-09 19:58:52,389 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 19:58:52,394 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:58:52,409 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. [2018-04-09 19:58:52,409 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-04-09 19:58:52,438 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc15.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc15.base| 1))) (and (= 0 (select .cse0 |c_main_#t~malloc16.base|)) (= (select |c_old(#valid)| |main_#t~malloc15.base|) 0) (= |c_#valid| (store (store .cse0 |c_main_#t~malloc16.base| 1) |main_#t~malloc15.base| 0))))) is different from true [2018-04-09 19:58:52,445 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc16.base| Int) (|main_#t~malloc15.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc15.base| 1))) (and (= 0 (select .cse0 |main_#t~malloc16.base|)) (= (select |c_old(#valid)| |main_#t~malloc15.base|) 0) (= |c_#valid| (store (store (store .cse0 |main_#t~malloc16.base| 1) |main_#t~malloc15.base| 0) |main_#t~malloc16.base| 0))))) is different from true [2018-04-09 19:58:52,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:58:52,452 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 19:58:52,484 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc16.base_14| Int)) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc16.base_14|))) (= |c_old(#valid)| (store (store (store |c_#valid| |v_main_#t~malloc16.base_14| 1) |c_main_#t~malloc15.base| 0) |v_main_#t~malloc16.base_14| 0)))) is different from false [2018-04-09 19:58:52,497 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc16.base_14| Int) (|v_main_#t~malloc15.base_13| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc15.base_13| 1))) (or (not (= (select .cse0 |v_main_#t~malloc16.base_14|) 0)) (not (= (select |c_#valid| |v_main_#t~malloc15.base_13|) 0)) (= (store (store (store .cse0 |v_main_#t~malloc16.base_14| 1) |v_main_#t~malloc15.base_13| 0) |v_main_#t~malloc16.base_14| 0) |c_old(#valid)|)))) is different from false [2018-04-09 19:58:52,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:58:52,568 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 19:58:52,569 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2018-04-09 19:58:52,569 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-09 19:58:52,569 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-09 19:58:52,569 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=45, Unknown=4, NotChecked=60, Total=132 [2018-04-09 19:58:52,569 INFO L87 Difference]: Start difference. First operand 184 states and 209 transitions. Second operand 12 states. [2018-04-09 19:58:52,581 WARN L1011 $PredicateComparison]: unable to prove that (and (forall ((|v_main_#t~malloc16.base_14| Int) (|v_main_#t~malloc15.base_13| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc15.base_13| 1))) (or (not (= (select .cse0 |v_main_#t~malloc16.base_14|) 0)) (not (= (select |c_#valid| |v_main_#t~malloc15.base_13|) 0)) (= (store (store (store .cse0 |v_main_#t~malloc16.base_14| 1) |v_main_#t~malloc15.base_13| 0) |v_main_#t~malloc16.base_14| 0) |c_old(#valid)|)))) (= |c_#valid| |c_old(#valid)|)) is different from false [2018-04-09 19:58:53,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 19:58:53,011 INFO L93 Difference]: Finished difference Result 289 states and 322 transitions. [2018-04-09 19:58:53,012 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-09 19:58:53,012 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 41 [2018-04-09 19:58:53,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 19:58:53,013 INFO L225 Difference]: With dead ends: 289 [2018-04-09 19:58:53,013 INFO L226 Difference]: Without dead ends: 258 [2018-04-09 19:58:53,014 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 71 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=125, Unknown=6, NotChecked=130, Total=306 [2018-04-09 19:58:53,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2018-04-09 19:58:53,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 185. [2018-04-09 19:58:53,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2018-04-09 19:58:53,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 210 transitions. [2018-04-09 19:58:53,023 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 210 transitions. Word has length 41 [2018-04-09 19:58:53,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 19:58:53,023 INFO L459 AbstractCegarLoop]: Abstraction has 185 states and 210 transitions. [2018-04-09 19:58:53,023 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-09 19:58:53,023 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 210 transitions. [2018-04-09 19:58:53,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-04-09 19:58:53,024 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 19:58:53,025 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 19:58:53,025 INFO L408 AbstractCegarLoop]: === Iteration 11 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-04-09 19:58:53,025 INFO L82 PathProgramCache]: Analyzing trace with hash -2055840757, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 19:58:53,031 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 19:58:53,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 19:58:53,051 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 19:58:53,091 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 19:58:53,092 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 [2018-04-09 19:58:53,108 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 19:58:53,108 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-04-09 19:58:53,109 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 19:58:53,138 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:58:53,156 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. [2018-04-09 19:58:53,156 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-04-09 19:58:53,180 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc15.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc15.base| 1))) (and (= 0 (select .cse0 |c_main_#t~malloc16.base|)) (= (select |c_old(#valid)| |main_#t~malloc15.base|) 0) (= |c_#valid| (store (store .cse0 |c_main_#t~malloc16.base| 1) |main_#t~malloc15.base| 0))))) is different from true [2018-04-09 19:58:53,184 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc16.base| Int) (|main_#t~malloc15.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc15.base| 1))) (and (= 0 (select .cse0 |main_#t~malloc16.base|)) (= (select |c_old(#valid)| |main_#t~malloc15.base|) 0) (= |c_#valid| (store (store (store .cse0 |main_#t~malloc16.base| 1) |main_#t~malloc15.base| 0) |main_#t~malloc16.base| 0))))) is different from true [2018-04-09 19:58:53,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:58:53,191 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 19:58:53,209 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc16.base_16| Int)) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc16.base_16|))) (= (store (store (store |c_#valid| |v_main_#t~malloc16.base_16| 1) |c_main_#t~malloc15.base| 0) |v_main_#t~malloc16.base_16| 0) |c_old(#valid)|))) is different from false [2018-04-09 19:58:53,212 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc16.base_16| Int) (|v_main_#t~malloc15.base_15| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc15.base_15| 1))) (or (= |c_old(#valid)| (store (store (store .cse0 |v_main_#t~malloc16.base_16| 1) |v_main_#t~malloc15.base_15| 0) |v_main_#t~malloc16.base_16| 0)) (not (= 0 (select |c_#valid| |v_main_#t~malloc15.base_15|))) (not (= (select .cse0 |v_main_#t~malloc16.base_16|) 0))))) is different from false [2018-04-09 19:58:53,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:58:53,248 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 19:58:53,248 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2018-04-09 19:58:53,249 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-09 19:58:53,249 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-09 19:58:53,249 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=45, Unknown=4, NotChecked=60, Total=132 [2018-04-09 19:58:53,249 INFO L87 Difference]: Start difference. First operand 185 states and 210 transitions. Second operand 12 states. [2018-04-09 19:58:53,259 WARN L1011 $PredicateComparison]: unable to prove that (and (forall ((|v_main_#t~malloc16.base_16| Int) (|v_main_#t~malloc15.base_15| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc15.base_15| 1))) (or (= |c_old(#valid)| (store (store (store .cse0 |v_main_#t~malloc16.base_16| 1) |v_main_#t~malloc15.base_15| 0) |v_main_#t~malloc16.base_16| 0)) (not (= 0 (select |c_#valid| |v_main_#t~malloc15.base_15|))) (not (= (select .cse0 |v_main_#t~malloc16.base_16|) 0))))) (= |c_#valid| |c_old(#valid)|)) is different from false [2018-04-09 19:58:53,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 19:58:53,717 INFO L93 Difference]: Finished difference Result 289 states and 322 transitions. [2018-04-09 19:58:53,717 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-09 19:58:53,718 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 41 [2018-04-09 19:58:53,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 19:58:53,719 INFO L225 Difference]: With dead ends: 289 [2018-04-09 19:58:53,719 INFO L226 Difference]: Without dead ends: 258 [2018-04-09 19:58:53,719 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 71 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=125, Unknown=6, NotChecked=130, Total=306 [2018-04-09 19:58:53,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2018-04-09 19:58:53,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 185. [2018-04-09 19:58:53,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2018-04-09 19:58:53,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 210 transitions. [2018-04-09 19:58:53,729 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 210 transitions. Word has length 41 [2018-04-09 19:58:53,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 19:58:53,729 INFO L459 AbstractCegarLoop]: Abstraction has 185 states and 210 transitions. [2018-04-09 19:58:53,729 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-09 19:58:53,730 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 210 transitions. [2018-04-09 19:58:53,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-04-09 19:58:53,731 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 19:58:53,731 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 19:58:53,731 INFO L408 AbstractCegarLoop]: === Iteration 12 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-04-09 19:58:53,731 INFO L82 PathProgramCache]: Analyzing trace with hash -314717703, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 19:58:53,736 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 19:58:53,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 19:58:53,758 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 19:58:53,788 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 19:58:53,789 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 [2018-04-09 19:58:53,792 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 [2018-04-09 19:58:53,792 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 19:58:53,795 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:58:53,799 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. [2018-04-09 19:58:53,799 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-04-09 19:58:53,817 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc15.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc15.base| 1))) (and (= 0 (select .cse0 |c_main_#t~malloc16.base|)) (= (select |c_old(#valid)| |main_#t~malloc15.base|) 0) (= |c_#valid| (store (store .cse0 |c_main_#t~malloc16.base| 1) |main_#t~malloc15.base| 0))))) is different from true [2018-04-09 19:58:53,830 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc16.base| Int) (|main_#t~malloc15.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc15.base| 1))) (and (= 0 (select .cse0 |main_#t~malloc16.base|)) (= (select |c_old(#valid)| |main_#t~malloc15.base|) 0) (= |c_#valid| (store (store (store .cse0 |main_#t~malloc16.base| 1) |main_#t~malloc15.base| 0) |main_#t~malloc16.base| 0))))) is different from true [2018-04-09 19:58:53,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:58:53,834 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 19:58:53,851 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc16.base_18| Int)) (or (= |c_old(#valid)| (store (store (store |c_#valid| |v_main_#t~malloc16.base_18| 1) |c_main_#t~malloc15.base| 0) |v_main_#t~malloc16.base_18| 0)) (not (= 0 (select |c_#valid| |v_main_#t~malloc16.base_18|))))) is different from false [2018-04-09 19:58:53,855 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc16.base_18| Int) (|v_main_#t~malloc15.base_17| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc15.base_17| 1))) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc15.base_17|))) (= (store (store (store .cse0 |v_main_#t~malloc16.base_18| 1) |v_main_#t~malloc15.base_17| 0) |v_main_#t~malloc16.base_18| 0) |c_old(#valid)|) (not (= (select .cse0 |v_main_#t~malloc16.base_18|) 0))))) is different from false [2018-04-09 19:58:53,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:58:53,890 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 19:58:53,890 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2018-04-09 19:58:53,890 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-09 19:58:53,890 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-09 19:58:53,890 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=45, Unknown=4, NotChecked=60, Total=132 [2018-04-09 19:58:53,890 INFO L87 Difference]: Start difference. First operand 185 states and 210 transitions. Second operand 12 states. [2018-04-09 19:58:53,900 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc16.base_18| Int) (|v_main_#t~malloc15.base_17| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc15.base_17| 1))) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc15.base_17|))) (= (store (store (store .cse0 |v_main_#t~malloc16.base_18| 1) |v_main_#t~malloc15.base_17| 0) |v_main_#t~malloc16.base_18| 0) |c_old(#valid)|) (not (= (select .cse0 |v_main_#t~malloc16.base_18|) 0)))))) is different from false [2018-04-09 19:58:54,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 19:58:54,204 INFO L93 Difference]: Finished difference Result 195 states and 210 transitions. [2018-04-09 19:58:54,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-09 19:58:54,204 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 42 [2018-04-09 19:58:54,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 19:58:54,205 INFO L225 Difference]: With dead ends: 195 [2018-04-09 19:58:54,205 INFO L226 Difference]: Without dead ends: 164 [2018-04-09 19:58:54,206 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 73 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=125, Unknown=6, NotChecked=130, Total=306 [2018-04-09 19:58:54,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2018-04-09 19:58:54,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 89. [2018-04-09 19:58:54,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-04-09 19:58:54,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 95 transitions. [2018-04-09 19:58:54,213 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 95 transitions. Word has length 42 [2018-04-09 19:58:54,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 19:58:54,213 INFO L459 AbstractCegarLoop]: Abstraction has 89 states and 95 transitions. [2018-04-09 19:58:54,213 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-09 19:58:54,213 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 95 transitions. [2018-04-09 19:58:54,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-04-09 19:58:54,214 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 19:58:54,214 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 19:58:54,214 INFO L408 AbstractCegarLoop]: === Iteration 13 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-04-09 19:58:54,214 INFO L82 PathProgramCache]: Analyzing trace with hash 298402611, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 19:58:54,220 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 19:58:54,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 19:58:54,241 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 19:58:54,253 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:58:54,254 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 19:58:54,274 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:58:54,300 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 19:58:54,300 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-09 19:58:54,300 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-09 19:58:54,300 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-09 19:58:54,301 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-09 19:58:54,301 INFO L87 Difference]: Start difference. First operand 89 states and 95 transitions. Second operand 3 states. [2018-04-09 19:58:54,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 19:58:54,310 INFO L93 Difference]: Finished difference Result 133 states and 141 transitions. [2018-04-09 19:58:54,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-09 19:58:54,310 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2018-04-09 19:58:54,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 19:58:54,311 INFO L225 Difference]: With dead ends: 133 [2018-04-09 19:58:54,311 INFO L226 Difference]: Without dead ends: 80 [2018-04-09 19:58:54,312 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-09 19:58:54,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-04-09 19:58:54,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2018-04-09 19:58:54,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-04-09 19:58:54,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 83 transitions. [2018-04-09 19:58:54,317 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 83 transitions. Word has length 55 [2018-04-09 19:58:54,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 19:58:54,318 INFO L459 AbstractCegarLoop]: Abstraction has 80 states and 83 transitions. [2018-04-09 19:58:54,318 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-09 19:58:54,318 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 83 transitions. [2018-04-09 19:58:54,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-04-09 19:58:54,318 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 19:58:54,318 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 19:58:54,318 INFO L408 AbstractCegarLoop]: === Iteration 14 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-04-09 19:58:54,319 INFO L82 PathProgramCache]: Analyzing trace with hash 413922679, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 19:58:54,326 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 19:58:54,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 19:58:54,361 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 19:58:54,381 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:58:54,381 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 19:58:54,387 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:58:54,410 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 19:58:54,410 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-09 19:58:54,411 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-09 19:58:54,411 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-09 19:58:54,411 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-09 19:58:54,411 INFO L87 Difference]: Start difference. First operand 80 states and 83 transitions. Second operand 3 states. [2018-04-09 19:58:54,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 19:58:54,418 INFO L93 Difference]: Finished difference Result 124 states and 128 transitions. [2018-04-09 19:58:54,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-09 19:58:54,418 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2018-04-09 19:58:54,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 19:58:54,419 INFO L225 Difference]: With dead ends: 124 [2018-04-09 19:58:54,419 INFO L226 Difference]: Without dead ends: 80 [2018-04-09 19:58:54,420 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-09 19:58:54,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-04-09 19:58:54,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2018-04-09 19:58:54,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-04-09 19:58:54,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 82 transitions. [2018-04-09 19:58:54,424 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 82 transitions. Word has length 58 [2018-04-09 19:58:54,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 19:58:54,424 INFO L459 AbstractCegarLoop]: Abstraction has 80 states and 82 transitions. [2018-04-09 19:58:54,425 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-09 19:58:54,425 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 82 transitions. [2018-04-09 19:58:54,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-04-09 19:58:54,425 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 19:58:54,425 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 19:58:54,425 INFO L408 AbstractCegarLoop]: === Iteration 15 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-04-09 19:58:54,426 INFO L82 PathProgramCache]: Analyzing trace with hash -1758557326, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 19:58:54,435 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 19:58:54,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 19:58:54,452 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 19:58:54,469 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-04-09 19:58:54,469 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 19:58:54,476 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-04-09 19:58:54,497 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 19:58:54,497 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2018-04-09 19:58:54,497 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-09 19:58:54,497 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-09 19:58:54,498 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-09 19:58:54,498 INFO L87 Difference]: Start difference. First operand 80 states and 82 transitions. Second operand 6 states. [2018-04-09 19:58:54,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 19:58:54,539 INFO L93 Difference]: Finished difference Result 80 states and 82 transitions. [2018-04-09 19:58:54,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-09 19:58:54,540 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2018-04-09 19:58:54,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 19:58:54,540 INFO L225 Difference]: With dead ends: 80 [2018-04-09 19:58:54,540 INFO L226 Difference]: Without dead ends: 78 [2018-04-09 19:58:54,541 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-04-09 19:58:54,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-04-09 19:58:54,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2018-04-09 19:58:54,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-04-09 19:58:54,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 80 transitions. [2018-04-09 19:58:54,547 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 80 transitions. Word has length 60 [2018-04-09 19:58:54,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 19:58:54,547 INFO L459 AbstractCegarLoop]: Abstraction has 78 states and 80 transitions. [2018-04-09 19:58:54,547 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-09 19:58:54,547 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 80 transitions. [2018-04-09 19:58:54,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-04-09 19:58:54,547 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 19:58:54,547 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 19:58:54,548 INFO L408 AbstractCegarLoop]: === Iteration 16 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-04-09 19:58:54,548 INFO L82 PathProgramCache]: Analyzing trace with hash -1758557325, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 19:58:54,553 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 19:58:54,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 19:58:54,571 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 19:58:54,576 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 19:58:54,576 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 19:58:54,578 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:58:54,578 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-09 19:58:54,588 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 19:58:54,589 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 19:58:54,589 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-09 19:58:54,589 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 19:58:54,592 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:58:54,592 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:8 [2018-04-09 19:58:54,605 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 [2018-04-09 19:58:54,607 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 [2018-04-09 19:58:54,607 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 19:58:54,609 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:58:54,615 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 19:58:54,616 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:25 [2018-04-09 19:58:54,631 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 [2018-04-09 19:58:54,633 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 [2018-04-09 19:58:54,633 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 19:58:54,638 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:58:54,644 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. [2018-04-09 19:58:54,645 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:39, output treesize:35 [2018-04-09 19:58:54,759 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 [2018-04-09 19:58:54,778 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 [2018-04-09 19:58:54,778 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-09 19:58:54,831 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-09 19:58:54,832 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-09 19:58:54,850 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 19:58:54,862 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-09 19:58:54,862 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:48, output treesize:33 [2018-04-09 19:58:54,997 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:58:54,997 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 19:58:55,269 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 [2018-04-09 19:58:55,270 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 19:58:55,277 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 [2018-04-09 19:58:55,285 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 [2018-04-09 19:58:55,286 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-09 19:58:55,287 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:58:55,293 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. [2018-04-09 19:58:55,293 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:35, output treesize:7 [2018-04-09 19:58:55,336 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:58:55,356 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 19:58:55,356 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12] total 26 [2018-04-09 19:58:55,356 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-04-09 19:58:55,357 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-04-09 19:58:55,357 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=615, Unknown=0, NotChecked=0, Total=702 [2018-04-09 19:58:55,357 INFO L87 Difference]: Start difference. First operand 78 states and 80 transitions. Second operand 27 states. [2018-04-09 19:58:55,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 19:58:55,975 INFO L93 Difference]: Finished difference Result 134 states and 136 transitions. [2018-04-09 19:58:55,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-04-09 19:58:55,975 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 60 [2018-04-09 19:58:55,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 19:58:55,976 INFO L225 Difference]: With dead ends: 134 [2018-04-09 19:58:55,976 INFO L226 Difference]: Without dead ends: 132 [2018-04-09 19:58:55,977 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 92 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=252, Invalid=1388, Unknown=0, NotChecked=0, Total=1640 [2018-04-09 19:58:55,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-04-09 19:58:55,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 109. [2018-04-09 19:58:55,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-04-09 19:58:55,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 112 transitions. [2018-04-09 19:58:55,983 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 112 transitions. Word has length 60 [2018-04-09 19:58:55,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 19:58:55,983 INFO L459 AbstractCegarLoop]: Abstraction has 109 states and 112 transitions. [2018-04-09 19:58:55,983 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-04-09 19:58:55,983 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 112 transitions. [2018-04-09 19:58:55,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-04-09 19:58:55,983 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 19:58:55,984 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 19:58:55,984 INFO L408 AbstractCegarLoop]: === Iteration 17 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-04-09 19:58:55,984 INFO L82 PathProgramCache]: Analyzing trace with hash 1319297789, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 19:58:55,990 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 19:58:56,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 19:58:56,007 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 19:58:56,027 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-04-09 19:58:56,027 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 19:58:56,051 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-04-09 19:58:56,079 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 19:58:56,079 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2018-04-09 19:58:56,079 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-09 19:58:56,080 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-09 19:58:56,080 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-09 19:58:56,080 INFO L87 Difference]: Start difference. First operand 109 states and 112 transitions. Second operand 6 states. [2018-04-09 19:58:56,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 19:58:56,123 INFO L93 Difference]: Finished difference Result 109 states and 112 transitions. [2018-04-09 19:58:56,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-09 19:58:56,123 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2018-04-09 19:58:56,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 19:58:56,124 INFO L225 Difference]: With dead ends: 109 [2018-04-09 19:58:56,124 INFO L226 Difference]: Without dead ends: 107 [2018-04-09 19:58:56,125 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-04-09 19:58:56,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2018-04-09 19:58:56,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2018-04-09 19:58:56,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2018-04-09 19:58:56,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 110 transitions. [2018-04-09 19:58:56,133 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 110 transitions. Word has length 61 [2018-04-09 19:58:56,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 19:58:56,134 INFO L459 AbstractCegarLoop]: Abstraction has 107 states and 110 transitions. [2018-04-09 19:58:56,134 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-09 19:58:56,134 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 110 transitions. [2018-04-09 19:58:56,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-04-09 19:58:56,135 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 19:58:56,135 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 19:58:56,135 INFO L408 AbstractCegarLoop]: === Iteration 18 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-04-09 19:58:56,135 INFO L82 PathProgramCache]: Analyzing trace with hash 1319297790, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 19:58:56,142 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 19:58:56,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 19:58:56,165 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 19:58:56,182 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 [2018-04-09 19:58:56,184 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 [2018-04-09 19:58:56,213 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 19:58:56,215 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:58:56,223 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. [2018-04-09 19:58:56,223 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:28, output treesize:24 [2018-04-09 19:58:56,388 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 29 [2018-04-09 19:58:56,407 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 23 [2018-04-09 19:58:56,407 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-09 19:58:56,436 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 18 [2018-04-09 19:58:56,437 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-09 19:58:56,459 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 16 [2018-04-09 19:58:56,459 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-09 19:58:56,475 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-09 19:58:56,493 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-09 19:58:56,493 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:42, output treesize:33 [2018-04-09 19:58:56,620 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:58:56,620 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 19:58:57,101 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 [2018-04-09 19:58:57,102 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 19:58:57,104 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 [2018-04-09 19:58:57,104 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 19:58:57,143 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 [2018-04-09 19:58:57,143 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-09 19:58:57,145 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 [2018-04-09 19:58:57,145 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 19:58:57,184 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 [2018-04-09 19:58:57,201 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 [2018-04-09 19:58:57,202 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-09 19:58:57,207 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 [2018-04-09 19:58:57,208 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-09 19:58:57,211 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:58:57,219 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 [2018-04-09 19:58:57,262 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 24 [2018-04-09 19:58:57,262 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-09 19:58:57,279 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 22 [2018-04-09 19:58:57,280 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-09 19:58:57,298 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 [2018-04-09 19:58:57,298 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-09 19:58:57,309 INFO L267 ElimStorePlain]: Start of recursive call 9: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:58:57,349 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 [2018-04-09 19:58:57,386 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 [2018-04-09 19:58:57,386 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-04-09 19:58:57,400 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 [2018-04-09 19:58:57,401 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-04-09 19:58:57,415 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 [2018-04-09 19:58:57,415 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-04-09 19:58:57,422 INFO L267 ElimStorePlain]: Start of recursive call 13: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:58:57,424 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 [2018-04-09 19:58:57,439 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 [2018-04-09 19:58:57,439 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-04-09 19:58:57,444 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 [2018-04-09 19:58:57,444 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-04-09 19:58:57,447 INFO L267 ElimStorePlain]: Start of recursive call 17: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:58:57,462 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. [2018-04-09 19:58:57,462 INFO L202 ElimStorePlain]: Needed 19 recursive calls to eliminate 10 variables, input treesize:125, output treesize:17 [2018-04-09 19:58:57,524 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:58:57,545 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 19:58:57,546 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2018-04-09 19:58:57,546 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-04-09 19:58:57,546 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-04-09 19:58:57,546 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=813, Unknown=0, NotChecked=0, Total=930 [2018-04-09 19:58:57,547 INFO L87 Difference]: Start difference. First operand 107 states and 110 transitions. Second operand 31 states. [2018-04-09 19:58:58,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 19:58:58,549 INFO L93 Difference]: Finished difference Result 135 states and 137 transitions. [2018-04-09 19:58:58,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-04-09 19:58:58,550 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 61 [2018-04-09 19:58:58,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 19:58:58,551 INFO L225 Difference]: With dead ends: 135 [2018-04-09 19:58:58,551 INFO L226 Difference]: Without dead ends: 124 [2018-04-09 19:58:58,551 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 91 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 587 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=421, Invalid=2335, Unknown=0, NotChecked=0, Total=2756 [2018-04-09 19:58:58,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-04-09 19:58:58,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 102. [2018-04-09 19:58:58,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-04-09 19:58:58,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 104 transitions. [2018-04-09 19:58:58,558 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 104 transitions. Word has length 61 [2018-04-09 19:58:58,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 19:58:58,558 INFO L459 AbstractCegarLoop]: Abstraction has 102 states and 104 transitions. [2018-04-09 19:58:58,558 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-04-09 19:58:58,558 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 104 transitions. [2018-04-09 19:58:58,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-04-09 19:58:58,558 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 19:58:58,559 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 19:58:58,559 INFO L408 AbstractCegarLoop]: === Iteration 19 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-04-09 19:58:58,559 INFO L82 PathProgramCache]: Analyzing trace with hash 448922090, now seen corresponding path program 2 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 19:58:58,564 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 19:58:58,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 19:58:58,587 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 19:58:58,590 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 19:58:58,590 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 19:58:58,594 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 19:58:58,594 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 19:58:58,597 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:58:58,597 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-04-09 19:58:58,608 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 19:58:58,608 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 19:58:58,609 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-09 19:58:58,609 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 19:58:58,616 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 [2018-04-09 19:58:58,616 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 19:58:58,620 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:58:58,620 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2018-04-09 19:58:58,635 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 [2018-04-09 19:58:58,637 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-09 19:58:58,637 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 19:58:58,638 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:58:58,641 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:58:58,641 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:25, output treesize:21 [2018-04-09 19:58:58,654 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 [2018-04-09 19:58:58,655 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 [2018-04-09 19:58:58,655 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 19:58:58,660 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:58:58,665 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. [2018-04-09 19:58:58,665 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:32, output treesize:28 [2018-04-09 19:58:58,917 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 [2018-04-09 19:58:58,947 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 [2018-04-09 19:58:58,948 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-09 19:58:58,965 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 [2018-04-09 19:58:58,965 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-09 19:58:58,968 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 19:58:58,975 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-09 19:58:58,975 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:45, output treesize:34 [2018-04-09 19:58:59,161 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:58:59,162 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 19:58:59,536 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2018-04-09 19:58:59,544 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2018-04-09 19:58:59,544 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 19:58:59,545 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:58:59,550 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-09 19:58:59,550 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:33, output treesize:35 [2018-04-09 19:58:59,959 WARN L148 SmtUtils]: Spent 331ms on a formula simplification that was a NOOP. DAG size: 34 [2018-04-09 19:59:00,324 WARN L148 SmtUtils]: Spent 319ms on a formula simplification that was a NOOP. DAG size: 34 [2018-04-09 19:59:00,355 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:59:00,376 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 19:59:00,376 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16] total 33 [2018-04-09 19:59:00,376 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-04-09 19:59:00,376 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-04-09 19:59:00,377 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=1011, Unknown=0, NotChecked=0, Total=1122 [2018-04-09 19:59:00,377 INFO L87 Difference]: Start difference. First operand 102 states and 104 transitions. Second operand 34 states. [2018-04-09 19:59:02,029 WARN L151 SmtUtils]: Spent 1399ms on a formula simplification. DAG size of input: 32 DAG size of output 28 [2018-04-09 19:59:04,330 WARN L151 SmtUtils]: Spent 1256ms on a formula simplification. DAG size of input: 42 DAG size of output 34 [2018-04-09 19:59:06,501 WARN L151 SmtUtils]: Spent 2001ms on a formula simplification. DAG size of input: 52 DAG size of output 43 [2018-04-09 19:59:06,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 19:59:06,664 INFO L93 Difference]: Finished difference Result 117 states and 119 transitions. [2018-04-09 19:59:06,664 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-04-09 19:59:06,664 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 86 [2018-04-09 19:59:06,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 19:59:06,665 INFO L225 Difference]: With dead ends: 117 [2018-04-09 19:59:06,665 INFO L226 Difference]: Without dead ends: 115 [2018-04-09 19:59:06,666 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 138 SyntacticMatches, 1 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 389 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=555, Invalid=2637, Unknown=0, NotChecked=0, Total=3192 [2018-04-09 19:59:06,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-04-09 19:59:06,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 100. [2018-04-09 19:59:06,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-04-09 19:59:06,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 102 transitions. [2018-04-09 19:59:06,672 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 102 transitions. Word has length 86 [2018-04-09 19:59:06,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 19:59:06,672 INFO L459 AbstractCegarLoop]: Abstraction has 100 states and 102 transitions. [2018-04-09 19:59:06,672 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-04-09 19:59:06,672 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 102 transitions. [2018-04-09 19:59:06,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-04-09 19:59:06,672 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 19:59:06,672 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 19:59:06,673 INFO L408 AbstractCegarLoop]: === Iteration 20 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-04-09 19:59:06,673 INFO L82 PathProgramCache]: Analyzing trace with hash 1031682919, now seen corresponding path program 2 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 19:59:06,678 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 19:59:06,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 19:59:06,701 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 19:59:06,703 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 19:59:06,703 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 19:59:06,705 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:59:06,705 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-09 19:59:06,714 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 [2018-04-09 19:59:06,716 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 [2018-04-09 19:59:06,716 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 19:59:06,717 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:59:06,718 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:59:06,718 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:15, output treesize:11 [2018-04-09 19:59:06,829 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 30 [2018-04-09 19:59:06,841 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 25 [2018-04-09 19:59:06,842 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-09 19:59:06,861 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 19 [2018-04-09 19:59:06,862 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-09 19:59:06,874 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 17 [2018-04-09 19:59:06,875 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-09 19:59:06,884 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-09 19:59:06,894 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-09 19:59:06,894 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:40, output treesize:34 [2018-04-09 19:59:07,004 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 16 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:59:07,004 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 19:59:07,591 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 [2018-04-09 19:59:07,618 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 [2018-04-09 19:59:07,619 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 19:59:07,629 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 14 [2018-04-09 19:59:07,630 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-09 19:59:07,640 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 [2018-04-09 19:59:07,640 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 19:59:07,643 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:59:07,651 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-09 19:59:07,651 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:65, output treesize:35 [2018-04-09 19:59:07,750 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:59:07,770 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 19:59:07,770 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 35 [2018-04-09 19:59:07,771 INFO L442 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-04-09 19:59:07,771 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-04-09 19:59:07,771 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=1113, Unknown=0, NotChecked=0, Total=1260 [2018-04-09 19:59:07,771 INFO L87 Difference]: Start difference. First operand 100 states and 102 transitions. Second operand 36 states. [2018-04-09 19:59:09,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 19:59:09,226 INFO L93 Difference]: Finished difference Result 118 states and 120 transitions. [2018-04-09 19:59:09,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-04-09 19:59:09,226 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 87 [2018-04-09 19:59:09,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 19:59:09,227 INFO L225 Difference]: With dead ends: 118 [2018-04-09 19:59:09,227 INFO L226 Difference]: Without dead ends: 0 [2018-04-09 19:59:09,228 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 762 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=898, Invalid=3932, Unknown=0, NotChecked=0, Total=4830 [2018-04-09 19:59:09,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-09 19:59:09,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-09 19:59:09,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-09 19:59:09,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-09 19:59:09,229 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 87 [2018-04-09 19:59:09,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 19:59:09,229 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-09 19:59:09,229 INFO L460 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-04-09 19:59:09,229 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-09 19:59:09,229 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-09 19:59:09,233 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-04-09 19:59:09,381 WARN L151 SmtUtils]: Spent 146ms on a formula simplification. DAG size of input: 179 DAG size of output 177 [2018-04-09 19:59:30,234 WARN L151 SmtUtils]: Spent 20822ms on a formula simplification. DAG size of input: 216 DAG size of output 96 [2018-04-09 19:59:30,760 WARN L151 SmtUtils]: Spent 443ms on a formula simplification. DAG size of input: 158 DAG size of output 1 [2018-04-09 19:59:31,648 WARN L151 SmtUtils]: Spent 886ms on a formula simplification. DAG size of input: 153 DAG size of output 69 [2018-04-09 19:59:31,651 INFO L416 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-04-09 19:59:31,651 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-04-09 19:59:31,651 INFO L412 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-04-09 19:59:31,651 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-04-09 19:59:31,651 INFO L419 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-04-09 19:59:31,652 INFO L419 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-04-09 19:59:31,652 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-04-09 19:59:31,652 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-04-09 19:59:31,652 INFO L416 ceAbstractionStarter]: For program point mainErr1RequiresViolation(line 566) no Hoare annotation was computed. [2018-04-09 19:59:31,652 INFO L416 ceAbstractionStarter]: For program point L565'''(line 565) no Hoare annotation was computed. [2018-04-09 19:59:31,652 INFO L416 ceAbstractionStarter]: For program point L561'(lines 561 563) no Hoare annotation was computed. [2018-04-09 19:59:31,652 INFO L416 ceAbstractionStarter]: For program point L564(line 564) no Hoare annotation was computed. [2018-04-09 19:59:31,652 INFO L416 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-04-09 19:59:31,652 INFO L412 ceAbstractionStarter]: At program point L568(line 568) the Hoare annotation is: (let ((.cse1 (select |#length| main_~nondetString1~0.base)) (.cse2 (select |#length| main_~nondetString2~0.base)) (.cse0 (store |old(#valid)| |main_#t~malloc15.base| 1))) (and (= main_~nondetString2~0.offset 0) (= 0 main_~nondetString1~0.offset) (= 0 (select .cse0 |main_#t~malloc16.base|)) (= (select |old(#valid)| |main_#t~malloc15.base|) 0) (not (= main_~nondetString2~0.base main_~nondetString1~0.base)) (= 0 |main_#t~malloc16.offset|) (= .cse1 main_~length1~0) (= (select |#length| |main_#t~malloc15.base|) main_~length1~0) (= |main_#t~malloc15.offset| 0) (exists ((main_~length2~0 Int)) (and (= 0 (select (select |#memory_int| main_~nondetString2~0.base) (+ main_~nondetString2~0.offset main_~length2~0 (- 1)))) (<= 1 main_~length2~0) (<= (+ main_~nondetString2~0.offset main_~length2~0) (select |#length| main_~nondetString2~0.base)))) (= (select |#length| |main_#t~malloc16.base|) main_~length2~0) (= 1 (select |#valid| main_~nondetString1~0.base)) (= 0 (select (select |#memory_int| main_~nondetString2~0.base) (+ .cse2 (- 1)))) (= 0 (select (select |#memory_int| main_~nondetString1~0.base) (+ .cse1 (- 1)))) (exists ((main_~length1~0 Int)) (and (<= (+ main_~nondetString1~0.offset main_~length1~0) (select |#length| main_~nondetString1~0.base)) (<= 1 main_~length1~0) (= (select (select |#memory_int| main_~nondetString1~0.base) (+ main_~nondetString1~0.offset main_~length1~0 (- 1))) 0))) (= .cse2 main_~length2~0) (= (store .cse0 |main_#t~malloc16.base| 1) |#valid|) (= 1 (select |#valid| main_~nondetString2~0.base)) (not (= |main_#t~malloc16.base| main_~nondetString1~0.base)))) [2018-04-09 19:59:31,652 INFO L416 ceAbstractionStarter]: For program point L567(line 567) no Hoare annotation was computed. [2018-04-09 19:59:31,652 INFO L416 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-04-09 19:59:31,652 INFO L416 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-04-09 19:59:31,653 INFO L416 ceAbstractionStarter]: For program point mainErr0RequiresViolation(line 566) no Hoare annotation was computed. [2018-04-09 19:59:31,653 INFO L416 ceAbstractionStarter]: For program point mainErr2RequiresViolation(line 567) no Hoare annotation was computed. [2018-04-09 19:59:31,653 INFO L416 ceAbstractionStarter]: For program point L558''(lines 555 569) no Hoare annotation was computed. [2018-04-09 19:59:31,653 INFO L416 ceAbstractionStarter]: For program point L566'(line 566) no Hoare annotation was computed. [2018-04-09 19:59:31,653 INFO L416 ceAbstractionStarter]: For program point L556'(line 556) no Hoare annotation was computed. [2018-04-09 19:59:31,653 INFO L416 ceAbstractionStarter]: For program point L568'(line 568) no Hoare annotation was computed. [2018-04-09 19:59:31,653 INFO L416 ceAbstractionStarter]: For program point L557''(line 557) no Hoare annotation was computed. [2018-04-09 19:59:31,653 INFO L416 ceAbstractionStarter]: For program point L568'''(line 568) no Hoare annotation was computed. [2018-04-09 19:59:31,653 INFO L416 ceAbstractionStarter]: For program point mainErr3RequiresViolation(line 567) no Hoare annotation was computed. [2018-04-09 19:59:31,653 INFO L416 ceAbstractionStarter]: For program point L564'(line 564) no Hoare annotation was computed. [2018-04-09 19:59:31,654 INFO L416 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-04-09 19:59:31,654 INFO L416 ceAbstractionStarter]: For program point mainFINAL(lines 555 569) no Hoare annotation was computed. [2018-04-09 19:59:31,654 INFO L416 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-04-09 19:59:31,654 INFO L416 ceAbstractionStarter]: For program point mainErr4EnsuresViolationMEMORY_LEAK(lines 555 569) no Hoare annotation was computed. [2018-04-09 19:59:31,654 INFO L416 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-04-09 19:59:31,654 INFO L416 ceAbstractionStarter]: For program point L558(lines 558 560) no Hoare annotation was computed. [2018-04-09 19:59:31,654 INFO L416 ceAbstractionStarter]: For program point mainEXIT(lines 555 569) no Hoare annotation was computed. [2018-04-09 19:59:31,654 INFO L412 ceAbstractionStarter]: At program point mainENTRY(lines 555 569) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-04-09 19:59:31,654 INFO L416 ceAbstractionStarter]: For program point L564''(line 564) no Hoare annotation was computed. [2018-04-09 19:59:31,654 INFO L416 ceAbstractionStarter]: For program point L565'(line 565) no Hoare annotation was computed. [2018-04-09 19:59:31,654 INFO L416 ceAbstractionStarter]: For program point L557'(line 557) no Hoare annotation was computed. [2018-04-09 19:59:31,654 INFO L416 ceAbstractionStarter]: For program point L568''''(line 568) no Hoare annotation was computed. [2018-04-09 19:59:31,654 INFO L416 ceAbstractionStarter]: For program point L565''(line 565) no Hoare annotation was computed. [2018-04-09 19:59:31,654 INFO L416 ceAbstractionStarter]: For program point L568''(line 568) no Hoare annotation was computed. [2018-04-09 19:59:31,654 INFO L416 ceAbstractionStarter]: For program point L546''''''(line 546) no Hoare annotation was computed. [2018-04-09 19:59:31,655 INFO L416 ceAbstractionStarter]: For program point cstrncmpErr1RequiresViolation(line 545) no Hoare annotation was computed. [2018-04-09 19:59:31,655 INFO L416 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-04-09 19:59:31,655 INFO L416 ceAbstractionStarter]: For program point L545''''''''''''''''(line 545) no Hoare annotation was computed. [2018-04-09 19:59:31,655 INFO L416 ceAbstractionStarter]: For program point L540(lines 540 554) no Hoare annotation was computed. [2018-04-09 19:59:31,655 INFO L416 ceAbstractionStarter]: For program point L553'(line 553) no Hoare annotation was computed. [2018-04-09 19:59:31,655 INFO L416 ceAbstractionStarter]: For program point L546(line 546) no Hoare annotation was computed. [2018-04-09 19:59:31,655 INFO L416 ceAbstractionStarter]: For program point L545(lines 545 550) no Hoare annotation was computed. [2018-04-09 19:59:31,655 INFO L416 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-04-09 19:59:31,655 INFO L416 ceAbstractionStarter]: For program point L543(lines 543 544) no Hoare annotation was computed. [2018-04-09 19:59:31,655 INFO L416 ceAbstractionStarter]: For program point L546'''''(lines 546 547) no Hoare annotation was computed. [2018-04-09 19:59:31,655 INFO L416 ceAbstractionStarter]: For program point L549(line 549) no Hoare annotation was computed. [2018-04-09 19:59:31,655 INFO L416 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-04-09 19:59:31,655 INFO L416 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-04-09 19:59:31,655 INFO L416 ceAbstractionStarter]: For program point L552''(line 552) no Hoare annotation was computed. [2018-04-09 19:59:31,655 INFO L416 ceAbstractionStarter]: For program point cstrncmpErr0RequiresViolation(line 545) no Hoare annotation was computed. [2018-04-09 19:59:31,655 INFO L416 ceAbstractionStarter]: For program point L545'''''''''''''''''(line 545) no Hoare annotation was computed. [2018-04-09 19:59:31,655 INFO L416 ceAbstractionStarter]: For program point L546'(line 546) no Hoare annotation was computed. [2018-04-09 19:59:31,656 INFO L416 ceAbstractionStarter]: For program point L545'''''(line 545) no Hoare annotation was computed. [2018-04-09 19:59:31,656 INFO L416 ceAbstractionStarter]: For program point L546''''(line 546) no Hoare annotation was computed. [2018-04-09 19:59:31,656 INFO L416 ceAbstractionStarter]: For program point L545''''''''''(line 545) no Hoare annotation was computed. [2018-04-09 19:59:31,656 INFO L412 ceAbstractionStarter]: At program point L545''''''''''''''''''(lines 545 550) the Hoare annotation is: (let ((.cse2 (select |#length| |cstrncmp_#in~s1.base|))) (or (let ((.cse0 (select |#length| cstrncmp_~s1.base)) (.cse1 (select |#length| cstrncmp_~s2.base))) (and (= 0 (select (select |#memory_int| cstrncmp_~s1.base) (+ .cse0 (- 1)))) (and (<= 0 cstrncmp_~s2.offset) (<= 0 cstrncmp_~s1.offset) (<= (+ cstrncmp_~s2.offset 1) .cse1) (= 1 (select |#valid| cstrncmp_~s1.base)) (<= (+ cstrncmp_~s1.offset 1) .cse0)) (= (select (select |#memory_int| cstrncmp_~s2.base) (+ .cse1 (- 1))) 0) (= 1 (select |#valid| cstrncmp_~s2.base)))) (or (< |cstrncmp_#in~s2.offset| 0) (not (= 1 (select |#valid| |cstrncmp_#in~s2.base|))) (< .cse2 (+ |cstrncmp_#in~s1.offset| 1)) (< |cstrncmp_#in~s1.offset| 0) (not (exists ((|v_main_#t~malloc16.base_BEFORE_CALL_7| Int) (|v_main_#t~malloc15.base_BEFORE_CALL_7| Int)) (and (= (select |#valid| |v_main_#t~malloc16.base_BEFORE_CALL_7|) 1) (not (= |v_main_#t~malloc16.base_BEFORE_CALL_7| |v_main_#t~malloc15.base_BEFORE_CALL_7|)) (= (select |#valid| |v_main_#t~malloc15.base_BEFORE_CALL_7|) 1))))) (not (= 0 (select (select |#memory_int| |cstrncmp_#in~s2.base|) (+ (select |#length| |cstrncmp_#in~s2.base|) (- 1))))) (not (= (select |#valid| |cstrncmp_#in~s1.base|) 1)) (not (= 0 (select (select |#memory_int| |cstrncmp_#in~s1.base|) (+ .cse2 (- 1))))) (not (exists ((main_~length2~0 Int)) (and (<= 1 main_~length2~0) (= (select (select |#memory_int| |cstrncmp_#in~s2.base|) (+ |cstrncmp_#in~s2.offset| main_~length2~0 (- 1))) 0) (<= (+ |cstrncmp_#in~s2.offset| main_~length2~0) (select |#length| |cstrncmp_#in~s2.base|))))) (not (exists ((main_~nondetString2~0.base Int) (main_~nondetString2~0.offset Int)) (and (not (= main_~nondetString2~0.base |cstrncmp_#in~s1.base|)) (= 0 (select (select |#memory_int| main_~nondetString2~0.base) (+ main_~nondetString2~0.offset (select |#length| main_~nondetString2~0.base) (- 1))))))))) [2018-04-09 19:59:31,656 INFO L416 ceAbstractionStarter]: For program point L542'(line 542) no Hoare annotation was computed. [2018-04-09 19:59:31,656 INFO L416 ceAbstractionStarter]: For program point cstrncmpErr3RequiresViolation(line 545) no Hoare annotation was computed. [2018-04-09 19:59:31,656 INFO L416 ceAbstractionStarter]: For program point L546'''''''(line 546) no Hoare annotation was computed. [2018-04-09 19:59:31,656 INFO L416 ceAbstractionStarter]: For program point cstrncmpErr9RequiresViolation(line 552) no Hoare annotation was computed. [2018-04-09 19:59:31,656 INFO L416 ceAbstractionStarter]: For program point L545''''''''''''''(line 545) no Hoare annotation was computed. [2018-04-09 19:59:31,656 INFO L416 ceAbstractionStarter]: For program point L545''(line 545) no Hoare annotation was computed. [2018-04-09 19:59:31,656 INFO L416 ceAbstractionStarter]: For program point L546''''''''(line 546) no Hoare annotation was computed. [2018-04-09 19:59:31,657 INFO L416 ceAbstractionStarter]: For program point L549''(line 549) no Hoare annotation was computed. [2018-04-09 19:59:31,657 INFO L416 ceAbstractionStarter]: For program point cstrncmpErr6RequiresViolation(line 551) no Hoare annotation was computed. [2018-04-09 19:59:31,657 INFO L416 ceAbstractionStarter]: For program point L551'(line 551) no Hoare annotation was computed. [2018-04-09 19:59:31,657 INFO L416 ceAbstractionStarter]: For program point L545'''''''''''''''''''(lines 545 550) no Hoare annotation was computed. [2018-04-09 19:59:31,657 INFO L416 ceAbstractionStarter]: For program point L545'''''''''''''''(line 545) no Hoare annotation was computed. [2018-04-09 19:59:31,657 INFO L416 ceAbstractionStarter]: For program point cstrncmpErr5RequiresViolation(line 546) no Hoare annotation was computed. [2018-04-09 19:59:31,657 INFO L416 ceAbstractionStarter]: For program point cstrncmpErr7RequiresViolation(line 551) no Hoare annotation was computed. [2018-04-09 19:59:31,657 INFO L416 ceAbstractionStarter]: For program point L545'''''''''''(line 545) no Hoare annotation was computed. [2018-04-09 19:59:31,657 INFO L416 ceAbstractionStarter]: For program point L553''''(line 553) no Hoare annotation was computed. [2018-04-09 19:59:31,657 INFO L416 ceAbstractionStarter]: For program point L545'''''''''(line 545) no Hoare annotation was computed. [2018-04-09 19:59:31,657 INFO L416 ceAbstractionStarter]: For program point L545''''(line 545) no Hoare annotation was computed. [2018-04-09 19:59:31,657 INFO L416 ceAbstractionStarter]: For program point L553'''''(line 553) no Hoare annotation was computed. [2018-04-09 19:59:31,657 INFO L416 ceAbstractionStarter]: For program point cstrncmpErr4RequiresViolation(line 546) no Hoare annotation was computed. [2018-04-09 19:59:31,658 INFO L416 ceAbstractionStarter]: For program point L548'(line 548) no Hoare annotation was computed. [2018-04-09 19:59:31,658 INFO L416 ceAbstractionStarter]: For program point cstrncmpErr8RequiresViolation(line 552) no Hoare annotation was computed. [2018-04-09 19:59:31,658 INFO L416 ceAbstractionStarter]: For program point cstrncmpEXIT(lines 540 554) no Hoare annotation was computed. [2018-04-09 19:59:31,658 INFO L416 ceAbstractionStarter]: For program point L545'''(line 545) no Hoare annotation was computed. [2018-04-09 19:59:31,658 INFO L416 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-04-09 19:59:31,658 INFO L416 ceAbstractionStarter]: For program point L540'(lines 540 554) no Hoare annotation was computed. [2018-04-09 19:59:31,658 INFO L416 ceAbstractionStarter]: For program point L552(line 552) no Hoare annotation was computed. [2018-04-09 19:59:31,658 INFO L416 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-04-09 19:59:31,658 INFO L416 ceAbstractionStarter]: For program point L552'(line 552) no Hoare annotation was computed. [2018-04-09 19:59:31,658 INFO L419 ceAbstractionStarter]: At program point cstrncmpENTRY(lines 540 554) the Hoare annotation is: true [2018-04-09 19:59:31,658 INFO L416 ceAbstractionStarter]: For program point L553'''(line 553) no Hoare annotation was computed. [2018-04-09 19:59:31,658 INFO L416 ceAbstractionStarter]: For program point L545''''''(line 545) no Hoare annotation was computed. [2018-04-09 19:59:31,659 INFO L416 ceAbstractionStarter]: For program point L546'''''''''(line 546) no Hoare annotation was computed. [2018-04-09 19:59:31,659 INFO L416 ceAbstractionStarter]: For program point cstrncmpErr2RequiresViolation(line 545) no Hoare annotation was computed. [2018-04-09 19:59:31,659 INFO L416 ceAbstractionStarter]: For program point L545''''''''''''(line 545) no Hoare annotation was computed. [2018-04-09 19:59:31,659 INFO L416 ceAbstractionStarter]: For program point L545'(line 545) no Hoare annotation was computed. [2018-04-09 19:59:31,659 INFO L416 ceAbstractionStarter]: For program point L545''''''''(lines 545 550) no Hoare annotation was computed. [2018-04-09 19:59:31,659 INFO L416 ceAbstractionStarter]: For program point L546'''(line 546) no Hoare annotation was computed. [2018-04-09 19:59:31,659 INFO L416 ceAbstractionStarter]: For program point cstrncmpFINAL(lines 540 554) no Hoare annotation was computed. [2018-04-09 19:59:31,659 INFO L416 ceAbstractionStarter]: For program point L548''(line 548) no Hoare annotation was computed. [2018-04-09 19:59:31,659 INFO L416 ceAbstractionStarter]: For program point L549'(line 549) no Hoare annotation was computed. [2018-04-09 19:59:31,659 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_32ENTRY(lines 56 60) no Hoare annotation was computed. [2018-04-09 19:59:31,659 INFO L416 ceAbstractionStarter]: For program point L59(line 59) no Hoare annotation was computed. [2018-04-09 19:59:31,660 INFO L416 ceAbstractionStarter]: For program point L59'(line 59) no Hoare annotation was computed. [2018-04-09 19:59:31,660 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_32EXIT(lines 56 60) no Hoare annotation was computed. [2018-04-09 19:59:31,660 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_32FINAL(lines 56 60) no Hoare annotation was computed. [2018-04-09 19:59:31,660 INFO L416 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-04-09 19:59:31,660 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_64FINAL(lines 61 65) no Hoare annotation was computed. [2018-04-09 19:59:31,660 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_64EXIT(lines 61 65) no Hoare annotation was computed. [2018-04-09 19:59:31,660 INFO L416 ceAbstractionStarter]: For program point L64'(line 64) no Hoare annotation was computed. [2018-04-09 19:59:31,660 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_64ENTRY(lines 61 65) no Hoare annotation was computed. [2018-04-09 19:59:31,667 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc16.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-09 19:59:31,668 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc16.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-09 19:59:31,668 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc15.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-09 19:59:31,668 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc15.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-09 19:59:31,669 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-09 19:59:31,669 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-09 19:59:31,669 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-09 19:59:31,669 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-09 19:59:31,669 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-09 19:59:31,670 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-04-09 19:59:31,670 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-09 19:59:31,671 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:59:31,671 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:59:31,671 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:59:31,672 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:59:31,672 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:59:31,672 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:59:31,672 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:59:31,672 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:59:31,672 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:59:31,672 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:59:31,673 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:59:31,673 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:59:31,673 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:59:31,673 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:59:31,673 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:59:31,678 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc16.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-09 19:59:31,679 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc16.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-09 19:59:31,679 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc15.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-09 19:59:31,679 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc15.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-09 19:59:31,679 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-09 19:59:31,680 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-09 19:59:31,680 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-09 19:59:31,680 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-09 19:59:31,680 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-09 19:59:31,680 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-04-09 19:59:31,681 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-09 19:59:31,681 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:59:31,681 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:59:31,681 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:59:31,681 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:59:31,682 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:59:31,682 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:59:31,682 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:59:31,682 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:59:31,682 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:59:31,682 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:59:31,683 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:59:31,683 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:59:31,683 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:59:31,683 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:59:31,683 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:59:31,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.04 07:59:31 BoogieIcfgContainer [2018-04-09 19:59:31,685 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-09 19:59:31,686 INFO L168 Benchmark]: Toolchain (without parser) took 43358.39 ms. Allocated memory was 302.5 MB in the beginning and 647.5 MB in the end (delta: 345.0 MB). Free memory was 240.1 MB in the beginning and 494.3 MB in the end (delta: -254.2 MB). Peak memory consumption was 280.4 MB. Max. memory is 5.3 GB. [2018-04-09 19:59:31,687 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 302.5 MB. Free memory is still 264.6 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-09 19:59:31,687 INFO L168 Benchmark]: CACSL2BoogieTranslator took 307.42 ms. Allocated memory is still 302.5 MB. Free memory was 240.1 MB in the beginning and 216.0 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 5.3 GB. [2018-04-09 19:59:31,687 INFO L168 Benchmark]: Boogie Preprocessor took 59.38 ms. Allocated memory is still 302.5 MB. Free memory was 216.0 MB in the beginning and 213.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. [2018-04-09 19:59:31,688 INFO L168 Benchmark]: RCFGBuilder took 619.32 ms. Allocated memory was 302.5 MB in the beginning and 461.4 MB in the end (delta: 158.9 MB). Free memory was 213.0 MB in the beginning and 392.3 MB in the end (delta: -179.3 MB). Peak memory consumption was 21.5 MB. Max. memory is 5.3 GB. [2018-04-09 19:59:31,688 INFO L168 Benchmark]: TraceAbstraction took 42365.43 ms. Allocated memory was 461.4 MB in the beginning and 647.5 MB in the end (delta: 186.1 MB). Free memory was 392.3 MB in the beginning and 494.3 MB in the end (delta: -102.0 MB). Peak memory consumption was 273.8 MB. Max. memory is 5.3 GB. [2018-04-09 19:59:31,689 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 302.5 MB. Free memory is still 264.6 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 307.42 ms. Allocated memory is still 302.5 MB. Free memory was 240.1 MB in the beginning and 216.0 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 59.38 ms. Allocated memory is still 302.5 MB. Free memory was 216.0 MB in the beginning and 213.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 619.32 ms. Allocated memory was 302.5 MB in the beginning and 461.4 MB in the end (delta: 158.9 MB). Free memory was 213.0 MB in the beginning and 392.3 MB in the end (delta: -179.3 MB). Peak memory consumption was 21.5 MB. Max. memory is 5.3 GB. * TraceAbstraction took 42365.43 ms. Allocated memory was 461.4 MB in the beginning and 647.5 MB in the end (delta: 186.1 MB). Free memory was 392.3 MB in the beginning and 494.3 MB in the end (delta: -102.0 MB). Peak memory consumption was 273.8 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc16.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc16.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc15.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc15.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc16.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc16.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc15.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc15.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 566]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 555]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 566]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 545]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 551]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 545]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 551]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 545]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 545]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 552]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 552]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 15 specifications checked. All of them hold - InvariantResult [Line: 545]: Loop Invariant [2018-04-09 19:59:31,695 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc16.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-09 19:59:31,695 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc16.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-09 19:59:31,695 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc15.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-09 19:59:31,695 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc15.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-09 19:59:31,696 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-09 19:59:31,696 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-09 19:59:31,696 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-09 19:59:31,696 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-09 19:59:31,696 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-09 19:59:31,697 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-04-09 19:59:31,697 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-09 19:59:31,697 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:59:31,697 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:59:31,697 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:59:31,698 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:59:31,698 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:59:31,698 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:59:31,698 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:59:31,698 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:59:31,699 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:59:31,699 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:59:31,699 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:59:31,699 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:59:31,699 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:59:31,699 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:59:31,700 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:59:31,702 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc16.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-09 19:59:31,702 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc16.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-09 19:59:31,702 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc15.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-09 19:59:31,703 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc15.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-09 19:59:31,703 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-09 19:59:31,703 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-09 19:59:31,703 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-09 19:59:31,704 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-09 19:59:31,704 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-09 19:59:31,704 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-04-09 19:59:31,704 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-09 19:59:31,704 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:59:31,704 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:59:31,705 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:59:31,705 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:59:31,705 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:59:31,705 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:59:31,705 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:59:31,706 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:59:31,706 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:59:31,706 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:59:31,706 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:59:31,706 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:59:31,707 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:59:31,707 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:59:31,707 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: ((((((((0 == unknown-#memory_int-unknown[s1][unknown-#length-unknown[s1] + -1] && (((0 <= s2 && 0 <= s1) && s2 + 1 <= unknown-#length-unknown[s2]) && 1 == \valid[s1]) && s1 + 1 <= unknown-#length-unknown[s1]) && unknown-#memory_int-unknown[s2][unknown-#length-unknown[s2] + -1] == 0) && 1 == \valid[s2]) || (((s2 < 0 || !(1 == \valid[s2])) || unknown-#length-unknown[s1] < s1 + 1) || s1 < 0) || !(\exists v_main_#t~malloc16.base_BEFORE_CALL_7 : int, v_main_#t~malloc15.base_BEFORE_CALL_7 : int :: (\valid[v_main_#t~malloc16.base_BEFORE_CALL_7] == 1 && !(v_main_#t~malloc16.base_BEFORE_CALL_7 == v_main_#t~malloc15.base_BEFORE_CALL_7)) && \valid[v_main_#t~malloc15.base_BEFORE_CALL_7] == 1)) || !(0 == unknown-#memory_int-unknown[s2][unknown-#length-unknown[s2] + -1])) || !(\valid[s1] == 1)) || !(0 == unknown-#memory_int-unknown[s1][unknown-#length-unknown[s1] + -1])) || !(\exists main_~length2~0 : int :: (1 <= main_~length2~0 && unknown-#memory_int-unknown[s2][s2 + main_~length2~0 + -1] == 0) && s2 + main_~length2~0 <= unknown-#length-unknown[s2])) || !(\exists main_~nondetString2~0.base : int, main_~nondetString2~0.offset : int :: !(main_~nondetString2~0.base == s1) && 0 == unknown-#memory_int-unknown[main_~nondetString2~0.base][main_~nondetString2~0.offset + unknown-#length-unknown[main_~nondetString2~0.base] + -1]) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 114 locations, 15 error locations. SAFE Result, 42.2s OverallTime, 20 OverallIterations, 3 TraceHistogramMax, 12.1s AutomataDifference, 0.0s DeadEndRemovalTime, 22.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 1780 SDtfs, 2802 SDslu, 7404 SDs, 0 SdLazy, 4949 SolverSat, 153 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1939 GetRequests, 1582 SyntacticMatches, 18 SemanticMatches, 339 ConstructedPredicates, 20 IntricatePredicates, 0 DeprecatedPredicates, 2128 ImplicationChecksByTransitivity, 12.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=185occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 20 MinimizatonAttempts, 344 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 10 NumberOfFragments, 315 HoareAnnotationTreeSize, 7 FomulaSimplifications, 210 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2397 FormulaSimplificationTreeSizeReductionInter, 22.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 6.4s InterpolantComputationTime, 908 NumberOfCodeBlocks, 908 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1776 ConstructedInterpolants, 278 QuantifiedInterpolants, 1283529 SizeOfPredicates, 151 NumberOfNonLiveVariables, 2551 ConjunctsInSsa, 297 ConjunctsInUnsatCore, 40 InterpolantComputations, 32 PerfectInterpolantSequences, 80/230 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrncmp-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-09_19-59-31-713.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrncmp-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-09_19-59-31-713.csv Received shutdown request...